Latest deals
Insights
FAQs
Reviews

Cheap flights from San Francisco to London from $241

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 departing on 9/29. 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
From?
To?
Wed 5/29
Wed 6/5

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize 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? Create a price alert to track prices.

Easily compare round-trip flights from San Francisco to London

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from San Francisco to London by changing tabs
TAP AIR PORTUGAL
Oct 28
SFO5:40 pmSan Francisco
15h 05m
1 stop
LGW3:45 pmLondon Gatwick
Nov 12
LGW4:35 pmLondon Gatwick
30h 20m
1 stop
SFO2:55 pmSan Francisco
United Airlines
Oct 31
SFO7:13 pmSan Francisco
33h 37m
1 stop
LHR11:50 amLondon Heathrow
Nov 3
LHR8:50 amLondon Heathrow
15h 25m
1 stop
SFO5:15 pmSan Francisco
Scandinavian Airlines
Nov 14
SFO4:20 pmSan Francisco
33h 15m
2 stops
LHR9:35 amLondon Heathrow
Nov 26
LHR7:30 pmLondon Heathrow
27h 00m
2 stops
SFO2:30 pmSan Francisco
Multiple Airlines
Nov 15
SFO8:50 amSan Francisco
18h 30m
1 stop
LHR11:20 amLondon Heathrow
Nov 17
LHR8:55 amLondon Heathrow
19h 54m
2 stops
SFO8:49 pmSan Francisco
SWISS
Oct 8
SFO7:40 pmSan Francisco
14h 15m
1 stop
LHR5:55 pmLondon Heathrow
Oct 17
LHR8:40 amLondon Heathrow
15h 25m
1 stop
SFO4:05 pmSan Francisco
Virgin Atlantic
Nov 12
SFO3:45 pmSan Francisco
10h 15m
LHR10:00 amLondon Heathrow
Nov 19
LHR6:20 amLondon Heathrow
14h 45m
1 stop
SFO1:05 pmSan Francisco

Find the cheapest one-way flights from San Francisco to London

If you're looking for one-way flights from San Francisco to London, view some of our deals below provided by Delta, Virgin Atlantic and Vueling
Multiple Airlines
Sep 29
SFO12:50 pmSan Francisco
20h 25m
2 stops
STN5:15 pmLondon Stansted
Vueling
Jul 21
SFO8:10 pmSan Francisco
30h 05m
1 stop
LGW10:15 amLondon Gatwick
WestJet
Sep 15
SFO6:05 pmSan Francisco
30h 55m
2 stops
LGW9:00 amLondon Gatwick

Search last-minute flights to London from San Francisco

Find and compare round-trip flight prices for your last-minute flight from San Francisco to London
ITA Airways
May 26
SFO3:15 pmSan Francisco
17h 05m
1 stop
LCY4:20 pmLondon City
Jun 4
LCY4:50 pmLondon City
28h 25m
1 stop
SFO1:15 pmSan Francisco
Multiple Airlines
May 26
SFO3:15 pmSan Francisco
17h 05m
1 stop
LCY4:20 pmLondon City
Jun 4
LCY8:30 amLondon City
24h 48m
2 stops
SFO1:18 amSan Francisco
TAP AIR PORTUGAL
May 28
SFO4:20 pmSan Francisco
15h 15m
1 stop
LGW3:35 pmLondon Gatwick
Jun 4
LGW4:25 pmLondon Gatwick
30h 10m
1 stop
SFO2:35 pmSan Francisco
SWISS
May 28
SFO7:40 pmSan Francisco
14h 15m
1 stop
LHR5:55 pmLondon Heathrow
Jun 4
LHR8:40 amLondon Heathrow
15h 25m
1 stop
SFO4:05 pmSan Francisco
Virgin Atlantic
May 31
SFO4:40 pmSan Francisco
14h 10m
1 stop
LHR2:50 pmLondon Heathrow
Jun 14
LHR4:50 pmLondon Heathrow
15h 25m
1 stop
SFO12:15 amSan Francisco
United Airlines
Jun 1
SFO7:45 pmSan Francisco
10h 25m
LHR2:10 pmLondon Heathrow
Sep 30
LHR12:05 pmLondon Heathrow
36h 00m
1 stop
SFO4:05 pmSan Francisco

United Airlines flights from San Francisco to London

Our best United Airlines deals on San Francisco to London flight tickets
United Airlines
Oct 31
SFO7:13 pmSan Francisco
33h 37m
1 stop
LHR11:50 amLondon Heathrow
Nov 3
LHR8:50 amLondon Heathrow
15h 25m
1 stop
SFO5:15 pmSan Francisco
United Airlines
Oct 31
SFO8:40 pmSan Francisco
31h 40m
1 stop
LHR11:20 amLondon Heathrow
Nov 3
LHR10:05 amLondon Heathrow
11h 10m
SFO1:15 pmSan Francisco
United Airlines
Oct 1
SFO7:50 pmSan Francisco
10h 20m
LHR2:10 pmLondon Heathrow
Oct 31
LHR7:40 amLondon Heathrow
15h 15m
1 stop
SFO3:55 pmSan Francisco

