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Cheap flights from London Heathrow Airport to San Francisco from $293

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to San Francisco departing on 4/30. 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 London Heathrow Airport to San Francisco

Cheap round-trip flights

These are some of the best round-trip flight deals from London Heathrow Airport to San Francisco 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 London Heathrow Airport to San Francisco.

Cheap last minute flights

Planning a quick getaway from London Heathrow Airport to San Francisco? 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 San Francisco, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from London Heathrow Airport to San Francisco

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

All round-trip flight deals from London Heathrow Airport to San Francisco

The cheapest plane tickets from London Heathrow Airport to San Francisco found on KAYAK recently.
6:00 am - 2:55 pmLHR-SFO
16h 55m1 stop
4:40 pm - 10:40 pmSFO-LHR
22h 00m1 stop
$446TAP AIR PORTUGAL
Find Deal
sam., mars 1 - sam., mars 8
6:30 pm - 2:15 pmLHR-SFO
27h 45m1 stop
7:15 pm - 6:55 pmSFO-LHR
15h 40m1 stop
$457TAP AIR PORTUGAL
Find Deal
jeu., févr. 6 - ven., févr. 28
1:40 pm - 2:40 pmLHR-SFO
33h 00m1 stop
4:40 pm - 5:30 pmSFO-LHR
16h 50m1 stop
$462TAP AIR PORTUGAL
Find Deal
mar., févr. 11 - lun., févr. 17
6:30 am - 12:35 pmLHR-SFO
14h 05m1 stop
8:35 pm - 7:35 pmSFO-LHR
15h 00m1 stop
$464Lufthansa
Find Deal
mer., févr. 19 - mer., févr. 26
7:40 am - 3:50 pmLHR-SFO
15h 10m1 stop
6:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$479Lufthansa
Find Deal
mar., mars 11 - mar., mars 18
12:05 pm - 4:25 pmLHR-SFO
36h 20m1 stop
6:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$507United Airlines
Find Deal
jeu., mars 6 - jeu., mars 13
8:55 am - 4:25 pmLHR-SFO
15h 30m1 stop
1:00 pm - 10:10 amSFO-LHR
13h 10m1 stop
$508United Airlines
Find Deal
mer., févr. 19 - mer., févr. 26
6:30 am - 11:50 amLHR-SFO
13h 20m1 stop
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$525Delta
Find Deal
mar., févr. 18 - dim., mars 2
6:20 am - 1:10 pmLHR-SFO
14h 50m1 stop
4:10 pm - 10:30 amSFO-LHR
10h 20mnonstop
$530Delta
Find Deal
mer., févr. 5 - mar., avr. 1
10:45 am - 1:50 pmLHR-SFO
11h 05mnonstop
7:20 pm - 1:45 pmSFO-LHR
10h 25mnonstop
$608Iberia
Find Deal
ven., mai 16 - dim., juin 15
6:15 am - 9:25 pmLHR-SFO
23h 10m2 stops
mer., avr. 30
6:15 am - 7:44 amLHR-SFO
33h 29m3 stops
mer., avr. 30
8:50 pm - 6:00 pmLHR-SFO
29h 10m1 stop
$540Iberia
Find Deal
lun., mai 19
3:20 pm - 7:45 pmLHR-SFO
11h 25mnonstop
$566British Airways
Find Deal
mar., mars 25
11:40 am - 6:27 pmLHR-SFO
14h 47m1 stop
$574British Airways
Find Deal
jeu., juil. 3
10:05 am - 2:15 pmLHR-SFO
11h 10mnonstop
$579Lufthansa
Find Deal
jeu., mars 20
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
$581Virgin Atlantic
Find Deal
mer., janv. 29
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
