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Cheap flights from London to San Francisco Bay Area from £327

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Francisco Bay Area departing on 15/4. 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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Cheap return flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
10:35 - 16:50LGW-SFO
38h 15m1 stop
TAP AIR PORTUGAL Logo
19:55 - 09:45SFO-LGW
29h 50m1 stop
£395TAP AIR PORTUGAL
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Thu, 30 Apr - Thu, 7 May
TAP AIR PORTUGAL Logo
06:00 - 14:35LHR-SFO
16h 35m1 stop
TAP AIR PORTUGAL Logo
16:35 - 17:30SFO-LHR
16h 55m1 stop
£401TAP AIR PORTUGAL
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Mon, 2 Mar - Sat, 7 Mar
Lufthansa Logo
07:40 - 14:50LHR-SFO
15h 10m1 stop
Lufthansa Logo
16:15 - 13:30SFO-LHR
13h 15m1 stop
£439Lufthansa
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Tue, 17 Feb - Thu, 26 Feb
United Airlines Logo
06:35 - 20:56LHR-SJC
22h 21m2 stops
United Airlines Logo
08:40 - 07:55SJC-LHR
15h 15m2 stops
£478United Airlines
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Wed, 21 Jan - Mon, 2 Feb
United Airlines Logo
07:30 - 20:56LHR-SJC
21h 26m2 stops
United Airlines Logo
08:40 - 07:55SJC-LHR
15h 15m2 stops
£479United Airlines
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Wed, 14 Jan - Mon, 26 Jan
Virgin Atlantic Logo
08:55 - 22:55LHR-SJC
22h 00m1 stop
Virgin Atlantic Logo
06:20 - 07:05SJC-LHR
16h 45m1 stop
£480Virgin Atlantic
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Mon, 15 Dec - Mon, 29 Dec
British Airways Logo
07:35 - 21:29LHR-SJC
21h 54m2 stops
British Airways Logo
11:51 - 11:40SJC-LHR
15h 49m1 stop
£483British Airways
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Wed, 21 Jan - Mon, 2 Feb
Virgin Atlantic Logo
14:45 - 22:12LHR-SJC
15h 27m1 stop
Virgin Atlantic Logo
06:20 - 08:45SJC-LHR
42h 25m2 stops
£486Virgin Atlantic
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Mon, 15 Dec - Mon, 29 Dec
Lufthansa Logo
09:50 - 15:55LCY-SFO
14h 05m1 stop
Lufthansa Logo
18:50 - 16:40SFO-LCY
13h 50m1 stop
£492Lufthansa
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Wed, 3 Dec - Tue, 9 Dec
British Airways Logo
14:25 - 22:49LHR-SJC
16h 24m1 stop
British Airways Logo
12:50 - 13:15SJC-LHR
16h 25m1 stop
£507British Airways
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Fri, 16 Jan - Tue, 27 Jan

Finnair flights from London to San Francisco Bay Area

Our best Finnair deals on London to San Francisco Bay Area flight tickets
Finnair
13 Jan
LGW11:20London Gatwick
34h 26m
2 stops
SFO13:46San Francisco
19 Jan
SFO00:17San Francisco
23h 13m
2 stops
LGW07:30London Gatwick
£461
Find similar
Finnair
3 Dec
LGW12:30London Gatwick
40h 24m
2 stops
SFO20:54San Francisco
10 Dec
SFO17:00San Francisco
30h 30m
2 stops
LGW07:30London Gatwick
£470
Find similar
Finnair
10 Nov
LHR15:35London Heathrow
51h 50m
2 stops
SFO11:25San Francisco
28 Nov
SFO15:30San Francisco
14h 30m
1 stop
LHR14:00London Heathrow
£519
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ITA Airways flights from London to San Francisco Bay Area

Our best ITA Airways deals on London to San Francisco Bay Area flight tickets
ITA Airways
5 Dec
LCY16:45London City
28h 20m
1 stop
SFO13:05San Francisco
11 Dec
SFO15:05San Francisco
17h 05m
1 stop
LCY16:10London City
£488
Find similar
ITA Airways
3 Dec
LCY16:45London City
28h 20m
1 stop
SFO13:05San Francisco
11 Dec
SFO15:05San Francisco
17h 05m
1 stop
LCY16:10London City
£496
Find similar
ITA Airways
23 Nov
LCY16:45London City
28h 20m
1 stop
SFO13:05San Francisco
29 Nov
SFO15:05San Francisco
35h 50m
1 stop
LCY10:55London City
£496
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momondo Fare Finder

