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Cheap flights from San Francisco to London from $483

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 5/20. 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
6:00 am - 6:30 pm
SFO
-
LTN
28h 30m
3 stops
Multiple Airlines Logo
4:30 pm - 2:30 pm
LTN
-
SFO
30h 00m
2 stops
$859Multiple Airlines
Tue, Jul 21 - Wed, Sep 9
Multiple Airlines Logo
6:15 pm - 1:45 pm
SFO
-
LTN
35h 30m
1 stop
Multiple Airlines Logo
8:00 am - 2:35 pm
LTN
-
SFO
38h 35m
2 stops
$865Multiple Airlines
Mon, Aug 3 - Tue, Sep 15
Multiple Airlines Logo
4:30 pm - 7:55 pm
SFO
-
LTN
19h 25m
2 stops
Multiple Airlines Logo
8:35 pm - 2:30 pm
LTN
-
SFO
25h 55m
2 stops
$868Multiple Airlines
Tue, Jun 2 - Mon, Jun 15
Multiple Airlines Logo
8:10 am - 6:05 pm
SFO
-
LTN
25h 55m
3 stops
Multiple Airlines Logo
5:40 am - 12:07 am
LTN
-
SFO
26h 27m
3 stops
$870Multiple Airlines
Wed, Aug 5 - Wed, Aug 19
Multiple Airlines Logo
6:00 am - 10:50 pm
SFO
-
LTN
32h 50m
3 stops
Multiple Airlines Logo
6:20 am - 5:35 pm
LTN
-
SFO
19h 15m
2 stops
$884Multiple Airlines
Tue, Jul 7 - Sat, Sep 5
Multiple Airlines Logo
8:10 am - 11:00 am
SFO
-
LTN
18h 50m
2 stops
Multiple Airlines Logo
5:45 pm - 12:40 pm
LTN
-
SFO
26h 55m
2 stops
$888Multiple Airlines
Mon, Aug 3 - Tue, Aug 18
Multiple Airlines Logo
8:05 am - 12:30 am
SFO
-
LTN
32h 25m
3 stops
Multiple Airlines Logo
5:30 pm - 1:35 pm
LTN
-
SFO
28h 05m
2 stops
$891Multiple Airlines
Mon, May 18 - Thu, May 28
Multiple Airlines Logo
4:30 pm - 7:55 pm
SFO
-
LTN
19h 25m
2 stops
Multiple Airlines Logo
8:35 pm - 2:30 pm
LTN
-
SFO
25h 55m
2 stops
$894Multiple Airlines
Tue, Jun 2 - Mon, Jun 15
Multiple Airlines Logo
8:30 am - 10:25 pm
SFO
-
LTN
29h 55m
2 stops
Multiple Airlines Logo
9:40 am - 12:00 pm
LTN
-
SFO
34h 20m
3 stops
$905Multiple Airlines
Tue, Jun 2 - Tue, Jun 16
Multiple Airlines Logo
8:05 am - 10:55 pm
SFO
-
LTN
30h 50m
2 stops
Multiple Airlines Logo
5:30 pm - 1:35 pm
LTN
-
SFO
28h 05m
2 stops
$906Multiple Airlines
Mon, May 18 - Thu, May 28

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 May 13, 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 round-trip

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 7/21

6:00 am-6:30 pm

3 stops28h 30m

London Luton

Wed 9/9

4:30 pm-2:30 pm

2 stops30h 00m

$859

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Mon 8/3

6:15 pm-1:45 pm

1 stop35h 30m

London Luton

Tue 9/15

8:00 am-2:35 pm

2 stops38h 35m

$865
Quickest round-trip

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 6/2

4:30 pm-7:55 pm

2 stops19h 25m

London Luton

Mon 6/15

8:35 pm-2:30 pm

2 stops25h 55m

$868

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Wed 8/5

8:10 am-6:05 pm

3 stops25h 55m

London Luton

Wed 8/19

5:40 am-12:07 am

3 stops26h 27m

$870

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 7/7

6:00 am-10:50 pm

3 stops32h 50m

London Luton

Sat 9/5

6:20 am-5:35 pm

2 stops19h 15m

$884

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Mon 8/3

8:10 am-11:00 am

2 stops18h 50m

London Luton

Tue 8/18

5:45 pm-12:40 pm

2 stops26h 55m

$888

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Mon 5/18

8:05 am-12:30 am

3 stops32h 25m

London Luton

Thu 5/28

5:30 pm-1:35 pm

2 stops28h 05m

$891

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 6/2

4:30 pm-7:55 pm

2 stops19h 25m

London Luton

Mon 6/15

8:35 pm-2:30 pm

2 stops25h 55m

$894

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 6/2

8:30 am-10:25 pm

2 stops29h 55m

London Luton

Tue 6/16

9:40 am-12:00 pm

3 stops34h 20m

$905

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Mon 5/18

8:05 am-10:55 pm

2 stops30h 50m

London Luton

Thu 5/28

5:30 pm-1:35 pm

2 stops28h 05m

$906

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

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 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 which experiences the fewest number of 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 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

Fastest flight time

19h 00m

Direct flights

None
The fastest flight from San Francisco to London Luton Airport takes 19h 00m
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. A reasonable flight in good conditions will take 19h 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 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
Hounslow
Gatwick
Milton Keynes
Dover
Luton
Hayes
Crawley
Wembley
Slough
Croydon
Stansted
Watford
Harrow
Brentwood
Dartford
Cobham
Folkestone
Romford
Uxbridge
Guildford

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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