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Cheap flights from San Francisco to the United Kingdom from £176

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 23/10. 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 return flights

TAP AIR PORTUGAL Logo
16:35 - 16:15SFO-MAN
15h 40m1 stop
TAP AIR PORTUGAL Logo
17:15 - 14:30MAN-SFO
29h 15m1 stop
£343TAP AIR PORTUGAL
Find Deal
Wed, 3 Dec - Tue, 9 Dec
TAP AIR PORTUGAL Logo
16:20 - 10:10SFO-MAN
33h 50m1 stop
TAP AIR PORTUGAL Logo
17:15 - 14:30MAN-SFO
29h 15m1 stop
£344TAP AIR PORTUGAL
Find Deal
Mon, 20 Oct - Tue, 4 Nov
United Airlines Logo
19:55 - 14:10SFO-LHR
10h 15mdirect
United Airlines Logo
08:45 - 16:35LHR-SFO
15h 50m1 stop
£396United Airlines
Find Deal
Sun, 21 Sep - Tue, 7 Oct
United Airlines Logo
16:05 - 10:25SFO-LHR
10h 20mdirect
United Airlines Logo
07:25 - 14:30LHR-SFO
15h 05m1 stop
£400United Airlines
Find Deal
Sun, 21 Sep - Tue, 7 Oct
Virgin Atlantic Logo
21:20 - 15:40SFO-LHR
10h 20mdirect
Virgin Atlantic Logo
20:55 - 11:45LHR-SFO
22h 50m1 stop
£415Virgin Atlantic
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Sun, 21 Sep - Tue, 7 Oct
British Airways Logo
17:30 - 16:40SFO-GLA
15h 10m1 stop
British Airways Logo
17:45 - 15:00GLA-SFO
29h 15m1 stop
£416British Airways
Find Deal
Sun, 1 Feb - Mon, 16 Feb
British Airways Logo
17:30 - 16:40SFO-GLA
15h 10m1 stop
British Airways Logo
20:25 - 15:00GLA-SFO
26h 35m1 stop
£416British Airways
Find Deal
Sun, 1 Feb - Mon, 16 Feb
Virgin Atlantic Logo
21:20 - 15:40SFO-LHR
10h 20mdirect
Virgin Atlantic Logo
11:15 - 14:15LHR-SFO
11h 00mdirect
£419Virgin Atlantic
Find Deal
Sun, 21 Sep - Tue, 7 Oct
Lufthansa Logo
21:05 - 22:50SFO-GLA
17h 45m2 stops
Lufthansa Logo
06:00 - 13:40GLA-SFO
14h 40m1 stop
£487Lufthansa
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Mon, 20 Oct - Tue, 28 Oct
Lufthansa Logo
14:40 - 16:25SFO-LCY
17h 45m1 stop
Lufthansa Logo
19:10 - 12:40LCY-SFO
25h 30m1 stop
£501Lufthansa
Find Deal
Wed, 15 Oct - Mon, 20 Oct

Scandinavian Airlines flights from San Francisco to United Kingdom

Our best Scandinavian Airlines deals on San Francisco to United Kingdom flight tickets
Scandinavian Airlines
27 Oct
SFO12:35San Francisco
22h 05m
2 stops
LHR17:40London Heathrow
9 Nov
LHR17:00London Heathrow
29h 35m
1 stop
SFO14:35San Francisco
£382
Find similar
Scandinavian Airlines
12 Nov
SFO15:30San Francisco
18h 10m
2 stops
LHR17:40London Heathrow
19 Nov
LHR19:50London Heathrow
26h 45m
2 stops
SFO14:35San Francisco
£385
Find similar
Scandinavian Airlines
27 Oct
SFO12:35San Francisco
22h 55m
2 stops
LHR18:30London Heathrow
1 Nov
LHR06:40London Heathrow
39h 55m
2 stops
SFO15:35San Francisco
£388
Find similar

