Cheap flights from London Luton Airport to San Francisco from £430

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Luton Airport to San Francisco departing on 1/10. 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
1 adult, Economy, 0 bags
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Find the cheapest flights from London Luton Airport to San Francisco

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:35 - 14:30
LTN
-
SFO
25h 55m
2 stops
Multiple Airlines Logo
16:30 - 19:55
SFO
-
LTN
19h 25m
2 stops
£476Multiple Airlines
Mon, 21 Sep - Wed, 30 Sep
Multiple Airlines Logo
20:50 - 13:15
LTN
-
SFO
24h 25m
2 stops
Multiple Airlines Logo
15:15 - 20:10
SFO
-
LTN
20h 55m
2 stops
£478Multiple Airlines
Mon, 21 Sep - Tue, 29 Sep
Multiple Airlines Logo
15:15 - 14:40
LTN
-
SFO
31h 25m
2 stops
Multiple Airlines Logo
16:45 - 19:55
SFO
-
LTN
19h 10m
2 stops
£485Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
21:50 - 14:30
LTN
-
SFO
24h 40m
2 stops
Multiple Airlines Logo
16:30 - 21:05
SFO
-
LTN
20h 35m
2 stops
£488Multiple Airlines
Mon, 14 Sep - Mon, 28 Sep
Multiple Airlines Logo
21:50 - 14:30
LTN
-
SFO
24h 40m
2 stops
Multiple Airlines Logo
16:30 - 21:05
SFO
-
LTN
20h 35m
2 stops
£489Multiple Airlines
Mon, 31 Aug - Thu, 10 Sep
Multiple Airlines Logo
15:50 - 14:40
LTN
-
SFO
30h 50m
3 stops
Multiple Airlines Logo
16:45 - 22:10
SFO
-
LTN
21h 25m
2 stops
£494Multiple Airlines
Thu, 27 Aug - Tue, 8 Sep
Multiple Airlines Logo
20:50 - 14:30
LTN
-
SFO
25h 40m
2 stops
Multiple Airlines Logo
16:30 - 20:10
SFO
-
LTN
19h 40m
2 stops
£495Multiple Airlines
Wed, 9 Sep - Wed, 16 Sep
Multiple Airlines Logo
15:15 - 14:40
LTN
-
SFO
31h 25m
3 stops
Multiple Airlines Logo
16:45 - 19:55
SFO
-
LTN
19h 10m
2 stops
£497Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Multiple Airlines Logo
20:50 - 14:30
LTN
-
SFO
25h 40m
2 stops
Multiple Airlines Logo
16:30 - 20:15
SFO
-
LTN
19h 45m
2 stops
£521Multiple Airlines
Thu, 24 Sep - Mon, 5 Oct
Multiple Airlines Logo
20:50 - 14:30
LTN
-
SFO
25h 40m
2 stops
Multiple Airlines Logo
16:30 - 20:15
SFO
-
LTN
19h 45m
2 stops
£523Multiple Airlines
Thu, 24 Sep - Mon, 5 Oct

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Customise your flight search to find flights from London Luton Airport 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, momondo users made 279,928 searches. Data last updated 30 June 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 - SFO

LTNSFO

London Luton

Mon 21/9

20:35-14:30

2 stops25h 55m

San Francisco

Wed 30/9

16:30-19:55

2 stops19h 25m

£476

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Mon 21/9

20:50-13:15

2 stops24h 25m

San Francisco

Tue 29/9

15:15-20:10

2 stops20h 55m

£478

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Mon 28/9

15:15-14:40

2 stops31h 25m

San Francisco

Mon 5/10

16:45-19:55

2 stops19h 10m

£485
Fastest return journey

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Mon 14/9

21:50-14:30

2 stops24h 40m

San Francisco

Mon 28/9

16:30-21:05

2 stops20h 35m

£488

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Mon 31/8

21:50-14:30

2 stops24h 40m

San Francisco

Thu 10/9

16:30-21:05

2 stops20h 35m

£489

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Thu 27/8

15:50-14:40

3 stops30h 50m

San Francisco

Tue 8/9

16:45-22:10

2 stops21h 25m

£494

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Wed 9/9

20:50-14:30

2 stops25h 40m

San Francisco

Wed 16/9

16:30-20:10

2 stops19h 40m

£495

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Mon 28/9

15:15-14:40

3 stops31h 25m

San Francisco

Mon 5/10

16:45-19:55

2 stops19h 10m

£497

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Thu 24/9

20:50-14:30

2 stops25h 40m

San Francisco

Mon 5/10

16:30-20:15

2 stops19h 45m

£521

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Thu 24/9

20:50-14:30

2 stops25h 40m

San Francisco

Mon 5/10

16:30-20:15

2 stops19h 45m

£523

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from London Luton Airport to San Francisco

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

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart on your flight to San Francisco is on a Wednesday when prices can be found for as low as £600. This is often the case because there is less demand to fly during this day of the week. Flights from London Luton Airport to San Francisco on a Sunday will generally be more expensive and average around £705. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San Francisco?

Our most recent data shows that the best time of day to fly to San Francisco is in the morning. Flights from London Luton Airport to San Francisco during this time can be as low as £601. Try not to purchase tickets at midday because they tend to be around £779. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from London Luton Airport to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from London Luton Airport to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Luton Airport to San Francisco (LTN to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Luton Airport to San Francisco

Fastest flight time

14h 55m

Direct flights

None
The fastest flight from London Luton Airport to San Francisco takes 14h 55m
There are no direct flights from London Luton Airport to San Francisco. There are no popular flight routes from London Luton Airport to San Francisco.

Frequently asked questions about flying from London Luton Airport to San Francisco

  • How far is London Luton to San Francisco by plane?

    The straight-line distance from London Luton to San Francisco is 5323.9 mi. Typically, this will take 14h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from London Luton Airport to San Francisco Airport?

    Prices for flights from London Luton Airport to San Francisco Airport refresh daily.

  • How old do you have to be to fly from London Luton Airport to San Francisco Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Luton Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Sunnyvale
Santa Cruz
Rohnert Park
Windsor
Belmont
Big Sur
Capitola
Sausalito
San Bruno
Woodland
Pacific Grove
Aptos
Newark
Mill Valley
Campbell
Palo Alto
Seaside
Roseville
Novato

Why use momondo?

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

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 London to San Francisco for you.

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

Yes. momondo allows you to filter the results for London to San Francisco flights to just show those with flexible booking policies.

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

Once you have performed a search for London to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for London to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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