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Cheap flights from San Francisco to the United Kingdom from $187

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 10/15. 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

TAP AIR PORTUGAL Logo
6:45 pm - 9:45 amSFO-LGW
31h 00m1 stop
TAP AIR PORTUGAL Logo
4:25 pm - 2:35 pmLGW-SFO
30h 10m1 stop
$418TAP AIR PORTUGAL
Find Deal
mar., sept. 16 - mar., sept. 23
TAP AIR PORTUGAL Logo
4:20 pm - 10:20 amSFO-LHR
34h 00m1 stop
TAP AIR PORTUGAL Logo
6:00 am - 2:45 pmLHR-SFO
16h 45m1 stop
$422TAP AIR PORTUGAL
Find Deal
lun., sept. 29 - sam., déc. 6
TAP AIR PORTUGAL Logo
4:35 pm - 10:40 pmSFO-LHR
22h 05m1 stop
TAP AIR PORTUGAL Logo
7:55 pm - 4:05 pmLHR-SFO
28h 10m1 stop
$425TAP AIR PORTUGAL
Find Deal
lun., déc. 1 - jeu., déc. 11
Virgin Atlantic Logo
4:05 pm - 10:25 amSFO-LHR
10h 20mnonstop
Virgin Atlantic Logo
8:55 pm - 11:45 amLHR-SFO
22h 50m1 stop
$491Virgin Atlantic
Find Deal
lun., sept. 8 - lun., oct. 6
British Airways Logo
7:20 pm - 1:45 pmSFO-LHR
10h 25mnonstop
British Airways Logo
3:25 pm - 7:45 pmLHR-SFO
11h 20mnonstop
$493British Airways
Find Deal
mar., oct. 7 - jeu., oct. 30
British Airways Logo
7:20 pm - 1:45 pmSFO-LHR
10h 25mnonstop
British Airways Logo
3:25 pm - 7:45 pmLHR-SFO
11h 20mnonstop
$494British Airways
Find Deal
mer., oct. 8 - jeu., oct. 30
United Airlines Logo
7:50 pm - 2:10 pmSFO-LHR
10h 20mnonstop
United Airlines Logo
8:45 am - 4:10 pmLHR-SFO
15h 25m1 stop
$497United Airlines
Find Deal
mer., oct. 8 - mar., oct. 14
United Airlines Logo
11:20 am - 9:40 amSFO-LHR
14h 20m1 stop
United Airlines Logo
8:40 am - 4:10 pmLHR-SFO
15h 30m1 stop
$501United Airlines
Find Deal
mer., sept. 3 - mer., sept. 10
Iberia Logo
8:10 pm - 10:40 pmSFO-LGW
18h 30m1 stop
Iberia Logo
9:05 pm - 6:10 pmLGW-SFO
29h 05m1 stop
$535Iberia
Find Deal
mar., sept. 16 - lun., oct. 6
Virgin Atlantic Logo
1:45 pm - 6:30 pmSFO-LCY
20h 45m1 stop
Virgin Atlantic Logo
7:00 pm - 11:45 amLCY-SFO
24h 45m1 stop
$565Virgin Atlantic
Find Deal
mar., sept. 23 - lun., oct. 6

Delta flights from San Francisco to United Kingdom

Our best Delta deals on San Francisco to United Kingdom flight tickets
Delta
Aug 18
SFO4:05 pmSan Francisco
10h 20m
LHR10:25 amLondon Heathrow
Aug 26
LHR6:15 amLondon Heathrow
14h 35m
1 stop
SFO12:50 pmSan Francisco
$508
Find similar
Delta
Aug 20
SFO4:05 pmSan Francisco
10h 20m
LHR10:25 amLondon Heathrow
Aug 26
LHR6:30 amLondon Heathrow
13h 15m
1 stop
SFO11:45 amSan Francisco
$509
Find similar
Delta
Aug 18
SFO3:45 pmSan Francisco
14h 50m
1 stop
LHR2:35 pmLondon Heathrow
Aug 28
LHR6:15 amLondon Heathrow
14h 35m
1 stop
SFO12:50 pmSan Francisco
$512
Find similar

