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Cheap flights from London Luton Airport to San Francisco from £360

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
LTN — SFO
13 Sep — 20 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Luton to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Luton to San Francisco
Explore the most affordable flight options available from Luton to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2026.

Tue 22/920:55 -
2 stops24h 20m
Wed 30/915:15 -
2 stops20h 55m
Deal found 10/8£455
Mon 28/914:25 -
2 stops32h 15m
Mon 5/1016:45 -
2 stops22h 05m
Deal found 14/8£470

Find flight deals from Luton to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Luton (LTN) to San Francisco (SFO). 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 14 August 2026.

Round-trip from

£455

One-way from

£360

Popular in

December

Cheapest in

February

Average price

£599
22/9-30/9
  • 22/9-30/9
  • 4 total stops
  • 45h 15m total
  • London to San Francisco
Search Deals
21/9
  • 21/9
  • 2 total stops
  • 32h 35m total
  • London to San Francisco
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£2 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Luton to San Francisco 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 14 August 2026.
Use the filters below to find and compare flights from London Luton Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Mon 28/9

14:25-14:40

2 stops32h 15m

San Francisco

Mon 5/10

16:45-22:50

2 stops22h 05m

£479

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Mon 16/11

19:05-11:45

2 stops24h 40m

San Francisco

Thu 26/11

13:50-23:55

2 stops26h 05m

£533

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Thu 24/9

21:50-13:15

1 stop23h 25m

San Francisco

Wed 7/10

15:15-21:05

1 stop21h 50m

£587

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Wed 2/9

18:10-14:30

2 stops28h 20m

San Francisco

Wed 7/10

07:10-16:35

3 stops25h 25m

£607

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Tue 8/9

21:50-13:15

1 stop23h 25m

San Francisco

Mon 21/9

15:15-21:05

1 stop21h 50m

£610

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Mon 7/9

21:50-13:15

1 stop23h 25m

San Francisco

Mon 14/9

15:15-21:05

1 stop21h 50m

£639

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Thu 17/9

21:50-16:15

2 stops26h 25m

San Francisco

Mon 21/9

08:10-14:00

2 stops21h 50m

£640

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Fri 4/9

06:05-18:00

1 stop19h 55m

San Francisco

Mon 7/9

20:10-22:15

1 stop18h 05m

£647

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Mon 19/10

18:05-11:45

2 stops25h 40m

San Francisco

Tue 27/10

11:25-17:35

3 stops23h 10m

£654

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Sat 12/9

06:20-20:47

2 stops22h 27m

San Francisco

Sat 19/9

08:30-14:05

2 stops21h 35m

£663

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Luton to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Luton 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 London Luton Airport to San Francisco

How often are flights from London to San Francisco delayed?

About 100% of weekly flights between London and San Francisco have experienced delays in the past year, with the average delay time being 70 minutes.

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

Historically, flights departing in the morning 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?

Monday tends to have the lowest number of delays on this route, whereas Friday 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 Luton to San Francisco. 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 into for flights to San Francisco from London Luton?

    For a flight from London Luton to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.0 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 0 inbound flights from London Luton per day. 0 airlines have flights to San Francisco from London Luton on a regular basis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Luton to San Francisco 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
San Bruno
Roseville
Newark
Bodega Bay
Sunnyvale
South San Francisco

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Alternative routes for Luton to San Francisco

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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 Luton to San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Luton to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Luton to San Francisco 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 Luton to San Francisco with no change fees?

Need flexible booking options for your flight to San Francisco from Luton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Luton to San Francisco flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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