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Cheap flights from the United Kingdom to San Francisco from £279

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 18/5. 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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0 bags

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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.
Multiple Airlines Logo
11:30 - 14:35
EDI
-
SFO
35h 05m2 stops
Multiple Airlines Logo
15:10 - 22:30
SFO
-
EDI
23h 20m2 stops
£440Multiple Airlines
Thu, 22 Jan - Thu, 29 Jan
Multiple Airlines Logo
11:30 - 14:35
EDI
-
SFO
35h 05m2 stops
Multiple Airlines Logo
15:10 - 22:30
SFO
-
EDI
23h 20m3 stops
£445Multiple Airlines
Thu, 22 Jan - Thu, 29 Jan
Scandinavian Airlines Logo
06:40 - 14:35
LHR
-
SFO
15h 55m1 stop
Scandinavian Airlines Logo
16:40 - 16:25
SFO
-
LHR
15h 45m2 stops
£469Scandinavian Airlines
Sat, 17 Jan - Mon, 26 Jan
United Airlines Logo
11:10 - 19:35
LHR
-
SFO
16h 25m1 stop
United Airlines Logo
12:50 - 07:25
SFO
-
LHR
10h 35mdirect
£470United Airlines
Mon, 19 Jan - Mon, 2 Feb
TAP AIR PORTUGAL Logo
06:00 - 14:45
LHR
-
SFO
16h 45m1 stop
TAP AIR PORTUGAL Logo
16:35 - 17:30
SFO
-
LHR
16h 55m1 stop
£470TAP AIR PORTUGAL
Sat, 24 Jan - Sat, 14 Feb
Lufthansa Logo
13:45 - 17:00
LHR
-
SFO
11h 15mdirect
Lufthansa Logo
23:15 - 05:55
SFO
-
LHR
22h 40m1 stop
£473Lufthansa
Mon, 19 Jan - Sun, 25 Jan
British Airways Logo
15:25 - 18:45
LHR
-
SFO
11h 20mdirect
British Airways Logo
18:30 - 12:00
SFO
-
LHR
10h 30mdirect
£475British Airways
Mon, 2 Mar - Tue, 10 Mar
British Airways Logo
13:55 - 00:47
GLA
-
SFO
18h 52m2 stops
British Airways Logo
20:40 - 22:30
SFO
-
GLA
17h 50m1 stop
£543British Airways
Wed, 21 Jan - Wed, 28 Jan
Virgin Atlantic Logo
11:00 - 11:50
EDI
-
SFO
32h 50m1 stop
Virgin Atlantic Logo
15:40 - 21:35
SFO
-
EDI
21h 55m1 stop
£543Virgin Atlantic
Tue, 13 Jan - Thu, 26 Feb
Virgin Atlantic Logo
06:20 - 23:56
LBA
-
SFO
25h 36m2 stops
Virgin Atlantic Logo
21:55 - 09:30
SFO
-
LBA
27h 35m2 stops
£669Virgin Atlantic
Thu, 9 Apr - Sun, 19 Apr

Aer Lingus flights from United Kingdom to San Francisco

Our best Aer Lingus deals on United Kingdom to San Francisco flight tickets
Aer Lingus
9 Mar
LHR09:50London Heathrow
13h 45m
1 stop
SFO16:35San Francisco
13 Mar
SFO18:20San Francisco
14h 15m
1 stop
LHR15:35London Heathrow
£479
Find similar
Aer Lingus
21 Feb
LHR09:50London Heathrow
13h 45m
1 stop
SFO15:35San Francisco
24 Feb
SFO17:20San Francisco
14h 15m
1 stop
LHR15:35London Heathrow
£488
Find similar
Aer Lingus
9 Mar
MAN09:50Manchester
13h 45m
1 stop
SFO16:35San Francisco
18 Mar
SFO18:20San Francisco
12h 05m
1 stop
MAN13:25Manchester
£548
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
13 Mar
LCY16:45London City
28h 20m
1 stop
SFO14:05San Francisco
21 Mar
SFO16:05San Francisco
17h 05m
1 stop
LCY16:10London City
£508
Find similar
ITA Airways
13 Mar
LCY16:45London City
28h 20m
1 stop
SFO14:05San Francisco
21 Mar
SFO16:05San Francisco
17h 05m
1 stop
LCY16:10London City
£509
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 9 December 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

