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Cheap flights from San Francisco to London Luton Airport from £276

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LTN
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to Luton

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Luton
Explore the most affordable flight options available from San Francisco to Luton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.

Tue 21/417:35
SFO
-
LTN
1 stop13h 55m
Multiple Airlines
Wed 29/406:15
LTN
-
SFO
1 stop17h 35m
Multiple Airlines
Deal found 20/1£450
Sun 1/208:30
SFO
-
LTN
2 stops19h 15m
Multiple Airlines
Sat 7/216:40
LTN
-
SFO
2 stops28h 00m
Multiple Airlines
Deal found 20/1£452
Wed 25/318:20
SFO
-
LTN
1 stop15h 45m
Multiple Airlines
Wed 1/406:15
LTN
-
SFO
1 stop17h 35m
Multiple Airlines
Deal found 21/1£453
Thu 5/216:40
SFO
-
LTN
2 stops19h 30m
Multiple Airlines
Sun 8/214:40
LTN
-
SFO
2 stops31h 55m
Multiple Airlines
Deal found 20/1£453
Wed 25/217:20
SFO
-
LTN
1 stop15h 45m
Multiple Airlines
Wed 4/306:50
LTN
-
SFO
1 stop16h 45m
Multiple Airlines
Deal found 19/1£455
Tue 19/519:40
SFO
-
LTN
1 stop18h 05m
Multiple Airlines
Thu 28/505:40
LTN
-
SFO
1 stop20h 15m
Multiple Airlines
Deal found 20/1£456
Wed 22/413:20
SFO
-
LTN
3 stops25h 20m
Multiple Airlines
Mon 27/412:45
LTN
-
SFO
2 stops31h 55m
Multiple Airlines
Deal found 21/1£457
Wed 15/417:35
SFO
-
LTN
1 stop13h 50m
Multiple Airlines
Wed 22/406:15
LTN
-
SFO
1 stop17h 35m
Multiple Airlines
Deal found 20/1£461
Fri 6/214:40
SFO
-
LTN
2 stops21h 30m
Multiple Airlines
Fri 13/205:50
LTN
-
SFO
2 stops23h 49m
Multiple Airlines
Deal found 20/1£462
Sun 25/118:20
SFO
-
LTN
1 stop14h 25m
Multiple Airlines
Tue 10/209:00
LTN
-
SFO
1 stop14h 35m
Multiple Airlines
Deal found 19/1£462

Find flight deals from San Francisco to Luton

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Luton (LTN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 January 2026.

Round-trip from

£450

One-way from

£276

Popular in

June

Cheapest in

September

Average price

£491
21/4-29/4
  • 21/4-29/4
  • 2 total stops
  • 31h 30m total
  • San Francisco to London
Search Deals
7/2
  • 7/2
  • 3 total stops
  • 30h 45m total
  • San Francisco to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£85 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from San Francisco to Luton 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, Cheapflights users made 858,174 searches. Data last updated 22 January 2026.
Use the filters below to find and compare flights from San Francisco to London Luton Airport that are best for you.

Fly from

San Francisco

Fly to

Luton

Route

Depart

Return

Price

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Tue 21/4

17:35-15:30

1 stop13h 55m

London Luton

Wed 29/4

06:15-15:50

1 stop17h 35m

£450

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Wed 25/3

18:20-17:05

1 stop15h 45m

London Luton

Wed 1/4

06:15-15:50

1 stop17h 35m

£453

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Thu 5/2

16:40-20:10

2 stops19h 30m

London Luton

Sun 8/2

14:40-14:35

2 stops31h 55m

£454

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Wed 22/4

13:20-22:40

3 stops25h 20m

London Luton

Mon 27/4

12:45-12:40

2 stops31h 55m

£457

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Sun 1/3

18:20-16:45

1 stop14h 25m

London Luton

Tue 10/3

09:00-16:35

1 stop14h 35m

£463

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Mon 13/4

17:35-22:50

1 stop21h 15m

London Luton

Mon 20/4

08:15-15:50

1 stop15h 35m

£489

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Mon 2/2

16:35-20:10

2 stops19h 35m

London Luton

Thu 5/2

20:50-16:05

2 stops27h 15m

£490

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Thu 16/4

14:40-19:40

2 stops21h 00m

London Luton

Tue 21/4

05:40-17:55

1 stop20h 15m

£491

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Wed 18/3

18:20-17:05

1 stop15h 45m

London Luton

Wed 25/3

06:50-16:35

1 stop16h 45m

£491

San FranciscoLondon

SFO - LTN

SFOLTN

San Francisco

Wed 25/3

18:20-17:05

1 stop15h 45m

London Luton

Mon 30/3

08:15-15:50

1 stop15h 35m

£494

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 22 results
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Best time to book a flight from San Francisco to Luton

Have a flexible travel schedule? Discover the best time to fly to Luton from San Francisco with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to London Luton Airport

How often are flights from San Francisco to London delayed?

About 0% of weekly flights between San Francisco and London have experienced delays in the past year, with the average delay time being 0 minutes.

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

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

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

Friday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Luton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Francisco to London Luton?

    Most people fly from San Francisco (SFO) if they book a flight from San Francisco to London Luton. On average, San Francisco has 0 outbound flights to London Luton per day from 0 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • Can I find deals for flights from San Francisco to Luton that include hotel bookings?

    Yes. In addition to deals on San Francisco to Luton flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Luton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Luton.

  • Can I find deals for business class flights from San Francisco to Luton?

    Yes. Cheapflights offers flight deals from San Francisco to Luton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near London Luton Airport?

Book flights to London Luton Airport if you plan to visit one of these locations
Milton Keynes
Luton
Croydon
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Bedford
Kingston upon Thames
Chelmsford
Eastbourne
Romford
Folkestone
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to Luton

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Luton?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Luton from San Francisco today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Luton?

Millions of users choose and trust Cheapflights to book the best flight deals from San Francisco to Luton for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from San Francisco to Luton with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to Luton, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Francisco to Luton become cheaper?

Of course! You can now track prices for flights from San Francisco to Luton and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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