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Cheap flights from London to San Francisco from £372

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Francisco departing on 23/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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ti. 23/4
ti. 30/4

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Easily compare return flights from London to San Francisco

Below you can see the best fares for your return flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from London to San Francisco by changing tabs
Air Canada
24 Apr
LHR14:05London Heathrow
15h 27m
1 stop
SFO21:32San Francisco
29 Apr
SFO06:30San Francisco
16h 00m
2 stops
LHR06:30London Heathrow
Virgin Atlantic
24 Apr
LHR11:45London Heathrow
11h 00m
SFO14:45San Francisco
29 Apr
SFO17:01San Francisco
10h 19m
LHR11:20London Heathrow
United Airlines
24 Apr
LHR14:50London Heathrow
16h 12m
2 stops
SFO23:02San Francisco
29 Apr
SFO09:20San Francisco
14h 05m
1 stop
LHR07:25London Heathrow
Multiple Airlines
24 Apr
LHR14:05London Heathrow
15h 27m
1 stop
SFO21:32San Francisco
6 May
SFO12:35San Francisco
10h 20m
LHR06:55London Heathrow
Austrian Airlines
3 May
LHR10:25London Heathrow
10h 55m
SFO13:20San Francisco
5 May
SFO19:45San Francisco
10h 25m
LHR14:10London Heathrow
British Airways
24 Apr
LHR06:45London Heathrow
17h 05m
1 stop
SFO15:50San Francisco
29 Apr
SFO15:30San Francisco
10h 30m
LHR10:00London Heathrow

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

If you're looking for one-way flights from London to San Francisco, view some of our deals below provided by Austrian Airlines, Brussels Airlines and Iberia
Multiple Airlines
27 May
LTN08:50London Luton
35h 12m
2 stops
SFO12:02San Francisco
Iberia
26 Apr
LHR14:20London Heathrow
11h 05m
SFO17:25San Francisco
TAP AIR PORTUGAL
22 Apr
LGW21:05London Gatwick
49h 30m
2 stops
SFO14:35San Francisco

Search last-minute flights to San Francisco from London

Find and compare return flight prices for your last-minute flight from London to San Francisco
Multiple Airlines
23 Apr
LGW10:45London Gatwick
21h 20m
1 stop
SFO00:05San Francisco
24 Apr
SFO14:40San Francisco
36h 15m
1 stop
LGW10:55London Gatwick
Virgin Atlantic
26 Apr
LHR16:20London Heathrow
11h 00m
SFO19:20San Francisco
29 Apr
SFO16:00San Francisco
13h 30m
1 stop
LHR13:30London Heathrow
Lufthansa
25 Apr
LHR16:15London Heathrow
11h 00m
SFO19:15San Francisco
28 Apr
SFO19:45San Francisco
10h 25m
LHR14:10London Heathrow
Air Canada
27 Apr
LHR08:30London Heathrow
20h 22m
1 stop
SFO20:52San Francisco
28 Apr
SFO11:25San Francisco
17h 55m
1 stop
LHR13:20London Heathrow
Delta
24 Apr
LHR06:30London Heathrow
13h 15m
1 stop
SFO11:45San Francisco
29 Apr
SFO12:30San Francisco
13h 20m
1 stop
LHR09:50London Heathrow
United Airlines
24 Apr
LHR14:05London Heathrow
15h 27m
1 stop
SFO21:32San Francisco
28 Apr
SFO00:09San Francisco
24h 21m
1 stop
LHR08:30London Heathrow

Best airlines flying from London to San Francisco

Compare and see reviews for airlines that fly from London to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Norse Atlantic UKPriceFrom £221Free CancellationRating
6.8
29 reviews
Search Norse Atlantic UK flights
Air FrancePriceFrom £310Free CancellationRating
7.5
1,829 reviews
Search Air France flights
Scandinavian AirlinesPriceFrom £329Free CancellationRating
7.4
1,434 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom £342Free CancellationRating
7.1
2,188 reviews
Search TAP AIR PORTUGAL flights
Brussels AirlinesPriceFrom £355Free CancellationRating
7.2
612 reviews
Search Brussels Airlines flights
American AirlinesPriceFrom £357Free CancellationRating
7.3
14,963 reviews
Search American Airlines flights
Air CanadaPriceFrom £369Free CancellationRating
7.0
6,831 reviews
Search Air Canada flights
DeltaPriceFrom £383Free CancellationRating
8.0
11,102 reviews
Search Delta flights
British AirwaysPriceFrom £383Free CancellationRating
6.8
6,936 reviews
Search British Airways flights
KLMPriceFrom £384Free CancellationRating
7.8
1,645 reviews
Search KLM flights
  • Delta Flights From London to San Francisco

    The lowest priced Delta flight from London to San Francisco from the last 72 hours was £477. Generally, Delta has 7 flights on this route every week with an average price of £706. Delta is rated 8.0/10 by our users.

