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Cheap flights from San Francisco to the United Kingdom from $275

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 the United Kingdom departing on 10/25. 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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Cheap round-trip flights

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Multiple Airlines Logo
8:25 am - 12:55 pmSFO-MAN
20h 30m2 stops
Multiple Airlines Logo
3:05 pm - 12:40 pmMAN-SFO
29h 35m2 stops
$564Multiple Airlines
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Wed, Nov 12 - Wed, Nov 19
Multiple Airlines Logo
8:25 am - 9:15 pmSFO-MAN
28h 50m3 stops
Multiple Airlines Logo
4:50 pm - 12:40 pmMAN-SFO
27h 50m2 stops
$580Multiple Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
Iberia Logo
8:00 am - 6:50 amSFO-LHR
14h 50m1 stop
Iberia Logo
11:45 am - 3:00 pmLHR-SFO
11h 15mnonstop
$584Iberia
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Wed, Dec 31 - Fri, Jan 30
Multiple Airlines Logo
4:40 pm - 11:00 pmSFO-STN
22h 20m2 stops
Multiple Airlines Logo
3:15 pm - 2:35 pmSTN-SFO
31h 20m2 stops
$584Multiple Airlines
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Sun, Nov 2 - Fri, Nov 7
British Airways Logo
5:30 pm - 12:00 pmSFO-LHR
10h 30mnonstop
British Airways Logo
3:25 pm - 6:45 pmLHR-SFO
11h 20mnonstop
$592British Airways
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Tue, Jan 20 - Fri, Jan 30
British Airways Logo
5:30 pm - 6:05 pmSFO-EDI
16h 35m1 stop
British Airways Logo
8:40 am - 3:00 pmEDI-SFO
14h 20m1 stop
$598British Airways
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Tue, Nov 11 - Tue, Nov 18
United Airlines Logo
5:25 pm - 12:00 pmSFO-LHR
10h 35mnonstop
United Airlines Logo
6:35 am - 2:50 pmLHR-SFO
16h 15m1 stop
$604United Airlines
Find Deal
Mon, Nov 3 - Tue, Nov 25
United Airlines Logo
1:20 pm - 11:50 amSFO-LHR
14h 30m1 stop
United Airlines Logo
6:35 am - 3:50 pmLHR-SFO
16h 15m1 stop
$605United Airlines
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Wed, Nov 19 - Wed, Mar 25
Virgin Atlantic Logo
2:55 pm - 4:35 pmSFO-GLA
18h 40m1 stop
Virgin Atlantic Logo
5:20 pm - 11:50 amGLA-SFO
26h 30m1 stop
$609Virgin Atlantic
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Mon, Oct 27 - Mon, Nov 10
Virgin Atlantic Logo
1:55 pm - 5:20 pmSFO-LCY
19h 25m1 stop
Virgin Atlantic Logo
5:50 pm - 11:50 amLCY-SFO
26h 00m1 stop
$634Virgin Atlantic
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Wed, Dec 31 - Thu, Jan 15

Lufthansa flights from San Francisco to United Kingdom

Our best Lufthansa deals on San Francisco to United Kingdom flight tickets
Lufthansa
Oct 29
SFO10:40 pmSan Francisco
17h 15m
1 stop
LHR10:55 pmLondon Heathrow
Nov 6
LHR9:30 amLondon Heathrow
18h 05m
2 stops
SFO7:35 pmSan Francisco
$598
Find similar
Lufthansa
Oct 28
SFO8:25 amSan Francisco
20h 40m
2 stops
GLA12:05 pmGlasgow Intl
Nov 11
GLA6:00 amGlasgow Intl
14h 40m
1 stop
SFO12:40 pmSan Francisco
$626
Find similar
Lufthansa
Nov 4
SFO9:40 pmSan Francisco
15h 20m
1 stop
LHR9:00 pmLondon Heathrow
Nov 17
LHR7:15 pmLondon Heathrow
25h 25m
2 stops
SFO12:40 pmSan Francisco
$631
Find similar

United Airlines flights from San Francisco to United Kingdom

Our best United Airlines deals on San Francisco to United Kingdom flight tickets
United Airlines
Nov 3
SFO5:25 pmSan Francisco
10h 35m
LHR12:00 pmLondon Heathrow
Nov 25
LHR6:35 amLondon Heathrow
16h 15m
1 stop
SFO2:50 pmSan Francisco
$604
Find similar
United Airlines
Nov 19
SFO1:20 pmSan Francisco
14h 30m
1 stop
LHR11:50 amLondon Heathrow
Mar 25
LHR6:35 amLondon Heathrow
16h 15m
1 stop
SFO3:50 pmSan Francisco
$605
Find similar
United Airlines
Oct 21
SFO7:50 pmSan Francisco
10h 20m
LHR2:10 pmLondon Heathrow
Nov 7
LHR9:00 amLondon Heathrow
15h 30m
1 stop
SFO4:30 pmSan Francisco
$606
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momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to United Kingdom that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from San Francisco to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoManchester

