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Cheap flights from the United Kingdom to San Francisco from $372

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 5/18. 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 round-trip flight deals from the United Kingdom to San Francisco

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:30 am - 2:35 pm
EDI
-
SFO
35h 05m2 stops
Multiple Airlines Logo
3:10 pm - 10:30 pm
SFO
-
EDI
23h 20m2 stops
$586Multiple Airlines
Thu, Jan 22 - Thu, Jan 29
Multiple Airlines Logo
11:30 am - 2:35 pm
EDI
-
SFO
35h 05m2 stops
Multiple Airlines Logo
3:10 pm - 10:30 pm
SFO
-
EDI
23h 20m3 stops
$593Multiple Airlines
Thu, Jan 22 - Thu, Jan 29
Air Canada Logo
9:00 am - 9:22 pm
LHR
-
SFO
20h 22m2 stops
Air Canada Logo
1:20 pm - 11:50 am
SFO
-
LHR
14h 30m1 stop
$625Air Canada
Wed, Feb 4 - Wed, Feb 18
United Airlines Logo
7:40 am - 7:35 pm
LHR
-
SFO
19h 55m1 stop
United Airlines Logo
5:25 pm - 12:00 pm
SFO
-
LHR
10h 35mnonstop
$626United Airlines
Mon, Jan 19 - Thu, Jan 29
Lufthansa Logo
1:35 pm - 11:00 pm
LHR
-
SFO
17h 25m1 stop
Lufthansa Logo
12:50 pm - 7:25 am
SFO
-
LHR
10h 35mnonstop
$627Lufthansa
Mon, Jan 12 - Mon, Jan 26
SWISS Logo
6:40 pm - 4:30 pm
LGW
-
SFO
29h 50m1 stop
SWISS Logo
7:25 pm - 5:50 pm
SFO
-
LGW
14h 25m1 stop
$627SWISS
Mon, Jan 12 - Mon, Jan 26
Multiple Airlines Logo
8:05 pm - 4:30 pm
LHR
-
SFO
28h 25m1 stop
Multiple Airlines Logo
12:50 pm - 7:25 am
SFO
-
LHR
10h 35mnonstop
$628Multiple Airlines
Mon, Jan 12 - Mon, Jan 26
British Airways Logo
3:25 pm - 7:45 pm
LHR
-
SFO
11h 20mnonstop
British Airways Logo
6:30 pm - 12:00 pm
SFO
-
LHR
10h 30mnonstop
$631British Airways
Wed, Mar 18 - Mon, Mar 23
British Airways Logo
3:25 pm - 6:45 pm
LHR
-
SFO
11h 20mnonstop
British Airways Logo
6:30 pm - 12:00 pm
SFO
-
LHR
10h 30mnonstop
$633British Airways
Mon, Mar 2 - Tue, Mar 10
Delta Logo
10:05 am - 7:25 pm
LBA
-
SFO
17h 20m2 stops
Delta Logo
10:00 am - 4:55 pm
SFO
-
LBA
22h 55m2 stops
$851Delta
Tue, May 5 - Tue, May 26

British Airways flights from United Kingdom to San Francisco

Our best British Airways deals on United Kingdom to San Francisco flight tickets
British Airways
Mar 2
LHR3:25 pmLondon Heathrow
11h 20m
SFO6:45 pmSan Francisco
Mar 10
SFO6:30 pmSan Francisco
10h 30m
LHR12:00 pmLondon Heathrow
$633
Find similar
British Airways
Apr 27
LHR10:45 amLondon Heathrow
11h 05m
SFO1:50 pmSan Francisco
May 20
SFO4:35 pmSan Francisco
10h 25m
LHR11:00 amLondon Heathrow
$649
Find similar
British Airways
Jan 30
LHR3:25 pmLondon Heathrow
11h 20m
SFO6:45 pmSan Francisco
Feb 5
SFO2:36 pmSan Francisco
13h 39m
1 stop
LHR12:15 pmLondon Heathrow
$653
Find similar