British Airways flights from San Francisco to United Kingdom

Our best British Airways deals on San Francisco to United Kingdom flight tickets
British Airways
Oct 7
SFO7:20 pmSan Francisco
10h 25m
LHR1:45 pmLondon Heathrow
Oct 30
LHR3:25 pmLondon Heathrow
11h 20m
SFO7:45 pmSan Francisco
$493
Find similar
British Airways
Oct 8
SFO7:20 pmSan Francisco
10h 25m
LHR1:45 pmLondon Heathrow
Oct 30
LHR3:25 pmLondon Heathrow
11h 20m
SFO7:45 pmSan Francisco
$494
Find similar
British Airways
Oct 8
SFO4:30 pmSan Francisco
10h 25m
LHR10:55 amLondon Heathrow
Oct 24
LHR2:15 pmLondon Heathrow
11h 10m
SFO5:25 pmSan Francisco
$495
Find similar

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 août 12, 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 FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

mar. 9/16

6:45 pm-9:45 am

1 stop31h 00m

London Gatwick

mar. 9/23

4:25 pm-2:35 pm

1 stop30h 10m

$418

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

lun. 9/29

4:20 pm-10:20 am

1 stop34h 00m

London Heathrow

sam. 12/6

6:00 am-2:45 pm

1 stop16h 45m

$422

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

lun. 12/1

4:35 pm-10:40 pm

1 stop22h 05m

London Heathrow

jeu. 12/11

7:55 pm-4:05 pm

1 stop28h 10m

$425

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

lun. 9/8

4:05 pm-10:25 am

Nonstop10h 20m

London Heathrow

lun. 10/6

8:55 pm-11:45 am

1 stop22h 50m

$491

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mar. 10/7

7:20 pm-1:45 pm

Nonstop10h 25m

London Heathrow

jeu. 10/30

3:25 pm-7:45 pm

Nonstop11h 20m

$493

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mer. 10/8

7:20 pm-1:45 pm

Nonstop10h 25m

London Heathrow

jeu. 10/30

3:25 pm-7:45 pm

Nonstop11h 20m

$494

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mer. 10/8

7:50 pm-2:10 pm

Nonstop10h 20m

London Heathrow

mar. 10/14

8:45 am-4:10 pm

1 stop15h 25m

$497

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mer. 9/3

11:20 am-9:40 am

1 stop14h 20m

London Heathrow

mer. 9/10

8:40 am-4:10 pm

1 stop15h 30m

$501

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

mar. 9/16

8:10 pm-10:40 pm

1 stop18h 30m

London Gatwick

lun. 10/6

9:05 pm-6:10 pm

1 stop29h 05m

$535

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

mar. 9/23

1:45 pm-6:30 pm

1 stop20h 45m

London City

lun. 10/6

7:00 pm-11:45 am

1 stop24h 45m

$565

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, October 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 $646. If you aren’t able to travel to United Kingdom during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $659.

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 $808. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $944.

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 morning. momondo users have found flights departing from San Francisco to United Kingdom in the morning for as low as $847. 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 $980. 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 $767 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 $697 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 46% 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

$187

Fastest flight time

10h 20m

Direct flights

Every day

Airports in United Kingdom

10 airports
The best one-way flight to United Kingdom from San Francisco in the past 72 hours is $187. The best round-trip flight deal from San Francisco to United Kingdom found on momondo in the last 72 hours is $418.
The fastest flight from San Francisco to United Kingdom takes 10h 20m
Direct flights go from San Francisco to United Kingdom every day.
There are 10 airports near United Kingdom: London City (LCY), Birmingham (BHX), London Heathrow (LHR), London Luton (LTN), Southampton Eastleigh (SOU), Manchester (MAN), Edinburgh Turnhouse (EDI), London Stansted (STN), London Gatwick (LGW), Glasgow Intl (GLA)
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 $195Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights
Scandinavian AirlinesPriceFrom $335Free CancellationRating
7.4
1,466 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $433Free CancellationRating
7.1
1,944 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $514Free CancellationRating
6.6
7,261 reviews
Search British Airways flights
Aer LingusPriceFrom $527Free CancellationRating
7.1
1,208 reviews
Search Aer Lingus flights
American AirlinesPriceFrom $562Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $572Free CancellationRating
7.0
2,877 reviews
Search Iberia flights
FinnairPriceFrom $573Free CancellationRating
7.6
1,321 reviews
Search Finnair flights
United AirlinesPriceFrom $574Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
DeltaPriceFrom $574Free CancellationRating
8.0
7,978 reviews
Search Delta 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.

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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 $319
Flights to Manchesterfrom $362
Flights to Edinburghfrom $388
Flights to Birminghamfrom $432
Flights to Glasgowfrom $426
Flights to Belfastfrom $513
Flights to Newcastle upon Tynefrom $458
Flights to Bristolfrom $466
Flights to Invernessfrom $401
Flights to Liverpoolfrom $486
Flights to Aberdeenfrom $502
Flights to Leedsfrom $459