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Cheapest month to fly
One way, the cheapest fare found for each month. Fares change all the time; the search shows today’s prices.
| Month | From | Airline | Stops | Found |
|---|---|---|---|---|
| November 2026 | £381 | TAP Air Portugal | 1 stop | 14 Nov 2026 |
| December 2026 | £353 | TAP Air Portugal | 1 stop | 10 Nov 2026 |
| January 2027 | £360 | Vueling | 2 stops | 14 Nov 2026 |
| March 2027 | £396 | Lufthansa City Airlines | 1 stop | 14 Nov 2026 |
| August 2027 | £538 | Alaska Airlines | 1 stop | 13 Nov 2026 |
Cheapest days in December 2026
| Date | From | Airline | Stops | Found |
|---|---|---|---|---|
| 10 Dec 2026 | £353 | TAP Air Portugal | 1 stop | 10 Nov 2026 |
| 11 Dec 2026 | £379 | Vueling | 2 stops | 12 Nov 2026 |
| 9 Dec 2026 | £396 | TAP Air Portugal | 2 stops | 9 Nov 2026 |
| 17 Dec 2026 | £627 | SAS Scandinavian | 2 stops | 11 Nov 2026 |
Airlines flying non-stop
Virgin Atlantic From £709 one way · found 9 Nov 2026
American Airlines From £740 one way · found 10 Nov 2026
British Airways From £799 one way · found 12 Nov 2026
United Airlines From £873 one way · found 11 Nov 2026
Non-stop flights take about 11 h.
Seat maps for this route
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Lounges at San Francisco International →
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How many Avios or miles does this flight earn, and what does it cost in points?
Questions about this route
When is it cheapest to fly from London to San Francisco?
In our recent data December 2026 is cheapest, from £353 one way. Prices move every day, so check the search for your own dates.
Which airlines fly non-stop from London to San Francisco?
Recent non-stop fares were found with Virgin Atlantic, American Airlines, British Airways and United Airlines.
How long is the flight from London to San Francisco?
About 11 h non-stop.
Fares are the cheapest found recently by travellers, not live quotes, and can change.