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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 2/22. 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 San Francisco to the United Kingdom

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
5:35 pm - 9:35 pm
SFO
-
INV
20h 00m
2 stops
British Airways Logo
3:40 pm - 3:50 pm
INV
-
SFO
32h 10m
2 stops
$430British Airways
mar., abr. 28 - mié., may. 13
British Airways Logo
6:00 am - 11:50 am
SFO
-
INV
21h 50m
2 stops
British Airways Logo
12:20 pm - 3:35 pm
INV
-
SFO
35h 15m
2 stops
$434British Airways
lun., feb. 23 - lun., mar. 2
Scandinavian Airlines Logo
4:40 pm - 6:35 pm
SFO
-
MAN
17h 55m
1 stop
Scandinavian Airlines Logo
10:10 am - 3:35 pm
MAN
-
SFO
36h 25m
1 stop
$590Scandinavian Airlines
jue., mar. 5 - jue., mar. 12
Scandinavian Airlines Logo
4:40 pm - 6:35 pm
SFO
-
MAN
17h 55m
1 stop
Scandinavian Airlines Logo
10:10 am - 2:35 pm
MAN
-
SFO
36h 25m
1 stop
$592Scandinavian Airlines
vie., feb. 6 - jue., feb. 19
TAP AIR PORTUGAL Logo
5:35 pm - 3:45 pm
SFO
-
LGW
15h 10m
1 stop
TAP AIR PORTUGAL Logo
9:15 pm - 2:35 pm
LGW
-
SFO
25h 20m
2 stops
$595TAP AIR PORTUGAL
lun., mar. 23 - lun., mar. 30
United Airlines Logo
12:50 pm - 7:25 am
SFO
-
LHR
10h 35mnonstop
United Airlines Logo
10:05 am - 1:20 pm
LHR
-
SFO
11h 15mnonstop
$596United Airlines
mié., feb. 11 - vie., feb. 20
TAP AIR PORTUGAL Logo
7:55 pm - 3:40 pm
SFO
-
LGW
35h 45m
1 stop
TAP AIR PORTUGAL Logo
4:25 pm - 4:35 pm
LGW
-
SFO
32h 10m
1 stop
$596TAP AIR PORTUGAL
jue., abr. 30 - mié., jun. 10
United Airlines Logo
1:50 pm - 7:25 am
SFO
-
LHR
10h 35mnonstop
United Airlines Logo
12:05 pm - 5:30 pm
LHR
-
SFO
36h 25m
1 stop
$601United Airlines
vie., mar. 13 - mié., mar. 18
Delta Logo
1:45 pm - 4:50 pm
SFO
-
SOU
19h 05m
1 stop
Delta Logo
5:20 pm - 11:45 am
SOU
-
SFO
26h 25m
1 stop
$786Delta
dom., abr. 12 - mié., may. 13
Delta Logo
10:31 am - 8:35 am
SFO
-
SOU
38h 04m
2 stops
Delta Logo
9:05 am - 11:45 am
SOU
-
SFO
34h 40m
1 stop
$791Delta
dom., abr. 12 - lun., may. 11

Lufthansa flights from San Francisco to United Kingdom

Our best Lufthansa deals on San Francisco to United Kingdom flight tickets
Lufthansa
Jan 22
SFO9:25 pmSan Francisco
15h 35m
1 stop
LHR9:00 pmLondon Heathrow
Jan 29
LHR11:10 amLondon Heathrow
15h 45m
1 stop
SFO6:55 pmSan Francisco
$622
Lufthansa
Mar 13
SFO10:40 pmSan Francisco
15h 20m
1 stop
LHR9:00 pmLondon Heathrow
Mar 30
LHR7:10 pmLondon Heathrow
25h 30m
2 stops
SFO12:40 pmSan Francisco
$623
Lufthansa
Jan 24
SFO10:59 pmSan Francisco
32h 51m
2 stops
LHR3:50 pmLondon Heathrow
Feb 6
LHR11:10 amLondon Heathrow
16h 25m
1 stop
SFO7:35 pmSan Francisco
$639

Austrian Airlines flights from San Francisco to United Kingdom

Our best Austrian Airlines deals on San Francisco to United Kingdom flight tickets
Austrian Airlines
Mar 15
SFO2:30 pmSan Francisco
33h 00m
1 stop
LHR6:30 amLondon Heathrow
Mar 23
LHR7:25 pmLondon Heathrow
25h 15m
2 stops
SFO1:40 pmSan Francisco
$624
Austrian Airlines
Mar 13
SFO2:30 pmSan Francisco
57h 40m
2 stops
LHR7:10 amLondon Heathrow
Mar 23
LHR7:25 pmLondon Heathrow
25h 15m
2 stops
SFO1:40 pmSan Francisco
$627

