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Cheap flights from San Francisco to London Heathrow Airport from $220

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 Heathrow Airport departing on 1/13. 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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Find the cheapest flights from San Francisco to London

Cheap round-trip flights

These are some of the best round-trip flight deals from San Francisco to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Francisco to London.

Cheap last minute flights

Planning a quick getaway from San Francisco to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from San Francisco to London

Find recent round-trip train or bus tickets from San Francisco to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
5:30 pm - 4:00 pmSFO-LHR
14h 30m1 stop
7:30 pm - 3:40 pmLHR-SFO
28h 10m1 stop
$492Scandinavian Airlines
Find Deal
Fri, Feb 14 - Sun, Feb 16
4:40 pm - 10:40 pmSFO-LHR
22h 00m1 stop
6:30 pm - 2:40 pmLHR-SFO
28h 10m1 stop
$495TAP AIR PORTUGAL
Find Deal
Mon, Jan 20 - Tue, Jan 28
4:35 pm - 5:30 pmSFO-LHR
16h 55m1 stop
8:15 am - 2:40 pmLHR-SFO
38h 25m1 stop
$504TAP AIR PORTUGAL
Find Deal
Wed, Jan 22 - Tue, Jan 28
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
$615Virgin Atlantic
Find Deal
Sun, Dec 29 - Tue, Jan 14
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
10:00 am - 11:50 amLHR-SFO
33h 50m1 stop
$622Virgin Atlantic
Find Deal
Sun, Dec 29 - Tue, Jan 14
1:00 pm - 10:10 amSFO-LHR
13h 10m1 stop
8:55 am - 4:25 pmLHR-SFO
15h 30m1 stop
$632United Airlines
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Sun, Dec 29 - Fri, Jan 17
12:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
8:55 am - 4:25 pmLHR-SFO
15h 30m1 stop
$633United Airlines
Find Deal
Tue, Dec 31 - Wed, Jan 15
4:35 pm - 11:00 amSFO-LHR
10h 25mnonstop
10:45 am - 1:50 pmLHR-SFO
11h 05mnonstop
$636British Airways
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Tue, Apr 1 - Thu, Apr 17
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
$641British Airways
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Tue, Jan 21 - Wed, Jan 29
1:30 pm - 11:10 amSFO-LHR
13h 40m1 stop
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
$665Delta
Find Deal
Tue, Jan 7 - Wed, Jan 22
3:05 pm - 12:50 pmSFO-LHR
37h 45m2 stops
Mon, Jan 13
1:55 pm - 12:50 pmSFO-LHR
14h 55m1 stop
$223WestJet
Find Deal
Fri, Jan 10
3:05 pm - 12:50 pmSFO-LHR
37h 45m2 stops
Mon, Jan 13
12:35 pm - 9:45 amSFO-LHR
13h 10m1 stop
$378Virgin Atlantic
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Tue, Dec 31
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$392Virgin Atlantic
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Tue, Dec 31
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
$407British Airways
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Sat, Jan 18
12:59 am - 7:55 amSFO-LHR
22h 56m1 stop
$408United Airlines
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Mon, Dec 30
8:00 am - 7:20 amSFO-LHR
15h 20m1 stop
$410British Airways
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Wed, Jan 15
