Cheap flights from San Francisco to London

Round-trip
1 adult
Economy
From?
To?
Mon 8/9
Mon 8/16

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$536The best flight deal from San Francisco to London found on momondo in the last 72 hours is $536
Fastest flight time10h 10mThe fastest flight from San Francisco to London takes 10h 10m
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 Stansted

Fly from San Francisco to London Stansted 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
Multiple Airlines
Sep 16
SFO12:20 pmSan Francisco
21h 20m
2 stops
STN9:40 amLondon Stansted
Sep 23
STN2:30 pmLondon Stansted
28h 05m
2 stops
SFO6:35 pmSan Francisco
TAP AIR PORTUGAL
Jan 24
SFO11:40 amSan Francisco
20h 55m
1 stop
LHR8:35 amLondon Heathrow
Jan 31
LHR1:00 amLondon Heathrow
17h 00m
1 stop
SFO6:00 pmSan Francisco
Multiple Airlines
Oct 7
SFO12:20 pmSan Francisco
21h 20m
2 stops
STN9:40 amLondon Stansted
Oct 14
STN6:15 pmLondon Stansted
24h 20m
2 stops
SFO6:35 pmSan Francisco
Multiple Airlines
Oct 7
SFO12:20 pmSan Francisco
23h 15m
2 stops
STN11:35 amLondon Stansted
Oct 14
STN5:15 pmLondon Stansted
25h 20m
2 stops
SFO6:35 pmSan Francisco
Multiple Airlines
Oct 17
SFO12:20 pmSan Francisco
23h 30m
2 stops
STN11:50 amLondon Stansted
Oct 28
STN6:15 pmLondon Stansted
24h 20m
2 stops
SFO6:35 pmSan Francisco
Multiple Airlines
Sep 9
SFO12:20 pmSan Francisco
23h 15m
2 stops
STN11:35 amLondon Stansted
Sep 16
STN8:10 amLondon Stansted
34h 25m
2 stops
SFO6:35 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 Brussels Airlines, Iberia and TAP AIR PORTUGAL
TAP AIR PORTUGAL
Aug 20
SFO12:20 pmSan Francisco
22h 35m
1 stop
LHR10:55 amLondon Heathrow
TAP AIR PORTUGAL
Sep 16
SFO12:20 pmSan Francisco
17h 25m
1 stop
LHR5:45 amLondon Heathrow
TAP AIR PORTUGAL
Aug 22
SFO12:20 pmSan Francisco
22h 35m
1 stop
LHR10:55 amLondon Heathrow

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

7.2

Entertainment

7.6

Food

Reviews

Pros: Nothing, Air Portugal is the worst I have ever experienced. Never fly Air Portugal, you have been warned.

Cons: A different airline

1 / 10
Brussels Airlines
PriceFrom $327
Free Cancellation
Rating
6.5
6.6

Boarding

6.7

Comfort

7.1

Crew

6.0

Entertainment

6.0

Food

Reviews

Cons: Cabin crew were arrogant and didn’t allow us to storage our backpacks in the over head cabins.

1 / 5
Finnair
PriceFrom $347
Free Cancellation
Rating
7.1
8.0

Boarding

7.8

Comfort

8.4

Crew

6.6

Entertainment

7.3

Food

Reviews

Pros: All is great.

Cons: Nothing is not good.

1 / 8
Icelandair
PriceFrom $353
Free Cancellation
Rating
7.6
7.8

Boarding

7.2

Comfort

8.0

Crew

7.7

Entertainment

6.9

Food

Reviews

Pros: That I got to visit a place as mystical as Iceland for such a low and affordable flight. My departure flight with Iceland Air was on time and although the return was a bit tardy the company did an excellent job with being transparent.

Cons: The flight crew could have been a bit more polite

1 / 10
Lufthansa
PriceFrom $356
Free Cancellation
Rating
7.5
7.7

Boarding

7.5

Comfort

8.1

Crew

7.2

Entertainment

7.3

Food

Reviews

Pros: Al the flights was nice with no issues

Cons: The food that I have with Lufthansa was super bad and there’s no Choise, however, the connect flight wit with United airline have very good food and , what I want say is United airline airplane much better than Lufthansa in every thing even the seats is much nicer

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

Boarding

7.1

Comfort

7.8

Crew

7.0

Entertainment

6.8

Food

Reviews

Pros: Delayed flight no reasons seems like American Airlines don’t know what to do in these situations

Cons: I believe this airlines should have figured the answer to this question by now.

1 / 10
Norwegian Air UK
PriceFrom $364
Free Cancellation
Rating
2.0
Norwegian
PriceFrom $364
Free Cancellation
Rating
6.0
6.0

Boarding

5.9

Comfort

6.5

Crew

6.2

Entertainment

5.7

Food

Reviews

Pros: Crew was acceptable but sits terrible

Cons: Not a comfy flight

1 / 10
Air Canada
PriceFrom $374
Free Cancellation
Rating
7.4
7.6

Boarding

7.2

Comfort

7.9

Crew

7.2

Entertainment

5.8

Food

Reviews

Cons: The air conditioning

1 / 10
KLM
PriceFrom $375
Free Cancellation
Rating
7.8
7.9

Boarding

8.2

Comfort

8.3

Crew

7.3

Entertainment

7.5

Food

Reviews

Pros: Yes, Very good

1 / 9

  • 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 13h 15m.


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 72 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 72 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
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