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Cheap flights from San Francisco to London from $354

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 11/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Francisco to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:40 pm - 8:10 pmSFO-LTN
21h 30m2 stops
Multiple Airlines Logo
8:50 pm - 12:40 pmLTN-SFO
23h 50m2 stops
$585Multiple Airlines
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Mon, Jan 12 - Tue, Jan 27
Multiple Airlines Logo
8:25 am - 10:20 pmSFO-LTN
29h 55m2 stops
Multiple Airlines Logo
5:00 pm - 12:40 pmLTN-SFO
27h 40m2 stops
$588Multiple Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
Multiple Airlines Logo
7:25 pm - 10:20 pmSFO-LTN
18h 55m2 stops
Multiple Airlines Logo
8:50 pm - 12:40 pmLTN-SFO
23h 50m2 stops
$590Multiple Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 14
Multiple Airlines Logo
11:20 am - 7:55 pmSFO-LTN
24h 35m3 stops
Multiple Airlines Logo
8:50 pm - 12:40 pmLTN-SFO
23h 50m2 stops
$592Multiple Airlines
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Sun, Nov 30 - Sat, Dec 6
Multiple Airlines Logo
4:40 pm - 6:10 pmSFO-LTN
17h 30m2 stops
Multiple Airlines Logo
1:25 pm - 2:35 pmLTN-SFO
33h 10m2 stops
$594Multiple Airlines
Find Deal
Thu, Feb 12 - Fri, Feb 20
Multiple Airlines Logo
8:25 am - 2:00 pmSFO-LTN
21h 35m2 stops
Multiple Airlines Logo
8:50 pm - 9:22 pmLTN-SFO
32h 32m3 stops
$596Multiple Airlines
Find Deal
Sat, Nov 15 - Mon, Dec 1
Multiple Airlines Logo
8:25 am - 10:25 pmSFO-LTN
30h 00m3 stops
Multiple Airlines Logo
6:50 am - 9:22 pmLTN-SFO
22h 32m2 stops
$597Multiple Airlines
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Tue, Nov 25 - Thu, Dec 11
Multiple Airlines Logo
4:40 pm - 10:00 pmSFO-LTN
21h 20m2 stops
Multiple Airlines Logo
1:05 pm - 2:35 pmLTN-SFO
33h 30m2 stops
$598Multiple Airlines
Find Deal
Sun, Nov 2 - Fri, Nov 7
Multiple Airlines Logo
8:25 am - 10:25 pmSFO-LTN
30h 00m3 stops
Multiple Airlines Logo
6:50 am - 9:22 pmLTN-SFO
22h 32m2 stops
$604Multiple Airlines
Find Deal
Tue, Nov 25 - Thu, Dec 11
Multiple Airlines Logo
2:40 pm - 10:25 pmSFO-LTN
23h 45m2 stops
Multiple Airlines Logo
6:50 am - 7:35 pmLTN-SFO
20h 45m2 stops
$607Multiple Airlines
Find Deal
Tue, Nov 25 - Wed, Dec 10

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated October 16, 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

Mon 1/12

2:40 pm-8:10 pm

2 stops21h 30m

London Luton

Tue 1/27

8:50 pm-12:40 pm

2 stops23h 50m

$585

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Wed 11/12

8:25 am-10:20 pm

2 stops29h 55m

London Luton

Wed 11/19

5:00 pm-12:40 pm

2 stops27h 40m

$588

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Wed 1/7

7:25 pm-10:20 pm

2 stops18h 55m

London Luton

Wed 1/14

8:50 pm-12:40 pm

2 stops23h 50m

$590

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Sun 11/30

11:20 am-7:55 pm

3 stops24h 35m

London Luton

Sat 12/6

8:50 pm-12:40 pm

2 stops23h 50m

$592

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Thu 2/12

4:40 pm-6:10 pm

2 stops17h 30m

London Luton

Fri 2/20

1:25 pm-2:35 pm

2 stops33h 10m

$594

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Sat 11/15

8:25 am-2:00 pm

2 stops21h 35m

London Luton

Mon 12/1

8:50 pm-9:22 pm

3 stops32h 32m

$596

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 11/25

8:25 am-10:25 pm

3 stops30h 00m

London Luton

Thu 12/11

6:50 am-9:22 pm

2 stops22h 32m

$597

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Sun 11/2

4:40 pm-10:00 pm

2 stops21h 20m

London Luton

Fri 11/7

1:05 pm-2:35 pm

2 stops33h 30m

$598

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 11/25

8:25 am-10:25 pm

3 stops30h 00m

London Luton

Thu 12/11

6:50 am-9:22 pm

2 stops22h 32m

$604

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 11/25

2:40 pm-10:25 pm

2 stops23h 45m

London Luton

Wed 12/10

6:50 am-7:35 pm

2 stops20h 45m

$607

Flights are sorted by cheapest round-trip 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

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 round-trip 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.
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  • How far is San Francisco to London Luton by plane?

    London Luton is 5323.7 mi away from San Francisco. A reasonable flight in good conditions will take 15h 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 refresh daily.

  • 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.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Dartford
Crawley
Hayes
Brentwood
Chelmsford
Colchester
Folkestone
Romford
Ilford
Cobham
Wembley
Stansted
Watford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to London. momondo saves you time and could save you money on your trip.

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

Yes. All flights to London from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from San Francisco.

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

Of course. momondo tracks the price of San Francisco to London 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 London Luton Airport trip

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