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London to San Francisco Flights — Fares from $1,939.00 | LHR–SFO

Compare the cheapest London (LHR) to San Francisco (SFO) 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Save up to 40% with unpublished phone fares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 London → San Francisco 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 The live fares below are bookable right now — or call to check for an unpublished fare on your dates.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 London → San Francisco

showing indicative fares · loading live prices…
TP Airlines
TP Airlines CHEAPEST
LHR → SFO · Economy
lowest fare seen on this route
$3,231.78
$1,939.07
Select
WestJet
WestJet
LHR → SFO · Economy
lowest fare seen on this route
$3,722.00
$2,233.20
Select
LO Airlines
LO Airlines
LHR → SFO · Economy
lowest fare seen on this route
$4,202.00
$2,521.20
Select
EI Airlines
EI Airlines
LHR → SFO · Economy
lowest fare seen on this route
$4,264.00
$2,558.40
Select
British Airways
British Airways
LHR → SFO · Economy
lowest fare seen on this route
$4,352.00
$2,611.20
Select
American Airlines
American Airlines
LHR → SFO · Economy
lowest fare seen on this route
$4,352.00
$2,611.20
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 LHR–SFO

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

AirlineCabin Found fareOur discounted fare Fare found on
TP Airlines TP Airlines Economy $3,231.78 $1,939.07 Oct 17, 2026 Book
WestJet WestJet Economy $3,722.00 $2,233.20 Oct 17, 2026 Book
LO Airlines LO Airlines Economy $4,202.00 $2,521.20 Oct 17, 2026 Book
EI Airlines EI Airlines Economy $4,264.00 $2,558.40 Oct 17, 2026 Book
British Airways British Airways Economy $4,352.00 $2,611.20 Oct 17, 2026 Book
American Airlines American Airlines Economy $4,352.00 $2,611.20 Oct 17, 2026 Book
KLM KLM Economy $4,459.98 $2,675.99 Oct 17, 2026 Book
Turkish Airlines Turkish Airlines Economy $4,699.98 $2,819.99 Oct 17, 2026 Book
Alaska Airlines Alaska Airlines Economy $4,718.00 $2,830.80 Oct 17, 2026 Book
Delta Air Lines Delta Air Lines Economy $4,748.38 $2,849.03 Oct 17, 2026 Book
Virgin Atlantic Virgin Atlantic Economy $5,427.98 $3,256.79 Oct 17, 2026 Book
Air France Air France Economy $5,578.38 $3,347.03 Oct 17, 2026 Book
United Airlines United Airlines Economy $6,807.58 $4,084.55 Oct 17, 2026 Book
Finnair Finnair Economy $6,998.98 $4,199.39 Oct 17, 2026 Book
Lufthansa Lufthansa Economy $10,772.98 $6,463.79 Oct 17, 2026 Book
SN Airlines SN Airlines Economy $10,790.58 $6,474.35 Oct 17, 2026 Book
Iberia Iberia Economy $10,943.26 $6,565.96 Oct 17, 2026 Book
JetBlue JetBlue Economy $26,422.00 $15,853.20 Oct 17, 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.

More routes we cover

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Page updated October 17, 2026 · fare data refreshed automatically from live flight searches.