Flights from London to San Francisco from $ 520*
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1 Passenger, Economy
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today
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Featured daily fares for flights from London (LHR) to San Francisco (SFO)
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More United deals on London (LHR) to San Francisco (SFO) flights
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| London (LHR) | San Francisco (SFO) | Roundtrip | Economy | 03/10/26 - 03/24/26 | from $Â 520 Viewed: 20 hours ago |
| London (LHR) | San Francisco (SFO) | Roundtrip | Economy | 01/16/26 - 02/02/26 | from $Â 525 Viewed: 21 hours ago |
| London (LHR) | San Francisco (SFO) | Roundtrip | Economy | 10/11/26 - 10/16/26 | from $Â 551 Viewed: 1 day ago |
| London (LHR) | San Francisco (SFO) | Roundtrip | Economy | 01/09/26 - 01/29/26 | from $Â 567 Viewed: 1 day ago |
| London (LHR) | San Francisco (SFO) | Roundtrip | Economy | 01/08/26 - 01/29/26 | from $Â 567 Viewed: 1 day ago |
| London (LHR) | San Francisco (SFO) | Roundtrip | Economy | 01/10/26 - 01/13/26 | from $Â 624 Viewed: 22 hours ago |
| London (LHR) | San Francisco (SFO) | Roundtrip | Economy | 03/11/26 - 09/23/26 | from $Â 626 Viewed: 15 hours ago |
| London (LHR) | San Francisco (SFO) | Roundtrip | Economy | 12/26/25 - 01/02/26 | from $Â 651 Viewed: 14 hours ago |
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