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 enero 21, 2026.
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 FranciscoInverness

SFO - INV

SFOINV

San Francisco

mar. 4/28

5:35 pm-9:35 pm

2 stops20h 00m

Inverness

mié. 5/13

3:40 pm-3:50 pm

2 stops32h 10m

$430

San FranciscoInverness

SFO - INV

SFOINV

San Francisco

lun. 2/23

6:00 am-11:50 am

2 stops21h 50m

Inverness

lun. 3/2

12:20 pm-3:35 pm

2 stops35h 15m

$434

San FranciscoManchester

SFO - MAN

SFOMAN

San Francisco

jue. 3/5

4:40 pm-6:35 pm

1 stop17h 55m

Manchester

jue. 3/12

10:10 am-3:35 pm

1 stop36h 25m

$590

San FranciscoManchester

SFO - MAN

SFOMAN

San Francisco

vie. 2/6

4:40 pm-6:35 pm

1 stop17h 55m

Manchester

jue. 2/19

10:10 am-2:35 pm

1 stop36h 25m

$592

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

lun. 3/23

5:35 pm-3:45 pm

1 stop15h 10m

London Gatwick

lun. 3/30

9:15 pm-2:35 pm

2 stops25h 20m

$595

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

mié. 2/11

12:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

vie. 2/20

10:05 am-1:20 pm

Nonstop11h 15m

$596

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

jue. 4/30

7:55 pm-3:40 pm

1 stop35h 45m

London Gatwick

mié. 6/10

4:25 pm-4:35 pm

1 stop32h 10m

$596

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

vie. 3/13

1:50 pm-7:25 am

Nonstop10h 35m

London Heathrow

mié. 3/18

12:05 pm-5:30 pm

1 stop36h 25m

$601

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

dom. 4/12

1:45 pm-4:50 pm

1 stop19h 05m

Southampton Eastleigh

mié. 5/13

5:20 pm-11:45 am

1 stop26h 25m

$786

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

dom. 4/12

10:31 am-8:35 am

2 stops38h 04m

Southampton Eastleigh

lun. 5/11

9:05 am-11:45 am

1 stop34h 40m

$791

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, September 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 $657. If you aren’t able to travel to United Kingdom during the month of September, then flying in January 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 $803. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $946.

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 $852. 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 $972. 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 $762 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 $715 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 48% 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

$375

Fastest flight time

2h 34m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
The best one-way flight to United Kingdom from San Francisco in the past 72 hours is $375. The best round-trip flight deal from San Francisco to United Kingdom found on momondo in the last 72 hours is $689.
The fastest flight from San Francisco to United Kingdom takes 2h 34m
Direct flights go from San Francisco to United Kingdom every day.
There are 1,286 airports in United Kingdom. From San Francisco there are direct flights to 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 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 $151Free CancellationRating
7.2
2,890 reviews
Search JetBlue flights
Scandinavian AirlinesPriceFrom $334Free CancellationRating
7.3
1,660 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom $339Free CancellationRating
7.1
2,124 reviews
Search TAP AIR PORTUGAL flights
Alaska AirlinesPriceFrom $494Free CancellationRating
8.0
11,768 reviews
Search Alaska Airlines flights
SWISSPriceFrom $513Free CancellationRating
7.5
1,855 reviews
Search SWISS flights
British AirwaysPriceFrom $514Free CancellationRating
6.7
7,691 reviews
Search British Airways flights
DeltaPriceFrom $521Free CancellationRating
7.9
8,086 reviews
Search Delta flights
Aer LingusPriceFrom $527Free CancellationRating
7.2
1,439 reviews
Search Aer Lingus flights
FinnairPriceFrom $561Free CancellationRating
7.6
1,353 reviews
Search Finnair flights
Virgin AtlanticPriceFrom $567Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic 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 $342
Flights to Manchesterfrom $387
Flights to Edinburghfrom $395
Flights to Birminghamfrom $395
Flights to Glasgowfrom $390
Flights to Newcastle upon Tynefrom $499
Flights to Belfastfrom $506
Flights to Bristolfrom $452
Flights to Invernessfrom $372
Flights to Liverpoolfrom $430
Flights to Aberdeenfrom $478
Flights to Leedsfrom $422