How often are flights from London to San Francisco delayed?

Historically, on average around 100% of flights between London and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 94 minutes.

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

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

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.

£364 Cheap Flights from London Luton Airport to San Francisco in 2026

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Find the cheapest flights from London Luton Airport to San Francisco

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:50 - 14:35

LTN

SFO

32h 45m

2 stops

17:40 - 22:00

SFO

LTN

21h 20m

2 stops

£419Multiple Airlines

Mon, 2 Mar - Sun, 8 Mar

06:50 - 15:35

LTN

SFO

16h 45m

1 stop

17:20 - 23:05

SFO

LTN

21h 45m

1 stop

£467Multiple Airlines

Wed, 18 Feb - Wed, 25 Feb

06:00 - 15:35

LTN

SFO

17h 35m

1 stop

17:20 - 16:05

SFO

LTN

14h 45m

1 stop

£482Multiple Airlines

Sat, 21 Feb - Sat, 28 Feb

08:30 - 21:55

LTN

SFO

21h 25m

2 stops

17:35 - 22:50

SFO

LTN

21h 15m

1 stop

£487Multiple Airlines

Sun, 3 May - Mon, 18 May

08:30 - 21:55

LTN

SFO

21h 25m

2 stops

17:35 - 15:25

SFO

LTN

13h 50m

1 stop

£498Multiple Airlines

Sun, 3 May - Sun, 17 May

06:15 - 15:50

LTN

SFO

17h 35m

1 stop

17:35 - 21:40

SFO

LTN

20h 05m

1 stop

£509Multiple Airlines

Wed, 1 Apr - Sun, 12 Apr

08:15 - 15:50

LTN

SFO

15h 35m

1 stop

17:35 - 00:30

SFO

LTN

22h 55m

1 stop

£510Multiple Airlines

Mon, 6 Apr - Fri, 10 Apr

09:00 - 15:35

LTN

SFO

14h 35m

1 stop

17:20 - 20:05

SFO

LTN

18h 45m

1 stop

£511Multiple Airlines

Tue, 17 Feb - Tue, 24 Feb

06:15 - 15:50

LTN

SFO

17h 35m

1 stop

17:35 - 15:25

SFO

LTN

13h 50m

1 stop

£514Multiple Airlines

Wed, 22 Apr - Wed, 29 Apr

06:15 - 15:50

LTN

SFO

17h 35m

1 stop

17:35 - 15:45

SFO

LTN

14h 10m

1 stop

£518Multiple Airlines

Wed, 1 Apr - Mon, 13 Apr

momondo Fare Finder

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

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Mon 2/3

13:50-14:35

2 stops32h 45m

San Francisco

Sun 8/3

17:40-22:00

2 stops21h 20m

£419

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Wed 18/2

06:50-15:35

1 stop16h 45m

San Francisco

Wed 25/2

17:20-23:05

1 stop21h 45m

£467

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Sat 21/2

06:00-15:35

1 stop17h 35m

San Francisco

Sat 28/2

17:20-16:05

1 stop14h 45m

£482

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Sun 3/5

08:30-21:55

2 stops21h 25m

San Francisco

Mon 18/5

17:35-22:50

1 stop21h 15m

£487

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Sun 3/5

08:30-21:55

2 stops21h 25m

San Francisco

Sun 17/5

17:35-15:25

1 stop13h 50m

£498

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Wed 1/4

06:15-15:50

1 stop17h 35m

San Francisco

Sun 12/4

17:35-21:40

1 stop20h 05m

£509

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Mon 6/4

08:15-15:50

1 stop15h 35m

San Francisco

Fri 10/4

17:35-00:30

1 stop22h 55m

£510

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Tue 17/2

09:00-15:35

1 stop14h 35m

San Francisco

Tue 24/2

17:20-20:05

1 stop18h 45m

£511

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Wed 22/4

06:15-15:50

1 stop17h 35m

San Francisco

Wed 29/4

17:35-15:25

1 stop13h 50m

£514

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Wed 1/4

06:15-15:50

1 stop17h 35m

San Francisco

Mon 13/4

17:35-15:45

1 stop14h 10m

£518

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Delays

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 Thursday when prices can be found for as low as £556. 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 £654. 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 £551. Try not to purchase tickets at midday because they tend to be around £807. 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 35m
Direct flights	None

The fastest flight from London Luton Airport to San Francisco takes 14h 35m

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.

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How far is London Luton to San Francisco by plane?
The straight-line distance from London Luton to San Francisco is 5323.7 mi. Typically, this will take 14h 35m 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.

Sunnyvale

Santa Clara

Seaside

Big Sur

Rohnert Park

Campbell

Palo Alto

Santa Cruz

Roseville

Novato

South San Francisco

Capitola

Aptos

Sausalito

San Bruno

Woodland

Pacific Grove

Redwood City

Mill Valley

Burlingame

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.