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

Flights connecting via Copenhagen (CPH) have the shortest average one-way travel time: 14h 00m.

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

Flights via Copenhagen (CPH) offer the lowest average return price of £374.

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

The number of flights available between San Francisco and London is 31 per day as of November 2025. The most frequent departure time is 17:00, with 72% of daily flights leaving in the afternoon.

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

Copenhagen (CPH) was the most common stop: 86% of momondo users choosing one-stop flights on this route connected there.

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

Copenhagen (CPH) has the shortest average stopover time for this route: 1h 10m.

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

As of November 2025, there are 217 flights per week flying from San Francisco to London. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

Which airlines fly to London?

United Airlines, Virgin Atlantic and British Airways are the top three most popular airlines that fly to London from San Francisco according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when travelling to London. Keep in mind that there are 7 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

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

Which cities can you reach easily once you arrive at London airports?

It's easy to get to other parts of the UK from London airports. There are great transport connections between airports and central London travel hubs. Trains arriving in Victoria train or coach station, for example, can travel onward to many other parts of the UK. Transport connections from Heathrow can also directly connect you to other nearby cities. For example, you can reach Oxford, Birmingham or Bristol by road or rail from Heathrow. It's easy to reach other cities from Gatwick, like Brighton, Norwich or Nottingham, especially if you are travelling by car. If you're travelling to destinations close to London such as Reading, then Heathrow is the nearest airport. Luton Airport is well-connected if you're travelling to Watford. And, London City Airport is very accessible for towns such as Croydon or Romford.

Which airlines fly direct from San Francisco to London?

There are many flight options from San Francisco to London, including direct flights. Iberia flies from San Francisco Airport (SFO) direct to London Heathrow each day. The travel time on San Francisco to London flights is around 10 hours and 15 minutes. Brussels Airlines flies this route to Heathrow, as does Virgin, British Airways and Finnair. It's a popular route, and several US airlines also offer flights between these two airports. United Airlines, for example, has daily flights. If you want to land at another London airport, you will usually have a stopover in another city or country. Turkish airlines connect San Francisco with London Gatwick by stopping at Istanbul (IST) for around one hour 45 minutes. Virgin flies to London City Airport by transiting through Amsterdam (AMS). Lufthansa also offers one-way flights from San Francisco to London City Airport via their Frankfurt hub. There's a six-hour stopover on this flight. What is the best way to get in and out of airports in San Francisco and London? You can quickly reach San Francisco Airport with the BART Rapid rail service. This transport service connects northern San Mateo County, San Francisco and the East Bay to the airport. You can take the Caltrain Commuter Rail to Millbrae BART Station from San Francisco and San Jose and then take the train to the airport. You can also take public bus routes SFO, 292 and 398 to get to the airport from central San Francisco. On arrival in London Heathrow, it's easy to get to central London. From Heathrow, take the Heathrow Express train service, a high-speed non-stop train that takes you to the city of London. You can also take the London Underground from Heathrow to Central London. Heathrow has an extensive car hire service and is located beside major motorways, allowing you easy access to the UK by road. To get to the London city centre from Gatwick airport, take the Gatwick Express train to London. You can also take a National Express direct bus service. What are the benefits of the different airports in San Francisco and London? San Francisco is a major global transport hub with excellent passenger amenities. Find on-site hotels, business lounges, fast track services, shops, restaurants, bars, cash machines and currency exchange desks. The airport offers a support service for anyone travelling with limited mobility. Heathrow is also one of the largest airports in the world and offers a full range of services. There are hotels on the Heathrow campus, great onward travel connections, and a range of business and first-class lounges. If you like shopping, you'll find many shops. There are also bars and restaurants, and changing areas and feeding rooms for parents with babies. London Gatwick offers similar services, while London City is smaller but has everything you need.

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

Prices for flights from San Francisco Airport to London were last updated today.

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

There are 7 operators available for flights from San Francisco Airport to London as of November 2025.

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 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 San Francisco Airport to London.

