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

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 13h 10m.

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

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

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

Copenhagen (CPH) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to London?

United Airlines, British Airways and Virgin Atlantic 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 42% of people opting to fly with this airline when traveling to London. Keep in mind that there are 17 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 28m.

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

Flights via Lisbon (LIS) offer the lowest average round-trip price of $499.

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

42 flights are operational daily from San Francisco to London as of September 2025. The most popular departure time for this route is 4:00PM, with 59% of flights per day taking off in the afternoon.

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

As of September 2025, 294 flights take off from San Francisco and land in London each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

Which airlines fly direct from San Francisco to London?

The fastest flight from San Francisco to London takes 9h 15min and various airlines offer direct flights for this route. These include Norse Atlantic UK, Virgin Atlantic, American Airlines, Iberia, British Airways, Finnair, Lufthansa, and Envoy Air. You can depart from several airports in San Francisco including San Francisco Airport (SFO), San Jose Airport (SJC), and Oakland Airport (OAK) depending on the flight you choose. The arrival airport also varies with the different airline flights landing at London Heathrow Airport (LHR), London Gatwick Airport (LGW), and London City Airport (LCY) depending on the departure airport and airline chosen. What is the best way to get in and out of airports in San Francisco and London? BART provides an affordable and convenient way to commute to and from San Francisco Airport (SFO) and Oakland Airport (OAK) and various destinations in the Bay Area, including downtown San Francisco and Oakland. You can take the BART directly from the airport. You can take the BART shuttle bus from the OAK airport to the Coliseum station, and then take the BART to the train and then to your destination. VTA Route 60 (Airport Flyer): This bus service connects San Jose International Airport (SJC) to the Milpitas BART Station and Winchester VTA Station. It is a cheap and convenient option for getting to and from SJC airport. London City Airport (LCY) is located in East London and offers DLR (Docklands Light Railway) and underground, to and from the city. Gatwick Airport (LGW) is located south of London and offers train (Gatwick Express or Southern Rail) and coach to and from the city. Heathrow Airport (LHR) is well-connected to the city by train (Heathrow Express or TfL Rail), underground (Piccadilly Line), and bus. What are the benefits of the different airports in San Francisco and London? San Francisco International Airport (SFO) is the largest airport in Northern California and offers a wide range of domestic and international flights. SFO is known for its modern facilities and efficient terminal operations, making it a popular choice for travelers. Oakland Airport (OAK) is located in the East Bay and offers a variety of domestic and international flights. It offers convenient and affordable parking options to travelers. San Jose International Airport (SJC) is located in the heart of Silicon Valley and offers security checks as the traffic is minimal. London Heathrow Airport (LHR) is one of the busiest airports in the world and offers a wide range of domestic and international flights. It is well-connected with several public transportation options making it easily accessible. London City Airport (LCY) is located in the heart of London and is known for its convenience and fast check-in and security procedures. London Gatwick Airport (LGW) offers convenient parking options and a range of shopping and dining options. Which cities can you get to from London Heathrow Airport (LHR)? London Heathrow Airport (LHR) is the largest airport in the United Kingdom and offers a variety of transportation options for travelers to reach different cities and destinations. The city of London is easily accessible from LHR via the Heathrow Express train or the London Underground, which takes about 15-30 minutes. Southampton is located about 75 miles southwest of London and can be reached from LHR via a combination of train and bus or car. There is no direct train service between LHR and Southampton, but you can take a train to London Waterloo Station and then transfer to a train to Southampton. Cambridge is located about 75 miles north of London and can be reached from LHR via a combination of train and bus or car. You can take a train from LHR to London Kings Cross station and then transfer to a train to Cambridge. These cities are also accessible by taxi or you can rent a car at the airport.

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

Prices for flights from San Francisco Airport to London refresh daily.

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

There are 17 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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.

