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Cheap flights from San Francisco to London from £272

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 10/3. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:45 - 00:30
SFO
-
LTN
23h 45m
3 stops
Multiple Airlines Logo
14:25 - 14:40
LTN
-
SFO
32h 15m
2 stops
£442Multiple Airlines
Fri, 17 Apr - Sat, 25 Apr
Multiple Airlines Logo
16:45 - 23:00
SFO
-
LTN
22h 15m
2 stops
Multiple Airlines Logo
13:00 - 14:40
LTN
-
SFO
33h 40m
2 stops
£444Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
Multiple Airlines Logo
08:30 - 19:25
SFO
-
LTN
26h 55m
3 stops
Multiple Airlines Logo
20:50 - 12:40
LTN
-
SFO
23h 50m
2 stops
£447Multiple Airlines
Wed, 25 Feb - Mon, 2 Mar
Multiple Airlines Logo
08:30 - 19:25
SFO
-
LTN
27h 55m
3 stops
Multiple Airlines Logo
20:50 - 20:35
LTN
-
SFO
30h 45m
2 stops
£451Multiple Airlines
Wed, 18 Mar - Tue, 24 Mar
Multiple Airlines Logo
16:45 - 23:20
SFO
-
LTN
22h 35m
2 stops
Multiple Airlines Logo
12:45 - 14:40
LTN
-
SFO
33h 55m
2 stops
£455Multiple Airlines
Sun, 26 Apr - Thu, 7 May
Multiple Airlines Logo
16:45 - 00:30
SFO
-
LTN
23h 45m
3 stops
Multiple Airlines Logo
14:25 - 14:40
LTN
-
SFO
32h 15m
3 stops
£456Multiple Airlines
Fri, 17 Apr - Sat, 25 Apr
Multiple Airlines Logo
13:20 - 21:45
SFO
-
LTN
24h 25m
3 stops
Multiple Airlines Logo
05:40 - 21:21
LTN
-
SFO
23h 41m
2 stops
£458Multiple Airlines
Tue, 21 Apr - Tue, 28 Apr
Multiple Airlines Logo
13:20 - 21:45
SFO
-
LTN
24h 25m
3 stops
Multiple Airlines Logo
05:40 - 21:21
LTN
-
SFO
23h 41m
2 stops
£459Multiple Airlines
Tue, 21 Apr - Tue, 28 Apr
Multiple Airlines Logo
19:40 - 21:45
SFO
-
LTN
18h 05m
1 stop
Multiple Airlines Logo
05:40 - 17:55
LTN
-
SFO
20h 15m
1 stop
£459Multiple Airlines
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
20:25 - 22:25
SFO
-
LTN
19h 00m
2 stops
Multiple Airlines Logo
17:00 - 13:40
LTN
-
SFO
27h 40m
2 stops
£462Multiple Airlines
Tue, 10 Mar - Tue, 17 Mar

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 7 February 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

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Fri 17/4

16:45-00:30

3 stops23h 45m

London Luton

Sat 25/4

14:25-14:40

2 stops32h 15m

£442

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Mon 20/4

16:45-23:00

2 stops22h 15m

London Luton

Mon 27/4

13:00-14:40

2 stops33h 40m

£444

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Wed 25/2

08:30-19:25

3 stops26h 55m

London Luton

Mon 2/3

20:50-12:40

2 stops23h 50m

£447

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Wed 18/3

08:30-19:25

3 stops27h 55m

London Luton

Tue 24/3

20:50-20:35

2 stops30h 45m

£451

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Sun 26/4

16:45-23:20

2 stops22h 35m

London Luton

Thu 7/5

12:45-14:40

2 stops33h 55m

£455

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Fri 17/4

16:45-00:30

3 stops23h 45m

London Luton

Sat 25/4

14:25-14:40

3 stops32h 15m

£456

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 21/4

13:20-21:45

3 stops24h 25m

London Luton

Tue 28/4

05:40-21:21

2 stops23h 41m

£458

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 21/4

13:20-21:45

3 stops24h 25m

London Luton

Tue 28/4

05:40-21:21

2 stops23h 41m

£459

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 5/5

19:40-21:45

1 stop18h 05m

London Luton

Tue 12/5

05:40-17:55

1 stop20h 15m

£459

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 10/3

20:25-22:25

2 stops19h 00m

London Luton

Tue 17/3

17:00-13:40

2 stops27h 40m

£462

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 evening 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. Saturday 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

15h 25m

Direct flights

None
The fastest flight from San Francisco to London Luton Airport takes 15h 25m
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 15h 25m.

  • 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
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Dover
Folkestone
Bedford
Colchester
Wembley
Worthing
Ramsgate

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.
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