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.

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

Flights via Zurich (ZRH) offer the lowest average return price of £215.

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

British Airways, SWISS, and Air Canada are the most popular carriers operating from San Francisco to London

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

Lisbon (LIS) was the most common stop: 45% of momondo users choosing one-stop flights on this route connected there.

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

As of September 2025, there are 294 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.

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

The number of flights available between San Francisco and London is 42 per day as of September 2025. The most frequent departure time is 16:00, with 59% of daily flights leaving in the afternoon.

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 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 9 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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.

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.

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 9 operators available for flights from San Francisco Airport to London as of September 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.

£280 Cheap Flights from San Francisco to London in 2025/26

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Round-trip

One-way

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Direct

Cheap return flights

08:30 - 19:25SFO-STN

26h 55m2 stops

14:15 - 16:10STN-SFO

33h 55m2 stops

£383

Find Deal

Tue, 30 Sep - Mon, 6 Oct

15:30 - 17:40SFO-LHR

18h 10m2 stops

06:40 - 14:35LHR-SFO

15h 55m1 stop

£383Scandinavian Airlines

Find Deal

Mon, 13 Oct - Mon, 10 Nov

08:25 - 18:00SFO-STN

25h 35m2 stops

07:40 - 21:22STN-SFO

21h 42m2 stops

£384

Find Deal

Wed, 5 Nov - Wed, 12 Nov

17:25 - 12:00SFO-LHR

10h 35mdirect

09:00 - 16:30LHR-SFO

15h 30m1 stop

£411United Airlines

Find Deal

Fri, 14 Nov - Sun, 16 Nov

13:05 - 07:25SFO-LHR

10h 20mdirect

13:45 - 16:35LHR-SFO

34h 50m1 stop

£419United Airlines

Find Deal

Mon, 6 Oct - Tue, 21 Oct

08:00 - 10:40SFO-LGW

18h 40m2 stops

12:20 - 09:22LGW-SFO

29h 02m2 stops

£428British Airways

Find Deal

Wed, 8 Oct - Wed, 22 Oct

13:55 - 16:35SFO-LCY

18h 40m1 stop

18:55 - 11:50LCY-SFO

24h 55m1 stop

£468Virgin Atlantic

Find Deal

Wed, 26 Nov - Wed, 3 Dec

13:45 - 18:30SFO-LCY

20h 45m1 stop

20:05 - 11:50LCY-SFO

23h 45m1 stop

£469Virgin Atlantic

Find Deal

Tue, 14 Oct - Thu, 5 Feb

14:40 - 16:25SFO-LCY

17h 45m1 stop

19:10 - 12:40LCY-SFO

25h 30m1 stop

£495Lufthansa

Find Deal

Mon, 13 Oct - Mon, 20 Oct

14:40 - 16:25SFO-LCY

17h 45m1 stop

09:40 - 01:04LCY-SFO

23h 24m2 stops

£497Lufthansa

Find Deal

Wed, 15 Oct - Thu, 18 Dec

Scandinavian Airlines flights from San Francisco to London

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

Scandinavian Airlines

13 Oct

SFO15:30San Francisco

18h 10m

2 stops

LHR17:40London Heathrow

10 Nov

LHR06:40London Heathrow

15h 55m

1 stop

SFO14:35San Francisco

£383

Find similar

Scandinavian Airlines

12 Nov

SFO15:30San Francisco

18h 10m

2 stops

LHR17:40London Heathrow

19 Nov

LHR19:50London Heathrow

26h 45m

2 stops

SFO14:35San Francisco

£384

Find similar

Scandinavian Airlines

12 Mar

SFO17:40San Francisco

17h 00m

1 stop

LHR17:40London Heathrow

19 Mar

LHR06:40London Heathrow

15h 55m

1 stop

SFO15:35San Francisco

£389

Find similar

Air Canada flights from San Francisco to London

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

Air Canada

22 Sept

SFO23:45San Francisco

25h 50m

1 stop

LHR09:35London Heathrow

7 Oct

LHR14:10London Heathrow

28h 18m

1 stop

SFO10:28San Francisco

£410

Find similar

Air Canada

23 Sept

SFO11:40San Francisco

13h 55m

1 stop

LHR09:35London Heathrow

2 Oct

LHR09:30London Heathrow

19h 23m

2 stops

SFO20:53San Francisco

£437

Find similar

Air Canada

21 Sept

SFO07:25San Francisco

18h 35m

1 stop

LHR10:00London Heathrow

7 Oct

LHR09:30London Heathrow

19h 23m

2 stops

SFO20:53San Francisco

£440

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 30/9

08:30-19:25

2 stops26h 55m

London Stansted

Mon 6/10

14:15-16:10

2 stops33h 55m

£383

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 13/10

15:30-17:40

2 stops18h 10m

London Heathrow

Mon 10/11

06:40-14:35

1 stop15h 55m

£383

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 5/11

08:25-18:00

2 stops25h 35m

London Stansted

Wed 12/11

07:40-21:22

2 stops21h 42m

£384

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 14/11

17:25-12:00

Nonstop10h 35m

London Heathrow

Sun 16/11

09:00-16:30

1 stop15h 30m

£411

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 6/10

13:05-07:25

Nonstop10h 20m

London Heathrow

Tue 21/10

13:45-16:35

1 stop34h 50m

£419

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 8/10

08:00-10:40

2 stops18h 40m

London Gatwick

Wed 22/10

12:20-09:22

2 stops29h 02m

£428

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Wed 26/11

13:55-16:35

