What is the cheapest month to book a flight from London Luton Airport to San Francisco?

Currently, February is the cheapest month in which you can book a flight from London Luton Airport to San Francisco (average of £538). Flying from London Luton Airport to San Francisco in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from London Luton Airport to San Francisco?

Travellers seeking maximum savings on their London Luton Airport to San Francisco flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 day to fly round-trip from London Luton Airport to San Francisco?

Wednesday flights are found to be more expensive to fly from London Luton Airport to San Francisco. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.

How far in advance should I book a flight from London Luton Airport to San Francisco?

To save up to 19% on this flight, we recommend booking at least 46 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Luton Airport to San Francisco from £440 1-2 weeks out and tickets from £539 for flights departing within the next 72 hours.

What is the cheapest month to fly from London Luton Airport to San Francisco?

February can be a great time to fly to San Francisco from London Luton Airport with a flight ticket averaging about £489. Cheapflights users have found deals in the month of February for as cheap as £333. The most expensive prices can be found in the month of July.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 11% on flights from London Luton Airport to San Francisco by exploring options for tickets at midday.

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 11.8 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.

£340+ Cheap Flights from London Luton Airport to San Francisco

Cheap flight deals from Luton to San Francisco

Round-trip from	£463
One-way from	£340
Popular in	July
Cheapest in	February
Average price	£423

20/11-23/11
4 total stops
53h 45m total
London to San Francisco

Search Deals

28/10
2 total stops
46h 35m total
London to San Francisco

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£63 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Luton to San Francisco

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 16 September 2025.

Thu 20/1114:10LTN - SFO

2 stops32h 25mMultiple Airlines

Sun 23/1116:40SFO - LTN

2 stops21h 20mMultiple Airlines

Deal found 14/9£463

Wed 5/1106:50LTN - SFO

1 stop16h 45mMultiple Airlines

Wed 12/1117:20SFO - LTN

1 stop21h 45mMultiple Airlines

Deal found 15/9£484

Wed 15/1010:00LTN - SFO

1 stop13h 55mMultiple Airlines

Wed 22/1017:40SFO - LTN

1 stop13h 45mMultiple Airlines

Deal found 13/9£491

Wed 5/1117:10LTN - SFO

2 stops27h 30mMultiple Airlines

Sun 16/1119:25SFO - LTN

2 stops18h 35mMultiple Airlines

Deal found 15/9£492

Wed 8/1018:25LTN - SFO

3 stops29h 03mMultiple Airlines

Mon 13/1008:40SFO - LTN

2 stops19h 40mMultiple Airlines

Deal found 15/9£494

Sat 8/1109:20LTN - SFO

2 stops35h 20mMultiple Airlines

Sat 15/1119:25SFO - LTN

2 stops19h 00mMultiple Airlines

Deal found 15/9£497

Wed 24/918:25LTN - SFO

2 stops28h 05mMultiple Airlines

Wed 1/1010:15SFO - LTN

3 stops28h 40mMultiple Airlines

Deal found 13/9£506

Thu 16/1021:10LTN - SFO

2 stops26h 18mMultiple Airlines

Wed 22/1007:10SFO - LTN

3 stops29h 35mMultiple Airlines

Deal found 15/9£510

Mon 6/1009:00LTN - SFO

1 stop14h 55mMultiple Airlines

Mon 13/1017:40SFO - LTN

1 stop14h 20mMultiple Airlines

Deal found 14/9£511

Sat 15/1109:00LTN - SFO

1 stop14h 35mMultiple Airlines

Sun 23/1118:20SFO - LTN

1 stop19h 40mMultiple Airlines

Deal found 15/9£512

Thu 6/1110:45LTN - SFO

2 stops35h 50mMultiple Airlines

Thu 13/1116:40SFO - LTN

2 stops21h 45mMultiple Airlines

Deal found 13/9£518

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 16 September 2025.

Thu 20/1114:10LTN - SFO

2 stops32h 25mMultiple Airlines

Sun 23/1116:40SFO - LTN

2 stops21h 20mMultiple Airlines

Deal found 14/9£463

Wed 5/1106:50LTN - SFO

1 stop16h 45mMultiple Airlines

Wed 12/1117:20SFO - LTN

1 stop21h 45mMultiple Airlines

Deal found 15/9£484

Tue 4/1109:00LTN - SFO

1 stop14h 35mMultiple Airlines

Tue 18/1117:20SFO - LTN

1 stop18h 45mMultiple Airlines

Deal found 15/9£491

Wed 5/1117:10LTN - SFO

2 stops27h 30mMultiple Airlines

Sun 16/1119:25SFO - LTN

2 stops18h 35mMultiple Airlines

Deal found 15/9£492

Wed 8/1018:25LTN - SFO

3 stops29h 03mMultiple Airlines

Mon 13/1008:40SFO - LTN

2 stops19h 40mMultiple Airlines

Deal found 15/9£494

Sat 8/1109:20LTN - SFO

2 stops35h 20mMultiple Airlines

Sat 15/1119:25SFO - LTN

2 stops19h 00mMultiple Airlines

Deal found 15/9£497

Thu 16/1021:10LTN - SFO

2 stops26h 18mMultiple Airlines

Wed 22/1007:10SFO - LTN

3 stops29h 35mMultiple Airlines

Deal found 15/9£510

Sat 15/1109:00LTN - SFO

1 stop14h 35mMultiple Airlines

Sun 23/1118:20SFO - LTN

1 stop19h 40mMultiple Airlines

Deal found 15/9£512

Thu 6/1110:45LTN - SFO

2 stops35h 50mMultiple Airlines

Thu 13/1116:40SFO - LTN

2 stops21h 45mMultiple Airlines

Deal found 13/9£518

Fri 7/1120:55LTN - SFO

2 stops23h 45mMultiple Airlines

Fri 14/1108:30SFO - LTN

2 stops22h 55mMultiple Airlines

Deal found 15/9£519

Sun 5/1009:55LTN - SFO

3 stops31h 35mMultiple Airlines

Sun 12/1010:15SFO - LTN

3 stops19h 50mMultiple Airlines

Deal found 13/9£529

Last-minute flights from Luton to San Francisco
Discover last-minute flight deals from Luton to San Francisco. Data last updated 16 September 2025 and is based on user searches.

