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

180 flights are operational weekly from San Francisco to London as of October 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

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

Lufthansa, JetBlue, and United Airlines are the most popular carriers operating from San Francisco to London

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

The number of flights available between San Francisco and London is 25 per day as of October 2025. The most frequent departure time is 18:00, with 55% of daily flights leaving in the evening.

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

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

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

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 stopovers 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 San Francisco Airport to London.

What documentation or ID do you need to fly to London?

The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$557 Cheap Flights from San Francisco to London in 2025/26

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16:40 - 18:50SFO-LHR

18h 10m2 stops

06:40 - 14:35LHR-SFO

15h 55m1 stop

$891Scandinavian Airlines

Find Deal

Mon, 1 Dec - Sat, 6 Dec

10:30 - 10:30SFO-LHR

16h 00m1 stop

06:30 - 11:50LHR-SFO

13h 20m1 stop

$892Delta

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Mon, 1 Dec - Tue, 3 Feb

09:51 - 10:15SFO-LHR

16h 24m2 stops

06:30 - 11:50LHR-SFO

13h 20m1 stop

$894Delta

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Wed, 19 Nov - Wed, 26 Nov

13:20 - 10:00SFO-LHR

12h 40m1 stop

11:40 - 14:40LHR-SFO

11h 00mdirect

$897Multiple Airlines

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Wed, 26 Nov - Tue, 9 Dec

13:20 - 10:00SFO-LHR

12h 40m1 stop

11:40 - 14:40LHR-SFO

11h 00mdirect

$909Multiple Airlines

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Wed, 7 Jan - Thu, 29 Jan

17:25 - 12:00SFO-LHR

10h 35mdirect

06:35 - 14:50LHR-SFO

16h 15m1 stop

$920United Airlines

Find Deal

Tue, 11 Nov - Fri, 21 Nov

17:25 - 12:00SFO-LHR

10h 35mdirect

11:10 - 18:55LHR-SFO

15h 45m1 stop

$921United Airlines

Find Deal

Sun, 30 Nov - Tue, 3 Feb

17:30 - 12:00SFO-LHR

10h 30mdirect

11:45 - 15:00LHR-SFO

11h 15mdirect

$939British Airways

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Tue, 13 Jan - Fri, 30 Jan

16:30 - 10:40SFO-LHR

10h 10mdirect

11:40 - 14:40LHR-SFO

11h 00mdirect

$944Virgin Atlantic

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Tue, 25 Nov - Tue, 2 Dec

00:17 - 06:50SFO-LHR

22h 33m1 stop

11:45 - 15:00LHR-SFO

11h 15mdirect

$953British Airways

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Tue, 13 Jan - Fri, 13 Feb

Virgin Atlantic flights from San Francisco to London

Our best Virgin Atlantic deals on San Francisco to London flight tickets

Virgin Atlantic

25 Nov

SFO16:30San Francisco

10h 10m

LHR10:40London Heathrow

2 Dec

LHR11:40London Heathrow

11h 00m

SFO14:40San Francisco

$944

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Virgin Atlantic

8 Nov

SFO13:25San Francisco

12h 35m

1 stop

LHR10:00London Heathrow

22 Nov

LHR06:30London Heathrow

13h 20m

1 stop

SFO11:50San Francisco

$1,008

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Scandinavian Airlines flights from San Francisco to London

Our best Scandinavian Airlines deals on San Francisco to London flight tickets

Scandinavian Airlines

1 Dec

SFO16:40San Francisco

18h 10m

2 stops

LHR18:50London Heathrow

6 Dec

LHR06:40London Heathrow

15h 55m

1 stop

SFO14:35San Francisco

$891

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Scandinavian Airlines

1 Dec

SFO16:40San Francisco

17h 00m

1 stop

LHR17:40London Heathrow

10 Dec

LHR21:05London Heathrow

25h 30m

2 stops

SFO14:35San Francisco

$895

Find similar

Scandinavian Airlines

4 Dec

SFO16:40San Francisco

17h 00m

1 stop

LHR17:40London Heathrow

31 Jan

LHR06:40London Heathrow

15h 55m

1 stop

SFO14:35San Francisco

$903

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Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 1/12