1 stop18h 40m

London City

Wed 3/12

18:55-11:50

1 stop24h 55m

£468

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Tue 14/10

13:45-18:30

1 stop20h 45m

London City

Thu 5/2

20:05-11:50

1 stop23h 45m

£469

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Mon 13/10

14:40-16:25

1 stop17h 45m

London City

Mon 20/10

19:10-12:40

1 stop25h 30m

£495

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Wed 15/10

14:40-16:25

1 stop17h 45m

London City

Thu 18/12

09:40-01:04

2 stops23h 24m

£497

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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

Stopovers

Other information

What is the cheapest month to fly to London?

The cheapest month to fly to London from San Francisco is in October. Flight prices, which tend to average around £475, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from San Francisco averaging around £488.

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 £489. 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 £681.

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 £535. Flights at midday are often more expensive, with an average ticket price of £790.

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 £564 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 £520 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 26% 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 September 2025, prices for San Francisco to London flights are approximately 94% 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 £468.

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 20m.
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 9 operators available for flights from San Francisco Airport to London as of September 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 30.97% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 24.89%, Airbus A380-800 at 14.74%, and Boeing 777-300ER at 10.55%.
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 29% of the total bookings. Other popular airlines include United Airlines with 25%, British Airways with 18%, 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 £351	Free Cancellation	Rating 7.4 1,484 reviews	Search Scandinavian Airlines flights
Virgin Atlantic	PriceFrom £364	Free Cancellation	Rating 7.4 664 reviews	Search Virgin Atlantic flights
KLM	PriceFrom £365	Free Cancellation	Rating 7.8 1,385 reviews	Search KLM flights
British Airways	PriceFrom £382	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
TAP AIR PORTUGAL	PriceFrom £386	Free Cancellation	Rating 7.1 1,975 reviews	Search TAP AIR PORTUGAL flights
United Airlines	PriceFrom £412	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights
Iberia	PriceFrom £420	Free Cancellation	Rating 7.0 2,924 reviews	Search Iberia flights
Lufthansa	PriceFrom £425	Free Cancellation	Rating 6.8 7,407 reviews	Search Lufthansa flights
Air Canada	PriceFrom £429	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights

KLM Flights From San Francisco to London
The lowest priced KLM flight from San Francisco to London from the last 72 hours was £496. Generally, KLM has 14 flights on this route every week with an average price of £635. KLM is rated 7.8/10 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 £495, round-trip. It should be noted that an average Virgin Atlantic flight deal for this route in this time was higher, at £733 round-trip. Virgin Atlantic operates 14 flights out of San Francisco into London in an average week, so prices vary by time and availability. 664 Virgin Atlantic reviews by users on momondo have scored the airline at 7.4/10.

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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 £280

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 10/11. 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

Air Canada flights from San Francisco to London

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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?

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 £489. 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 £681.

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 £535. Flights at midday are often more expensive, with an average ticket price of £790.

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 26% 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 September 2025, prices for San Francisco to London flights are approximately 94% more expensive when compared to flights at the same time last year.

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

British Airways, SWISS, and Air Canada 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?

Lisbon (LIS) was the most common stop: 45% 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 Zurich (ZRH) offer the lowest average return price of £215.

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 42 per day as of September 2025. The most frequent departure time is 16:00, with 59% of daily flights leaving in the afternoon.

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

As of September 2025, there are 294 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.

Get notified when prices go down