Sun 21/914:10LTN - SFO

2 stops34h 20mMultiple Airlines

Sun 5/1019:40SFO - LTN

2 stops17h 50mMultiple Airlines

Deal found 15/9£598

Mon 22/916:00LTN - SFO

2 stops29h 35mMultiple Airlines

Sun 5/1007:30SFO - LTN

2 stops31h 25mMultiple Airlines

Deal found 15/9£520

Mon 22/916:00LTN - SFO

2 stops29h 35mMultiple Airlines

Mon 13/1007:30SFO - LTN

2 stops29h 55mMultiple Airlines

Deal found 14/9£589

Tue 23/918:10LTN - SFO

2 stops28h 25mMultiple Airlines

Tue 30/916:20SFO - LTN

2 stops23h 15mMultiple Airlines

Deal found 15/9£582

Wed 24/918:25LTN - SFO

2 stops28h 05mMultiple Airlines

Wed 1/1010:15SFO - LTN

3 stops28h 40mMultiple Airlines

Deal found 13/9£506

Wed 24/918:25LTN - SFO

2 stops28h 05mMultiple Airlines

Sun 30/1110:15SFO - LTN

3 stops22h 20mMultiple Airlines

Deal found 16/9£585

Fri 26/921:05LTN - SFO

2 stops26h 23mMultiple Airlines

Sun 28/919:30SFO - LTN

2 stops18h 00mMultiple Airlines

Deal found 15/9£526

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 16 September 2025.

Tue 28/1021:55LTN - SFO

2 stops46h 35mMultiple Airlines

Deal found 16/9£340

Wed 12/1117:00LTN - SFO

3 stops35h 10mMultiple Airlines

Deal found 15/9£344

Mon 6/1016:00LTN - SFO

2 stops29h 35mMultiple Airlines

Deal found 14/9£348

Sun 28/916:40LTN - SFO

3 stops52h 55mMultiple Airlines

Deal found 15/9£350

Wed 24/1207:00LTN - SFO

3 stops49h 06mMultiple Airlines

Deal found 13/9£351

Wed 5/1107:00LTN - SFO

1 stop21h 10mMultiple Airlines

Deal found 16/9£355

Sat 15/1106:15LTN - SFO

3 stops36h 22mMultiple Airlines

Deal found 15/9£357

Fri 7/1111:45LTN - SFO

1 stop16h 25mMultiple Airlines

Deal found 16/9£364

Fri 14/1111:45LTN - SFO

3 stops32h 55mMultiple Airlines

Deal found 15/9£366

Sun 12/1014:10LTN - SFO

2 stops52h 31mMultiple Airlines

Deal found 14/9£370

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

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Thu 20/11

14:10-14:35

2 stops32h 25m

San Francisco

Sun 23/11

16:40-22:00

2 stops21h 20m

£463

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Wed 5/11

06:50-15:35

1 stop16h 45m

San Francisco

Wed 12/11

17:20-23:05

1 stop21h 45m

£484

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Tue 4/11

09:00-15:35

1 stop14h 35m

San Francisco

Tue 18/11

17:20-20:05

1 stop18h 45m

£491

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Wed 5/11

17:10-12:40

2 stops27h 30m

San Francisco

Sun 16/11

19:25-22:00

2 stops18h 35m

£492

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Wed 8/10

18:25-15:28

3 stops29h 03m

San Francisco

Mon 13/10

08:40-12:20

2 stops19h 40m

£494

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Sat 8/11

09:20-12:40

2 stops35h 20m

San Francisco

Sat 15/11

19:25-22:25

2 stops19h 00m

£497

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Thu 16/10

21:10-15:28

2 stops26h 18m

San Francisco

Wed 22/10

07:10-20:45

3 stops29h 35m

£510

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Sat 15/11

09:00-15:35

1 stop14h 35m

San Francisco

Sun 23/11

18:20-22:00

1 stop19h 40m

£512

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Thu 6/11

10:45-14:35

2 stops35h 50m

San Francisco

Thu 13/11

16:40-22:25

2 stops21h 45m

£518

LondonSan Francisco

LTN - SFO

LTNSFO

London Luton

Fri 7/11

20:55-12:40

2 stops23h 45m

San Francisco

Fri 14/11

08:30-15:25

2 stops22h 55m

£519

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 21 results

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.

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 11.8 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.
What is the cheapest month to book a flight from London Luton Airport to San Francisco?
Currently, February is the cheapest month in which you can book a flight from London Luton Airport to San Francisco (average of £538). Flying from London Luton Airport to San Francisco in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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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 £340

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 28/10. 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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 16 September 2025.

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 16 September 2025.

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.

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?

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?

What is the cheapest month to book a flight from London Luton Airport to San Francisco?

Travelling to a place near San Francisco?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Luton to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

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?

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 16 September 2025.