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Cheap flights from San Francisco to London Heathrow Airport from $224

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 1/23. 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.
7:15 pm - 9:35 pmSFO-LHR
18h 20m1 stop
6:30 pm - 2:55 pmLHR-SFO
28h 25m1 stop
$491TAP AIR PORTUGAL
Find Deal
Fri, Jan 24 - Fri, Jan 31
4:40 pm - 6:55 pmSFO-LHR
18h 15m1 stop
6:30 pm - 2:55 pmLHR-SFO
28h 25m1 stop
$496TAP AIR PORTUGAL
Find Deal
Sat, Feb 1 - Fri, Feb 28
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
6:30 am - 11:50 amLHR-SFO
13h 20m1 stop
$599Virgin Atlantic
Find Deal
Wed, Dec 4 - Tue, Dec 10
12:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
12:05 pm - 4:25 pmLHR-SFO
36h 20m1 stop
$611United Airlines
Find Deal
Wed, Dec 4 - Thu, Dec 12
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
8:55 am - 4:25 pmLHR-SFO
15h 30m1 stop
$613United Airlines
Find Deal
Tue, Dec 31 - Fri, Jan 17
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
3:50 pm - 12:46 amLHR-SFO
16h 56m1 stop
$637Delta
Find Deal
Mon, Dec 2 - Wed, Dec 18
12:38 am - 6:20 amSFO-LHR
21h 42m1 stop
11:15 am - 2:15 pmLHR-SFO
11h 00mnonstop
$638Delta
Find Deal
Sat, Dec 7 - Wed, Apr 23
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
$641Virgin Atlantic
Find Deal
Mon, Feb 17 - Tue, Feb 25
3:30 pm - 10:00 amSFO-LHR
10h 30mnonstop
2:20 pm - 5:25 pmLHR-SFO
11h 05mnonstop
$646British Airways
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Thu, Apr 24 - Fri, May 16
3:30 pm - 10:00 amSFO-LHR
10h 30mnonstop
10:10 am - 1:15 pmLHR-SFO
11h 05mnonstop
$651British Airways
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Tue, May 6 - Wed, May 21
2:10 pm - 12:50 pmSFO-LHR
14h 40m1 stop
$224WestJet
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Thu, Jan 23
1:55 pm - 12:50 pmSFO-LHR
14h 55m1 stop
$246WestJet
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Fri, Nov 29
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$370Virgin Atlantic
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Tue, Dec 3
5:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$381Virgin Atlantic
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Sun, Mar 9
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
$392British Airways
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Sun, Jan 19
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$394Delta
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Mon, Nov 25
12:32 am - 7:40 amSFO-LHR
23h 08m1 stop
$403United Airlines
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Tue, Apr 1
12:23 am - 9:40 amSFO-LHR
25h 17m1 stop
$409British Airways
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Tue, Feb 11
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$423Delta
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Thu, Nov 28
1:00 pm - 10:10 amSFO-LHR
13h 10m1 stop
$454United Airlines
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Wed, Dec 25
1:55 pm - 11:40 amSFO-LHR
13h 45m1 stop
6:30 am - 11:50 amLHR-SFO
13h 20m1 stop
$620KLM
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Mon, Nov 25 - Thu, Dec 5
12:40 am - 7:05 amSFO-LHR
22h 25m1 stop
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
$631Delta
Find Deal
Sun, Nov 24 - Wed, Dec 4
6:10 am - 7:05 amSFO-LHR
16h 55m1 stop
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
$632Virgin Atlantic
Find Deal
Sun, Nov 24 - Wed, Dec 4
6:10 am - 7:05 amSFO-LHR
16h 55m1 stop
1:15 pm - 8:07 pmLHR-SFO
14h 52m1 stop
$642Virgin Atlantic
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Sun, Nov 24 - Wed, Dec 4
10:46 pm - 9:20 amSFO-LHR
26h 34m1 stop
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
$645British Airways
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Sat, Nov 23 - Fri, Feb 28
10:46 pm - 9:20 amSFO-LHR
26h 34m1 stop
2:30 pm - 10:39 pmLHR-SFO
16h 09m1 stop
$650British Airways
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Sat, Nov 23 - Fri, Feb 28
12:25 am - 7:30 amSFO-LHR
23h 05m1 stop
1:45 pm - 4:25 pmLHR-SFO
34h 40m1 stop
$765United Airlines
Find Deal
Mon, Nov 25 - Tue, Dec 3
12:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
$927United Airlines
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Sun, Nov 24 - Wed, Dec 4
2:40 pm - 5:45 pmSFO-LHR
19h 05m1 stop
7:15 pm - 12:35 pmLHR-SFO
25h 20m2 stops
$974Lufthansa
Find Deal
Sun, Nov 24 - Tue, Dec 3
2:45 pm - 4:45 pmSFO-LHR
18h 00m2 stops
7:30 pm - 12:35 pmLHR-SFO
25h 05m1 stop
$1,075Lufthansa
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Thu, Nov 21 - Wed, Nov 27
8:40 pm - 3:15 pmSFO-LHR
10h 35mnonstop
10:10 am - 1:15 pmLHR-SFO
11h 05mnonstop
$606Finnair
Find Deal
Wed, Jan 8 - Thu, May 8
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
$609Virgin Atlantic
Find Deal
Wed, Dec 4 - Tue, Dec 10
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
$611Iberia
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Tue, Dec 31 - Thu, Jan 16
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
$615British Airways
Find Deal
Sun, Jan 12 - Wed, Jan 29
3:30 pm - 10:00 amSFO-LHR
10h 30mnonstop
2:20 pm - 5:25 pmLHR-SFO
11h 05mnonstop
$618British Airways
Find Deal
Wed, Apr 16 - Wed, Apr 30
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
$622Lufthansa
Find Deal
Sun, Dec 8 - Tue, Dec 24
12:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
$627United Airlines
Find Deal
Wed, Dec 4 - Tue, Dec 24
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
$628United Airlines
Find Deal
Sun, Dec 8 - Tue, Dec 24
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
$670Delta
Find Deal
Fri, Jan 10 - Tue, Jan 14
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
$671Delta
Find Deal
Thu, Feb 13 - Thu, Feb 20

