Cheap flights from San Francisco (SFO) to London (LON)

SFO — LON
Oct 3 — Oct 101

The best prices from San Francisco to London are usually found in February or March, booked 60 days in advance, depart on a Thursday or Monday and return on a Wednesday

How to find the cheapest flight from San Francisco (SFO) to London (LON)

All the information you need to plan the best SFO to LON flight in 2022: compare San Francisco to London flight prices with the expected peak season, weather and rainfall in London.

SFO - LON

Price

$621 - $1,124

LON

Temperature

39.2 - 62.6 °F

LON

Rainfall

1.6 - 2.8 inches

Popular inJulyHigh demand for flights, 29% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 22% potential price drop
Round-trip from$621From San Francisco to London (LON)
One-way from$211One-way flight from San Francisco to London (LON)

Cheap TAP AIR PORTUGAL flights from San Francisco to London

Nov 7 - Nov 23
SFO

San Francisco

LGW

London Gatwick

1 stop

15h 05m
LGW

London Gatwick

SFO

San Francisco

1 stop

30h 20m
$344

TAP AIR PORTUGAL

Pick Dates

Deal found 9/28/22

Nov 7 - Nov 23
SFO

San Francisco

LGW

London Gatwick

1 stop

15h 05m
LGW

London Gatwick

SFO

San Francisco

1 stop

30h 20m
$345

TAP AIR PORTUGAL

Pick Dates

Deal found 9/27/22

Nov 7 - Nov 23
SFO

San Francisco

LGW

London Gatwick

1 stop

15h 05m
LGW

London Gatwick

SFO

San Francisco

1 stop

30h 20m
$346

TAP AIR PORTUGAL

Pick Dates

Deal found 9/27/22

Cheap Scandinavian Airlines flights from San Francisco to London

Oct 5 - Oct 19
SFO

San Francisco

LHR

London Heathrow

2 stops

32h 55m
LHR

London Heathrow

SFO

San Francisco

2 stops

30h 45m
$835

Scandinavian Airlines

Pick Dates

Deal found 9/26/22

Oct 5 - Nov 3
SFO

San Francisco

LHR

London Heathrow

2 stops

32h 55m
LHR

London Heathrow

SFO

San Francisco

1 stop

31h 25m
$845

Scandinavian Airlines

Pick Dates

Deal found 9/26/22

Oct 5 - Oct 22
SFO

San Francisco

LHR

London Heathrow

2 stops

32h 55m
LHR

London Heathrow

SFO

San Francisco

2 stops

30h 45m
$847

Scandinavian Airlines

Pick Dates

Deal found 9/27/22

Alternative routes for San Francisco to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from San Francisco to London

The chart below displays the airlines Cheapflights users traveling from San Francisco to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$10Average$20FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
TAP AIR PORTUGALCheapest$352Average$509FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
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NorwegianCheapest$364Average$759FlexibilityNo cancel feeOn-time74%COVID-19 safety
Search Norwegian flights
Scandinavian AirlinesCheapest$387Average$628FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Scandinavian Airlines flights
IberiaCheapest$487Average$776FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Iberia flights
Singapore AirlinesCheapest$491Average$1,840FlexibilityNo cancel feeOn-time81%COVID-19 safety
Search Singapore Airlines flights
FinnairCheapest$571Average$738FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Finnair flights
KLMCheapest$574Average$818FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search KLM flights
Aer LingusCheapest$579Average$778FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Aer Lingus flights
American AirlinesCheapest$600Average$948FlexibilityNo cancel feeOn-time71%COVID-19 safety
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Hourly flight availability from San Francisco to London

See what time of day planes typically take off from San Francisco to London
1%of flight departuresEarly morningMidnight to 6 am
16%of flight departuresMorning6 am to noon
33%of flight departuresAfternoonNoon to 6 pm
50%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from San Francisco to London

See how many times per day planes take to the skies headed from San Francisco to London
Sunday31daily flights
Monday42daily flights
Tuesday37daily flights
Wednesday42daily flights
Thursday42daily flights
Friday37daily flights
Saturday37daily flights