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Cheap flights from the United Kingdom to San Francisco from £260

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to San Francisco departing on 26/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from the United Kingdom to San Francisco

Recent return flight deals from the United Kingdom to San Francisco

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
06:00 - 14:30LHR-SFO
16h 30m1 stop
TAP AIR PORTUGAL Logo
16:35 - 17:30SFO-LHR
16h 55m1 stop
£396TAP AIR PORTUGAL
Find Deal
Wed, 26 Nov - Wed, 3 Dec
TAP AIR PORTUGAL Logo
06:00 - 14:35LHR-SFO
16h 35m1 stop
TAP AIR PORTUGAL Logo
16:35 - 22:40SFO-LHR
22h 05m1 stop
£402TAP AIR PORTUGAL
Find Deal
Mon, 24 Nov - Sat, 29 Nov
Lufthansa Logo
09:50 - 15:55LCY-SFO
14h 05m1 stop
Lufthansa Logo
18:50 - 17:40SFO-LCY
14h 50m1 stop
£483Lufthansa
Find Deal
Tue, 20 Jan - Thu, 19 Feb
Lufthansa Logo
09:50 - 15:55LCY-SFO
14h 05m1 stop
Lufthansa Logo
18:50 - 16:40SFO-LCY
13h 50m1 stop
£488Lufthansa
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Virgin Atlantic Logo
18:55 - 11:50LCY-SFO
24h 55m1 stop
Virgin Atlantic Logo
07:30 - 09:30SFO-LCY
18h 00m2 stops
£507Virgin Atlantic
Find Deal
Wed, 24 Dec - Wed, 31 Dec
Virgin Atlantic Logo
07:45 - 20:59LCY-SFO
21h 14m2 stops
Virgin Atlantic Logo
06:00 - 09:30SFO-LCY
19h 30m2 stops
£509Virgin Atlantic
Find Deal
Tue, 13 Jan - Fri, 23 Jan
British Airways Logo
07:50 - 15:00EDI-SFO
15h 10m1 stop
British Airways Logo
20:40 - 20:20SFO-EDI
15h 40m1 stop
£547British Airways
Find Deal
Tue, 13 Jan - Thu, 26 Feb
British Airways Logo
07:50 - 15:00EDI-SFO
15h 10m1 stop
British Airways Logo
20:40 - 18:45SFO-EDI
14h 05m1 stop
£548British Airways
Find Deal
Tue, 13 Jan - Thu, 26 Feb
United Airlines Logo
09:40 - 20:07EDI-SFO
18h 27m2 stops
United Airlines Logo
00:45 - 08:05SFO-EDI
23h 20m2 stops
£587United Airlines
Find Deal
Wed, 22 Apr - Tue, 12 May
United Airlines Logo
06:00 - 20:10BHX-SFO
22h 10m1 stop
United Airlines Logo
23:20 - 12:45SFO-BHX
30h 25m2 stops
£588United Airlines
Find Deal
Wed, 4 Mar - Sun, 8 Mar

TAP AIR PORTUGAL flights from United Kingdom to San Francisco

Our best TAP AIR PORTUGAL deals on United Kingdom to San Francisco flight tickets
TAP AIR PORTUGAL
26 Nov
LHR06:00London Heathrow
16h 30m
1 stop
SFO14:30San Francisco
3 Dec
SFO16:35San Francisco
16h 55m
1 stop
LHR17:30London Heathrow
£396
Find similar
TAP AIR PORTUGAL
24 Nov
LHR06:00London Heathrow
16h 35m
1 stop
SFO14:35San Francisco
29 Nov
SFO16:35San Francisco
22h 05m
1 stop
LHR22:40London Heathrow
£402
Find similar
TAP AIR PORTUGAL
18 Jan
LHR18:30London Heathrow
28h 05m
1 stop
SFO14:35San Francisco
28 Jan
SFO16:35San Francisco
18h 20m
1 stop
LHR18:55London Heathrow
£406
Find similar

ITA Airways flights from United Kingdom to San Francisco

Our best ITA Airways deals on United Kingdom to San Francisco flight tickets
ITA Airways
23 Nov
LCY16:45London City
28h 20m
1 stop
SFO13:05San Francisco
6 Dec
SFO15:05San Francisco
17h 05m
1 stop
LCY16:10London City
£478
Find similar
ITA Airways
23 Nov
LCY16:45London City
28h 20m
1 stop
SFO13:05San Francisco
6 Dec
SFO15:05San Francisco
17h 05m
1 stop
LCY16:10London City
£479
Find similar
ITA Airways
23 Nov
LCY16:45London City
28h 20m
1 stop
SFO13:05San Francisco
6 Dec
SFO15:05San Francisco
17h 05m
1 stop
LCY16:10London City
£480
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to San Francisco 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 7 November 2025.
Use the filters below to find and compare flights from the United Kingdom to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 26/11