Scandinavian Airlines flights from San Francisco to London

Our best Scandinavian Airlines deals on San Francisco to London flight tickets
Scandinavian Airlines
Nov 14
SFO4:20 pmSan Francisco
33h 15m
2 stops
LHR9:35 amLondon Heathrow
Nov 26
LHR7:30 pmLondon Heathrow
27h 00m
2 stops
SFO2:30 pmSan Francisco
Scandinavian Airlines
Nov 7
SFO4:20 pmSan Francisco
33h 15m
2 stops
LHR9:35 amLondon Heathrow
Nov 18
LHR6:40 amLondon Heathrow
15h 50m
1 stop
SFO2:30 pmSan Francisco
Scandinavian Airlines
Nov 7
SFO4:20 pmSan Francisco
33h 15m
2 stops
LHR9:35 amLondon Heathrow
Nov 11
LHR6:40 amLondon Heathrow
15h 50m
1 stop
SFO2:30 pmSan Francisco

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

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?

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

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

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

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

In the afternoon. San Francisco to London flights are approximately 11% more expensive in the morning than in the afternoon

What is the cheapest airline that flies to London from San Francisco?

TAP AIR PORTUGAL. Iberia, Norse Atlantic UK, and SWISS are the most popular carriers operating from San Francisco to London

What is the cheapest San Francisco to London flight route?

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

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

21 days before. The cheapest time to buy a flight from San Francisco to London is approximately 21 days to departure

How many flights depart from San Francisco to London on average per day?

28 flights are operational weekly from San Francisco to London as of May 2024. The most popular departure time for this route is 6:00PM, with 46% of flights per day taking off in the afternoon.

How many flights depart from San Francisco to London on average per week?

As of May 2024, 202 flights take off from San Francisco and land in London each week. The most common flight departure day for this route is Monday, with 15% of weekly flights taking off on this day.

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

There are 4 cabin classes available to choose from on San Francisco to London 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 flights?

You could potentially save up to 7% on your flight if you consider stops on a San Francisco to London flight.

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

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

Best Price Found

$241

Fastest flight time

10h 15m

Direct flights

Every day

Airports in London

6 airports
The best one-way flight to London from San Francisco in the past 72 hours is $241. The best round-trip flight deal from San Francisco to London found on momondo in the last 72 hours is $487.
The fastest flight from San Francisco to London takes 10h 15m
Direct flights go from San Francisco to London every day.
There are 6 airports near London: London City (LCY), London Luton (LTN), London Heathrow (LHR), London Stansted (STN), London Gatwick (LGW), London Southend (SEN)

  • How far is San Francisco to London by plane?

    London is 5349.7 mi away from San Francisco. In terms of flight time, this usually takes a little over 10h 15m.

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

    Prices for flights from San Francisco Airport to London refresh daily.

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

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

    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 San Francisco Airport to London.

  • What documentation or ID do you need to fly to London?

    The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Best airlines flying from San Francisco to London

Compare and see reviews for airlines that fly from San Francisco to London with momondo
Airline
Rating
Free Cancellation
Price
Norse Atlantic UKPriceFrom $199Free CancellationRating
6.8
29 reviews
Search Norse Atlantic UK flights
TAP AIR PORTUGALPriceFrom $467Free CancellationRating
7.1
2,123 reviews
Search TAP AIR PORTUGAL flights
VuelingPriceFrom $482Free CancellationRating
6.9
1,439 reviews
Search Vueling flights
Scandinavian AirlinesPriceFrom $486Free CancellationRating
7.4
1,407 reviews
Search Scandinavian Airlines flights
Brussels AirlinesPriceFrom $526Free CancellationRating
7.2
568 reviews
Search Brussels Airlines flights
Aer LingusPriceFrom $562Free CancellationRating
7.2
1,318 reviews
Search Aer Lingus flights
SWISSPriceFrom $571Free CancellationRating
7.7
1,964 reviews
Search SWISS flights
FinnairPriceFrom $571Free CancellationRating
7.7
1,370 reviews
Search Finnair flights
IberiaPriceFrom $573Free CancellationRating
7.1
2,734 reviews
Search Iberia flights
Air FrancePriceFrom $575Free CancellationRating
7.5
1,751 reviews
Search Air France flights
  • Delta Flights From San Francisco to London

    The lowest priced Delta flight from San Francisco to London from the last 72 hours was $584. Generally, Delta has 7 flights on this route every week with an average price of $806. Delta is rated 8.0/10 by our users.

  • KLM Flights From San Francisco to London

    KLM (7.8/10 from 1,549 reviews) operates around 7 flights from San Francisco to London in any given week. The average KLM airfare for this route is around $931, with deals from around $607 rare but found on momondo. Referenced prices are for round-trip San Francisco to London 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?

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 London from San Francisco.

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

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

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

momondo provides multiple filters to help you find the best flight to London from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to London from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


An easier way to manage your London trip

We make it super easy to schedule, organize 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?
Wed 5/29
Wed 6/5
Email me momondo's favorite deals

Find better results for your trip to the United Kingdom

Fly into one of these airports located in London
Airports listed have a maximum distance of 35.6 mi from London