In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from LTN to SFO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Luton Airport to San Francisco as you normally would.

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.

£366+ Cheap Flights from London Luton Airport to San Francisco

Cheap flight deals from Luton to San Francisco

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 10 September 2026.

Sat 21/1106:15 -

2 stops21h 20m

Sun 29/1119:25 -

2 stops18h 55m

Deal found 7/9£483

Sat 21/1112:15 -

2 stops32h 20m

Sat 5/1219:25 -

2 stops19h 00m

Deal found 5/9£486

Tue 13/1013:10 -

2 stops33h 30m

Fri 16/1016:45 -

3 stops23h 45m

Deal found 6/9£489

Mon 16/1121:30 -

2 stops22h 15m

Mon 23/1115:10 -

2 stops21h 40m

Deal found 7/9£508

Tue 6/1013:10 -

2 stops33h 30m

Tue 13/1016:45 -

2 stops21h 25m

Deal found 5/9£514

Thu 22/1020:50 -

2 stops24h 25m

Thu 29/1016:05 -

2 stops21h 05m

Deal found 7/9£515

Tue 24/1115:00 -

2 stops31h 50m

Thu 3/1216:45 -

2 stops22h 20m

Deal found 7/9£518

Thu 15/1018:15 -

3 stops29h 06m

Fri 23/1008:30 -

2 stops21h 15m

Deal found 7/9£521

Wed 7/1016:30 -

2 stops28h 10m

Wed 21/1008:10 -

2 stops18h 50m

Deal found 9/9£522

Thu 24/908:00 -

2 stops23h 04m

Tue 29/908:10 -

2 stops21h 50m

Deal found 8/9£522

Wed 21/1015:15 -

2 stops33h 00m

Thu 29/1015:45 -

2 stops21h 00m

Deal found 6/9£525

Find flight deals from Luton to San Francisco

Round-trip from	£483
One-way from	£366
Popular in	December
Cheapest in	February
Average price	£500

21/11-29/11
4 total stops
40h 15m total
London to San Francisco

Search Deals

16/9-31/12
3 total stops
23h 40m total
London to San Francisco

Search Deals

High demand for flights, 0% potential price rise

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 September 2026

Search Deals

Cheapflights 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

Cheapest return flight

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Wed 16/9

06:15-21:55

3 stops23h 40m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£366

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Mon 12/10

20:35-14:35

3 stops50h 00m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£390

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Mon 21/12

17:00-14:45

2 stops53h 45m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£396

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Tue 22/9

19:50-21:55

3 stops34h 05m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£404

Fastest return journey

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Sun 15/11

08:45-15:35

1 stop14h 50m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£419

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Sun 11/10

18:15-14:22

3 stops52h 07m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£423

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Wed 13/1

07:45-15:35

1 stop15h 50m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£425

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Wed 16/12

07:25-15:35

1 stop16h 10m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£425

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Tue 15/9

09:40-12:00

2 stops34h 20m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£443

LondonSan Francisco

LTN London Luton - SFO San Francisco

LTNSFO

London Luton

Sat 9/1

07:45-15:35

3 stops39h 50m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£446

Flights are sorted by cheapest return flights first.

Deals found on 5/9

Showing 1-10 of 22 resultsSorted by cheapest first

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.

LTN-SFO

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 76 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

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.

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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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Cheap flights from London Luton Airport to San Francisco from £366

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Luton to San Francisco

Cheapest flights from Luton to San FranciscoExplore 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 10 September 2026.

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 10 September 2026.

Best flights from Luton to San FranciscoDiscover carefully curated flight deals from Luton to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from Luton to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Luton to San FranciscoDiscover last-minute flight deals from Luton to San Francisco. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from Luton to San Francisco. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Luton to San FranciscoSearch for one-way flight options from Luton to San Francisco. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from Luton to San Francisco. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Find flight deals from Luton to San Francisco

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Luton Airport to San Francisco that are best for you.

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.

Cheapflights Insights

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 76 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

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

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

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

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

Travelling to a place near San Francisco?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Luton to San Francisco

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Complete your trip

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Direct flights to California

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Search flights from Luton to San Francisco by cabin class

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Luton and San Francisco flights

Browse other Luton and San Francisco flight options. Last updated on 10 September 2026.

Other flights from Luton

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

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

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

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

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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 10 September 2026.

Best flights from Luton to San Francisco
Discover carefully curated flight deals from Luton to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Luton to San Francisco
Discover last-minute flight deals from Luton to San Francisco. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Luton to San Francisco
Search for one-way flight options from Luton to San Francisco. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.