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 | $538 (FlightHub) |
One-way from | $366 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $663 |
Good round-trip deal | $664 or less |
Good one-way deal | $389 or less |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Wed 10/22
12:35 pm-6:30 pm
2 stops21h 55m
London Heathrow
Wed 10/29
6:40 am-4:10 pm
1 stop16h 30m
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Sun 11/9
8:25 am-1:30 pm
2 stops21h 05m
London Stansted
Tue 11/25
7:40 am-9:22 pm
2 stops21h 42m
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Mon 1/12
7:00 am-3:45 pm
2 stops24h 45m
London Stansted
Mon 1/19
7:35 am-2:35 pm
1 stop15h 00m
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Sat 11/8
4:40 pm-10:55 pm
2 stops22h 15m
London Stansted
Thu 11/20
11:30 am-2:35 pm
2 stops35h 05m
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Mon 11/10
8:25 am-8:55 pm
2 stops28h 30m
London Stansted
Mon 11/17
9:20 pm-12:40 pm
2 stops23h 20m
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Wed 11/5
8:25 am-8:55 pm
2 stops28h 30m
London Stansted
Wed 11/12
7:40 am-9:22 pm
2 stops21h 42m
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Sun 11/2
4:40 pm-6:05 pm
2 stops17h 25m
London Stansted
Sat 11/8
1:05 pm-2:35 pm
2 stops33h 30m
San FranciscoLondon
SFO - STN
SFOSTN
San Francisco
Tue 10/21
8:30 am-12:40 pm
2 stops20h 10m
London Stansted
Mon 10/27
9:20 pm-5:30 pm
2 stops27h 10m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Sat 11/1
7:00 am-9:20 am
2 stops19h 20m
London Heathrow
Wed 11/5
9:05 pm-2:35 pm
2 stops25h 30m
San FranciscoLondon
SFO - LHR
SFOLHR
San Francisco
Sun 2/15
4:40 pm-5:40 pm
1 stop17h 00m
London Heathrow
Tue 3/3
6:40 am-2:35 pm
1 stop15h 55m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy2 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy2 stars | Trust Score*1 star | |
Price Accuracy3 stars | Trust Score*1 star | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*1 star | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy2 stars | Trust Score*2 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 $1,096). 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 at noon tend to be the most expensive. A flight in the evening 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 evenings 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).
New York (JFK) – chosen by Cheapflights users on 50% of 1-stop itineraries from San Francisco to London on Cheapflights.
Dublin (DUB) is the most affordable 1-stop option, with an average round-trip price of $598.
Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 13h 10m.
Flights via Zurich (ZRH) offer the fastest connection on this route, with an average layover time of 1h 05m.
Crew
Entertainment
Comfort
Overall
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Entertainment
Comfort
Overall
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Entertainment
Comfort
Overall
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Entertainment
Comfort
Overall
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Entertainment
Comfort
Overall
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Crew
Entertainment
Comfort
Overall
Food
Boarding
Reviews
Aaron,Oct 2024
LAX - LHR
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$195 | Average$817 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$334 | Average$602 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$433 | Average$575 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$514 | Average$722 | FlexibilityNo cancel fee | On-time70% | |
Cheapest$541 | Average$712 | FlexibilityNo cancel fee | On-time79% | |
Cheapest$563 | Average$844 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$571 | Average$915 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$572 | Average$675 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$573 | Average$828 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$577 | Average$848 | FlexibilityNo cancel fee | On-time72% |