Cheap flights from San Francisco to London from $242

Round-trip
1 adult
Economy
From?
To?
Tue 2/1
Tue 2/8

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from San Francisco to London.
View current United Kingdom travel restrictions

Flight information for San Francisco to London
(SFO to LON)

Find info about flight duration, direct flights, and airports for your flight from San Francisco to London
Best Price Found$242The best one-way flight to London from San Francisco in the past 72 hours is $242. The best round-trip flight deal from San Francisco to London found on momondo in the last 72 hours is $400.
Fastest flight time10h 15mThe fastest flight from San Francisco to London takes 10h 15m
Direct flightsNoneThere are no direct flights from San Francisco to London. Popular non-direct routes for this connection are San Francisco Airport - London Gatwick Airport, San Francisco Airport - London City Airport and San Francisco Airport - London Heathrow Airport.
Airports in London6 airportsThere are 6 airports near London: London City (LCY), London Heathrow (LHR), London Luton (LTN), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)

How to get the cheapest flight ticket from San Francisco to London

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from San Francisco to London?

February

The cheapest time of year to fly to London from San Francisco is February. Most expensive is December

What is the cheapest day to depart San Francisco for London?

Tuesday

The cheapest day of the week is typically Tuesday. The most expensive is typically Saturday

When is the cheapest time to fly from San Francisco to London?

in the evening

San Francisco to London flights are approximately 8% more expensive in the morning than in the evening

What is the cheapest airline that flies to London from San Francisco?

TAP AIR PORTUGAL

Air France, Brussels Airlines, and Finnair are the most popular carriers operating from San Francisco to London

What is the cheapest San Francisco to London flight route?

San Francisco - London Heathrow

Fly from San Francisco to London Heathrow for the best San Francisco - London flight prices

How far in advance should you book San Francisco to London flights?

60 days before

The cheapest time to buy a flight from San Francisco to London is approximately 60 days to departure


Easily compare round-trip flights from San Francisco to London

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from San Francisco to London by changing tabs
TAP AIR PORTUGAL
Feb 17
SFO11:40 amSan Francisco
15h 05m
1 stop
LGW2:45 amLondon Gatwick
Mar 2
LGW11:35 amLondon Gatwick
30h 20m
1 stop
SFO5:55 pmSan Francisco
Multiple Airlines
Feb 10
SFO11:40 amSan Francisco
21h 00m
2 stops
STN8:40 amLondon Stansted
Feb 16
STN5:05 pmLondon Stansted
24h 50m
2 stops
SFO5:55 pmSan Francisco
SAS
Apr 1
SFO12:10 pmSan Francisco
33h 10m
2 stops
LHR9:20 pmLondon Heathrow
Apr 4
LHR2:45 amLondon Heathrow
15h 35m
1 stop
SFO6:20 pmSan Francisco
Aer Lingus
Feb 28
SFO12:25 pmSan Francisco
19h 20m
1 stop
LCY7:45 amLondon City
Mar 30
LCY2:05 pmLondon City
29h 30m
1 stop
SFO7:35 pmSan Francisco
SWISS
Mar 21
SFO11:20 amSan Francisco
34h 00m
2 stops
LCY9:20 pmLondon City
Apr 7
LCY5:25 amLondon City
14h 40m
1 stop
SFO8:05 pmSan Francisco
KLM
Mar 15
SFO11:15 amSan Francisco
18h 20m
1 stop
LCY5:35 amLondon City
Mar 28
LCY5:25 amLondon City
13h 05m
1 stop
SFO6:30 pmSan Francisco

Find the cheapest one-way flights from San Francisco to London

If you're looking for one-way flights from San Francisco to London, view some of our deals below provided by Iberia and WestJet
Multiple Airlines
Feb 7
SFO2:45 pmSan Francisco
43h 10m
3 stops
LTN9:55 amLondon Luton
Iberia
Mar 3
SFO6:55 amSan Francisco
13h 20m
1 stop
LHR8:15 pmLondon Heathrow
WestJet
Apr 12
SFO9:45 amSan Francisco
14h 20m
1 stop
LHR12:05 amLondon Heathrow

