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$68+ Cheap flights from Washington, D.C. (WAS) to Las Vegas (LAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LAS
Mar 18 — Mar 251
Tue 3/18
Tue 3/25
1 adult, Economy
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The best prices from Washington, D.C. to Las Vegas Harry Reid Intl are usually found in September or August, booked 28 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from Washington, D.C. to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$124
(CheapOair)

One-way from

$68
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$423

Good round-trip deal

$205 or less

Good one-way deal

$107 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Las Vegas Harry Reid Intl flights.
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From Washington, D.C. (WAS) to Las Vegas Harry Reid Intl
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One-way flight from Washington, D.C. (WAS) to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Las Vegas Harry Reid Intl.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Las Vegas Harry Reid Intl.
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Find flight deals from Washington, D.C. to Las Vegas

Cheapest flights from Washington, D.C. to Las Vegas
Explore the most affordable flight options available from Washington, D.C. to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2025.

This CheapOair deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/19:20 pmBWI - LAS
1 stop29h 20mSpirit Airlines
Thu 4/35:00 amLAS - BWI
1 stop16h 12mSpirit Airlines
Deal found 3/11$124
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/77:14 amBWI - LAS
Nonstop5h 08mMultiple Airlines
Wed 5/1411:20 pmLAS - BWI
1 stop7h 38mMultiple Airlines
Deal found 3/12$151
This CheapOair deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/94:45 pmBWI - LAS
1 stop9h 06mFrontier
Wed 4/1610:12 amLAS - BWI
1 stop6h 47mFrontier
Deal found 3/12$160
This CheapOair deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/148:01 amIAD - LAS
Nonstop5h 15mFrontier
Sat 5/1711:00 pmLAS - IAD
Nonstop4h 31mFrontier
Deal found 3/12$174
This Frontier deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/191:03 pmDCA - LAS
1 stop13h 51mFrontier
Tue 3/2512:59 amLAS - DCA
1 stop8h 04mFrontier
Deal found 3/11$174
This Expedia deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/286:30 amIAD - LAS
1 stop10h 41mMultiple Airlines
Fri 5/211:00 pmLAS - IAD
Nonstop4h 31mMultiple Airlines
Deal found 3/11$189
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/93:50 pmIAD - LAS
Nonstop5h 17mUnited Airlines
Wed 4/2311:55 pmLAS - IAD
Nonstop4h 29mUnited Airlines
Deal found 3/12$221
This SmartFares deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/35:00 pmIAD - LAS
1 stop8h 24mAlaska Airlines
Sat 5/106:00 amLAS - IAD
1 stop7h 00mAlaska Airlines
Deal found 3/11$231
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/64:40 pmDCA - LAS
Nonstop5h 10mSouthwest
Tue 5/1310:50 pmLAS - DCA
1 stop6h 40mSouthwest
Deal found 3/12$231
This SmartFares deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/39:59 amDCA - LAS
1 stop10h 08mAlaska Airlines
Sat 5/1010:30 amLAS - DCA
1 stop8h 29mAlaska Airlines
Deal found 3/11$233
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/67:50 amIAD - LAS
2 stops12h 15mSouthwest
Tue 5/138:30 amLAS - IAD
1 stop6h 25mSouthwest
Deal found 3/12$246
This Expedia deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:59 amDCA - LAS
1 stop10h 08mMultiple Airlines
Sun 5/412:59 amLAS - DCA
1 stop8h 08mMultiple Airlines
Deal found 3/11$248

Find flights from Washington, D.C. to Las Vegas within your budget

Customize your flight search to find flights from Washington, D.C. to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 13, 2025.

Fly from

Washington, D.C.

Fly to

Las Vegas

Route

Depart

Return

Price

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Tue 4/1

9:20 pm-11:40 pm

1 stop29h 20m

Las Vegas Harry Reid Intl

Thu 4/3

5:00 am-12:12 am

1 stop16h 12m

$124

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Wed 5/7

7:14 am-9:22 am

Nonstop5h 08m

Las Vegas Harry Reid Intl

Wed 5/14

11:20 pm-9:58 am

1 stop7h 38m

$151

BaltimoreLas Vegas

BWI - LAS

BWILAS

Baltimore/Washington

Wed 4/9

4:45 pm-10:51 pm

1 stop9h 06m

Las Vegas Harry Reid Intl

Wed 4/16

10:12 am-7:59 pm

1 stop6h 47m

$160

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 5/14

8:01 am-10:16 am

Nonstop5h 15m

Las Vegas Harry Reid Intl

Sat 5/17

11:00 pm-6:31 am

Nonstop4h 31m

$174

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Wed 4/16

7:00 am-2:21 pm

1 stop10h 21m

Las Vegas Harry Reid Intl

Mon 4/21

9:53 pm-12:09 pm

1 stop11h 16m

$175

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Mon 4/28

6:30 am-2:11 pm

1 stop10h 41m

Las Vegas Harry Reid Intl

Fri 5/2

11:00 pm-6:31 am

Nonstop4h 31m

$189

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 4/9

3:50 pm-6:07 pm

Nonstop5h 17m

Las Vegas Harry Reid Intl

Wed 4/23

11:55 pm-7:24 am

Nonstop4h 29m

$221

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 5/3

5:00 pm-10:24 pm

1 stop8h 24m

Las Vegas Harry Reid Intl

Sat 5/10

6:00 am-4:00 pm

1 stop7h 00m

$231

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Tue 5/6

4:40 pm-6:50 pm

Nonstop5h 10m

Las Vegas Harry Reid Intl

Tue 5/13

10:50 pm-8:30 am

1 stop6h 40m

$231

Washington, D.C.Las Vegas

DCA - LAS

DCALAS

Washington, D.C. Reagan-National

Sat 5/3

9:59 am-5:07 pm

1 stop10h 08m

Las Vegas Harry Reid Intl

Sat 5/10

10:30 am-9:59 pm

1 stop8h 29m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 47 results
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Compare providers for flights from Washington, D.C. to Las Vegas

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Las Vegas in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
FareScanPrice Accuracy-Trust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Las Vegas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Washington, D.C. to Las Vegas

Get recent, data-driven insights about flights from Washington, D.C. to Las Vegas including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Washington, D.C. to Las Vegas?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Las Vegas. Price data was last updated on March 7, 2025.