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 24
SFO7:15 pmSan Francisco
18h 20m
1 stop
LHR9:35 pmLondon Heathrow
Jan 31
LHR6:30 pmLondon Heathrow
28h 25m
1 stop
SFO2:55 pmSan Francisco
TAP AIR PORTUGAL
Feb 1
SFO4:40 pmSan Francisco
18h 15m
1 stop
LHR6:55 pmLondon Heathrow
Feb 28
LHR6:30 pmLondon Heathrow
28h 25m
1 stop
SFO2:55 pmSan Francisco
TAP AIR PORTUGAL
Jan 13
SFO4:40 pmSan Francisco
16h 50m
1 stop
LHR5:30 pmLondon Heathrow
Jan 31
LHR6:00 amLondon Heathrow
17h 55m
1 stop
SFO3:55 pmSan Francisco

Scandinavian Airlines flights from San Francisco to London Heathrow Airport

Our best Scandinavian Airlines deals on San Francisco to London Heathrow Airport flight tickets
Scandinavian Airlines
Dec 6
SFO5:30 pmSan Francisco
14h 30m
1 stop
LHR4:00 pmLondon Heathrow
Dec 9
LHR6:40 amLondon Heathrow
17h 00m
1 stop
SFO3:40 pmSan Francisco
Scandinavian Airlines
Jan 13
SFO5:30 pmSan Francisco
20h 10m
1 stop
LHR9:40 pmLondon Heathrow
Feb 2
LHR5:00 pmLondon Heathrow
30h 40m
1 stop
SFO3:40 pmSan Francisco
Scandinavian Airlines
Nov 27
SFO5:30 pmSan Francisco
14h 30m
1 stop
LHR4:00 pmLondon Heathrow
Dec 4
LHR7:30 pmLondon Heathrow
28h 10m
1 stop
SFO3:40 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 from San Francisco to London Heathrow Airport?

October. The cheapest time of year to fly to London Heathrow Airport from San Francisco is October. Most expensive is June

What is the cheapest day to depart San Francisco for London Heathrow Airport?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Saturday

When is the cheapest time to fly from San Francisco to London Heathrow Airport?

At noon. San Francisco to London Heathrow Airport flights are approximately 8% more expensive in the morning than at noon

How far in advance should you book San Francisco to London Heathrow Airport flights?

29 days before. The cheapest time to buy a flight from San Francisco to London Heathrow Airport is approximately 29 days to departure

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

There are 3 cabin classes available to choose from on San Francisco to London Heathrow Airport 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 39% 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 November 2024, prices for San Francisco to London Heathrow Airport flights are approximately 21% more expensive when compared to flights at the same time last year.

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


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

$224

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 $224. The best round-trip flight deal from San Francisco to London Heathrow Airport found on momondo in the last 72 hours is $491.
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
1,301 reviews
Search Scandinavian Airlines flights
FinnairPriceFrom $465Free CancellationRating
7.7
1,300 reviews
Search Finnair flights
TAP AIR PORTUGALPriceFrom $488Free CancellationRating
7.1
1,892 reviews
Search TAP AIR PORTUGAL flights
SWISSPriceFrom $555Free CancellationRating
7.6
1,637 reviews
Search SWISS flights
Aer LingusPriceFrom $560Free CancellationRating
7.1
1,089 reviews
Search Aer Lingus flights
IberiaPriceFrom $571Free CancellationRating
7.0
2,664 reviews
Search Iberia flights
KLMPriceFrom $586Free CancellationRating
7.8
1,350 reviews
Search KLM flights
British AirwaysPriceFrom $588Free CancellationRating
6.6
6,837 reviews
Search British Airways flights
American AirlinesPriceFrom $590Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $591Free CancellationRating
7.0
8,238 reviews
Search Air Canada flights
  • Delta Flights From San Francisco to London Heathrow Airport

    Delta flight deals from San Francisco to London Heathrow Airport start from $592 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 1,350 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 $933, 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.


An easier way to manage your London Heathrow Airport trip

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