Search last-minute flights to London from San Francisco

Find and compare round-trip flight prices for your last-minute flight from San Francisco to London
TAP AIR PORTUGAL
Feb 3
SFO11:40 amSan Francisco
16h 50m
1 stop
LHR4:30 amLondon Heathrow
Feb 13
LHR2:55 pmLondon Heathrow
27h 00m
1 stop
SFO5:55 pmSan Francisco
Multiple Airlines
Feb 3
SFO11:40 amSan Francisco
19h 45m
2 stops
STN7:25 amLondon Stansted
Feb 9
STN5:05 pmLondon Stansted
24h 50m
2 stops
SFO5:55 pmSan Francisco
SWISS
Feb 3
SFO5:35 amSan Francisco
37h 30m
2 stops
LHR7:05 pmLondon Heathrow
Feb 6
LHR1:55 amLondon Heathrow
17h 10m
1 stop
SFO7:05 pmSan Francisco
Lufthansa
Feb 3
SFO5:40 pmSan Francisco
16h 15m
1 stop
LHR9:55 amLondon Heathrow
Feb 14
LHR6:10 amLondon Heathrow
15h 45m
1 stop
SFO9:55 pmSan Francisco
United Airlines
Feb 6
SFO11:50 amSan Francisco
34h 30m
1 stop
LHR10:20 pmLondon Heathrow
May 5
LHR3:25 amLondon Heathrow
15h 00m
1 stop
SFO6:25 pmSan Francisco
Delta
Feb 2
SFO11:00 amSan Francisco
10h 15m
LHR9:15 pmLondon Heathrow
Feb 9
LHR1:30 amLondon Heathrow
13h 40m
1 stop
SFO3:10 pmSan Francisco

Best airlines flying from San Francisco to London

Compare and see reviews for airlines that fly from San Francisco to London with momondo
AirlineRatingFree CancellationPrice
TAP AIR PORTUGAL
PriceFrom $223
Free Cancellation
Rating
7.5
7.3

Boarding

7.6

Comfort

7.9

Crew

7.0

Entertainment

7.3

Food

Reviews

Great crew. Friendly and attentive!

1 / 10
Brussels Airlines
PriceFrom $327
Free Cancellation
Rating
6.8
6.9

Boarding

6.9

Comfort

7.3

Crew

6.2

Entertainment

5.9

Food

Reviews

Crew members were very helpful, friendly and dedicated. The flight was punctual and inside very clean.

1 / 6
Finnair
PriceFrom $347
Free Cancellation
Rating
7.7
8.0

Boarding

7.7

Comfort

8.3

Crew

7.0

Entertainment

7.2

Food

Reviews

Good

1 / 10
Icelandair
PriceFrom $353
Free Cancellation
Rating
7.4
7.4

Boarding

7.0

Comfort

7.8

Crew

7.4

Entertainment

6.7

Food

Reviews

The trip was beautiful and the Icelander crew was very helpful with us

1 / 10
Lufthansa
PriceFrom $356
Free Cancellation
Rating
7.4
7.6

Boarding

7.4

Comfort

7.9

Crew

7.0

Entertainment

7.1

Food

Reviews

Everything was very good, but my luggage was lost.

1 / 10
American Airlines
PriceFrom $363
Free Cancellation
Rating
7.2
7.4

Boarding

7.1

Comfort

7.8

Crew

7.1

Entertainment

6.8

Food

Reviews

Flight attendant for first class is definitely not a morning person. Oh and the WiFi DID NOT WORK!

1 / 10
Norwegian Air UK
PriceFrom $364
Free Cancellation
Rating
2.0
Norwegian
PriceFrom $364
Free Cancellation
Rating
6.2
6.3

Boarding

6.1

Comfort

6.7

Crew

6.2

Entertainment

5.6

Food

Reviews

Pros: Crew was acceptable but sits terrible

Cons: Not a comfy flight

1 / 10
Air Canada
PriceFrom $374
Free Cancellation
Rating
7.7
8.0

Boarding

7.7

Comfort

8.3

Crew

7.3

Entertainment

6.6

Food

Reviews

We boarded 20 minutes before the actual boarding time. The plane left on time and arrived a little early. Air Canada's crew served 1 drink service during a 4.5 hour flight, with no snacks. It's a good thing that I have access to lounge service.

