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San Francisco to London Flights — Fares from $432.00 | SFO–LCY

Compare the cheapest San Francisco (SFO) to London (LCY) fares found by our live flight search, then book online or over the phone with our travel experts.

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Adults
12+
1
Children
2–11
0
Infants
Under 2
0
Cabin
🏷️
Save up to 40% with unpublished phone fares
Consolidator deals on selected San Francisco → London flights that do not appear in online search results. The live fares below are bookable right now — or call to check for an unpublished fare on your dates.
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One-way fares San Francisco → London

showing indicative fares · loading live prices…
Virgin Atlantic
Virgin Atlantic CHEAPEST
SFO → LCY · Economy
lowest fare seen on this route
$720.01
$432.01
Select
Lufthansa
Lufthansa
SFO → LCY · Economy
lowest fare seen on this route
$763.55
$458.13
Select
KLM
KLM
SFO → LCY · Economy
lowest fare seen on this route
$788.55
$473.13
Select
Swiss
Swiss
SFO → LCY · Economy
lowest fare seen on this route
$870.49
$522.29
Select
See all flights & times → Prices per adult, one way, incl. taxes & fees. Availability changes constantly.
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Live fares we can book on SFO–LCY

Lowest fare found per airline on the SFO → LCY route, with our discounted phone-deal price.

AirlineCabin Found fareOur discounted fare Fare found on
Virgin Atlantic Virgin Atlantic Economy $720.01 $432.01 Oct 11, 2026 Book
Lufthansa Lufthansa Economy $763.55 $458.13 Oct 11, 2026 Book
KLM KLM Economy $788.55 $473.13 Oct 11, 2026 Book
Swiss Swiss Economy $870.49 $522.29 Oct 11, 2026 Book

Discounted fares are negotiated phone deals from our vendor network and may not appear in online search results — call 1-856-513-6369 to lock one in. Fares were found on the dates shown, are per person in USD, and change with availability.

London
London, United Kingdom

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Page updated October 14, 2026 · fare data refreshed automatically from live flight searches.