SFO - MAN

SFOMAN

San Francisco

Wed 11/12

8:25 am-12:55 pm

2 stops20h 30m

Manchester

Wed 11/19

3:05 pm-12:40 pm

2 stops29h 35m

$564

San FranciscoManchester

SFO - MAN

SFOMAN

San Francisco

Wed 11/12

8:25 am-9:15 pm

3 stops28h 50m

Manchester

Wed 11/19

4:50 pm-12:40 pm

2 stops27h 50m

$580

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 12/31

8:00 am-6:50 am

1 stop14h 50m

London Heathrow

Fri 1/30

11:45 am-3:00 pm

Nonstop11h 15m

$584

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Sun 11/2

4:40 pm-11:00 pm

2 stops22h 20m

London Stansted

Fri 11/7

3:15 pm-2:35 pm

2 stops31h 20m

$584

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 1/20

5:30 pm-12:00 pm

Nonstop10h 30m

London Heathrow

Fri 1/30

3:25 pm-6:45 pm

Nonstop11h 20m

$592

San FranciscoEdinburgh

SFO - EDI

SFOEDI

San Francisco

Tue 11/11

5:30 pm-6:05 pm

1 stop16h 35m

Edinburgh Turnhouse

Tue 11/18

8:40 am-3:00 pm

1 stop14h 20m

$598

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 11/3

5:25 pm-12:00 pm

Nonstop10h 35m

London Heathrow

Tue 11/25

6:35 am-2:50 pm

1 stop16h 15m

$604

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 11/19

1:20 pm-11:50 am

1 stop14h 30m

London Heathrow

Wed 3/25

6:35 am-3:50 pm

1 stop16h 15m

$605

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Mon 10/27

2:55 pm-4:35 pm

1 stop18h 40m

Glasgow Intl

Mon 11/10

5:20 pm-11:50 am

1 stop26h 30m

$609

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Wed 12/31

1:55 pm-5:20 pm

1 stop19h 25m

London City

Thu 1/15

5:50 pm-11:50 am

1 stop26h 00m

$634

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from San Francisco to United Kingdom

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 United Kingdom?

In general, September is the cheapest month to fly from San Francisco to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $662. If you aren’t able to travel to United Kingdom during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $665.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from San Francisco to United Kingdom is on a Wednesday when prices can be found for as low as $811. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $943.

What is the cheapest time of day to depart on your flight to United Kingdom?

According to our data, the cheapest time of day to fly to United Kingdom is in the evening. momondo users have found flights departing from San Francisco to United Kingdom in the evening for as low as $854. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly at noon, with an average ticket price of $974. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest San Francisco to United Kingdom flight route?

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

How far in advance should I book a flight to United Kingdom?

You are more likely to see cheaper flights to United Kingdom from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $769 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from San Francisco for as low as $729 on momondo.

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

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

Cheap San Francisco to United Kingdom flight deals and tips

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

Best Price Found

$407

Fastest flight time

10h 10m

Direct flights

Every day

Airports in United Kingdom

1 airport
The best one-way flight to United Kingdom from San Francisco in the past 72 hours is $407. The best round-trip flight deal from San Francisco to United Kingdom found on momondo in the last 72 hours is $678.
The fastest flight from San Francisco to United Kingdom takes 10h 10m
Direct flights go from San Francisco to United Kingdom every day.
There is 1 airport near United Kingdom: London Heathrow (LHR)
Search flight deals

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

    Prices for flights from San Francisco Airport to United Kingdom are refreshed on a daily basis.

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

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

    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 United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The required travel and health documents for your United Kingdom 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 license and a passport valid for six months after your intended arrival at United Kingdom. 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 San Francisco to United Kingdom?

Best airlines flying from San Francisco to United Kingdom

Compare and see reviews for airlines that fly from San Francisco to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $151Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
Scandinavian AirlinesPriceFrom $333Free CancellationRating
7.4
1,533 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $433Free CancellationRating
7.1
2,016 reviews
Search TAP AIR PORTUGAL flights
SWISSPriceFrom $475Free CancellationRating
7.5
1,772 reviews
Search SWISS flights
British AirwaysPriceFrom $514Free CancellationRating
6.7
7,457 reviews
Search British Airways flights
Aer LingusPriceFrom $527Free CancellationRating
7.2
1,341 reviews
Search Aer Lingus flights
DeltaPriceFrom $562Free CancellationRating
7.9
7,977 reviews
Search Delta flights
LufthansaPriceFrom $566Free CancellationRating
6.8
7,497 reviews
Search Lufthansa flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
IberiaPriceFrom $572Free CancellationRating
7.0
2,994 reviews
Search Iberia flights

Why use momondo?

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

It is quick and easy to find San Francisco to United Kingdom flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United Kingdom that suits you.

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

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

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

momondo helps you find the best flight between San Francisco and United Kingdom by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

An easier way to manage your United Kingdom trip

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Find better results for your trip to the United Kingdom

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom $309
Flights to Manchesterfrom $364
Flights to Edinburghfrom $359
Flights to Glasgowfrom $400
Flights to Birminghamfrom $401
Flights to Newcastle upon Tynefrom $499
Flights to Belfastfrom $523
Flights to Bristolfrom $437
Flights to Invernessfrom $414
Flights to Liverpoolfrom $433
Flights to Aberdeenfrom $521
Flights to Leedsfrom $450