16:40-18:50

2 stops18h 10m

London Heathrow

Sat 6/12

06:40-14:35

1 stop15h 55m

$891

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 1/12

10:30-10:30

1 stop16h 00m

London Heathrow

Tue 3/2

06:30-11:50

1 stop13h 20m

$892

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 19/11

09:51-10:15

2 stops16h 24m

London Heathrow

Wed 26/11

06:30-11:50

1 stop13h 20m

$894

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 26/11

13:20-10:00

1 stop12h 40m

London Heathrow

Tue 9/12

11:40-14:40

Nonstop11h 00m

$897

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 7/1

13:20-10:00

1 stop12h 40m

London Heathrow

Thu 29/1

11:40-14:40

Nonstop11h 00m

$909

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 11/11

17:25-12:00

Nonstop10h 35m

London Heathrow

Fri 21/11

06:35-14:50

1 stop16h 15m

$920

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 30/11

17:25-12:00

Nonstop10h 35m

London Heathrow

Tue 3/2

11:10-18:55

1 stop15h 45m

$921

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 13/1

17:30-12:00

Nonstop10h 30m

London Heathrow

Fri 30/1

11:45-15:00

Nonstop11h 15m

$939

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 25/11

16:30-10:40

Nonstop10h 10m

London Heathrow

Tue 2/12

11:40-14:40

Nonstop11h 00m

$944

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 13/1

00:17-06:50

1 stop22h 33m

London Heathrow

Fri 13/2

11:45-15:00

Nonstop11h 15m

$953

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How to get the cheapest flight ticket from San Francisco to London

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

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What is the cheapest month to fly to London?

If you aren’t able to travel during the month of September, then book flights to London from San Francisco during October instead. Flights to London in October, while not as cheap as those in September, still average around $1,012.

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $1,061. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to London for around $1,794.

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

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as $1,082. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around $1,767.

What is the cheapest San Francisco to London flight route?

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

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $1,171 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from San Francisco for as low as $1,104 on momondo.

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

There are 3 cabin classes available to choose from on San Francisco to London 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 San Francisco to London flights?

You could potentially save up to 13% on your flight if you consider stops on a San Francisco to London flight.

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

As of October 2025, prices for San Francisco to London flights are approximately 53% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to London

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

Estimated return price

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

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

Fastest flight time	10h 10m
Direct flights	Every day
Airports in London	1 airport

The fastest flight from San Francisco to London takes 10h 10m

Direct flights go from San Francisco to London every day.

There is 1 airport near London: London Heathrow (LHR)

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How far is San Francisco to London by plane?
London is 8609.4 km away from San Francisco. By plane, this route typically takes 10h 10m.
When did momondo last update prices for flights from San Francisco Airport to London?
Prices for flights from San Francisco Airport to London are updated daily.
How old do you have to be to fly from San Francisco Airport to London?
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 stopovers 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 San Francisco Airport to London.
What documentation or ID do you need to fly to London?
The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Francisco to London?
momondo data reveals that the most frequently booked plane model on the route from San Francisco to London is Boeing 777, representing 34.21% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 19.42%, Airbus A380-800 at 19.06%, and Airbus A380 at 6.97%.

Gatwick

Hounslow

Wembley

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Dover

Ipswich

Abingdon

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Slough

Chichester

Canterbury

Deal

Kingston upon Thames

Brentwood

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Guildford

Sutton

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Watford

Ashford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to London. momondo saves you time and could save you money on your trip.

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

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

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

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 San Francisco to London.

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

Yes momondo offers price alerts on flights to London from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London 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 San Francisco to London from $557

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to London departing on 6/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Virgin Atlantic flights from San Francisco to London

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Scandinavian Airlines flights from San Francisco to London

Our best Scandinavian Airlines deals on San Francisco to London flight tickets

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How to get the cheapest flight ticket from San Francisco to London

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 London?

If you aren’t able to travel during the month of September, then book flights to London from San Francisco during October instead. Flights to London in October, while not as cheap as those in September, still average around $1,012.

What is the cheapest day to depart on your flight to London?

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $1,061. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to London for around $1,794.

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

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as $1,082. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around $1,767.

What is the cheapest San Francisco to London flight route?

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

How far in advance should I book a flight to London?

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

There are 3 cabin classes available to choose from on San Francisco to London 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 San Francisco to London flights?

You could potentially save up to 13% on your flight if you consider stops on a San Francisco to London flight.

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

As of October 2025, prices for San Francisco to London flights are approximately 53% more expensive when compared to flights at the same time last year.

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

Lufthansa, JetBlue, and United Airlines are the most popular carriers operating from San Francisco to London

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

The number of flights available between San Francisco and London is 25 per day as of October 2025. The most frequent departure time is 18:00, with 55% of daily flights leaving in the evening.

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

180 flights are operational weekly from San Francisco to London as of October 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

When to book flights from San Francisco to London

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

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

Fastest flight time

Direct flights

Airports in London

How far is San Francisco to London by plane?

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

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

What documentation or ID do you need to fly to London?

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

Travelling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London 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 Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 49.5 km from London