Booking 28 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Las Vegas. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. to Las Vegas?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $198). Flying from Washington, D.C. to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to LAS?

Find hourly flight availability from Washington, D.C. to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Las Vegas at noon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Washington, D.C. to Las Vegas?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Las Vegas. Price data was last updated on March 9, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Las Vegas flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Las Vegas

Explore weekly flight availability from Washington, D.C. to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 13, 2025.

The most flights from WAS to LAS are scheduled on a Wednesday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated March 13, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Washington, D.C. to Las Vegas to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,291 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,291 reviews
Southwest
8.1
Very good
4,291 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,734 reviews
Southwest
8.1
Very good
4,291 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
7,949 reviews
Southwest
8.1
Very good
4,291 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Hawaiian Airlines
7.9
Good
2,318 reviews
Southwest
8.1
Very good
4,291 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,624 reviews
Southwest
8.1
Very good
4,291 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Las Vegas from Washington, D.C.?

    If you book a flight to Las Vegas from Washington, D.C., you will be flying to Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas. There are 9 flights from Washington, D.C. to Harry Reid Intl per day from 9 different airlines.

  • What are the cheapest airlines flying from Washington, D.C. to Las Vegas round-trip?

    Spirit Airlines, at $124, was found to be the cheapest airline from Washington, D.C. to Las Vegas.Alternate airlines to your destination round-trip include Frontier and United Airlines. Spirit Airlines is priced at 68% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. to Las Vegas one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $68. Frontier flights start at $80 while deals on United Airlines start at $111 one-way.

  • What are the most popular routes from Washington, D.C. to Las Vegas?

    The most popular route from Washington, D.C. to Las Vegas is Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl. You may also consider Washington, D.C. Reagan-National - Las Vegas Harry Reid Intl or Baltimore/Washington - Las Vegas Harry Reid Intl.

  • What are the most reliable airlines from Washington, D.C. to Las Vegas?

    The top 3 most reliable airlines when flying from Washington, D.C. to Las Vegas are Brussels Airlines (61%), Ethiopian Air (61%) and Austrian Airlines (61%).

  • What are the cheapest flights from Washington, D.C. to Las Vegas?

    Looking at all options, your cheapest flight can be booked for $119. While the most popular route (Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl) can be booked for $103 on average our data indicates $955 when flying from Washington, D.C. to Las Vegas.

  • Where are the most common layover locations when flying from Washington, D.C. to Las Vegas?

    Most of the time, Washington, D.C. to Las Vegas flights that have layovers will stop in Denver. Chicago is the second most popular location for layovers on flights from Washington, D.C. to Las Vegas. Detroit ranks third in terms of the most popular layover location on Washington, D.C. to Las Vegas flights.

  • What are some popular things to do or see while on a layover in Denver?

    The majority of Denver visitors spend their time at Coors Field, 16th Street Mall, and Paramount Theatre. Those on a layover in Denver interested in visiting Coors Field, 16th Street Mall, or Paramount Theatre can do so by traveling 18.4 mi, 18.7 mi, and 18.6 mi, respectively from Denver Intl. Those looking to explore during their layover in Denver can rent a car from Denver Intl for about $49 per day.

  • What are some popular points of interest to see during a layover in Chicago?

    If you're on a layover in Chicago and looking for things to do, consider visiting Magnificent Mile, Grant Park, or River North. Magnificent Mile, Grant Park, and River North are located about 15.5 mi, 16.2 mi, and 15.0 mi, respectively from Chicago O'Hare Intl. Travelers in need of a car in Chicago can rent one for about $50 per day.

  • What are points of interest worth seeing during a layover in Detroit?

    Most Detroit visitors opt to spend their time at Fox Theatre, Masonic Temple, and Fillmore Detroit. Fox Theatre, Masonic Temple and Fillmore Detroit are located about 17.3 mi, 17.0 mi, and 17.3 mi, respectively from Detroit Metropolitan Wayne County if you are interested in checking them out. Travelers can rent a car at Detroit Metropolitan Wayne County for an average daily rate of $55 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Washington, D.C. to Las Vegas flights?

    Flights departing from Washington, D.C. and landing in Las Vegas layover in Atlanta least frequently. Charlotte is the second least popular location for layovers on flights from Washington, D.C. to Las Vegas. Dallas comes next as the third least popular layover location for Washington, D.C. to Las Vegas flights.

  • Can I find deals for flights from Washington, D.C. to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Las Vegas.

  • Can I find deals for business class flights from Washington, D.C. to Las Vegas?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Las Vegas?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Las Vegas (average of $198). Flying from Washington, D.C. to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Henderson
Paradise
North Las Vegas
Sunrise Manor
Winchester
Kingman
Primm
Mesquite
Needles
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Pahrump
Boulder City

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Washington, D.C. to Las Vegas

Discover the top 9 airlines that operate flights from Washington, D.C. to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$89Average$278FlexibilityNo cancel feeOn-time65%
FrontierCheapest$109Average$237FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$132Average$345FlexibilityNo cancel feeOn-time83%
DeltaCheapest$225Average$391FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$239Average$336FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$265Average$353FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$289Average$511FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$308Average$508FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$321Average$507FlexibilityNo cancel feeOn-time63%
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