1 / 10
KLM
PriceFrom $375
Free Cancellation
Rating
8.0
8.0

Boarding

8.1

Comfort

8.3

Crew

7.3

Entertainment

7.4

Food

Reviews

same as from LUX … professional, nice.

1 / 10

SAS flights from San Francisco to London

Our best SAS deals on San Francisco to London flight tickets
SAS
Apr 1
SFO12:10 pmSan Francisco
33h 10m
2 stops
LHR9:20 pmLondon Heathrow
Apr 4
LHR2:45 amLondon Heathrow
15h 35m
1 stop
SFO6:20 pmSan Francisco
SAS
Mar 11
SFO6:20 amSan Francisco
17h 35m
2 stops
LHR11:55 pmLondon Heathrow
Mar 12
LHR12:00 pmLondon Heathrow
29h 55m
1 stop
SFO6:55 pmSan Francisco
SAS
Mar 11
SFO6:20 amSan Francisco
17h 35m
2 stops
LHR11:55 pmLondon Heathrow
Mar 12
LHR10:35 amLondon Heathrow
31h 20m
2 stops
SFO6:55 pmSan Francisco

TAP AIR PORTUGAL flights from San Francisco to London

Our best TAP AIR PORTUGAL deals on San Francisco to London flight tickets
TAP AIR PORTUGAL
Feb 17
SFO11:40 amSan Francisco
15h 05m
1 stop
LGW2:45 amLondon Gatwick
Mar 2
LGW11:35 amLondon Gatwick
30h 20m
1 stop
SFO5:55 pmSan Francisco
TAP AIR PORTUGAL
Feb 17
SFO11:40 amSan Francisco
15h 05m
1 stop
LGW2:45 amLondon Gatwick
Mar 2
LGW11:35 amLondon Gatwick
30h 20m
1 stop
SFO5:55 pmSan Francisco
TAP AIR PORTUGAL
Feb 17
SFO11:40 amSan Francisco
15h 05m
1 stop
LGW2:45 amLondon Gatwick
Mar 2
LGW11:35 amLondon Gatwick
30h 20m
1 stop
SFO5:55 pmSan Francisco

  • Are airlines flying from San Francisco to London offering flexible cancellation due to COVID-19?

    To ease the stress of booking flights, some of our airline partners flying from San Francisco to London are responding to the global pandemic. The following airlines may have a flexible cancellation policy to help accommodate travelers: United Airlines, Virgin Atlantic, and British Airways.

  • How far is San Francisco to London by plane?

    London is 5349.7 mi away from San Francisco. In terms of flight time, this usually takes a little over 14h 00m.


Can I fly to London from San Francisco right now?

Information is based on travel restrictions from San Francisco to London

Most visitors from San Francisco need to provide a negative COVID-19 test result and/or quarantine to enter London.

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 48 hours before departing to London.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering London.

Documents
Mandatory passenger locator form - Submit the form any time in the 48 hours before arriving in the UK. Show the form when checking in your plane, train or ferry to the UK.

Managed quarantine package for Scotland - All travelers arriving directly to Scotland are required to book their Managed Quarantine Package prior to travel.

COVID-19 testing package - All travelers must book and pay for a COVID-19 Testing Package prior to travel to England and Scotland.


Can I fly back to San Francisco from London?

Returning to San Francisco from London

COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to San Francisco.

Quarantine requirements
Visitors from London are not required to quarantine after entering San Francisco.

If you are planning to travel to London at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

Alternative routes for San Francisco to London

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Los Angeles to London Flights
Fastest flight time10h 10m
Cheapest price$469
Ontario to London Flights
Fastest flight time12h 50m
Cheapest price$581
Santa Ana to London Flights
Fastest flight time12h 36m
Cheapest price$573
San Diego to London Flights
Fastest flight time10h 25m
Cheapest price$558
San Jose to London Flights
Fastest flight time10h 15m
Cheapest price$547
Oakland, California to London Flights
Fastest flight time12h 15m
Cheapest price$587
Burbank to London Flights
Fastest flight time12h 50m
Cheapest price$587
Sacramento to London Flights
Fastest flight time15h 10m
Cheapest price$600
San Francisco to Manchester Flights
Fastest flight time14h 59m
Cheapest price$519

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