12:59 am - 6:40 amSFO-LHR
21h 41m2 stops
$414United Airlines
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Mon, Dec 30
10:45 pm - 6:50 amSFO-LHR
24h 05m1 stop
$419Delta
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Mon, Jan 6
10:40 pm - 6:40 amSFO-LHR
24h 00m1 stop
8:55 am - 4:25 pmLHR-SFO
15h 30m1 stop
$822United Airlines
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Mon, Dec 23 - Sun, Jan 19
10:40 pm - 6:40 amSFO-LHR
24h 00m1 stop
6:50 am - 8:58 pmLHR-SFO
22h 08m2 stops
$839United Airlines
Find Deal
Mon, Dec 23 - Sun, Jan 19
8:00 am - 9:40 amSFO-LHR
17h 40m1 stop
11:15 am - 9:06 pmLHR-SFO
17h 51m1 stop
$1,013Iberia
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Thu, Dec 19 - Wed, Dec 25
8:00 am - 9:40 amSFO-LHR
17h 40m1 stop
3:35 pm - 12:15 amLHR-SFO
16h 40m1 stop
$1,044Iberia
Find Deal
Thu, Dec 19 - Mon, Dec 23
8:55 pm - 9:40 amSFO-LHR
28h 45m1 stop
8:30 am - 8:05 pmLHR-SFO
19h 35m1 stop
$1,065Lufthansa
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Sun, Dec 22 - Sun, Dec 29
8:28 am - 9:40 amSFO-LHR
17h 12m1 stop
4:25 pm - 9:50 amLHR-SFO
25h 25m1 stop
$1,082British Airways
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Thu, Dec 19 - Thu, Jan 9
9:00 am - 12:00 pmSFO-LHR
19h 00m1 stop
11:50 am - 8:55 pmLHR-SFO
17h 05m1 stop
$1,151American Airlines
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Thu, Dec 19 - Wed, Dec 25
8:28 am - 9:40 amSFO-LHR
17h 12m1 stop
9:25 am - 6:36 pmLHR-SFO
17h 11m1 stop
$1,168British Airways
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Thu, Dec 19 - Thu, Dec 26
6:35 pm - 9:40 amSFO-LHR
31h 05m1 stop
8:30 am - 3:55 pmLHR-SFO
15h 25m1 stop
$1,322Lufthansa
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Sat, Dec 21 - Wed, Jun 18
8:40 pm - 3:15 pmSFO-LHR
10h 35mnonstop
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
$1,474American Airlines
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Thu, Dec 19 - Thu, Dec 26
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
$615Virgin Atlantic
Find Deal
Sun, Dec 29 - Tue, Jan 14
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
3:20 pm - 6:45 pmLHR-SFO
11h 25mnonstop
$626British Airways
Find Deal
Mon, Feb 24 - Tue, Mar 4
8:40 pm - 3:15 pmSFO-LHR
10h 35mnonstop
3:20 pm - 6:45 pmLHR-SFO
11h 25mnonstop
$627British Airways
Find Deal
Mon, Feb 24 - Tue, Mar 4
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
$631Virgin Atlantic
Find Deal
Sun, Dec 29 - Tue, Jan 14
6:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
11:45 am - 4:00 pmLHR-SFO
11h 15mnonstop
$634Iberia
Find Deal
Sun, Mar 16 - Wed, Mar 26
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
$647Iberia
Find Deal
Wed, Jan 8 - Fri, Jan 17
12:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
$650United Airlines
Find Deal
Sun, Dec 29 - Tue, Jan 14
12:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
$651United Airlines
Find Deal
Sun, Dec 29 - Tue, Jan 14
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
$660Delta
Find Deal
Mon, Feb 10 - Tue, Feb 18
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
$690Delta
Find Deal
Fri, Jan 31 - Fri, Feb 21

