There are most likely no direct flights on the San Francisco — London route
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A non-stop flight is the most convenient and comfortable way to fly from San Francisco to London, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
There are most likely no direct flights on the San Francisco — London route
San Francisco — London
06/09/2026
Departure
Direct flight
VS042
starting at $953
San Francisco — London
06/19/2026
Departure
Direct flight
UA930
starting at $1,237
San Francisco — London
09/09/2026
Departure
Direct flight
UA930
starting at $429
San Francisco — London
06/10/2026
Departure
Direct flight
BA286
starting at $1,663
San Francisco — London
06/20/2026
Departure
Direct flight
UA930
starting at $1,055
San Francisco — London
01/11/2027
Departure
Direct flight
BA8986
starting at $339
starting at $953
starting at $429
starting at $339
starting at $303
starting at $328
starting at $432
starting at $589
starting at $591
starting at $594
The route San Francisco — London is served by many carriers — 9 in total, including Virgin Atlantic, United Airlines, British Airways, Air Canada, Alaska Airlines, American Airlines, JetBlue Airways, Westjet, and Frontier Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $303) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.
The cheapest one-way flight from San Francisco to London departs on 09/08/2026, is operated by Air Canada and costs $303
The cheapest roundtrip flight from San Francisco to London departs on 12/26/2026, is operated by TAP Portugal and costs $671
Fastest flight from San Francisco to London takes 14h 20m
There are direct flights on this route 5 days a week: Mo, Tu, We, Fr, and Sa
The distance between San Francisco and London is 8624km (5347 miles). There are 60 direct flights from San Francisco to London. The time difference between San Francisco and London is 8h. Flights from San Francisco begin at 1:05 PM. The latest flight from San Francisco departs at 11:15 PM
The cheapest flight ticket from San Francisco to London according to data for the last 48 hours costs $303
Often the best time to buy tickets from San Francisco to London is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from San Francisco to London can be found flying in these months: September, January, June.
The fastest flights from San Francisco to London start from 14 hours 20 minutes in the air.
The following airlines operate direct flights on the route San Francisco — London: Virgin Atlantic, United Airlines, British Airways
In different months, ticket prices from San Francisco to London vary: minimum — $303 (September 2026), maximum — $432 (June 2026). Typically, the flight costs $357–$767.
On the San Francisco — London route, prices first decline, hit a low, then start rising again. The middle of the period creates a price window — the best time to book.
Prices fall from June 2026 to September 2026 (30%), then rise from September 2026 to January 2027 (+10%). The best period is September 2026–January 2027 ($319), the most expensive is June 2026–September 2026 ($368).
The best time to buy is September 2026–January 2027, when prices are at their lowest. This can save you up to 13% compared to the expensive months (June 2026–September 2026).
Monthly price variation is 15.4%. On this route, your departure date noticeably affects the cost, and choosing wisely can lead to real savings.
