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Cheap flights from the United Kingdom to San Francisco Bay Area from £287

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 Bay Area departing on 22/4. 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 Bay Area

Recent return flight deals from the United Kingdom to San Francisco Bay Area

Enter your travel dates to find the best prices.
United Airlines Logo
07:25 - 14:30
LHR
-
SFO
15h 05m
1 stop
United Airlines Logo
12:50 - 07:25
SFO
-
LHR
10h 35mdirect
£369United Airlines
Mon, 13 Apr - Sun, 19 Apr
SWISS Logo
09:20 - 16:15
LGW
-
SFO
14h 55m
1 stop
SWISS Logo
19:35 - 17:50
SFO
-
LGW
14h 15m
1 stop
£369SWISS
Wed, 22 Apr - Mon, 11 May
United Airlines Logo
11:10 - 20:35
LHR
-
SFO
16h 25m
1 stop
United Airlines Logo
19:30 - 14:10
SFO
-
LHR
10h 40mdirect
£370United Airlines
Mon, 23 Mar - Wed, 15 Apr
United Airlines Logo
07:25 - 14:30
LHR
-
SFO
15h 05m
1 stop
United Airlines Logo
14:32 - 12:20
SFO
-
LHR
13h 48m
1 stop
£371United Airlines
Sat, 18 Apr - Sat, 25 Apr
British Airways Logo
07:50 - 17:35
LHR
-
SFO
16h 45m
1 stop
British Airways Logo
16:59 - 15:05
SFO
-
LHR
14h 06m
1 stop
£373British Airways
Sun, 15 Mar - Tue, 31 Mar
Austrian Airlines Logo
10:05 - 14:20
LHR
-
SFO
11h 15mdirect
Austrian Airlines Logo
18:25 - 12:00
SFO
-
LHR
10h 35mdirect
£374Austrian Airlines
Sun, 8 Mar - Sun, 15 Mar
Lufthansa Logo
18:15 - 13:40
LCY
-
SFO
26h 25m
1 stop
Lufthansa Logo
19:50 - 17:40
SFO
-
LCY
14h 50m
1 stop
£386Lufthansa
Tue, 10 Mar - Sun, 15 Mar
Virgin Atlantic Logo
11:45 - 22:36
LHR
-
SJC
18h 51m
2 stops
Virgin Atlantic Logo
09:53 - 17:35
SJC
-
LHR
23h 42m
1 stop
£398Virgin Atlantic
Thu, 28 May - Tue, 2 Jun
Virgin Atlantic Logo
10:55 - 18:20
LHR
-
SJC
15h 25m
1 stop
Virgin Atlantic Logo
09:53 - 10:15
SJC
-
LHR
16h 22m
1 stop
£400Virgin Atlantic
Thu, 28 May - Tue, 2 Jun
British Airways Logo
14:25 - 21:59
LHR
-
SJC
15h 34m
1 stop
British Airways Logo
06:00 - 08:05
SJC
-
LHR
18h 05m
1 stop
£408British Airways
Tue, 21 Apr - Thu, 30 Apr

SWISS flights from United Kingdom to San Francisco Bay Area

Our best SWISS deals on United Kingdom to San Francisco Bay Area flight tickets
SWISS
22 Apr
LGW09:20London Gatwick
14h 55m
1 stop
SFO16:15San Francisco
11 May
SFO19:35San Francisco
14h 15m
1 stop
LGW17:50London Gatwick
£369
SWISS
16 Apr
LGW09:25London Gatwick
14h 50m
1 stop
SFO16:15San Francisco
20 Apr
SFO19:35San Francisco
14h 15m
1 stop
LGW17:50London Gatwick
£371
SWISS
1 May
LGW09:25London Gatwick
14h 50m
1 stop
SFO16:15San Francisco
6 May
SFO19:35San Francisco
14h 15m
1 stop
LGW17:50London Gatwick
£372

Air Canada flights from United Kingdom to San Francisco Bay Area

Our best Air Canada deals on United Kingdom to San Francisco Bay Area flight tickets
Air Canada
14 Mar
LHR11:10London Heathrow
17h 29m
1 stop
SFO21:39San Francisco
26 Mar
SFO08:30San Francisco
15h 00m
1 stop
LHR06:30London Heathrow
£389
Air Canada
16 Mar
LHR13:00London Heathrow
15h 39m
1 stop
SFO21:39San Francisco
30 Mar
SFO16:25San Francisco
12h 55m
1 stop
LHR13:20London Heathrow
£389
Air Canada
12 Mar
LHR13:00London Heathrow
15h 39m
1 stop
SFO21:39San Francisco
23 Mar
SFO23:59San Francisco
24h 11m
2 stops
LHR07:10London Heathrow
£390

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom to San Francisco Bay Area 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 22 February 2026.
Use the filters below to find and compare flights from the United Kingdom to San Francisco Bay Area that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 13/4

