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Cheap flights from London Heathrow Airport to San Francisco from €470

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 5/2. 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 return flights

These are some of the best return 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 stopovers.

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

Find recent return train or bus tickets from London Heathrow Airport to San Francisco.

All return flight deals from London Heathrow Airport to San Francisco

The cheapest plane tickets from London Heathrow Airport to San Francisco found on KAYAK recently.
08:55 - 16:25LHR-SFO
15h 30m1 stop
07:05 - 13:30SFO-LHR
22h 25m1 stop
€490United Airlines
Find Deal
Thu, 6 Feb - Thu, 6 Mar
08:55 - 16:25LHR-SFO
15h 30m1 stop
13:00 - 10:10SFO-LHR
13h 10m1 stop
€491United Airlines
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Wed, 19 Feb - Wed, 26 Feb
18:40 - 16:25LHR-SFO
29h 45m1 stop
19:25 - 08:05SFO-LHR
28h 40m1 stop
€492SWISS
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Mon, 17 Feb - Mon, 24 Feb
08:45 - 16:10LHR-SFO
15h 25m1 stop
14:00 - 19:20SFO-LHR
21h 20m1 stop
€494SWISS
Find Deal
Tue, 22 Apr - Mon, 5 May
06:30 - 12:35LHR-SFO
14h 05m1 stop
18:25 - 12:00SFO-LHR
10h 35mdirect
€496
Find Deal
Thu, 6 Feb - Wed, 26 Mar
07:40 - 14:50LHR-SFO
15h 10m1 stop
17:25 - 12:00SFO-LHR
10h 35mdirect
€497Lufthansa
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Thu, 6 Feb - Mon, 10 Feb
09:30 - 16:00LHR-SFO
14h 30m1 stop
12:55 - 07:25SFO-LHR
10h 30mdirect
€499
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Mon, 3 Mar - Sat, 3 May
09:30 - 16:00LHR-SFO
14h 30m1 stop
12:50 - 07:25SFO-LHR
10h 35mdirect
€506Lufthansa
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Sun, 2 Feb - Sun, 9 Feb
06:30 - 11:50LHR-SFO
13h 20m1 stop
16:40 - 10:55SFO-LHR
10h 15mdirect
€507Delta
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Tue, 18 Feb - Mon, 3 Mar
06:30 - 11:50LHR-SFO
13h 20m1 stop
00:40 - 07:05SFO-LHR
22h 25m1 stop
€511Delta
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Mon, 17 Feb - Sun, 23 Feb
14:50 - 13:06LHR-SFO
30h 16m1 stop
€470WestJet
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Wed, 5 Feb
14:50 - 13:06LHR-SFO
30h 16m1 stop
€471WestJet
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Wed, 5 Feb
06:00 - 14:35LHR-SFO
16h 35m1 stop
€534TAP AIR PORTUGAL
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Tue, 15 Apr
20:50 - 18:00LHR-SFO
29h 10m1 stop
€618
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Fri, 4 Apr
14:10 - 21:25LHR-SFO
15h 15m1 stop
€653WestJet
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Sun, 27 Apr
20:50 - 18:00LHR-SFO
29h 10m1 stop
€674
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Sat, 5 Apr
07:25 - 00:20LHR-SFO
23h 55m1 stop
€698JetBlue
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Mon, 17 Mar
13:45 - 14:35LHR-SFO
32h 50m1 stop
€758TAP AIR PORTUGAL
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Mon, 21 Apr
08:15 - 22:10LHR-SFO
21h 55m1 stop
€1,098JetBlue
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Fri, 18 Apr
22:35 - 16:45LHR-SFO
26h 10m1 stop
€1,155Turkish Airlines
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Sun, 26 Jan
10:05 - 13:15LHR-SFO
11h 10mdirect
12:50 - 07:25SFO-LHR
10h 35mdirect
€524United Airlines
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Sun, 26 Jan - Wed, 19 Feb
06:30 - 11:50LHR-SFO
13h 20m1 stop
16:40 - 10:55SFO-LHR
10h 15mdirect
€530Delta
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Thu, 23 Jan - Fri, 7 Feb
20:25 - 11:50LHR-SFO
23h 25m1 stop
16:40 - 10:55SFO-LHR
10h 15mdirect
€535Virgin Atlantic
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Wed, 22 Jan - Sun, 26 Jan
20:25 - 11:50LHR-SFO
23h 25m1 stop
16:40 - 10:55SFO-LHR
10h 15mdirect
€542Virgin Atlantic
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Wed, 22 Jan - Sun, 26 Jan
15:45 - 11:50LHR-SFO
28h 05m1 stop
15:25 - 18:20SFO-LHR
18h 55m1 stop
€543Virgin Atlantic
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Wed, 22 Jan - Sun, 26 Jan
08:40 - 23:22LHR-SFO
22h 42m2 stops
16:40 - 10:55SFO-LHR
10h 15mdirect
€544Delta
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Thu, 23 Jan - Wed, 5 Feb
13:00 - 13:56LHR-SFO
32h 56m1 stop
08:30 - 11:50SFO-LHR
19h 20m2 stops
€587Air Canada
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Wed, 22 Jan - Sun, 26 Jan
13:00 - 13:56LHR-SFO
32h 56m1 stop
06:38 - 06:30SFO-LHR
15h 52m2 stops
€589
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Wed, 22 Jan - Sun, 26 Jan
14:30 - 09:34LHR-SFO
27h 04m2 stops
06:38 - 06:30SFO-LHR
15h 52m2 stops
€592
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Wed, 22 Jan - Sun, 26 Jan
09:25 - 19:17LHR-SFO
17h 52m1 stop
16:09 - 13:20SFO-LHR
13h 11m1 stop
€634British Airways
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Sun, 26 Jan - Tue, 18 Feb
11:45 - 15:00LHR-SFO
11h 15mdirect
17:30 - 12:00SFO-LHR
10h 30mdirect
€520Finnair
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Tue, 4 Feb - Tue, 11 Feb
11:45 - 15:00LHR-SFO
11h 15mdirect
17:30 - 12:00SFO-LHR
10h 30mdirect
€521Finnair
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Thu, 13 Feb - Wed, 26 Feb
10:05 - 13:15LHR-SFO
11h 10mdirect
18:25 - 12:00SFO-LHR
10h 35mdirect
€522United Airlines
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Sat, 1 Mar - Sat, 22 Mar
10:05 - 13:15LHR-SFO
11h 10mdirect
12:50 - 07:25SFO-LHR
10h 35mdirect
€523United Airlines
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Thu, 6 Feb - Thu, 6 Mar
11:40 - 14:45LHR-SFO
11h 05mdirect
16:10 - 10:30SFO-LHR
10h 20mdirect
€525Delta
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Mon, 3 Feb - Sat, 5 Apr
10:05 - 14:15LHR-SFO
11h 10mdirect
12:55 - 07:25SFO-LHR
10h 30mdirect
€526Austrian Airlines
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Sat, 22 Mar - Tue, 8 Apr
10:35 - 13:40LHR-SFO
11h 05mdirect
19:45 - 14:10SFO-LHR
10h 25mdirect
€528Austrian Airlines
Find Deal
Wed, 23 Apr - Fri, 2 May
11:40 - 14:45LHR-SFO
11h 05mdirect
16:40 - 10:55SFO-LHR
10h 15mdirect
€529Delta
Find Deal
Mon, 3 Feb - Mon, 10 Feb
10:05 - 14:15LHR-SFO
11h 10mdirect
12:55 - 07:25SFO-LHR
10h 30mdirect
€562Lufthansa
Find Deal
Tue, 18 Mar - Thu, 24 Apr
16:15 - 19:20LHR-SFO
11h 05mdirect
15:55 - 10:25SFO-LHR
10h 30mdirect
€568Lufthansa
Find Deal
Thu, 17 Apr - Sun, 27 Apr

