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Cheap flights from London to San Francisco from £200

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 to San Francisco departing on 7/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London to San Francisco

Cheap return flights

These are some of the best return flight deals from London to San Francisco that have been recently found on momondo from popular airlines, departing in the coming months.
11:40 - 14:45LHR-SFO
11h 05mdirect
16:40 - 10:55SFO-LHR
10h 15mdirect
£385Air France
Find Deal
jeu., 20 févr. - dim., 2 mars
16:35 - 14:40LGW-SFO
30h 05m1 stop
17:40 - 15:45SFO-LGW
15h 05m1 stop
£385TAP AIR PORTUGAL
Find Deal
mar., 4 mars - lun., 17 mars
11:10 - 18:45LHR-SFO
15h 35m1 stop
16:40 - 13:30SFO-LHR
13h 50m1 stop
£389Lufthansa
Find Deal
mer., 5 mars - lun., 17 mars
11:10 - 18:45LHR-SFO
15h 35m1 stop
13:50 - 07:25SFO-LHR
10h 35mdirect
£390Lufthansa
Find Deal
mer., 5 mars - jeu., 20 mars
08:55 - 16:25LHR-SFO
15h 30m1 stop
12:55 - 07:25SFO-LHR
10h 30mdirect
£409United Airlines
Find Deal
ven., 28 févr. - ven., 11 avr.
13:45 - 16:25LHR-SFO
34h 40m1 stop
08:30 - 07:10SFO-LHR
15h 40m1 stop
£412United Airlines
Find Deal
mer., 5 mars - jeu., 20 mars
06:30 - 11:50LHR-SFO
13h 20m1 stop
14:19 - 11:40SFO-LHR
14h 21m1 stop
£420Virgin Atlantic
Find Deal
mar., 4 mars - mar., 18 mars
06:30 - 11:50LHR-SFO
13h 20m1 stop
22:50 - 07:55SFO-LHR
25h 05m1 stop
£424Virgin Atlantic
Find Deal
lun., 3 mars - sam., 8 mars
15:20 - 18:45LHR-SFO
11h 25mdirect
18:30 - 12:00SFO-LHR
10h 30mdirect
£428British Airways
Find Deal
mar., 4 mars - lun., 17 mars
13:50 - 22:59LHR-SFO
17h 09m1 stop
14:37 - 12:05SFO-LHR
13h 28m1 stop
£433British Airways
Find Deal
sam., 15 févr. - jeu., 20 févr.

TAP AIR PORTUGAL flights from London to San Francisco

Our best TAP AIR PORTUGAL deals on London to San Francisco flight tickets
TAP AIR PORTUGAL
4 Mar
LGW16:35London Gatwick
30h 05m
1 stop
SFO14:40San Francisco
17 Mar
SFO17:40San Francisco
15h 05m
1 stop
LGW15:45London Gatwick
TAP AIR PORTUGAL
2 Mar
LHR13:40London Heathrow
33h 05m
1 stop
SFO14:45San Francisco
17 Mar
SFO17:40San Francisco
16h 50m
1 stop
LHR17:30London Heathrow
TAP AIR PORTUGAL
6 Mar
LGW15:55London Gatwick
30h 20m
1 stop
SFO14:15San Francisco
17 Mar
SFO17:40San Francisco
33h 10m
1 stop
LGW09:50London Gatwick

KLM flights from London to San Francisco

Our best KLM deals on London to San Francisco flight tickets
KLM
19 Feb
LHR20:25London Heathrow
23h 25m
1 stop
SFO11:50San Francisco
26 Feb
SFO12:09San Francisco
14h 26m
1 stop
LHR10:35London Heathrow
KLM
12 Feb
LHR20:25London Heathrow
23h 25m
1 stop
SFO11:50San Francisco
27 Feb
SFO16:40San Francisco
10h 15m
LHR10:55London Heathrow
KLM
12 Feb
LHR20:25London Heathrow
23h 25m
1 stop
SFO11:50San Francisco
19 Feb
SFO12:09San Francisco
15h 31m
1 stop
LHR11:40London Heathrow

See travel insights to San Francisco from

How to get the cheapest flight ticket from London 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 typical price of a round-trip flight between London and San Francisco?