07:25-14:30

1 stop15h 05m

San Francisco

Sun 19/4

12:50-07:25

Nonstop10h 35m

£369

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 22/4

09:20-16:15

1 stop14h 55m

San Francisco

Mon 11/5

19:35-17:50

1 stop14h 15m

£369

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 23/3

11:10-20:35

1 stop16h 25m

San Francisco

Wed 15/4

19:30-14:10

Nonstop10h 40m

£370

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 18/4

07:25-14:30

1 stop15h 05m

San Francisco

Sat 25/4

14:32-12:20

1 stop13h 48m

£371

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 15/3

07:50-17:35

1 stop16h 45m

San Francisco

Tue 31/3

16:59-15:05

1 stop14h 06m

£373

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 8/3

10:05-14:20

Nonstop11h 15m

San Francisco

Sun 15/3

18:25-12:00

Nonstop10h 35m

£374

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Tue 10/3

18:15-13:40

1 stop26h 25m

San Francisco

Sun 15/3

19:50-17:40

1 stop14h 50m

£386

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Thu 28/5

11:45-22:36

2 stops18h 51m

San Jose

Tue 2/6

09:53-17:35

1 stop23h 42m

£398

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Thu 28/5

10:55-18:20

1 stop15h 25m

San Jose

Tue 2/6

09:53-10:15

1 stop16h 22m

£400

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Tue 21/4

14:25-21:59

1 stop15h 34m

San Jose

Thu 30/4

06:00-08:05

1 stop18h 05m

£408

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 Bay Area from

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

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 Bay Area?

The cheapest month to fly to San Francisco Bay Area from United Kingdom is in February. Flight prices, which tend to average around £418, are often lower during this time because this is during the off-season. If you’re not able to fly to San Francisco Bay Area in February, then September is your next best option. Flight prices from United Kingdom to San Francisco Bay Area during September average around £426.

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

Our data shows that Thursday is the least expensive day to fly to San Francisco Bay Area. Tickets to fly out on this day can be as low as £558. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Francisco Bay Area on Sunday is £647.

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

According to our data, the cheapest time of day to fly to San Francisco Bay Area is in the morning. momondo users have found flights departing from United Kingdom to San Francisco Bay Area in the morning for as low as £556. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At midday is when there is more demand to fly to San Francisco Bay Area, so prices are often more expensive at around £781 per ticket.

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

Fly from London Heathrow to San Francisco for the best United Kingdom - San Francisco Bay Area flight prices

How far in advance should I book a flight to San Francisco Bay Area?

You are more likely to see cheaper flights to San Francisco Bay Area from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco Bay Area for around £505 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 Bay Area from United Kingdom for as low as £474 on momondo.

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

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

No. A direct flight is the cheapest option for a flight between United Kingdom to San Francisco Bay Area.

Cheap United Kingdom to San Francisco Bay Area flight deals and tips

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

Fastest flight time

10h 55m

Direct flights

Every day

Airports in San Francisco Bay Area

6 airports
The fastest flight from United Kingdom to San Francisco Bay Area takes 10h 55m
Direct flights go from United Kingdom to San Francisco Bay Area every day.
There are 6 airports in San Francisco Bay Area. From United Kingdom there are direct flights to San Francisco (SFO).
Search flight deals

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

    Prices for flights from United Kingdom to San Francisco Bay Area were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to San Francisco Bay Area.

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

    The travel and health documents you'll need for your trip to San Francisco Bay Area may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Bay Area. It is always advisable to seek 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 Bay Area?

Best airlines flying from United Kingdom to San Francisco Bay Area

Compare and see reviews for airlines that fly from United Kingdom to San Francisco Bay Area with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom £237Free CancellationRating
7.9
8,238 reviews
Search Delta flights
Air CanadaPriceFrom £334Free CancellationRating
7.1
10,740 reviews
Search Air Canada flights
United AirlinesPriceFrom £336Free CancellationRating
7.4
9,339 reviews
Search United Airlines flights
SWISSPriceFrom £350Free CancellationRating
7.6
1,880 reviews
Search SWISS flights
Aer LingusPriceFrom £351Free CancellationRating
7.2
1,460 reviews
Search Aer Lingus flights
Scandinavian AirlinesPriceFrom £356Free CancellationRating
7.3
1,696 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom £358Free CancellationRating
7.1
2,146 reviews
Search TAP AIR PORTUGAL flights
LufthansaPriceFrom £366Free CancellationRating
6.8
7,803 reviews
Search Lufthansa flights
Brussels AirlinesPriceFrom £370Free CancellationRating
7.2
387 reviews
Search Brussels Airlines flights
FinnairPriceFrom £371Free CancellationRating
7.6
1,365 reviews
Search Finnair flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United Kingdom to San Francisco Bay Area. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search for United Kingdom to San Francisco Bay Area 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 Bay Area right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Francisco Bay Area 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.

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