$587Lufthansa
Find Deal
sam., févr. 15
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
$601Iberia
Find Deal
mer., févr. 5
11:15 am - 2:20 pmLHR-SFO
11h 05mnonstop
$619Virgin Atlantic
Find Deal
mar., avr. 22
7:55 pm - 2:15 pmLHR-SFO
26h 20m1 stop
7:15 pm - 6:55 pmSFO-LHR
15h 40m1 stop
$481TAP AIR PORTUGAL
Find Deal
jeu., janv. 23 - ven., févr. 7
6:00 am - 2:55 pmLHR-SFO
16h 55m1 stop
4:40 pm - 9:35 pmSFO-LHR
20h 55m1 stop
$512TAP AIR PORTUGAL
Find Deal
sam., janv. 25 - sam., févr. 1
8:30 am - 4:00 pmLHR-SFO
15h 30m1 stop
8:25 am - 6:40 amSFO-LHR
14h 15m1 stop
$534Lufthansa
Find Deal
sam., janv. 25 - dim., févr. 2
6:30 am - 11:50 amLHR-SFO
13h 20m1 stop
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$549Delta
Find Deal
mar., janv. 21 - mar., févr. 4
1:00 pm - 3:35 pmLHR-SFO
34h 35m1 stop
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$553Lufthansa
Find Deal
mar., janv. 21 - mar., janv. 28
8:25 pm - 11:50 amLHR-SFO
23h 25m1 stop
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$554Virgin Atlantic
Find Deal
mer., janv. 22 - dim., janv. 26
6:30 am - 11:50 amLHR-SFO
13h 20m1 stop
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$558Virgin Atlantic
Find Deal
mar., janv. 21 - dim., janv. 26
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$568Delta
Find Deal
jeu., janv. 23 - ven., févr. 7
1:00 pm - 12:11 pmLHR-SFO
31h 11m1 stop
11:59 pm - 7:55 amSFO-LHR
23h 56m1 stop
$571United Airlines
Find Deal
mer., janv. 22 - dim., janv. 26
10:25 am - 6:57 pmLHR-SFO
16h 32m1 stop
8:30 am - 7:55 amSFO-LHR
15h 25m2 stops
$582United Airlines
Find Deal
mer., janv. 22 - mar., janv. 28
1:45 pm - 4:55 pmLHR-SFO
11h 10mnonstop
6:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$507Brussels Airlines
Find Deal
jeu., mars 6 - mar., mars 11
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$509Brussels Airlines
Find Deal
sam., mars 1 - mar., mars 4
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$517Lufthansa
Find Deal
jeu., févr. 6 - dim., févr. 9
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$529Lufthansa
Find Deal
ven., févr. 14 - dim., févr. 23
3:20 pm - 6:45 pmLHR-SFO
11h 25mnonstop
8:40 pm - 3:15 pmSFO-LHR
10h 35mnonstop
$533British Airways
Find Deal
lun., févr. 24 - lun., mars 3
10:05 am - 1:15 pmLHR-SFO
11h 10mnonstop
12:50 pm - 7:25 amSFO-LHR
10h 35mnonstop
$540United Airlines
Find Deal
jeu., janv. 30 - sam., févr. 22
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
4:10 pm - 10:30 amSFO-LHR
10h 20mnonstop
$543Delta
Find Deal
lun., févr. 3 - sam., avr. 5
11:40 am - 2:45 pmLHR-SFO
11h 05mnonstop
4:40 pm - 10:55 amSFO-LHR
10h 15mnonstop
$547Delta
Find Deal
lun., févr. 3 - lun., févr. 10
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
4:35 pm - 11:00 amSFO-LHR
10h 25mnonstop
$568British Airways
Find Deal
jeu., mars 6 - lun., avr. 14
4:15 pm - 7:10 pmLHR-SFO
10h 55mnonstop
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
$615United Airlines
Find Deal
mar., juil. 15 - jeu., déc. 4

