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Cheap flights from San Francisco to London from £245

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to London departing on 11/10. 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
1 adult, Economy, 0 bags

Find the cheapest flights from San Francisco to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:10 - 18:05SFO  San Francisco-LTN London Luton
25h 55m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
Multiple Airlines Logo
18:05 - 15:21LTN  London Luton-SFO San Francisco
29h 16m3 stops Barcelona-El Prat Frankfurt am Main Vancouver Intl
£521Multiple Airlines
Mon, 12 Oct - Mon, 19 Oct
Multiple Airlines Logo
16:30 - 19:55SFO  San Francisco-LTN London Luton
19h 25m2 stops Frankfurt am Main Milan Malpensa
Multiple Airlines Logo
20:35 - 14:30LTN  London Luton-SFO San Francisco
25h 55m2 stops Milan Malpensa Frankfurt am Main
£523Multiple Airlines
Mon, 5 Oct - Thu, 8 Oct
Multiple Airlines Logo
08:10 - 11:00SFO  San Francisco-LTN London Luton
18h 50m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
Multiple Airlines Logo
18:05 - 15:21LTN  London Luton-SFO San Francisco
29h 16m3 stops Barcelona-El Prat Frankfurt am Main Vancouver Intl
£526Multiple Airlines
Mon, 12 Oct - Mon, 19 Oct
Multiple Airlines Logo
08:10 - 12:20SFO  San Francisco-LTN London Luton
20h 10m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
Multiple Airlines Logo
06:50 - 21:33LTN  London Luton-SFO San Francisco
21h 43m2 stops Barcelona-El Prat Montreal Pierre Elliott Trudeau Intl
£527Multiple Airlines
Wed, 14 Oct - Wed, 28 Oct
Multiple Airlines Logo
08:10 - 12:20SFO  San Francisco-LTN London Luton
20h 10m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
Multiple Airlines Logo
18:05 - 12:40LTN  London Luton-SFO San Francisco
26h 35m2 stops Barcelona-El Prat Frankfurt am Main
£530Multiple Airlines
Mon, 12 Oct - Mon, 19 Oct
Multiple Airlines Logo
08:10 - 12:25SFO  San Francisco-LTN London Luton
20h 15m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
Multiple Airlines Logo
17:45 - 15:21LTN  London Luton-SFO San Francisco
29h 36m3 stops Barcelona-El Prat Frankfurt am Main Vancouver Intl
£536Multiple Airlines
Tue, 6 Oct - Tue, 13 Oct
Multiple Airlines Logo
08:10 - 18:05SFO  San Francisco-LTN London Luton
25h 55m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
Multiple Airlines Logo
18:05 - 12:40LTN  London Luton-SFO San Francisco
26h 35m2 stops Barcelona-El Prat Frankfurt am Main
£537Multiple Airlines
Mon, 12 Oct - Mon, 19 Oct
Multiple Airlines Logo
08:10 - 12:25SFO  San Francisco-LTN London Luton
20h 15m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
Multiple Airlines Logo
17:45 - 15:21LTN  London Luton-SFO San Francisco
29h 36m3 stops Barcelona-El Prat Frankfurt am Main Vancouver Intl
£537Multiple Airlines
Tue, 6 Oct - Tue, 20 Oct
Multiple Airlines Logo
08:10 - 11:00SFO  San Francisco-LTN London Luton
18h 50m2 stops Montreal Pierre Elliott Trudeau Intl Barcelona-El Prat
Multiple Airlines Logo
18:05 - 15:21LTN  London Luton-SFO San Francisco
29h 16m3 stops Barcelona-El Prat Frankfurt am Main Vancouver Intl
£539Multiple Airlines
Tue, 29 Sep - Mon, 5 Oct
Multiple Airlines Logo
16:30 - 19:55SFO  San Francisco-LTN London Luton
19h 25m2 stops Frankfurt am Main Milan Malpensa
Multiple Airlines Logo
20:35 - 14:30LTN  London Luton-SFO San Francisco
25h 55m2 stops Milan Malpensa Frankfurt am Main
£539Multiple Airlines
Wed, 23 Sep - Wed, 30 Sep

