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 | AranGrant 3 stars |
---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $636 (Booking.com) |
One-way from | $394 (JetBlue) |
Popular in | June |
Cheapest in | October |
Average price | $676 |
Good round-trip deal | $734 or less |
Good one-way deal | $467 or less |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Wed 10/1
7:40 pm-9:35 pm
2 stops17h 55m
London Heathrow
Tue 10/7
7:05 am-4:30 pm
2 stops17h 25m
San FranciscoLondon
SFO - LGW
SFOLGW
San Francisco
Tue 9/30
4:20 pm-9:40 am
1 stop33h 20m
London Gatwick
Sun 10/12
12:05 pm-2:30 pm
2 stops34h 25m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Tue 9/2
6:45 pm-10:00 pm
2 stops19h 15m
London Heathrow
Tue 10/14
7:50 pm-2:35 pm
1 stop26h 45m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Mon 10/20
7:20 pm-1:45 pm
Nonstop10h 25m
London Heathrow
Fri 10/31
7:50 am-4:30 pm
1 stop15h 40m
San FranciscoLondon
SFO - LGW
SFOLGW
San Francisco
Tue 7/29
9:35 am-10:00 am
1 stop16h 25m
London Gatwick
Fri 8/22
12:00 pm-1:25 am
1 stop21h 25m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Wed 9/3
4:35 pm-1:20 pm
1 stop12h 45m
London Heathrow
Wed 10/15
10:30 am-9:40 pm
2 stops19h 10m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Tue 5/13
7:30 pm-1:55 pm
Nonstop10h 25m
London Heathrow
Mon 5/26
7:25 pm-6:00 pm
1 stop30h 35m
San FranciscoLondon
SFO - LGW
SFOLGW
San Francisco
Sun 8/17
9:30 pm-10:00 am
2 stops28h 30m
London Gatwick
Wed 8/27
12:00 pm-9:06 am
2 stops29h 06m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Tue 9/2
11:50 am-9:35 am
1 stop13h 45m
London Heathrow
Tue 9/16
8:45 am-4:10 pm
1 stop15h 25m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Tue 8/12
4:05 pm-10:25 am
Nonstop10h 20m
London Heathrow
Fri 8/29
6:30 am-11:45 am
1 stop13h 15m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 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 |
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 $1,110). 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 11% 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 at noon 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 (42 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (42 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).
Crew
Food
Overall
Comfort
Entertainment
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Food
Overall
Comfort
Entertainment
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Food
Overall
Comfort
Entertainment
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Food
Overall
Comfort
Entertainment
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Food
Overall
Comfort
Entertainment
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Food
Overall
Comfort
Entertainment
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$290 | Average$806 | FlexibilityNo cancel fee | On-time70% | |
Cheapest$324 | Average$579 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$428 | Average$552 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$465 | Average$665 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$541 | Average$733 | FlexibilityNo cancel fee | On-time79% | |
Cheapest$554 | Average$845 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$572 | Average$671 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$584 | Average$1,020 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$586 | Average$835 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$586 | Average$878 | FlexibilityNo cancel fee | On-time71% |