Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London to San Francisco from €455

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Francisco departing on 17/1. 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
'This year, momondo is the #1 place for airfares on the internet.'
Voted the Winner of Europe's Best Travel App 2023
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

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.

Cheap one-way flights

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

Cheap last-minute flights

Planning a quick getaway from London 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 to San Francisco

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

All round-trip flight deals to San Francisco

The cheapest plane tickets to San Francisco found on KAYAK recently.
13:40 - 14:55LHR-SFO
33h 15m1 stop
16:40 - 21:35SFO-LHR
20h 55m1 stop
€455TAP AIR PORTUGAL
Find Deal
Fri, 17 Jan - Mon, 20 Jan
06:30 - 11:50LHR-SFO
13h 20m1 stop
16:05 - 10:25SFO-LHR
10h 20mdirect
€501Delta
Find Deal
Sun, 26 Jan - Mon, 7 Apr
06:30 - 11:50LHR-SFO
13h 20m1 stop
16:40 - 10:55SFO-LHR
10h 15mdirect
€503Delta
Find Deal
Sun, 2 Feb - Sun, 9 Feb
18:05 - 15:40LHR-SFO
29h 35m2 stops
17:30 - 16:00SFO-LHR
14h 30m1 stop
€510Scandinavian Airlines
Find Deal
Fri, 17 Jan - Mon, 20 Jan
19:30 - 15:40LHR-SFO
28h 10m1 stop
17:30 - 21:40SFO-LHR
20h 10m1 stop
€512Scandinavian Airlines
Find Deal
Wed, 15 Jan - Sun, 19 Jan
11:40 - 14:45LHR-SFO
11h 05mdirect
06:15 - 07:05SFO-LHR
16h 50m1 stop
€583Virgin Atlantic
Find Deal
Fri, 17 Jan - Mon, 20 Jan
14:10 - 20:11LHR-SFO
14h 01m1 stop
16:35 - 13:20SFO-LHR
12h 45m1 stop
€590United Airlines
Find Deal
Wed, 16 Apr - Mon, 28 Apr
09:10 - 19:49LHR-SFO
18h 39m1 stop
12:50 - 07:25SFO-LHR
10h 35mdirect
€592United Airlines
Find Deal
Wed, 8 Jan - Thu, 23 Jan
10:05 - 13:15LHR-SFO
11h 10mdirect
17:25 - 12:00SFO-LHR
10h 35mdirect
€596Brussels Airlines
Find Deal
Wed, 25 Dec - Sat, 11 Jan
11:05 - 12:35LHR-SFO
57h 30m2 stops
20:35 - 21:20SFO-LHR
16h 45m2 stops
€717Brussels Airlines
Find Deal
Mon, 2 Dec - Mon, 9 Dec
20:50 - 18:00LHR-SFO
29h 10m1 stop
€500
Find Deal
Mon, 19 May
12:25 - 14:55LHR-SFO
34h 30m1 stop
€530TAP AIR PORTUGAL
Find Deal
Fri, 6 Dec
13:00 - 14:06LHR-SFO
33h 06m1 stop
€699United Airlines
Find Deal
Fri, 29 Nov
10:00 - 01:07LHR-SFO
23h 07m3 stops
€704United Airlines
Find Deal
Wed, 27 Nov
07:25 - 20:38LHR-SFO
21h 13m1 stop
€826JetBlue
Find Deal
Wed, 8 Jan
12:15 - 00:14LHR-SFO
19h 59m2 stops
€874Icelandair
Find Deal
Wed, 8 Jan
08:25 - 22:49LHR-SFO
22h 24m1 stop
€980JetBlue
Find Deal
Mon, 6 Jan
15:15 - 16:45LHR-SFO
33h 30m1 stop
€1,394Turkish Airlines
Find Deal
Sat, 14 Dec
06:35 - 11:05LHR-SFO
36h 30m1 stop
€1,832Turkish Airlines
Find Deal
Thu, 2 Jan
12:15 - 00:45LHR-SFO
20h 30m2 stops
€1,888Icelandair
Find Deal
Thu, 19 Dec
06:30 - 11:50LHR-SFO
13h 20m1 stop
16:40 - 10:55SFO-LHR
10h 15mdirect
€500Delta
Find Deal
Mon, 25 Nov - Tue, 10 Dec
06:30 - 11:50LHR-SFO
13h 20m1 stop
16:40 - 10:55SFO-LHR
10h 15mdirect
€501Delta
Find Deal
Mon, 25 Nov - Tue, 10 Dec
11:40 - 14:45LHR-SFO
11h 05mdirect
16:40 - 10:55SFO-LHR
10h 15mdirect
€580Virgin Atlantic
Find Deal
Mon, 25 Nov - Tue, 10 Dec
10:05 - 13:15LHR-SFO
11h 10mdirect
12:50 - 07:25SFO-LHR
10h 35mdirect
€592United Airlines
Find Deal
Sat, 23 Nov - Thu, 5 Dec
10:05 - 13:15LHR-SFO
11h 10mdirect
08:30 - 07:10SFO-LHR
14h 40m1 stop
€593United Airlines
Find Deal
Fri, 22 Nov - Sat, 30 Nov
15:20 - 18:45LHR-SFO
11h 25mdirect
20:40 - 15:15SFO-LHR
10h 35mdirect
€635British Airways
Find Deal
Fri, 22 Nov - Wed, 27 Nov
19:55 - 14:45LHR-SFO
26h 50m1 stop
16:35 - 17:30SFO-LHR
16h 55m1 stop
€639TAP AIR PORTUGAL
Find Deal
Sun, 24 Nov - Wed, 27 Nov
19:55 - 14:45LHR-SFO
26h 50m1 stop
16:40 - 17:30SFO-LHR
16h 50m1 stop
€677TAP AIR PORTUGAL
Find Deal
Sun, 24 Nov - Sat, 30 Nov
11:45 - 15:00LHR-SFO
11h 15mdirect
17:30 - 12:00SFO-LHR
10h 30mdirect
€707British Airways
Find Deal
Sat, 23 Nov - Thu, 28 Nov
11:40 - 14:45LHR-SFO
11h 05mdirect
13:39 - 10:00SFO-LHR
12h 21m1 stop
€9,294Virgin Atlantic
Find Deal
Tue, 26 Nov - Sat, 7 Dec
11:40 - 14:45LHR-SFO
11h 05mdirect
16:40 - 10:55SFO-LHR
10h 15mdirect
€525Delta
Find Deal
Mon, 10 Feb - Sun, 23 Feb
11:40 - 14:45LHR-SFO
11h 05mdirect
16:40 - 10:55SFO-LHR
10h 15mdirect
€527Delta
Find Deal
Wed, 4 Dec - Tue, 10 Dec
11:40 - 14:45LHR-SFO
11h 05mdirect
16:40 - 10:55SFO-LHR
10h 15mdirect
€529Delta
Find Deal
Sun, 2 Feb - Sun, 9 Feb
11:15 - 14:15LHR-SFO
11h 00mdirect
16:05 - 10:25SFO-LHR
10h 20mdirect
€531Delta
Find Deal
Tue, 29 Apr - Thu, 8 May
10:05 - 13:15LHR-SFO
11h 10mdirect
12:50 - 07:25SFO-LHR
10h 35mdirect
€592Lufthansa
Find Deal
Fri, 17 Jan - Mon, 20 Jan
10:05 - 13:15LHR-SFO
11h 10mdirect
17:25 - 12:00SFO-LHR
10h 35mdirect
€593United Airlines
Find Deal
Wed, 4 Dec - Wed, 11 Dec
10:05 - 13:15LHR-SFO
11h 10mdirect
17:25 - 12:00SFO-LHR
10h 35mdirect
€596Brussels Airlines
Find Deal
Wed, 25 Dec - Sat, 11 Jan
11:15 - 14:15LHR-SFO
11h 00mdirect
16:05 - 10:25SFO-LHR
10h 20mdirect
€597Virgin Atlantic
Find Deal
Fri, 9 May - Sat, 17 May
13:45 - 16:55LHR-SFO
11h 10mdirect
17:25 - 12:00SFO-LHR
10h 35mdirect
€598United Airlines
Find Deal
Tue, 24 Dec - Mon, 30 Dec
10:05 - 13:15LHR-SFO
11h 10mdirect
17:25 - 12:00SFO-LHR
10h 35mdirect
€633Lufthansa
Find Deal
Thu, 26 Dec - Tue, 7 Jan