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momondo Fare Finder

 
Customise your flight search to find flights from San Francisco to London Luton Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 13 August 2026.
Use the filters below to find and compare flights from San Francisco to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoLondon

SFO San Francisco - LTN London Luton

SFOLTN

San Francisco

Mon 12/10

08:10-18:05

2 stops25h 55m

London Luton

Mon 19/10

18:05-15:21

3 stops29h 16m

£521

San FranciscoLondon

SFO San Francisco - LTN London Luton

SFOLTN

San Francisco

Mon 5/10

16:30-19:55

2 stops19h 25m

London Luton

Thu 8/10

20:35-14:30

2 stops25h 55m

£523

San FranciscoLondon

SFO San Francisco - LTN London Luton

SFOLTN

San Francisco

Mon 12/10

08:10-11:00

2 stops18h 50m

London Luton

Mon 19/10

18:05-15:21

3 stops29h 16m

£526
Fastest return journey

San FranciscoLondon

SFO San Francisco - LTN London Luton

SFOLTN

San Francisco

Wed 14/10

08:10-12:20

2 stops20h 10m

London Luton

Wed 28/10

06:50-21:33

2 stops21h 43m

£527

San FranciscoLondon

SFO San Francisco - LTN London Luton

SFOLTN

San Francisco

Mon 12/10

08:10-12:20

2 stops20h 10m

London Luton

Mon 19/10

18:05-12:40

2 stops26h 35m

£530

San FranciscoLondon

SFO San Francisco - LTN London Luton

SFOLTN

San Francisco

Tue 6/10

08:10-12:25

2 stops20h 15m

London Luton

Tue 13/10

17:45-15:21

3 stops29h 36m

£536

San FranciscoLondon

SFO San Francisco - LTN London Luton

SFOLTN

San Francisco

Mon 12/10

08:10-18:05

2 stops25h 55m

London Luton

Mon 19/10

18:05-12:40

2 stops26h 35m

£537

San FranciscoLondon

SFO San Francisco - LTN London Luton

SFOLTN

San Francisco

Tue 6/10

08:10-12:25

2 stops20h 15m

London Luton

Tue 20/10

17:45-15:21

3 stops29h 36m

£537

San FranciscoLondon

SFO San Francisco - LTN London Luton

SFOLTN

San Francisco

Tue 29/9

08:10-11:00

2 stops18h 50m

London Luton

Mon 5/10

18:05-15:21

3 stops29h 16m

£539

San FranciscoLondon

SFO San Francisco - LTN London Luton

SFOLTN

San Francisco

Wed 23/9

16:30-19:55

2 stops19h 25m

London Luton

Wed 30/9

20:35-14:30

2 stops25h 55m

£539

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

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

How often are flights from San Francisco to London delayed?

Historically, on average around 0% of flights between San Francisco and London have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

What is the most punctual flight time for San Francisco to London flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

When to book flights from San Francisco to London Luton Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to London Luton Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Francisco to London Luton Airport (SFO to LTN) flight deals and tips

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

Fastest flight time

14h 45m

Direct flights

None
The fastest flight from San Francisco to London Luton Airport takes 14h 45m
There are no direct flights from San Francisco to London Luton Airport. There are no popular flight routes from San Francisco to London Luton Airport.
Search flight deals

Frequently asked questions about flying from San Francisco to London Luton Airport

  • How far is San Francisco to London Luton by plane?

    London Luton is 5323.9 mi away from San Francisco. In terms of flight time, this usually takes a little over 14h 45m.

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

    Prices for flights from San Francisco Airport to London Luton Airport were last updated today.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to London Luton Airport.

  • What documentation or ID do you need to fly to London Luton Airport?

    The travel and health documents required for your trip to London Luton Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Luton Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Wembley
Gatwick
Milton Keynes
Luton
Southend-on-Sea
Slough
Ipswich
Maidstone
Folkestone
Ilford
Hastings
Canterbury
Chichester
Hayes
Guildford
Bedford
Harlow
Colchester
Chelmsford

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to London for you.

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

Yes. momondo allows you to filter the results for San Francisco to London flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between San Francisco and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from San Francisco and alert you when they change.

An easier way to manage your London Luton Airport trip

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