SWISS flights from London Heathrow Airport to San Francisco

Our best SWISS deals on London Heathrow Airport to San Francisco flight tickets
SWISS
17 Feb
LHR18:40London Heathrow
29h 45m
1 stop
SFO16:25San Francisco
24 Feb
SFO19:25San Francisco
28h 40m
1 stop
LHR08:05London Heathrow
SWISS
22 Apr
LHR08:45London Heathrow
15h 25m
1 stop
SFO16:10San Francisco
5 May
SFO14:00San Francisco
21h 20m
1 stop
LHR19:20London Heathrow
SWISS
4 Feb
LHR20:05London Heathrow
28h 20m
1 stop
SFO16:25San Francisco
11 Feb
SFO19:25San Francisco
33h 35m
1 stop
LHR13:00London Heathrow

Lufthansa flights from London Heathrow Airport to San Francisco

Our best Lufthansa deals on London Heathrow Airport to San Francisco flight tickets
Lufthansa
6 Feb
LHR07:40London Heathrow
15h 10m
1 stop
SFO14:50San Francisco
10 Feb
SFO17:25San Francisco
10h 35m
LHR12:00London Heathrow
Lufthansa
2 Feb
LHR09:30London Heathrow
14h 30m
1 stop
SFO16:00San Francisco
9 Feb
SFO12:50San Francisco
10h 35m
LHR07:25London Heathrow
Lufthansa
30 Jan
LHR09:30London Heathrow
14h 30m
1 stop
SFO16:00San Francisco
12 Feb
SFO12:50San Francisco
10h 35m
LHR07:25London 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?

The cheapest month to fly to San Francisco from London Heathrow Airport is in February. Flight prices, which tend to average around €534, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to San Francisco from London Heathrow Airport during November instead. Flights to San Francisco in November, while not as cheap as those in February, still average around €563.

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

On average, the least expensive day to fly to San Francisco from London Heathrow Airport is on a Monday. momondo users have found tickets for Monday departures for as low as €0. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €627.

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

According to our data, the cheapest time of day to fly to San Francisco is at midday. momondo users have found flights departing from London Heathrow Airport to San Francisco at midday for as low as €0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €755 on average. Flights to San Francisco from London Heathrow Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 €657 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 €604 on momondo.

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

There are 2 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 return 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

€470

Fastest flight time

10h 55m

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 €470. The best return flight deal from London Heathrow Airport to San Francisco found on momondo in the last 72 hours is €490.
The fastest flight from London Heathrow Airport to San Francisco takes 10h 55m
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?

    A flight from London Heathrow to San Francisco will travel around 8596.0 km. Flights usually cover this in 10h 55m, depending on flying conditions and air traffic around both airports.

  • 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 refreshed on a daily basis.

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

    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 London Heathrow Airport to San Francisco Airport.

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

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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


Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Walnut Creek
Burlingame
Alameda

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. All flights to San Francisco from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for London to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for London to San Francisco 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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