
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $642 (lastminute.com) |
One-way from | $600 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $788 |
Good round-trip deal | $743 or less |
Good one-way deal | $613 or less |
Fly from
Fly to
Route
Depart
Return
LondonSan Francisco
LCY - SFO
LCYSFO
London City
Wed 10/14
6:45 am-3:55 pm
1 stop17h 10m
San Francisco
Sun 10/18
5:40 pm-8:45 pm
1 stop19h 05m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 7/10
7:30 am-11:02 pm
2 stops23h 32m
San Francisco
Fri 7/17
7:50 pm-2:10 pm
Nonstop10h 20m
LondonSan Francisco
LHR - SFO
LHRSFO
London Heathrow
Fri 8/21
6:30 am-11:45 am
1 stop13h 15m
San Francisco
Tue 8/25
5:55 pm-12:15 pm
Nonstop10h 20m
LondonSan Francisco
LGW - SFO
LGWSFO
London Gatwick
Tue 9/1
10:35 am-6:00 pm
1 stop15h 25m
San Francisco
Tue 9/22
2:15 pm-4:00 pm
2 stops17h 45m
LondonSan Francisco
LCY - SFO
LCYSFO
London City
Tue 10/6
7:00 pm-11:45 am
1 stop24h 45m
San Francisco
Fri 10/16
1:45 pm-11:40 am
1 stop13h 55m
LondonSan Francisco
LGW - SFO
LGWSFO
London Gatwick
Tue 12/15
4:35 pm-2:45 pm
1 stop30h 10m
San Francisco
Mon 12/28
4:35 pm-8:50 am
2 stops32h 15m
LondonSan Francisco
LCY - SFO
LCYSFO
London City
Mon 8/17
7:45 am-9:02 pm
2 stops21h 17m
San Francisco
Mon 8/31
1:45 pm-5:20 pm
1 stop19h 35m
LondonSan Francisco
LCY - SFO
LCYSFO
London City
Tue 9/1
9:20 am-7:43 pm
2 stops18h 23m
San Francisco
Tue 9/22
1:45 pm-4:40 pm
1 stop18h 55m
LondonSan Francisco
LCY - SFO
LCYSFO
London City
Thu 9/24
9:20 am-8:18 pm
2 stops18h 58m
San Francisco
Thu 10/1
1:45 pm-4:40 pm
1 stop18h 55m
LondonSan Francisco
LGW - SFO
LGWSFO
London Gatwick
Sat 9/19
9:15 pm-2:05 pm
2 stops48h 50m
San Francisco
Sat 10/3
7:35 pm-9:45 am
1 stop30h 10m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
Currently, February is the cheapest month in which you can book a flight from London to San Francisco (average of $545). Flying from London to San Francisco in December is currently the most expensive (average of $904). 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.
When flying from London to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
The most flights from LON to SFO are scheduled on a Monday (42 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (33 on average).
Dublin (DUB) – chosen by Cheapflights users on 47% of 1-stop itineraries from London to San Francisco on Cheapflights.
Copenhagen (CPH) is the most affordable 1-stop option, with an average round-trip price of $520.
Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 13h 55m.
Flights via Dublin (DUB) offer the fastest connection on this route, with an average layover time of 1h 40m.
About 12% of weekly flights between London and San Francisco have experienced delays in the past year, with the average delay time being 139 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Friday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
The price you pay for your flight from London to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Crew
Entertainment
Overall
Boarding
Comfort
Food
Reviews
Anonymous,Apr 2026
OKC - ATL
Crew
Entertainment
Overall
Boarding
Comfort
Food
Reviews
Anonymous,Apr 2026
OKC - ATL
Crew
Entertainment
Overall
Boarding
Comfort
Food
Reviews
Anonymous,Apr 2026
OKC - ATL
Crew
Entertainment
Overall
Boarding
Comfort
Food
Reviews
Anonymous,Apr 2026
OKC - ATL
Crew
Entertainment
Overall
Boarding
Comfort
Food
Reviews
Anonymous,Apr 2026
OKC - ATL
Crew
Entertainment
Overall
Boarding
Comfort
Food
Reviews
Anonymous,Apr 2026
OKC - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$449 | Average$500 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$506 | Average$760 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$514 | Average$693 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$520 | Average$751 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$531 | Average$670 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$538 | Average$827 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$552 | Average$746 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$555 | Average$829 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$557 | Average$838 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$589 | Average$843 | FlexibilityNo cancel fee | On-time71% |