Delta flights from London to San Francisco

Our best Delta deals on London to San Francisco flight tickets
Delta
25 Nov
LHR06:30London Heathrow
13h 20m
1 stop
SFO11:50San Francisco
10 Dec
SFO16:40San Francisco
10h 15m
LHR10:55London Heathrow
Delta
26 Jan
LHR06:30London Heathrow
13h 20m
1 stop
SFO11:50San Francisco
7 Apr
SFO16:05San Francisco
10h 20m
LHR10:25London Heathrow
Delta
26 Nov
LHR06:30London Heathrow
13h 20m
1 stop
SFO11:50San Francisco
30 Jan
SFO16:40San Francisco
10h 15m
LHR10:55London Heathrow

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
17 Jan
LHR13:40London Heathrow
33h 15m
1 stop
SFO14:55San Francisco
20 Jan
SFO16:40San Francisco
20h 55m
1 stop
LHR21:35London Heathrow
TAP AIR PORTUGAL
3 Apr
LHR06:00London Heathrow
16h 35m
1 stop
SFO14:35San Francisco
25 Apr
SFO16:20San Francisco
17h 25m
1 stop
LHR17:45London Heathrow
TAP AIR PORTUGAL
22 Nov
LHR19:55London Heathrow
27h 00m
1 stop
SFO14:55San Francisco
13 Jan
SFO16:40San Francisco
16h 50m
1 stop
LHR17:30London 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 cheapest month to fly from London to San Francisco?

February. The cheapest time of year to fly to San Francisco from London is February. The most expensive is July.

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

Saturday. The cheapest day of the week is usually Saturday. The most expensive is usually Saturday.

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

In the morning. London to San Francisco flights are approximately 13% more expensive in the afternoon than in the morning

What is the cheapest London to San Francisco flight route?

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

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

24 days before. The cheapest time to buy a flight from London to San Francisco is approximately 24 days to departure

Can stopping save me money on London to San Francisco flights?

You could potentially save up to 39% on your flight if you consider stops on a London to San Francisco flight.

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

As of November 2024, prices for London to San Francisco flights are approximately 25% more expensive when compared to flights at the same time last year.

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


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

€500

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 in the past 72 hours is €500. The best return flight deal from London to San Francisco found on momondo in the last 72 hours is €455.
The fastest flight from London to San Francisco takes 11h 00m
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?

    The straight-line distance from London to San Francisco is 8609.4 km. By plane, this route typically takes 11h 00m.

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

    Prices for flights from London to San Francisco Airport were last updated today.

  • 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify 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 licence 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?


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?

All flight searches from London to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from London.

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

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from London and alert you when they change.


An easier way to manage your San Francisco trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 26/11
Tue 3/12
Email me momondo's favourite deals

Find better results for your trip to the United States