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.

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

Copenhagen (CPH) was the most common stop: 45% of momondo users choosing 1-stop flights on this route connected there.

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

35 flights are operational daily from San Francisco to London as of October 2025. The most popular departure time for this route is 4:00PM, with 58% of flights per day taking off in the afternoon.

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

WestJet, JetBlue, and SWISS are the most popular carriers operating from San Francisco to London

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.

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

As of October 2025, 249 flights take off from San Francisco and land in London each week. The most common flight departure day for this route is Tue, with 15% 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 October 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.

$354 Cheap Flights from San Francisco to London in 2025/26

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4:40 pm - 11:00 pmSFO-STN

22h 20m2 stops

3:15 pm - 2:35 pmSTN-SFO

31h 20m2 stops

$584Multiple Airlines

Find Deal

dom., nov. 2 - vie., nov. 7

8:00 am - 6:50 amSFO-LHR

14h 50m1 stop

11:45 am - 3:00 pmLHR-SFO

11h 15mnonstop

$584Iberia

Find Deal

mié., dic. 31 - vie., ene. 30

5:30 pm - 10:40 amSFO-LHR

10h 10mnonstop

11:40 am - 2:40 pmLHR-SFO

11h 00mnonstop

$585Delta

Find Deal

dom., oct. 26 - mar., nov. 4

7:05 am - 6:55 amSFO-LHR

15h 50m1 stop

11:40 am - 2:40 pmLHR-SFO

11h 00mnonstop

$589Delta

Find Deal

mié., nov. 19 - mié., nov. 26

5:30 pm - 12:00 pmSFO-LHR

10h 30mnonstop

3:25 pm - 6:45 pmLHR-SFO

11h 20mnonstop

$592British Airways

Find Deal

mar., ene. 20 - vie., ene. 30

5:25 pm - 12:00 pmSFO-LHR

10h 35mnonstop

6:35 am - 2:50 pmLHR-SFO

16h 15m1 stop

$604United Airlines

Find Deal

lun., nov. 3 - mar., nov. 25

1:20 pm - 11:50 amSFO-LHR

14h 30m1 stop

6:35 am - 3:50 pmLHR-SFO

16h 15m1 stop

$605United Airlines

Find Deal

mié., nov. 19 - mié., mar. 25

10:16 am - 10:25 amSFO-LHR

17h 09m1 stop

11:45 am - 3:00 pmLHR-SFO

11h 15mnonstop

$619British Airways

Find Deal

mar., oct. 28 - jue., nov. 6

1:55 pm - 5:20 pmSFO-LCY

19h 25m1 stop

5:50 pm - 11:50 amLCY-SFO

26h 00m1 stop

$634Virgin Atlantic

Find Deal

mié., dic. 31 - jue., ene. 15

5:50 am - 7:15 amSFO-LCY

17h 25m2 stops

5:50 pm - 11:50 amLCY-SFO

26h 00m1 stop

$640Virgin Atlantic

Find Deal

dom., nov. 16 - mar., nov. 25

Lufthansa flights from San Francisco to London

Our best Lufthansa deals on San Francisco to London flight tickets

Lufthansa

Oct 29

SFO10:40 pmSan Francisco

17h 15m

1 stop

LHR10:55 pmLondon Heathrow

Nov 6

LHR9:30 amLondon Heathrow

18h 05m

2 stops

SFO7:35 pmSan Francisco

$598

Find similar

Lufthansa

Nov 4

SFO9:40 pmSan Francisco

15h 20m

1 stop

LHR9:00 pmLondon Heathrow

Nov 17

LHR7:15 pmLondon Heathrow

25h 25m

2 stops

SFO12:40 pmSan Francisco

$631

Find similar

Lufthansa

Oct 22

SFO9:05 pmSan Francisco

15h 40m

1 stop

LHR8:45 pmLondon Heathrow

Oct 28

LHR8:15 pmLondon Heathrow

24h 25m

2 stops

SFO1:40 pmSan Francisco

$632

Find similar

United Airlines flights from San Francisco to London

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

United Airlines

Nov 3

SFO5:25 pmSan Francisco

10h 35m

LHR12:00 pmLondon Heathrow

Nov 25

LHR6:35 amLondon Heathrow

16h 15m

1 stop

SFO2:50 pmSan Francisco

$604

Find similar

United Airlines

Nov 19

SFO1:20 pmSan Francisco

14h 30m

1 stop

LHR11:50 amLondon Heathrow

Mar 25

LHR6:35 amLondon Heathrow

16h 15m

1 stop

SFO3:50 pmSan Francisco

$605

Find similar

United Airlines

Oct 21

SFO7:50 pmSan Francisco

10h 20m

LHR2:10 pmLondon Heathrow

Nov 7

LHR9:00 amLondon Heathrow

15h 30m

1 stop

SFO4:30 pmSan Francisco

$606

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

dom. 11/2

4:40 pm-11:00 pm

2 stops22h 20m

London Stansted

vie. 11/7

3:15 pm-2:35 pm

2 stops31h 20m

$584

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mié. 12/31

8:00 am-6:50 am

1 stop14h 50m

London Heathrow

vie. 1/30

11:45 am-3:00 pm

Nonstop11h 15m

$584

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

dom. 10/26

5:30 pm-10:40 am

Nonstop10h 10m

London Heathrow

mar. 11/4

11:40 am-2:40 pm

Nonstop11h 00m

$585

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mié. 11/19

7:05 am-6:55 am

1 stop15h 50m

London Heathrow

mié. 11/26

11:40 am-2:40 pm

Nonstop11h 00m

$589

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mar. 1/20

5:30 pm-12:00 pm

Nonstop10h 30m

London Heathrow

vie. 1/30

3:25 pm-6:45 pm

Nonstop11h 20m

$592

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

lun. 11/3

5:25 pm-12:00 pm

Nonstop10h 35m

London Heathrow

mar. 11/25

6:35 am-2:50 pm

1 stop16h 15m

$604

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mié. 11/19

1:20 pm-11:50 am

1 stop14h 30m

London Heathrow

mié. 3/25

6:35 am-3:50 pm

1 stop16h 15m

$605

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mar. 10/28

10:16 am-10:25 am

1 stop17h 09m

London Heathrow

jue. 11/6

11:45 am-3:00 pm

Nonstop11h 15m

$619

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

mié. 12/31

1:55 pm-5:20 pm

1 stop19h 25m

London City

jue. 1/15

5:50 pm-11:50 am

1 stop26h 00m

$634

