Latest deals
When to book
FAQs
Price Alerts

Cheap flights from San Francisco to London from £246

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 25/9. 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
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Francisco to London (SFO-LTN)

Cheap return flights

Logo
08:30 - 11:45SFO-LTN
19h 15m2 stops
Logo
16:00 - 16:10LTN-SFO
32h 10m2 stops
£392
Find Deal
Wed, 24 Sep - Mon, 6 Oct
Logo
08:30 - 12:20SFO-LTN
19h 50m2 stops
Logo
18:10 - 16:10LTN-SFO
30h 00m2 stops
£402
Find Deal
Tue, 30 Sep - Tue, 7 Oct
Logo
08:30 - 12:20SFO-LTN
19h 50m2 stops
Logo
06:40 - 19:00LTN-SFO
20h 20m2 stops
£403
Find Deal
Mon, 6 Oct - Thu, 16 Oct
Logo
08:30 - 12:20SFO-LTN
19h 50m2 stops
Logo
16:00 - 16:10LTN-SFO
32h 10m2 stops
£404
Find Deal
Mon, 29 Sep - Mon, 6 Oct
Logo
08:30 - 12:20SFO-LTN
19h 50m2 stops
Logo
18:10 - 16:10LTN-SFO
30h 00m2 stops
£412
Find Deal
Tue, 30 Sep - Tue, 7 Oct
Logo
16:40 - 22:55SFO-LTN
22h 15m2 stops
Logo
14:40 - 14:35LTN-SFO
31h 55m2 stops
£422
Find Deal
Sat, 15 Nov - Sun, 23 Nov
Logo
08:30 - 11:45SFO-LTN
19h 15m2 stops
Logo
17:00 - 13:40LTN-SFO
27h 40m2 stops
£426
Find Deal
Wed, 22 Oct - Wed, 29 Oct
Logo
08:25 - 19:25SFO-LTN
27h 00m2 stops
Logo
20:05 - 12:40LTN-SFO
24h 35m2 stops
£431
Find Deal
Mon, 10 Nov - Mon, 17 Nov
Logo
08:30 - 15:35SFO-LTN
23h 05m2 stops
Logo
18:10 - 12:40LTN-SFO
26h 30m2 stops
£436
Find Deal
Sun, 21 Sep - Tue, 30 Sep
Logo
19:30 - 23:35SFO-LTN
20h 05m2 stops
Logo
18:10 - 12:40LTN-SFO
26h 30m2 stops
£437
Find Deal
Tue, 23 Sep - Tue, 7 Oct

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 4 September 2025.
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

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Wed 24/9

08:30-11:45

2 stops19h 15m

London Luton

Mon 6/10

16:00-16:10

2 stops32h 10m

£392

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 30/9

08:30-12:20

2 stops19h 50m

London Luton

Tue 7/10

18:10-16:10

2 stops30h 00m

£402

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Mon 6/10

08:30-12:20

2 stops19h 50m

London Luton

Thu 16/10

06:40-19:00

2 stops20h 20m

£403

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Mon 29/9

08:30-12:20

2 stops19h 50m

London Luton

Mon 6/10

16:00-16:10

2 stops32h 10m

£404

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 30/9

08:30-12:20

2 stops19h 50m

London Luton

Tue 7/10

18:10-16:10

2 stops30h 00m

£412

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Sat 15/11

16:40-22:55

2 stops22h 15m

London Luton

Sun 23/11

14:40-14:35

2 stops31h 55m

£422

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Wed 22/10

08:30-11:45

2 stops19h 15m

London Luton

Wed 29/10

17:00-13:40

2 stops27h 40m

£426

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Mon 10/11

08:25-19:25

2 stops27h 00m

London Luton

Mon 17/11

20:05-12:40

2 stops24h 35m

£431

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Sun 21/9

08:30-15:35

2 stops23h 05m

London Luton

Tue 30/9

18:10-12:40

2 stops26h 30m

£436

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 23/9

19:30-23:35

2 stops20h 05m

London Luton

Tue 7/10

18:10-12:40

2 stops26h 30m

£437

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

Direct flights

None
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

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

    London Luton is 5323.7 mi away from San Francisco. In terms of flight time, this usually takes a little over 14h 00m.

  • 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.

  • How do I get Price Alerts for flights from San Francisco to London Luton Airport?

    Search flight deals from San Francisco to London Luton Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from San Francisco to London Luton Airport with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Maidstone
Gatwick
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Worthing
Chelmsford
Dover
Hayes
Dartford
Hounslow
Winchester
Folkestone

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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 9/9
Tue 16/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London