EdinburghSan Francisco

EDI - SFO

EDISFO

Edinburgh Turnhouse

Thu 22/1

11:30-14:35

2 stops35h 05m

San Francisco

Thu 29/1

15:10-22:30

2 stops23h 20m

£440

EdinburghSan Francisco

EDI - SFO

EDISFO

Edinburgh Turnhouse

Thu 22/1

11:30-14:35

2 stops35h 05m

San Francisco

Thu 29/1

15:10-22:30

3 stops23h 20m

£445

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 17/1

06:40-14:35

1 stop15h 55m

San Francisco

Mon 26/1

16:40-16:25

2 stops15h 45m

£469

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 19/1

11:10-19:35

1 stop16h 25m

San Francisco

Mon 2/2

12:50-07:25

Nonstop10h 35m

£470

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 24/1

06:00-14:45

1 stop16h 45m

San Francisco

Sat 14/2

16:35-17:30

1 stop16h 55m

£470

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 19/1

13:45-17:00

Nonstop11h 15m

San Francisco

Sun 25/1

23:15-05:55

1 stop22h 40m

£473

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 2/3

15:25-18:45

Nonstop11h 20m

San Francisco

Tue 10/3

18:30-12:00

Nonstop10h 30m

£475

GlasgowSan Francisco

GLA - SFO

GLASFO

Glasgow Intl

Wed 21/1

13:55-00:47

2 stops18h 52m

San Francisco

Wed 28/1

20:40-22:30

1 stop17h 50m

£543

EdinburghSan Francisco

EDI - SFO

EDISFO

Edinburgh Turnhouse

Tue 13/1

11:00-11:50

1 stop32h 50m

San Francisco

Thu 26/2

15:40-21:35

1 stop21h 55m

£543

LeedsSan Francisco

LBA - SFO

LBASFO

Leeds/Bradford

Thu 9/4

06:20-23:56

2 stops25h 36m

San Francisco

Sun 19/4

21:55-09:30

2 stops27h 35m

£669

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 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 February is, on average, the cheapest month to fly to San Francisco from United Kingdom, with most prices found around £430. If you are unable to visit San Francisco during the month of February, then departing from United Kingdom during the month September is also very affordable. Most momondo users find prices during this month for around £430.

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 £586. 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 £687. 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 £483. Try not to purchase tickets at midday because they tend to be around £967. 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 £510 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 47% 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

£412

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 £412. The best return flight deal from United Kingdom to San Francisco found on momondo in the last 72 hours is £548.
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 £239Free CancellationRating
7.9
8,011 reviews
Search Delta flights
Air CanadaPriceFrom £338Free CancellationRating
7.1
10,513 reviews
Search Air Canada flights
Aer LingusPriceFrom £355Free CancellationRating
7.2
1,389 reviews
Search Aer Lingus flights
United AirlinesPriceFrom £355Free CancellationRating
7.4
9,084 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom £356Free CancellationRating
7.4
1,600 reviews
Search Scandinavian Airlines flights
SWISSPriceFrom £360Free CancellationRating
7.5
1,807 reviews
Search SWISS flights
TAP AIR PORTUGALPriceFrom £360Free CancellationRating
7.1
2,085 reviews
Search TAP AIR PORTUGAL flights
FinnairPriceFrom £376Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
Virgin AtlanticPriceFrom £378Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £379Free CancellationRating
6.7
7,566 reviews
Search British Airways flights

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Clara
Carmel-by-the-Sea
Seaside
Big Sur
Rohnert Park
Campbell
Palo Alto
Santa Cruz
South San Francisco
Capitola
Novato
Sausalito
San Bruno
Woodland
Redwood City
Aptos
Pacific Grove
Burlingame
Modesto
Sunnyvale

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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