  • KLM Flights From London to San Francisco

    KLM is also a popular choice for this route. KLM flight deals for London to San Francisco start from as low as £478 round-trip, depending on your selected dates, with average KLM deals seen on momondo around £753. KLM operates 7 flights to San Francisco from London in an average week. Users have rated it 7.8/10 across 1,645 reviews.


ITA Airways flights from London to San Francisco

Our best ITA Airways deals on London to San Francisco flight tickets
ITA Airways
4 May
LCY11:35London City
33h 40m
1 stop
SFO13:15San Francisco
19 May
SFO15:15San Francisco
17h 00m
1 stop
LCY16:15London City
ITA Airways
9 May
LCY16:50London City
28h 25m
1 stop
SFO13:15San Francisco
16 May
SFO15:15San Francisco
16h 55m
1 stop
LCY16:10London City
ITA Airways
25 Apr
LCY16:50London City
28h 25m
1 stop
SFO13:15San Francisco
5 May
SFO15:15San Francisco
17h 00m
1 stop
LCY16:15London City

Delta flights from London to San Francisco

Our best Delta deals on London to San Francisco flight tickets
Delta
24 Apr
LHR06:30London Heathrow
13h 15m
1 stop
SFO11:45San Francisco
29 Apr
SFO12:30San Francisco
13h 20m
1 stop
LHR09:50London Heathrow
Delta
24 Apr
LHR06:30London Heathrow
13h 15m
1 stop
SFO11:45San Francisco
29 Apr
SFO22:10San Francisco
10h 20m
LHR16:30London Heathrow
Delta
25 Apr
LHR06:15London Heathrow
14h 30m
1 stop
SFO12:45San Francisco
29 Apr
SFO18:59San Francisco
14h 16m
1 stop
LHR17:15London Heathrow

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

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 London to San Francisco?

February. The cheapest time of year to fly to San Francisco from London is February. The most expensive is July.

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

Wednesday. The cheapest day of the week is usually Wednesday. The most expensive is usually Sunday.

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

At midday. London to San Francisco flights are approximately 8% more expensive in the afternoon than at midday

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

Norse Atlantic UK. Air France, American Airlines, and British Airways are the most popular carriers operating from London to San Francisco

What is the cheapest London to San Francisco flight route?

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

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

42 days before. The cheapest time to buy a flight from London to San Francisco is approximately 42 days to departure

How many flights depart from London to San Francisco on average per day?

The number of flights available between London and San Francisco is 31 per day as of April 2024. The most frequent departure time is 09:00, with 59% of daily flights leaving at midday.

How many flights depart from London to San Francisco on average per week?

The number of flights available between London and San Francisco is 217 per week as of April 2024. The most frequent departure day is Monday, with 14% of weekly flights leaving on this day.

What cabin class options are available on London to San Francisco flights?

There are 3 cabin classes available to choose from on London to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to San Francisco flights?

You could potentially save up to 6% on your flight if you consider stops on a London to San Francisco flight.

Cheap London to San Francisco (LON to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to San Francisco

Best price found

£454

Fastest flight time

10h 55m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from London in the past 72 hours is £454. The best return flight deal from London to San Francisco found on momondo in the last 72 hours is £435.
The fastest flight from London to San Francisco takes 10h 55m
Direct flights go from London to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)

  • How far is London to San Francisco by plane?

    A flight from London to San Francisco will travel around 5349.7 mi. 10h 55m is a normal flight duration for this route.

  • When did momondo last update prices for flights from London to San Francisco Airport?

    Prices for flights from London to San Francisco Airport are updated daily.

  • How many operators does momondo search for flights from London to San Francisco Airport?

  • How old do you have to be to fly from London to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.


Why use momondo?

Why should I use momondo to find a flight deal from London to San Francisco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from London.

Can I find flights from London to San Francisco with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Francisco from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to San Francisco?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to San Francisco.

I’m not ready to book a flight from London to San Francisco right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


An easier way to manage your San Francisco trip

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ti. 23/4
ti. 30/4
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