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

The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£267 Cheap Flights from San Francisco to London in 2025/26

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06:00 - 07:50SFO-LHR

17h 50m2 stops

06:30 - 11:50LHR-SFO

13h 20m1 stop

£446Delta

Find Deal

Mon, 24 Nov - Thu, 4 Dec

06:00 - 10:50SFO-LGW

20h 50m2 stops

11:45 - 00:47LGW-SFO

21h 02m2 stops

£447Iberia

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Tue, 20 Jan - Tue, 27 Jan

09:51 - 10:00SFO-LHR

16h 09m1 stop

11:40 - 14:40LHR-SFO

11h 00mdirect

£447Delta

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Tue, 25 Nov - Tue, 9 Dec

13:41 - 10:00SFO-LHR

12h 19m1 stop

06:30 - 11:50LHR-SFO

13h 20m1 stop

£448KLM

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Tue, 17 Feb - Tue, 3 Mar

17:30 - 12:00SFO-LHR

10h 30mdirect

11:45 - 15:00LHR-SFO

11h 15mdirect

£449British Airways

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Tue, 17 Feb - Tue, 3 Mar

20:40 - 15:10SFO-LHR

10h 30mdirect

11:45 - 15:00LHR-SFO

11h 15mdirect

£450British Airways

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Mon, 5 Jan - Wed, 14 Jan

17:25 - 12:00SFO-LHR

10h 35mdirect

06:35 - 19:35LHR-SFO

21h 00m1 stop

£458United Airlines

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Sun, 30 Nov - Tue, 9 Dec

12:50 - 07:25SFO-LHR

10h 35mdirect

09:00 - 16:30LHR-SFO

15h 30m1 stop

£461United Airlines

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Thu, 11 Dec - Tue, 23 Dec

13:55 - 18:25SFO-LCY

20h 30m1 stop

18:55 - 11:50LCY-SFO

24h 55m1 stop

£482Virgin Atlantic

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Tue, 25 Nov - Tue, 2 Dec

13:55 - 16:35SFO-LCY

18h 40m1 stop

20:05 - 11:50LCY-SFO

23h 45m1 stop

£483Virgin Atlantic

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Wed, 31 Dec - Tue, 20 Jan

Scandinavian Airlines flights from San Francisco to London

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

Scandinavian Airlines

15 Nov

SFO16:40San Francisco

15h 20m

1 stop

LHR16:00London Heathrow

21 Nov

LHR21:05London Heathrow

25h 30m

2 stops

SFO14:35San Francisco

£449

Find similar

Scandinavian Airlines

27 Nov

SFO16:40San Francisco

15h 20m

1 stop

LHR16:00London Heathrow

5 Dec

LHR19:30London Heathrow

27h 05m

1 stop

SFO14:35San Francisco

£451

Find similar

Scandinavian Airlines

16 Nov

SFO16:40San Francisco

17h 00m

1 stop

LHR17:40London Heathrow

20 Nov

LHR13:55London Heathrow

32h 40m

2 stops

SFO14:35San Francisco

£453

Find similar

Air Canada flights from San Francisco to London

Our best Air Canada deals on San Francisco to London flight tickets

Air Canada

9 Nov

SFO13:20San Francisco

14h 30m

1 stop

LHR11:50London Heathrow

25 Nov

LHR09:00London Heathrow

19h 50m

2 stops

SFO20:50San Francisco

£465

Find similar

Air Canada

19 Nov

SFO08:38San Francisco

18h 42m

2 stops

LHR11:20London Heathrow

25 Nov

LHR09:00London Heathrow

19h 50m

2 stops

SFO20:50San Francisco

£470

Find similar

Air Canada

19 Nov

SFO08:38San Francisco

18h 42m

2 stops

LHR11:20London Heathrow

26 Nov

LHR09:00London Heathrow

19h 50m

2 stops

SFO20:50San Francisco

£470

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Fly to

Route

Depart

Return

Price

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 24/11

06:00-07:50

2 stops17h 50m

London Heathrow

Thu 4/12

06:30-11:50

1 stop13h 20m

£446

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 20/1

06:00-10:50

2 stops20h 50m

London Gatwick

Tue 27/1

11:45-00:47

2 stops21h 02m

£447

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 25/11

09:51-10:00

1 stop16h 09m

London Heathrow

Tue 9/12

11:40-14:40

Nonstop11h 00m

£447

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 17/2

13:41-10:00

1 stop12h 19m

London Heathrow

Tue 3/3

06:30-11:50

1 stop13h 20m

£448

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 17/2

17:30-12:00

Nonstop10h 30m

London Heathrow

Tue 3/3

11:45-15:00

Nonstop11h 15m

£449

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 5/1

20:40-15:10

Nonstop10h 30m

London Heathrow

Wed 14/1

11:45-15:00

Nonstop11h 15m

£450

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 30/11

17:25-12:00

Nonstop10h 35m

London Heathrow

Tue 9/12

06:35-19:35

1 stop21h 00m

£458

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 11/12

12:50-07:25

Nonstop10h 35m

London Heathrow

Tue 23/12

09:00-16:30

1 stop15h 30m

£461

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Tue 25/11

13:55-18:25

1 stop20h 30m

London City

Tue 2/12

18:55-11:50

1 stop24h 55m

£482

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Wed 31/12

13:55-16:35

1 stop18h 40m

London City

Tue 20/1

20:05-11:50

1 stop23h 45m

£483

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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

Airlines

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Other information

What is the typical price of a round-trip flight between San Francisco and London?