TAP AIR PORTUGAL flights from San Francisco to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on San Francisco to London Heathrow Airport flight tickets
TAP AIR PORTUGAL
Jan 20
SFO4:40 pmSan Francisco
22h 00m
1 stop
LHR10:40 pmLondon Heathrow
Jan 28
LHR6:30 pmLondon Heathrow
28h 10m
1 stop
SFO2:40 pmSan Francisco
TAP AIR PORTUGAL
Jan 22
SFO4:35 pmSan Francisco
16h 55m
1 stop
LHR5:30 pmLondon Heathrow
Jan 28
LHR8:15 amLondon Heathrow
38h 25m
1 stop
SFO2:40 pmSan Francisco
TAP AIR PORTUGAL
Jan 29
SFO4:35 pmSan Francisco
18h 20m
1 stop
LHR6:55 pmLondon Heathrow
Feb 2
LHR6:30 pmLondon Heathrow
28h 15m
1 stop
SFO2:45 pmSan Francisco

JetBlue flights from San Francisco to London Heathrow Airport

Our best JetBlue deals on San Francisco to London Heathrow Airport flight tickets
JetBlue
Feb 12
SFO10:35 pmSan Francisco
14h 10m
1 stop
LHR8:45 pmLondon Heathrow
Feb 19
LHR8:25 amLondon Heathrow
23h 30m
1 stop
SFO11:55 pmSan Francisco
JetBlue
Feb 4
SFO10:35 pmSan Francisco
14h 10m
1 stop
LHR8:45 pmLondon Heathrow
Feb 18
LHR8:25 amLondon Heathrow
23h 30m
1 stop
SFO11:55 pmSan Francisco
JetBlue
Mar 18
SFO4:47 pmSan Francisco
20h 58m
1 stop
LHR8:45 pmLondon Heathrow
Mar 28
LHR8:25 amLondon Heathrow
18h 04m
1 stop
SFO7:29 pmSan Francisco

See travel insights to London from

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

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 Heathrow Airport?

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from San Francisco, with most prices found around $643. If you’re not able to fly to London Heathrow Airport in October, then September is your next best option. Flight prices from San Francisco to London Heathrow Airport during September average around $678.

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

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $800. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $909.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from San Francisco to London Heathrow Airport in the afternoon for as low as $810. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $881.

What is the cheapest San Francisco to London Heathrow flight route?

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

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

We recommend purchasing flights from San Francisco to London Heathrow Airport 29 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to London Heathrow Airport for $810. Don’t hesitate to check prices now though because momondo users recently found tickets for as low as $728.

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

There are 4 cabin classes available to choose from on San Francisco to London Heathrow 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 Heathrow Airport flights?

You could potentially save up to 40% on your flight if you consider stops on a San Francisco to London Heathrow Airport flight.

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

As of December 2024, prices for San Francisco to London Heathrow Airport flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to London Heathrow Airport

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

Cheap San Francisco to London Heathrow Airport (SFO to LHR) flight deals and tips

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

Best Price Found

$220

Fastest flight time

10h 15m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from San Francisco in the past 72 hours is $220. The best round-trip flight deal from San Francisco to London Heathrow Airport found on momondo in the last 72 hours is $492.
The fastest flight from San Francisco to London Heathrow Airport takes 10h 15m
Direct flights go from San Francisco to London Heathrow Airport every day.

  • How far is San Francisco to London Heathrow by plane?

    London Heathrow is 5341.3 mi away from San Francisco. Typically, this will take 10h 15m by plane in normal conditions.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

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

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

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


Best airlines flying from San Francisco to London Heathrow Airport

Compare and see reviews for airlines that fly from San Francisco to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $448Free CancellationRating
7.3
1,309 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom $465Free CancellationRating
7.7
1,285 reviews
Search Finnair flights
TAP AIR PORTUGALPriceFrom $488Free CancellationRating
7.1
1,877 reviews
Search TAP AIR PORTUGAL flights
SWISSPriceFrom $555Free CancellationRating
7.6
1,606 reviews
Search SWISS flights
Aer LingusPriceFrom $559Free CancellationRating
7.1
1,073 reviews
Search Aer Lingus flights
IberiaPriceFrom $571Free CancellationRating
7.0
2,656 reviews
Search Iberia flights
KLMPriceFrom $586Free CancellationRating
7.8
1,349 reviews
Search KLM flights
British AirwaysPriceFrom $588Free CancellationRating
6.6
6,820 reviews
Search British Airways flights
American AirlinesPriceFrom $590Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $591Free CancellationRating
8.0
8,604 reviews
Search Delta flights
  • Delta Flights From San Francisco to London Heathrow Airport

    Delta flight deals from San Francisco to London Heathrow Airport start from $591 round-trip. Over the 7 Delta flights for this route in a normal week, average airfare is usually $807 round-trip - but some users have found much cheaper deals with momondo.

  • KLM Flights From San Francisco to London Heathrow Airport

    KLM (7.8/10 from 1,349 reviews) operates around 7 flights from San Francisco to London Heathrow Airport in any given week. The average KLM airfare for this route is around $912, with deals from around $586 rare but found on momondo. Referenced prices are for round-trip San Francisco to London Heathrow Airport flight searches in the last 72 hours.


Why use momondo?

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

It is quick and easy to find San Francisco to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Flights from San Francisco to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between San Francisco and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for San Francisco to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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