SWISS flights from San Francisco to United Kingdom

Our best SWISS deals on San Francisco to United Kingdom flight tickets
SWISS
28 Sept
SFO19:30San Francisco
14h 20m
1 stop
LGW17:50London Gatwick
7 Oct
LGW18:35London Gatwick
29h 35m
1 stop
SFO16:10San Francisco
£415
Find similar
SWISS
6 Oct
SFO19:40San Francisco
14h 10m
1 stop
LGW17:50London Gatwick
14 Oct
LGW18:35London Gatwick
29h 35m
1 stop
SFO16:10San Francisco
£416
Find similar
SWISS
8 Oct
SFO19:30San Francisco
28h 25m
1 stop
LHR07:55London Heathrow
15 Oct
LHR08:40London Heathrow
15h 30m
1 stop
SFO16:10San Francisco
£417
Find similar

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 12 September 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 3/12

16:35-16:15

1 stop15h 40m

Manchester

Tue 9/12

17:15-14:30

1 stop29h 15m

£343

San FranciscoManchester

SFO - MAN

SFOMAN

San Francisco

Mon 20/10

16:20-10:10

1 stop33h 50m

Manchester

Tue 4/11

17:15-14:30

1 stop29h 15m

£344

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 21/9

19:55-14:10

Nonstop10h 15m

London Heathrow

Tue 7/10

08:45-16:35

1 stop15h 50m

£396

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 21/9

16:05-10:25

Nonstop10h 20m

London Heathrow

Tue 7/10

07:25-14:30

1 stop15h 05m

£400

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 21/9

21:20-15:40

Nonstop10h 20m

London Heathrow

Tue 7/10

20:55-11:45

1 stop22h 50m

£415

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Sun 1/2

17:30-16:40

1 stop15h 10m

Glasgow Intl

Mon 16/2

17:45-15:00

1 stop29h 15m

£416

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Sun 1/2

17:30-16:40

1 stop15h 10m

Glasgow Intl

Mon 16/2

20:25-15:00

1 stop26h 35m

£416

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 21/9

21:20-15:40

Nonstop10h 20m

London Heathrow

Tue 7/10

11:15-14:15

Nonstop11h 00m

£419

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Mon 20/10

21:05-22:50

2 stops17h 45m

Glasgow Intl

Tue 28/10

06:00-13:40

1 stop14h 40m

£487

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Wed 15/10

14:40-16:25

1 stop17h 45m

London City

Mon 20/10

19:10-12:40

1 stop25h 30m

£501

Flights are sorted by cheapest return 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?

The cheapest month to fly to United Kingdom from San Francisco is in October. Flight prices, which tend to average around £477, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of October, then departing from San Francisco during the month September is also very affordable. Most momondo users find prices during this month for around £487.

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. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £490. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to United Kingdom for around £686.

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

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £541. Try not to purchase tickets at midday because they tend to be around £792. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 £566 when searching weeks before you fly. 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 £518 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.

Can stopping save me money on San Francisco to United Kingdom flights?

You could potentially save up to 25% on your flight if you consider stops on a San Francisco to United Kingdom flight.

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

£304

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 £304. The best return flight deal from San Francisco to United Kingdom found on momondo in the last 72 hours is £436.
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 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 layovers. It is recommended that you verify with the airline you are booking with for 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
Scandinavian AirlinesPriceFrom £352Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
Virgin AtlanticPriceFrom £365Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
KLMPriceFrom £367Free CancellationRating
7.8
1,385 reviews
Search KLM flights
British AirwaysPriceFrom £383Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
TAP AIR PORTUGALPriceFrom £388Free CancellationRating
7.1
1,977 reviews
Search TAP AIR PORTUGAL flights
United AirlinesPriceFrom £413Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
IberiaPriceFrom £424Free CancellationRating
7.0
2,929 reviews
Search Iberia flights
LufthansaPriceFrom £426Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
Air CanadaPriceFrom £431Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Aer LingusPriceFrom £498Free CancellationRating
7.2
1,271 reviews
Search Aer Lingus 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?

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

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

momondo provides multiple filters to help you find the best flight to United Kingdom 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 United Kingdom right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco to United Kingdom now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to United Kingdom and let you know when they change.

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 £30
Flights to Manchesterfrom £30
Flights to Birminghamfrom £33
Flights to Edinburghfrom £28
Flights to Belfastfrom £28
Flights to Glasgowfrom £32
Flights to Bristolfrom £32
Flights to Newcastle upon Tynefrom £33
Flights to Aberdeenfrom £47
Flights to Liverpoolfrom £30
Flights to Leedsfrom £35
Flights to Invernessfrom £32