Which airport is the most popular for stopovers for flights between London and San Francisco?

Lisbon (LIS) was the most common stop: 27% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport has the shortest travel time from London to San Francisco?

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 13h 15m.

Which stopover airport offers the lowest fares from London to San Francisco?

Flights via Paris (CDG) offer the lowest average return price of £360.

How many flights depart from London to San Francisco on average per week?

The number of flights available between London and San Francisco is 288 per week as of September 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

What is the cheapest airline that flies from London to San Francisco?

Aer Lingus, British Airways, and TAP AIR PORTUGAL are the most popular carriers operating from London to San Francisco

Which airlines fly to San Francisco?

Virgin Atlantic, British Airways and Lufthansa are the top three most popular airlines that fly to San Francisco from London according to our data. Virgin Atlantic is the first choice among our users, with 40% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 17 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

How many flights depart from London to San Francisco on average per day?

The number of flights available between London and San Francisco is 41 per day as of September 2025. The most frequent departure time is 10:00, with 57% of daily flights leaving in the afternoon.

Which stopover airport has the shortest connection time from London to San Francisco?

Amsterdam (AMS) has the shortest average stopover time for this route: 1h 08m.

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

Prices for flights from London to San Francisco Airport are updated daily.

How many operators does momondo search for flights from London to San Francisco Airport?

As of September 2025, there are 17 operators available to choose from for flights from London to San Francisco Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London 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.

£313 Cheap Flights from London to San Francisco in 2025

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Find the cheapest flights from London to San Francisco

