United's Polaris Class offers lie-flat seats, Saks bedding, and upscale amenities for long-haul flights.
United's Premium Plus offers extra legroom, upgraded meals, and priority check-in on international routes.
Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $592 (Cheapflightsfares) |
One-way from | $378 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $690 |
Good round-trip deal | $707 or less |
Good one-way deal | $451 or less |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Tue 4/15
1:07 pm-12:15 pm
1 stop15h 08m
London Heathrow
Tue 5/13
10:45 am-1:50 pm
Nonstop11h 05m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Tue 4/8
7:40 pm-9:35 pm
2 stops17h 55m
London Heathrow
Tue 4/29
9:05 pm-4:30 pm
2 stops27h 25m
San FranciscoLondon
SFO - LGW
SFOLGW
San Francisco
Mon 4/7
10:28 pm-6:20 am
2 stops23h 52m
London Gatwick
Wed 4/30
10:55 am-8:37 pm
1 stop17h 42m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Wed 4/2
7:00 am-10:00 am
2 stops19h 00m
London Heathrow
Wed 4/9
6:00 am-4:10 pm
1 stop18h 10m
San FranciscoLondon
SFO - LGW
SFOLGW
San Francisco
Tue 4/8
4:20 pm-3:35 pm
1 stop15h 15m
London Gatwick
Wed 4/30
4:25 pm-2:30 pm
1 stop30h 05m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Wed 4/23
7:40 pm-2:10 pm
Nonstop10h 30m
London Heathrow
Tue 4/29
1:45 pm-4:10 pm
1 stop34h 25m
San FranciscoLondon
SFO - LGW
SFOLGW
San Francisco
Wed 4/30
7:21 am-8:10 am
1 stop16h 49m
London Gatwick
Mon 5/5
3:05 pm-12:06 am
1 stop17h 01m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Mon 3/24
5:40 pm-9:35 pm
1 stop20h 55m
London Heathrow
Wed 4/2
7:50 pm-2:30 pm
1 stop26h 40m
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Tue 4/1
8:20 am-8:35 pm
2 stops28h 15m
London Stansted
Tue 4/8
10:05 pm-4:10 pm
2 stops26h 05m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Mon 3/31
11:55 am-9:35 am
1 stop13h 40m
London Heathrow
Wed 4/16
2:10 pm-8:51 pm
1 stop14h 41m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*1 star | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy2 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars |
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
The price you pay for your flight from San Francisco to London may vary depending on when you book. For the best chance of a lower fare, look to book 38 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, November is the cheapest month in which you can book a flight from San Francisco to London (average of $661). Flying from San Francisco to London in June is currently the most expensive (average of $1,127). 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.
One of the essential ways to save on airfare from San Francisco to London is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 13% on airfare.
Travelers seeking maximum savings on their San Francisco to London flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SFO to LON are scheduled on a Monday (33 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (33 on average).
In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.
If weather is an important factor for your trip to London, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Comfort
Crew
Entertainment
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$323 | Average$578 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$428 | Average$540 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$465 | Average$659 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$546 | Average$815 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$555 | Average$744 | FlexibilityNo cancel fee | On-time79% | |
Cheapest$556 | Average$814 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$567 | Average$895 | FlexibilityNo cancel fee | On-time72% | |
Cheapest$572 | Average$676 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$582 | Average$826 | FlexibilityNo cancel fee | On-time70% | |
Cheapest$582 | Average$915 | FlexibilityNo cancel fee | On-time71% |