What is the cheapest month to fly to London?

The cheapest month to fly to London from San Francisco is in September. Flight prices, which tend to average around £506, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from San Francisco averaging around £509.

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

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £514. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to London for around £656.

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 £560. Flights at midday are often more expensive, with an average ticket price of £820.

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 £587 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 £554 on momondo.

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

There are 4 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 11% 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 November 2025, prices for San Francisco to London flights are approximately 2% 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

Best price found	£299
Fastest flight time	10h 10m
Direct flights	Every day
Airports in London	1 airport

The best one-way flight to London from San Francisco in the past 72 hours is £299. The best return flight deal from San Francisco to London found on momondo in the last 72 hours is £488.

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)

Search flight deals

How far is San Francisco to London by plane?
A flight from San Francisco to London will travel around 5349.7 mi. A reasonable flight in good conditions will take 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 were last updated today.
How many operators does momondo search for flights from San Francisco Airport to London?
There are 7 operators available for flights from San Francisco Airport to London as of November 2025.
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 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 San Francisco Airport to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
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 34.27% of all bookings. The subsequent popular models are Airbus A380-800 at 20.31%, Boeing 787-9 Dreamliner at 18.61%, and Airbus A380 at 6.89%.
What is the most popular airline from San Francisco to London?
Based on momondo bookings for flights between San Francisco and London, the leading airline is Virgin Atlantic, making up 28% of the total bookings. Other popular airlines include United Airlines with 27%, British Airways with 17%, and Lufthansa with 13%.

Best airlines flying from San Francisco to London

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

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom £364	Free Cancellation	Rating 7.4 1,564 reviews	Search Scandinavian Airlines flights
KLM	PriceFrom £374	Free Cancellation	Rating 7.7 1,405 reviews	Search KLM flights
Virgin Atlantic	PriceFrom £378	Free Cancellation	Rating 7.5 672 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom £396	Free Cancellation	Rating 6.7 7,500 reviews	Search British Airways flights
Lufthansa	PriceFrom £423	Free Cancellation	Rating 6.8 7,558 reviews	Search Lufthansa flights
United Airlines	PriceFrom £427	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
Iberia	PriceFrom £436	Free Cancellation	Rating 7.0 3,007 reviews	Search Iberia flights

KLM Flights From San Francisco to London
The lowest priced KLM flight from San Francisco to London from the last 72 hours was £374. Generally, KLM has 7 flights on this route every week with an average price of £485. KLM is rated 7.7/10 by our users.
Virgin Atlantic Flights From San Francisco to London
The best Virgin Atlantic deal for San Francisco to London flight tickets found on momondo in the last 72 hours was £378, round-trip. It should be noted that an average Virgin Atlantic flight deal for this route in this time was higher, at £576 round-trip. Virgin Atlantic operates 7 flights out of San Francisco into London in an average week, so prices vary by time and availability. 672 Virgin Atlantic reviews by users on momondo have scored the airline at 7.5/10.

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Bedford

Winchester

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to London . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to London from San Francisco with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from San Francisco.

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

If you are not ready to book a flight from San Francisco to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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Cheap flights from San Francisco to London from £267

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 1/4. 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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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 typical price of a round-trip flight between San Francisco and London?

What is the cheapest month to fly to London?

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

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £514. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to London for around £656.

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 £560. Flights at midday are often more expensive, with an average ticket price of £820.

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 4 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 11% 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 November 2025, prices for San Francisco to London flights are approximately 2% more expensive when compared to flights at the same time last year.

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

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

Which airlines fly to London?

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

Copenhagen (CPH) was the most common stop: 86% of momondo users choosing one-stop flights on this route connected there.

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

Flights via Copenhagen (CPH) offer the lowest average return price of £374.

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

Flights connecting via Copenhagen (CPH) have the shortest average one-way travel time: 14h 00m.

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

Copenhagen (CPH) has the shortest average stopover time for this route: 1h 10m.

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

The number of flights available between San Francisco and London is 31 per day as of November 2025. The most frequent departure time is 17:00, with 72% of daily flights leaving in the afternoon.

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

As of November 2025, there are 217 flights per week flying from San Francisco to London. The most common day of the week flights depart is Mon, with 14% of flights 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

Best price found

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 many operators does momondo search 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?

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

Best airlines flying from San Francisco to London

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

KLM Flights From San Francisco to London

Virgin Atlantic Flights 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.