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

dom. 11/16

5:50 am-7:15 am

2 stops17h 25m

London City

mar. 11/25

5:50 pm-11:50 am

1 stop26h 00m

$640

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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 September. Flight prices, which tend to average around $662, 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 $665.

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 $811. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $943. 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 $974. 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 $769 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 $729 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.

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

As of October 2025, prices for San Francisco to London flights are approximately 52% 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	$407
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 $407. The best round-trip flight deal from San Francisco to London found on momondo in the last 72 hours is $678.

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 10m.
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 October 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 32.86% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 21.44%, Airbus A380-800 with 16.49%, and Boeing 777-300ER with 11.80%.
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 34% of the total bookings. Other popular airlines include British Airways with 21%, Iberia with 13%, 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 $151	Free Cancellation	Rating 7.2 2,907 reviews	Search JetBlue flights
Scandinavian Airlines	PriceFrom $333	Free Cancellation	Rating 7.4 1,533 reviews	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	PriceFrom $433	Free Cancellation	Rating 7.1 2,016 reviews	Search TAP AIR PORTUGAL flights
SWISS	PriceFrom $475	Free Cancellation	Rating 7.5 1,772 reviews	Search SWISS flights
British Airways	PriceFrom $514	Free Cancellation	Rating 6.7 7,457 reviews	Search British Airways flights
Delta	PriceFrom $562	Free Cancellation	Rating 7.9 7,982 reviews	Search Delta flights
Lufthansa	PriceFrom $566	Free Cancellation	Rating 6.8 7,497 reviews	Search Lufthansa flights
United Airlines	PriceFrom $571	Free Cancellation	Rating 7.4 8,982 reviews	Search United Airlines flights
Iberia	PriceFrom $572	Free Cancellation	Rating 7.0 2,994 reviews	Search Iberia flights
Virgin Atlantic	PriceFrom $577	Free Cancellation	Rating 7.5 670 reviews	Search Virgin Atlantic flights

Delta Flights From San Francisco to London
The lowest priced Delta flight from San Francisco to London from the last 72 hours was $562. Generally, Delta has 5 flights on this route every week with an average price of $844. Delta is rated 7.9/10 by our users.
KLM Flights From San Francisco to London
KLM (7.7/10 from 1,404 reviews) operates around 5 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

Milton Keynes

Luton

Dover

Slough

Guildford

Dartford

Crawley

Hayes

Brentwood

Chelmsford

Colchester

Folkestone

Romford

Ilford

Cobham

Wembley

Stansted

Watford

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

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.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

London City Airport

London Gatwick Airport

London Heathrow Airport

London Luton Airport

London Southend Airport

London Stansted Airport

Popular cities in the United Kingdom

Flights to Manchesterfrom $364

Flights to Edinburghfrom $359

Flights to Glasgowfrom $400

Flights to Birminghamfrom $401

Flights to Newcastle upon Tynefrom $499

Flights to Belfastfrom $523

Flights to Bristolfrom $437

Flights to Invernessfrom $414

Flights to Liverpoolfrom $433

Flights to Aberdeenfrom $521

Flights to Leedsfrom $450

Flights to Cardifffrom $453

Cheap flights from San Francisco to London from $354

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 10/31. 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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Lufthansa flights from San Francisco to London

Our best Lufthansa deals on San Francisco to London flight tickets

United Airlines flights from San Francisco to London

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

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

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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.

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

As of October 2025, prices for San Francisco to London flights are approximately 52% more expensive when compared to flights at the same time last year.

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

WestJet, JetBlue, and SWISS 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: 45% 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?

35 flights are operational daily from San Francisco to London as of October 2025. The most popular departure time for this route is 4:00PM, with 58% of flights per day taking off in the afternoon.

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

As of October 2025, 249 flights take off from San Francisco and land in London each week. The most common flight departure day for this route is Tue, with 15% 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

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London