Round-trip

One-way

Last minute

Direct

Cheap return flights

08:30 - 16:00LHR-SFO

15h 30m1 stop

16:05 - 10:25SFO-LHR

10h 20mdirect

£394Lufthansa

Find Deal

Thu, 25 Sep - Wed, 1 Oct

16:15 - 19:20LHR-SFO

11h 05mdirect

16:05 - 10:25SFO-LHR

10h 20mdirect

£394Lufthansa

Find Deal

Mon, 29 Sep - Mon, 6 Oct

19:05 - 16:07LHR-SFO

29h 02m2 stops

09:00 - 12:50SFO-LHR

19h 50m1 stop

£395Finnair

Find Deal

Sun, 21 Sep - Sat, 11 Oct

10:55 - 23:29LHR-SFO

20h 34m2 stops

16:44 - 14:15SFO-LHR

13h 31m1 stop

£397Virgin Atlantic

Find Deal

Sat, 27 Sep - Mon, 29 Sep

17:25 - 23:29LHR-SFO

14h 04m1 stop

21:20 - 15:40SFO-LHR

10h 20mdirect

£398Virgin Atlantic

Find Deal

Mon, 29 Sep - Tue, 14 Oct

10:30 - 18:35LHR-SFO

16h 05m1 stop

22:30 - 06:40SFO-LHR

24h 10m1 stop

£399British Airways

Find Deal

Wed, 1 Oct - Sat, 4 Oct

10:45 - 13:50LHR-SFO

11h 05mdirect

20:40 - 15:10SFO-LHR

10h 30mdirect

£400British Airways

Find Deal

Wed, 24 Sep - Sun, 30 Nov

08:40 - 16:35LHR-SFO

15h 55m1 stop

16:05 - 10:25SFO-LHR

10h 20mdirect

£401United Airlines

Find Deal

Wed, 1 Oct - Sun, 5 Oct

13:05 - 20:10LHR-SFO

15h 05m1 stop

11:40 - 09:35SFO-LHR

13h 55m1 stop

£408United Airlines

Find Deal

Sun, 28 Sep - Sun, 5 Oct

20:10 - 11:45LCY-SFO

23h 35m1 stop

13:45 - 16:40SFO-LCY

18h 55m1 stop

£453KLM

Find Deal

Mon, 22 Sep - Sun, 5 Oct

Lufthansa flights from London to San Francisco

Our best Lufthansa deals on London to San Francisco flight tickets

Lufthansa

25 Sept

LHR08:30London Heathrow

15h 30m

1 stop

SFO16:00San Francisco

1 Oct

SFO16:05San Francisco

10h 20m

LHR10:25London Heathrow

£394

Find similar

Lufthansa

29 Sept

LHR16:15London Heathrow

11h 05m

SFO19:20San Francisco

6 Oct

SFO16:05San Francisco

10h 20m

LHR10:25London Heathrow

£394

Find similar

Lufthansa

21 Oct

LHR09:30London Heathrow

14h 30m

1 stop

SFO16:00San Francisco

3 Nov

SFO16:15San Francisco

13h 15m

1 stop

LHR13:30London Heathrow

£413

Find similar

Finnair flights from London to San Francisco

Our best Finnair deals on London to San Francisco flight tickets

Finnair

21 Sept

LHR19:05London Heathrow

29h 02m

2 stops

SFO16:07San Francisco

11 Oct

SFO09:00San Francisco

19h 50m

1 stop

LHR12:50London Heathrow

£395

Find similar

Finnair

21 Sept

LHR19:05London Heathrow

29h 02m

2 stops

SFO16:07San Francisco

28 Sept

SFO14:22San Francisco

36h 08m

1 stop

LHR10:30London Heathrow

£408

Find similar

Finnair

8 Oct

LGW10:40London Gatwick

20h 49m

2 stops

SFO23:29San Francisco

13 Oct

SFO23:58San Francisco

22h 37m

2 stops

LGW06:35London Gatwick

£409

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 25/9

08:30-16:00

1 stop15h 30m

San Francisco

Wed 1/10

16:05-10:25

Nonstop10h 20m

£394

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 29/9

16:15-19:20

Nonstop11h 05m

San Francisco

Mon 6/10

16:05-10:25

Nonstop10h 20m

£394

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 21/9

19:05-16:07

2 stops29h 02m

San Francisco

Sat 11/10

09:00-12:50

1 stop19h 50m

£395

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 27/9

10:55-23:29

2 stops20h 34m

San Francisco

Mon 29/9

16:44-14:15

1 stop13h 31m

£397

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 29/9

17:25-23:29

1 stop14h 04m

San Francisco

Tue 14/10

21:20-15:40

Nonstop10h 20m

£398

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 1/10

10:30-18:35

1 stop16h 05m

San Francisco

Sat 4/10

22:30-06:40

1 stop24h 10m

£399

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 24/9

10:45-13:50

Nonstop11h 05m

San Francisco

Sun 30/11

20:40-15:10

Nonstop10h 30m

£400

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 1/10

08:40-16:35

1 stop15h 55m

San Francisco

Sun 5/10

16:05-10:25

Nonstop10h 20m

£401

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 28/9

13:05-20:10

1 stop15h 05m

San Francisco

Sun 5/10

11:40-09:35

1 stop13h 55m

£408

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Mon 22/9

20:10-11:45

1 stop23h 35m

San Francisco

Sun 5/10

13:45-16:40

1 stop18h 55m

£453

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 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

Airlines

Stopovers

Other information

What is the cheapest month to fly to San Francisco?

The month of February is, on average, the cheapest month to fly to San Francisco from London, with most prices found around £423. If you are unable to visit San Francisco during the month of February, then departing from London during the month November is also very affordable. Most momondo users find prices during this month for around £435.

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 Tuesday when prices can be found for as low as £557. This is often the case because there is less demand to fly during this day of the week. Flights from London to San Francisco on a Sunday will generally be more expensive and average around £632. 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 evening. Flights from London to San Francisco during this time can be as low as £475. Try not to purchase tickets at midday because they tend to be around £931. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London to San Francisco flight route?

Fly from London Heathrow to San Francisco for the best London - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from London when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around £497 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from London for as low as £454 on momondo.

What cabin class options are available on London to San Francisco flights?

There are 4 cabin classes available to choose from on London to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to San Francisco flights?

You could potentially save up to 26% on your flight if you consider stops on a London to San Francisco flight.

How have London to San Francisco flight prices changed over time?

As of September 2025, prices for London to San Francisco flights are approximately 73% more expensive when compared to flights at the same time last year.

When to book flights from London to San Francisco

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

Estimated return price

Cheap London to San Francisco (LON to SFO) flight deals and tips

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

Best price found	£494
Fastest flight time	11h 00m
Direct flights	Every day
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from London in the past 72 hours is £494. The best return flight deal from London to San Francisco found on momondo in the last 72 hours is £463.

The fastest flight from London to San Francisco takes 11h 00m

Direct flights go from London to San Francisco every day.

There is 1 airport near San Francisco: San Francisco (SFO)

Search flight deals

How far is London to San Francisco by plane?
A flight from London to San Francisco will travel around 5349.7 mi. 11h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from London to San Francisco Airport?
Prices for flights from London to San Francisco Airport are updated daily.
How many operators does momondo search for flights from London to San Francisco Airport?
As of September 2025, there are 17 operators available to choose from for flights from London to San Francisco Airport.
How old do you have to be to fly from London to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London 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.
What is the most popular plane model from London to San Francisco?
Based on momondo bookings for flights between London and San Francisco, the leading plane model is Boeing 777, making up 39.37% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 27.00%, Airbus A380-800 with 11.35%, and Boeing 777-300ER with 9.00%.
What is the most popular airline from London to San Francisco?
momondo data reveals that the most frequently booked airline on the route from London to San Francisco is Virgin Atlantic, representing 26% of all bookings. The subsequent popular airlines are British Airways at 19%, Lufthansa at 16%, and United Airlines at 9%.

