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Cheap flights to San Francisco

Compare flights to San Francisco from your city, see the cheapest months and get alerts when fares drop.

Cheapest months to fly

Lowest recently found return fare in each month. Tap a month to see that month's calendar.

$633 Oct2026 $487 Nov2026 $429 Dec2026 $439 Feb2027 $477 Mar2027 $518 Sep2027

London → San Francisco

November 2026

Mon Tue Wed Thu Fri Sat Sun 1 $507 2 $487 3 4 5 6 7 8 9 10 11 12 13 14 15 $548 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
LowerHigherLowest this month

Lowest fares for the best day

  • Alaska AirlinesFri 20 Nov – Tue 24 Nov · 1 stop · 12h 26m $574
  • KLMFri 20 Nov – Sun 29 Nov · 1 stop · 12h 10m $676
See all flights for these dates

Airport in San Francisco

  • SFOSan Francisco International

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LON
SFO

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More trips from London

All flights from London
Barcelonafrom $39 Milanfrom $41 Edinburghfrom $41 BFSfrom $42 Madridfrom $47 Bilbaofrom $64 Stockholmfrom $66 Parisfrom $72

FAQ

Questions about this route

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01Are the prices on this page final?

No. They are recently found fares. When you open a deal, the partner shows the live price, including taxes and fees, before you pay.

02How can I get an alert when flights to San Francisco get cheaper?

Use the price alert on this page. Choose your dates or a whole month and we will email you when the fare drops.