$381 Cheap Flights from San Francisco to London in 2025/26

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Cheap round-trip flights

8:30 am - 7:25 pmSFO-STN

26h 55m2 stops

2:15 pm - 4:10 pmSTN-SFO

33h 55m2 stops

$520

Find Deal

Tue, Sep 30 - Mon, Oct 6

3:30 pm - 5:40 pmSFO-LHR

18h 10m2 stops

6:40 am - 2:35 pmLHR-SFO

15h 55m1 stop

$520Scandinavian Airlines

Find Deal

Mon, Oct 13 - Mon, Nov 10

8:25 am - 6:00 pmSFO-STN

25h 35m2 stops

7:40 am - 9:22 pmSTN-SFO

21h 42m2 stops

$521

Find Deal

Wed, Nov 5 - Tue, Nov 11

5:25 pm - 12:00 pmSFO-LHR

10h 35mnonstop

9:00 am - 4:30 pmLHR-SFO

15h 30m1 stop

$559United Airlines

Find Deal

Fri, Nov 14 - Sun, Nov 16

1:05 pm - 7:25 amSFO-LHR

10h 20mnonstop

1:45 pm - 4:35 pmLHR-SFO

34h 50m1 stop

$569United Airlines

Find Deal

Mon, Oct 6 - Tue, Oct 21

8:00 am - 10:40 amSFO-LGW

18h 40m2 stops

12:20 pm - 9:22 amLGW-SFO

29h 02m2 stops

$581British Airways

Find Deal

Wed, Oct 8 - Wed, Oct 22

1:55 pm - 4:35 pmSFO-LCY

18h 40m1 stop

6:55 pm - 11:50 amLCY-SFO

24h 55m1 stop

$636Virgin Atlantic

Find Deal

Wed, Nov 26 - Wed, Dec 3

1:55 pm - 4:35 pmSFO-LCY

18h 40m1 stop

6:55 pm - 12:50 pmLCY-SFO

24h 55m1 stop

$637Virgin Atlantic

Find Deal

Wed, Nov 19 - Wed, Mar 25

12:35 pm - 4:40 pmSFO-LCY

20h 05m2 stops

10:00 am - 7:30 pmLCY-SFO

17h 30m2 stops

$652Delta

Find Deal

Tue, Oct 14 - Wed, Oct 22

10:45 pm - 4:40 pmSFO-LCY

33h 55m2 stops

10:00 am - 11:45 amLCY-SFO

33h 45m1 stop

$680Delta

Find Deal

Sat, Sep 27 - Tue, Oct 7

Scandinavian Airlines flights from San Francisco to London

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

Scandinavian Airlines

Oct 13

SFO3:30 pmSan Francisco

18h 10m

2 stops

LHR5:40 pmLondon Heathrow

Nov 10

LHR6:40 amLondon Heathrow

15h 55m

1 stop

SFO2:35 pmSan Francisco

$520

Find similar

Scandinavian Airlines

Nov 12

SFO3:30 pmSan Francisco

18h 10m

2 stops

LHR5:40 pmLondon Heathrow

Nov 19

LHR7:50 pmLondon Heathrow

26h 45m

2 stops

SFO2:35 pmSan Francisco

$522

Find similar

Scandinavian Airlines

Oct 27

SFO8:59 pmSan Francisco

38h 31m

2 stops

LHR6:30 pmLondon Heathrow

Nov 12

LHR7:30 pmLondon Heathrow

27h 05m

1 stop

SFO2:35 pmSan Francisco

$528

Find similar

TAP AIR PORTUGAL flights from San Francisco to London

Our best TAP AIR PORTUGAL deals on San Francisco to London flight tickets

TAP AIR PORTUGAL

Oct 29

SFO5:35 pmSan Francisco

34h 50m

1 stop

LHR11:25 amLondon Heathrow

Nov 8

LHR6:00 amLondon Heathrow

16h 45m

1 stop

SFO2:45 pmSan Francisco

$526

Find similar

TAP AIR PORTUGAL

Oct 13

SFO4:20 pmSan Francisco

15h 15m

1 stop

LGW3:35 pmLondon Gatwick

Oct 20

LGW4:25 pmLondon Gatwick

29h 10m

1 stop

SFO1:35 pmSan Francisco

$535

Find similar

TAP AIR PORTUGAL

Dec 1

SFO4:35 pmSan Francisco

20h 00m

2 stops

LGW8:35 pmLondon Gatwick

Dec 12

LGW4:40 pmLondon Gatwick

30h 05m

1 stop

SFO2:45 pmSan Francisco

$537

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Tue 9/30

8:30 am-7:25 pm

2 stops26h 55m

London Stansted

Mon 10/6

2:15 pm-4:10 pm

2 stops33h 55m

$520

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 10/13

3:30 pm-5:40 pm

2 stops18h 10m

London Heathrow

Mon 11/10

6:40 am-2:35 pm

1 stop15h 55m

$520

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Wed 11/5

8:25 am-6:00 pm

2 stops25h 35m

London Stansted

Tue 11/11

7:40 am-9:22 pm

2 stops21h 42m

$521

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 11/14

5:25 pm-12:00 pm

Nonstop10h 35m

London Heathrow

Sun 11/16

9:00 am-4:30 pm

1 stop15h 30m

$559

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 10/6

1:05 pm-7:25 am

Nonstop10h 20m

London Heathrow

Tue 10/21

1:45 pm-4:35 pm

1 stop34h 50m

$569

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 10/8

8:00 am-10:40 am

2 stops18h 40m

London Gatwick

Wed 10/22

12:20 pm-9:22 am

2 stops29h 02m

$581

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Wed 11/26

1:55 pm-4:35 pm

1 stop18h 40m

London City

Wed 12/3

6:55 pm-11:50 am

1 stop24h 55m

$636

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Wed 11/19

1:55 pm-4:35 pm

1 stop18h 40m

London City

Wed 3/25

6:55 pm-12:50 pm

1 stop24h 55m

$637

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Tue 10/14

12:35 pm-4:40 pm

2 stops20h 05m

London City

Wed 10/22

10:00 am-7:30 pm

2 stops17h 30m

$652

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Sat 9/27

10:45 pm-4:40 pm

2 stops33h 55m

London City

Tue 10/7

10:00 am-11:45 am

1 stop33h 45m

$680

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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

Layovers

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 $646, 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 $663.

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

The cheapest day to depart from San Francisco to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $807. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $945. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

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

Flying to London from San Francisco in the evening is the least expensive time of day to depart. momondo users have found prices as low as $854 when looking at flights departing in the evening. Flights to London are more costly at noon, with an average ticket price of $977. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $767 when searching weeks out. 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 $706 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 6% 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 round-trip 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	$389