TAP AIR PORTUGAL flights from London Heathrow Airport to San Francisco

Our best TAP AIR PORTUGAL deals on London Heathrow Airport to San Francisco flight tickets
TAP AIR PORTUGAL
Mar 1
LHR6:00 amLondon Heathrow
16h 55m
1 stop
SFO2:55 pmSan Francisco
Mar 8
SFO4:40 pmSan Francisco
22h 00m
1 stop
LHR10:40 pmLondon Heathrow
TAP AIR PORTUGAL
Feb 6
LHR6:30 pmLondon Heathrow
27h 45m
1 stop
SFO2:15 pmSan Francisco
Feb 28
SFO7:15 pmSan Francisco
15h 40m
1 stop
LHR6:55 pmLondon Heathrow
TAP AIR PORTUGAL
Feb 11
LHR1:40 pmLondon Heathrow
33h 00m
1 stop
SFO2:40 pmSan Francisco
Feb 17
SFO4:40 pmSan Francisco
16h 50m
1 stop
LHR5:30 pmLondon Heathrow

Scandinavian Airlines flights from London Heathrow Airport to San Francisco

Our best Scandinavian Airlines deals on London Heathrow Airport to San Francisco flight tickets
Scandinavian Airlines
Feb 20
LHR7:30 pmLondon Heathrow
28h 10m
1 stop
SFO3:40 pmSan Francisco
Feb 28
SFO5:30 pmSan Francisco
14h 30m
1 stop
LHR4:00 pmLondon Heathrow
Scandinavian Airlines
Mar 1
LHR5:30 pmLondon Heathrow
30h 10m
2 stops
SFO3:40 pmSan Francisco
Mar 8
SFO5:30 pmSan Francisco
20h 05m
2 stops
LHR9:35 pmLondon Heathrow
Scandinavian Airlines
Jan 27
LHR6:40 amLondon Heathrow
17h 00m
1 stop
SFO3:40 pmSan Francisco
Feb 9
SFO5:30 pmSan Francisco
20h 05m
2 stops
LHR9:35 pmLondon Heathrow

See travel insights to San Francisco from

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

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 San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $583.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from London Heathrow Airport to San Francisco is on a Thursday when prices can be found for as low as $644. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $752.

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

Our data shows that the cheapest London Heathrow Airport to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $663. Flights in the afternoon are often more expensive with an average ticket price of $693.

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

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

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from London Heathrow Airport when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $680 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from London Heathrow Airport for as low as $625 on momondo.

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

There are 4 cabin classes available to choose from on London Heathrow to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of January 2025, prices for London Heathrow Airport to San Francisco flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to San Francisco

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

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

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

Best Price Found

$293

Fastest flight time

11h 00m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from London Heathrow Airport in the past 72 hours is $293. The best round-trip flight deal from London Heathrow Airport to San Francisco found on momondo in the last 72 hours is $446.
The fastest flight from London Heathrow Airport to San Francisco takes 11h 00m
Direct flights go from London Heathrow Airport to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)

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

    The straight-line distance from London Heathrow to San Francisco is 5341.3 mi. By plane, this route typically takes 11h 00m.

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

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

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

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

    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 London Heathrow Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The necessary travel and health documents for your San Francisco 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 London Heathrow Airport to San Francisco?

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


Best airlines flying from London Heathrow Airport to San Francisco

Compare and see reviews for airlines that fly from London Heathrow Airport to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $415Free CancellationRating
7.3
1,320 reviews
Search Scandinavian Airlines flights
Austrian AirlinesPriceFrom $476Free CancellationRating
7.5
786 reviews
Search Austrian Airlines flights
LufthansaPriceFrom $514Free CancellationRating
6.7
7,111 reviews
Search Lufthansa flights
British AirwaysPriceFrom $515Free CancellationRating
6.6
6,834 reviews
Search British Airways flights
DeltaPriceFrom $519Free CancellationRating
8.0
8,521 reviews
Search Delta flights
FinnairPriceFrom $525Free CancellationRating
7.6
1,285 reviews
Search Finnair flights
American AirlinesPriceFrom $545Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Brussels AirlinesPriceFrom $546Free CancellationRating
7.3
349 reviews
Search Brussels Airlines flights
United AirlinesPriceFrom $549Free CancellationRating
7.4
8,985 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom $551Free CancellationRating
7.5
665 reviews
Search Virgin Atlantic flights
  • Delta Flights From London Heathrow Airport to San Francisco

    Delta operates around 7 flights from London Heathrow Airport to San Francisco every week. The average price of these flights found in the last 72 hours has been $719, but momondo users have found Delta deals from London Heathrow Airport to San Francisco from as low as $519 round-trip. Delta has been scored 8.0/10 in 8,521 reviews.

  • Finnair Flights From London Heathrow Airport to San Francisco

    Finnair is also a popular choice for this route. Finnair flight deals for London Heathrow Airport to San Francisco start from as low as $525 round-trip, depending on your selected dates, with average Finnair deals seen on momondo around $571. Finnair operates 13 flights to San Francisco from London Heathrow Airport in an average week. Users have rated it 7.6/10 across 1,286 reviews.


Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Hayward
Modesto
South San Francisco
Calistoga
Fremont
Daly City
Santa Clara
Roseville
Sonoma
Berkeley
Bodega Bay
Sunnyvale
Redwood City
Vallejo
Burlingame
Palo Alto
Milpitas
Fairfield

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to San Francisco for you.

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

Yes. momondo allows you to filter the results for London to San Francisco flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to San Francisco.

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

Price alerts on flights to San Francisco from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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