06:00-14:30

1 stop16h 30m

San Francisco

Wed 3/12

16:35-17:30

1 stop16h 55m

£396

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 24/11

06:00-14:35

1 stop16h 35m

San Francisco

Sat 29/11

16:35-22:40

1 stop22h 05m

£402

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Tue 20/1

09:50-15:55

1 stop14h 05m

San Francisco

Thu 19/2

18:50-17:40

1 stop14h 50m

£483

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Wed 3/12

09:50-15:55

1 stop14h 05m

San Francisco

Wed 10/12

18:50-16:40

1 stop13h 50m

£488

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Wed 24/12

18:55-11:50

1 stop24h 55m

San Francisco

Wed 31/12

07:30-09:30

2 stops18h 00m

£507

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Tue 13/1

07:45-20:59

2 stops21h 14m

San Francisco

Fri 23/1

06:00-09:30

2 stops19h 30m

£509

EdinburghSan Francisco

EDI - SFO

EDISFO

Edinburgh Turnhouse

Tue 13/1

07:50-15:00

1 stop15h 10m

San Francisco

Thu 26/2

20:40-20:20

1 stop15h 40m

£547

EdinburghSan Francisco

EDI - SFO

EDISFO

Edinburgh Turnhouse

Tue 13/1

07:50-15:00

1 stop15h 10m

San Francisco

Thu 26/2

20:40-18:45

1 stop14h 05m

£548

EdinburghSan Francisco

EDI - SFO

EDISFO

Edinburgh Turnhouse

Wed 22/4

09:40-20:07

2 stops18h 27m

San Francisco

Tue 12/5

00:45-08:05

2 stops23h 20m

£587

BirminghamSan Francisco

BHX - SFO

BHXSFO

Birmingham

Wed 4/3

06:00-20:10

1 stop22h 10m

San Francisco

Sun 8/3

23:20-12:45

2 stops30h 25m

£588

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to San Francisco from

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

The month of September is, on average, the cheapest month to fly to San Francisco from United Kingdom, with most prices found around £439. If you are unable to visit San Francisco during the month of September, then departing from United Kingdom during the month February is also very affordable. Most momondo users find prices during this month for around £442.

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 Thursday when prices can be found for as low as £596. This is often the case because there is less demand to fly during this day of the week. Flights from United Kingdom to San Francisco on a Sunday will generally be more expensive and average around £693. 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 United Kingdom to San Francisco during this time can be as low as £491. Try not to purchase tickets at midday because they tend to be around £986. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from London Heathrow to San Francisco for the best United Kingdom - 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 United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around £518 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from United Kingdom for as low as £480 on momondo.

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

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

You could potentially save up to 23% on your flight if you consider stops on a United Kingdom to San Francisco flight.

Cheap United Kingdom to San Francisco flight deals and tips

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

Best price found

£398

Fastest flight time

11h 00m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from United Kingdom in the past 72 hours is £398. The best return flight deal from United Kingdom to San Francisco found on momondo in the last 72 hours is £554.
The fastest flight from United Kingdom to San Francisco takes 11h 00m
Direct flights go from United Kingdom to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

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

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

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

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

    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 United Kingdom to San Francisco Airport.

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

    The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from United Kingdom to San Francisco

Compare and see reviews for airlines that fly from United Kingdom to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom £244Free CancellationRating
7.9
8,000 reviews
Search Delta flights
Air CanadaPriceFrom £344Free CancellationRating
7.1
10,417 reviews
Search Air Canada flights
Aer LingusPriceFrom £359Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom £360Free CancellationRating
7.1
2,049 reviews
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesPriceFrom £363Free CancellationRating
7.4
1,566 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom £366Free CancellationRating
7.4
9,009 reviews
Search United Airlines flights
SWISSPriceFrom £367Free CancellationRating
7.5
1,779 reviews
Search SWISS flights
Brussels AirlinesPriceFrom £374Free CancellationRating
7.2
369 reviews
Search Brussels Airlines flights
FinnairPriceFrom £380Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
KLMPriceFrom £380Free CancellationRating
7.7
1,408 reviews
Search KLM flights

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
Santa Clara
Seaside
Big Sur
Rohnert Park
Sunnyvale
San Ramon
South San Francisco
Capitola
Campbell
Palo Alto
Sausalito
San Bruno
Woodland
Santa Cruz
Redwood City
Burlingame
Modesto
Aptos
Fremont

Why use momondo?

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

Finding the right flight to San Francisco from United Kingdom is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

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

Flights from United Kingdom to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

Yes momondo offers price alerts on flights to San Francisco from United Kingdom. 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 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.
Start using Trips
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