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 $389. The best round-trip flight deal from San Francisco to London found on momondo in the last 72 hours is $655.

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?
London is 5349.7 mi away from San Francisco. In terms of flight time, this usually takes a little over 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 refresh daily.
How many operators does momondo search for flights from San Francisco Airport to London?
There are 17 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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?
Based on momondo bookings for flights between San Francisco and London, the leading plane model is Boeing 777, making up 30.97% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 24.89%, Airbus A380-800 with 14.74%, and Boeing 777-300ER with 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 United Airlines, making up 32% of the total bookings. Other popular airlines include British Airways with 20%, Iberia with 14%, and Virgin Atlantic with 10%.

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
JetBlue	PriceFrom $195	Free Cancellation	Rating 7.2 2,912 reviews	Search JetBlue flights
Scandinavian Airlines	PriceFrom $336	Free Cancellation	Rating 7.4 1,484 reviews	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	PriceFrom $433	Free Cancellation	Rating 7.1 1,975 reviews	Search TAP AIR PORTUGAL flights
British Airways	PriceFrom $514	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
SWISS	PriceFrom $541	Free Cancellation	Rating 7.5 1,730 reviews	Search SWISS flights
Delta	PriceFrom $564	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
United Airlines	PriceFrom $570	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights
Iberia	PriceFrom $572	Free Cancellation	Rating 7.0 2,924 reviews	Search Iberia flights
Finnair	PriceFrom $573	Free Cancellation	Rating 7.6 1,323 reviews	Search Finnair flights
Lufthansa	PriceFrom $573	Free Cancellation	Rating 6.8 7,407 reviews	Search Lufthansa flights

Delta Flights From San Francisco to London
The lowest priced Delta flight from San Francisco to London from the last 72 hours was $564. Generally, Delta has 14 flights on this route every week with an average price of $827. Delta is rated 7.9/10 by our users.
KLM Flights From San Francisco to London
KLM (7.8/10 from 1,385 reviews) operates around 14 flights from San Francisco to London in any given week. The average KLM airfare for this route is around $1,037, with deals from around $725 rare but found on momondo. Referenced prices are for round-trip San Francisco to London flight searches in the last 72 hours.

Gatwick

Hounslow

Dover

Luton

Slough

Milton Keynes

Hayes

Guildford

Dartford

Crawley

Stansted

Chelmsford

Brentwood

Ilford

Folkestone

Colchester

Watford

Wembley

Richmond

Croydon

Why use momondo?

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

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 London from San Francisco.

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

All flight searches from San Francisco to London on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to London from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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Flights to Manchesterfrom $392

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Flights to Leedsfrom $426

Flights to Cardifffrom $460

Cheap flights from San Francisco to London from $381

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 9/24. 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

TAP AIR PORTUGAL flights from San Francisco to London

Our best TAP AIR PORTUGAL 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?

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

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

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 6% 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, Air Canada, and United Airlines are the most popular carriers operating from San Francisco to London

What airlines fly to London?

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

Copenhagen (CPH) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Lisbon (LIS) offer the lowest average round-trip price of $499.

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

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 13h 10m.

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

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 28m.

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

42 flights are operational daily from San Francisco to London as of September 2025. The most popular departure time for this route is 4:00PM, with 59% of flights per day taking off in the afternoon.

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

As of September 2025, 294 flights take off from San Francisco and land in London each week. The most common flight departure day for this route is Mon, with 14% of weekly 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

Delta Flights From San Francisco to London

KLM Flights From San Francisco to London

Traveling 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, organize 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