Best airlines flying from London to San Francisco

Compare and see reviews for airlines that fly from London to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom £236	Free Cancellation	Rating 7.9 7,960 reviews	Search Delta flights
TAP AIR PORTUGAL	PriceFrom £347	Free Cancellation	Rating 7.1 1,977 reviews	Search TAP AIR PORTUGAL flights
SWISS	PriceFrom £349	Free Cancellation	Rating 7.5 1,731 reviews	Search SWISS flights
Aer Lingus	PriceFrom £349	Free Cancellation	Rating 7.2 1,271 reviews	Search Aer Lingus flights
Scandinavian Airlines	PriceFrom £352	Free Cancellation	Rating 7.4 1,484 reviews	Search Scandinavian Airlines flights
Brussels Airlines	PriceFrom £356	Free Cancellation	Rating 7.2 359 reviews	Search Brussels Airlines flights
Air Canada	PriceFrom £357	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Virgin Atlantic	PriceFrom £359	Free Cancellation	Rating 7.4 664 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom £362	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
United Airlines	PriceFrom £364	Free Cancellation	Rating 7.4 8,937 reviews	Search United Airlines flights

Delta Flights From London to San Francisco
The lowest priced Delta flight from London to San Francisco from the last 72 hours was £319. Generally, Delta has 14 flights on this route every week with an average price of £659. Delta is rated 7.9/10 by our users.
KLM Flights From London to San Francisco
KLM is also a popular choice for this route. KLM flight deals for London to San Francisco start from as low as £498 round-trip, depending on your selected dates, with average KLM deals seen on momondo around £613. KLM operates 14 flights to San Francisco from London in an average week. Users have rated it 7.8/10 across 1,385 reviews.

Carmel-by-the-Sea

Santa Clara

Seaside

Vacaville

Salinas

Rohnert Park

Campbell

Sunnyvale

Milpitas

San Ramon

South San Francisco

Capitola

Sonoma

San Bruno

Sausalito

Millbrae

Santa Cruz

Woodland

Redwood City

Burlingame

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from London.

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

momondo does allow users to show only those flights to San Francisco from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to San Francisco.

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

Of course. momondo tracks the price of London to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from London to San Francisco from £347

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 to San Francisco departing on 15/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from London to San Francisco

Cheap return flights

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Cheap last-minute flights

Cheap direct flights

Lufthansa flights from London to San Francisco

Our best Lufthansa deals on London to San Francisco flight tickets

Finnair flights from London to San Francisco

Our best Finnair deals on London to San Francisco flight tickets

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

See travel insights to San Francisco from

How to get the cheapest flight ticket from London 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 month to fly to San Francisco?

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

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

What is the cheapest London to San Francisco flight route?

Fly from London Heathrow to San Francisco for the best London - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

What cabin class options are available on London to San Francisco flights?

There are 4 cabin classes available to choose from on London to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to San Francisco flights?

You could potentially save up to 26% on your flight if you consider stops on a London to San Francisco flight.

How have London to San Francisco flight prices changed over time?

As of September 2025, prices for London to San Francisco flights are approximately 73% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from London to San Francisco?

Aer Lingus, British Airways, and TAP AIR PORTUGAL are the most popular carriers operating from London to San Francisco

Which airlines fly to San Francisco?

Which airport is the most popular for stopovers for flights between London and San Francisco?

Lisbon (LIS) was the most common stop: 27% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from London to San Francisco?

Flights via Paris (CDG) offer the lowest average return price of £360.

Which stopover airport has the shortest travel time from London to San Francisco?

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 13h 15m.

Which stopover airport has the shortest connection time from London to San Francisco?

Amsterdam (AMS) has the shortest average stopover time for this route: 1h 08m.

How many flights depart from London to San Francisco on average per day?

The number of flights available between London and San Francisco is 41 per day as of September 2025. The most frequent departure time is 10:00, with 57% of daily flights leaving in the afternoon.

How many flights depart from London to San Francisco on average per week?

The number of flights available between London and San Francisco is 288 per week as of September 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

When to book flights from London to San Francisco

Cheap London to San Francisco (LON to SFO) flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in San Francisco

How far is London to San Francisco by plane?

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

How many operators does momondo search for flights from London to San Francisco Airport?

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

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

What is the most popular plane model from London to San Francisco?

What is the most popular airline from London to San Francisco?

Best airlines flying from London to San Francisco

Compare and see reviews for airlines that fly from London to San Francisco with momondo

Delta Flights From London to San Francisco

KLM Flights From London to San Francisco

Travelling to a place near San Francisco?

Why use momondo?

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

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

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

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

An easier way to manage your San Francisco trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States