Aer Lingus flights from United Kingdom to San Francisco

Our best Aer Lingus deals on United Kingdom to San Francisco flight tickets
Aer Lingus
Mar 9
LHR9:50 amLondon Heathrow
13h 45m
1 stop
SFO4:35 pmSan Francisco
Mar 13
SFO6:20 pmSan Francisco
14h 15m
1 stop
LHR3:35 pmLondon Heathrow
$639
Find similar
Aer Lingus
Apr 7
LHR8:50 amLondon Heathrow
14h 55m
1 stop
SFO3:45 pmSan Francisco
Apr 14
SFO5:45 pmSan Francisco
13h 10m
1 stop
LHR2:55 pmLondon Heathrow
$671
Find similar
Aer Lingus
Mar 9
MAN9:50 amManchester
13h 45m
1 stop
SFO4:35 pmSan Francisco
Mar 18
SFO6:20 pmSan Francisco
12h 05m
1 stop
MAN1:25 pmManchester
$731
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated December 8, 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 1/22

11:30 am-2:35 pm

2 stops35h 05m

San Francisco

Thu 1/29

3:10 pm-10:30 pm

2 stops23h 20m

$586

EdinburghSan Francisco

EDI - SFO

EDISFO

Edinburgh Turnhouse

Thu 1/22

11:30 am-2:35 pm

2 stops35h 05m

San Francisco

Thu 1/29

3:10 pm-10:30 pm

3 stops23h 20m

$593

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 2/4

9:00 am-9:22 pm

2 stops20h 22m

San Francisco

Wed 2/18

1:20 pm-11:50 am

1 stop14h 30m

$625

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 1/19

7:40 am-7:35 pm

1 stop19h 55m

San Francisco

Thu 1/29

5:25 pm-12:00 pm

Nonstop10h 35m

$626

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 1/12

1:35 pm-11:00 pm

1 stop17h 25m

San Francisco

Mon 1/26

12:50 pm-7:25 am

Nonstop10h 35m

$627

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 1/12

6:40 pm-4:30 pm

1 stop29h 50m

San Francisco

Mon 1/26

7:25 pm-5:50 pm

1 stop14h 25m

$627

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 1/12

8:05 pm-4:30 pm

1 stop28h 25m

San Francisco

Mon 1/26

12:50 pm-7:25 am

Nonstop10h 35m

$628

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 3/18

3:25 pm-7:45 pm

Nonstop11h 20m

San Francisco

Mon 3/23

6:30 pm-12:00 pm

Nonstop10h 30m

$631

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 3/2

3:25 pm-6:45 pm

Nonstop11h 20m

San Francisco

Tue 3/10

6:30 pm-12:00 pm

Nonstop10h 30m

$633

LeedsSan Francisco

LBA - SFO

LBASFO

Leeds/Bradford

Tue 5/5

10:05 am-7:25 pm

2 stops17h 20m

San Francisco

Tue 5/26

10:00 am-4:55 pm

2 stops22h 55m

$851

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 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?

If you aren’t able to travel to San Francisco during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $573.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from United Kingdom to San Francisco is on a Thursday when prices can be found for as low as $678. The most expensive day to fly to San Francisco is Friday, with ticket prices averaging around $747.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest United Kingdom to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $682. Flights in the afternoon are often more expensive with an average ticket price of $737.

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 $679 when searching weeks out. 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 $640 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 37% 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

$524

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 $524. The best round-trip flight deal from United Kingdom to San Francisco found on momondo in the last 72 hours is $746.
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 were last updated today.

  • 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 required travel and health documents for your San Francisco Airport 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 San Francisco Airport. 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 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
Aer LingusPriceFrom $492Free CancellationRating
7.2
1,389 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $520Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $520Free CancellationRating
7.4
1,602 reviews
Search Scandinavian Airlines flights
Brussels AirlinesPriceFrom $530Free CancellationRating
7.2
375 reviews
Search Brussels Airlines flights
United AirlinesPriceFrom $534Free CancellationRating
7.4
9,089 reviews
Search United Airlines flights
LufthansaPriceFrom $545Free CancellationRating
6.8
7,618 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom $550Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $555Free CancellationRating
7.9
8,011 reviews
Search Delta flights
Austrian AirlinesPriceFrom $567Free CancellationRating
7.6
879 reviews
Search Austrian Airlines flights
American AirlinesPriceFrom $589Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Hayward
Big Sur
Calistoga
Santa Clara
Walnut Creek
Berkeley
Daly City
Fremont
Half Moon Bay
Vallejo
Salinas
Livermore
Turlock
Sunnyvale

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United Kingdom to San Francisco for you.

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

Yes. momondo allows you to filter the results for United Kingdom to San Francisco flights to just show those with flexible booking policies.

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

Once you have performed a search for United Kingdom to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from United Kingdom and alert you when they change.

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