What is the cheapest month to fly to San Francisco?

The month of February is, on average, the cheapest month to fly to San Francisco from London, with most prices found around £442. If you are unable to visit San Francisco during the month of February, then departing from London during the month November is also very affordable. Most momondo users find prices during this month for around £465.

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

The cheapest day to depart on your flight to San Francisco is on a Tuesday when prices can be found for as low as £577. This is often the case because there is less demand to fly during this day of the week. Flights from London to San Francisco on a Sunday will generally be more expensive and average around £625. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to San Francisco is in the evening. Flights from London to San Francisco during this time can be as low as £514. Try not to purchase tickets at midday because they tend to be around £834. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London to San Francisco flight route?

Fly from London Heathrow to San Francisco for the best London - 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 when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around £543 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 for as low as £505 on momondo.

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

There are 4 cabin classes available to choose from on London 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 to San Francisco flight prices changed over time?

As of February 2025, prices for London to San Francisco flights are approximately 25% more expensive when compared to flights at the same time last year.

When to book flights from London to San Francisco

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

Cheap London to San Francisco (LON to SFO) flight deals and tips

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

Best price found

£200

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 in the past 72 hours is £200. The best return flight deal from London to San Francisco found on momondo in the last 72 hours is £385.
The fastest flight from London to San Francisco takes 10h 55m
Direct flights go from London to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)

  • How far is London to San Francisco by plane?

    A flight from London to San Francisco will travel around 5349.7 mi. 10h 55m is a normal flight duration for this route.

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

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

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

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

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

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from London to San Francisco

Compare and see reviews for airlines that fly from London to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom £309Free CancellationRating
8.0
8,396 reviews
Search Delta flights
Air CanadaPriceFrom £322Free CancellationRating
7.0
8,672 reviews
Search Air Canada flights
TAP AIR PORTUGALPriceFrom £370Free CancellationRating
7.1
1,860 reviews
Search TAP AIR PORTUGAL flights
SWISSPriceFrom £373Free CancellationRating
7.5
1,581 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom £374Free CancellationRating
7.3
1,322 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom £380Free CancellationRating
6.6
6,781 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £385Free CancellationRating
7.5
659 reviews
Search Virgin Atlantic flights
FinnairPriceFrom £398Free CancellationRating
7.6
1,284 reviews
Search Finnair flights
KLMPriceFrom £404Free CancellationRating
7.8
1,334 reviews
Search KLM flights
Austrian AirlinesPriceFrom £405Free CancellationRating
7.5
785 reviews
Search Austrian Airlines flights
  • Delta Flights From London to San Francisco

    The lowest priced Delta flight from London to San Francisco from the last 72 hours was £387. Generally, Delta has 6 flights on this route every week with an average price of £652. Delta is rated 8.0/10 by our users.

  • KLM Flights From London to San Francisco

    KLM is also a popular choice for this route. KLM flight deals for London to San Francisco start from as low as £505 round-trip, depending on your selected dates, with average KLM deals seen on momondo around £738. KLM operates 6 flights to San Francisco from London in an average week. Users have rated it 7.8/10 across 1,334 reviews.


Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Carmel-by-the-Sea
Newark
Vacaville
Salinas
Vallejo
Santa Cruz
Burlingame
Calistoga
Rohnert Park
Palo Alto
South San Francisco
Campbell
Sausalito
Seaside
Sunnyvale
Fremont
Windsor
Carmel Valley
Bodega Bay
Watsonville

Why use momondo?

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

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 San Francisco from London.

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

momondo does allow users to show only those flights to San Francisco from London which offer a flexible booking policy as well as other useful filters and features.

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?

Of course. momondo tracks the price of London to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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