 
Customise your flight search to find flights from London 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 5 November 2025.
Use the filters below to find and compare flights from London to San Francisco Bay Area that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Thu 30/4

10:35-16:50

1 stop38h 15m

San Francisco

Thu 7/5

19:55-09:45

1 stop29h 50m

£395

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 2/3

06:00-14:35

1 stop16h 35m

San Francisco

Sat 7/3

16:35-17:30

1 stop16h 55m

£401

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 17/2

07:40-14:50

1 stop15h 10m

San Francisco

Thu 26/2

16:15-13:30

1 stop13h 15m

£439

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Wed 21/1

06:35-20:56

2 stops22h 21m

San Jose

Mon 2/2

08:40-07:55

2 stops15h 15m

£478

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Wed 14/1

07:30-20:56

2 stops21h 26m

San Jose

Mon 26/1

08:40-07:55

2 stops15h 15m

£479

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Mon 15/12

08:55-22:55

1 stop22h 00m

San Jose

Mon 29/12

06:20-07:05

1 stop16h 45m

£480

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Wed 21/1

07:35-21:29

2 stops21h 54m

San Jose

Mon 2/2

11:51-11:40

1 stop15h 49m

£483

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Mon 15/12

14:45-22:12

1 stop15h 27m

San Jose

Mon 29/12

06:20-08:45

2 stops42h 25m

£486

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Wed 3/12

09:50-15:55

1 stop14h 05m

San Francisco

Tue 9/12

18:50-16:40

1 stop13h 50m

£492

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Fri 16/1

14:25-22:49

1 stop16h 24m

San Jose

Tue 27/1

12:50-13:15

1 stop16h 25m

£507

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 London 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 London is in September. Flight prices, which tend to average around £440, 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 September, then February is your next best option. Flight prices from London to San Francisco Bay Area during February average around £443.

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 £597. 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 £694.

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 evening. momondo users have found flights departing from London to San Francisco Bay Area in the evening for as low as £491. 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 £987 per ticket.

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

Fly from London Heathrow to San Francisco for the best London - 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 London when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco Bay Area for around £519 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 London for as low as £480 on momondo.

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

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

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

Cheap London to San Francisco Bay Area flight deals and tips

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

Fastest flight time

11h 00m

Direct flights

Every day

Airports in San Francisco Bay Area

1 airport
The fastest flight from London to San Francisco Bay Area takes 11h 00m
Direct flights go from London to San Francisco Bay Area every day.
There is 1 airport near San Francisco Bay Area: San Francisco (SFO)
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  • When did momondo last update prices for flights from London to San Francisco Bay Area?

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

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

  • How old do you have to be to fly from London 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 London to San Francisco Bay Area.

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

    The required travel and health documents for your San Francisco Bay Area 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 Bay Area. 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 London to San Francisco Bay Area?

Best airlines flying from London to San Francisco Bay Area

Compare and see reviews for airlines that fly from London to San Francisco Bay Area with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom £244Free CancellationRating
7.9
8,002 reviews
Search Delta flights
Air CanadaPriceFrom £344Free CancellationRating
7.1
10,400 reviews
Search Air Canada flights
United AirlinesPriceFrom £347Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights
Aer LingusPriceFrom £360Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom £360Free CancellationRating
7.1
2,046 reviews
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesPriceFrom £363Free CancellationRating
7.4
1,558 reviews
Search Scandinavian Airlines flights
SWISSPriceFrom £367Free CancellationRating
7.5
1,777 reviews
Search SWISS flights
Brussels AirlinesPriceFrom £374Free CancellationRating
7.2
369 reviews
Search Brussels Airlines flights
FinnairPriceFrom £380Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
KLMPriceFrom £380Free CancellationRating
7.7
1,405 reviews
Search KLM flights

Why use momondo?

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

Finding the right flight to San Francisco Bay Area from London 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 Bay Area quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to San Francisco Bay Area from London with this policy.

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

momondo provides multiple filters to help you find the best flight to San Francisco Bay Area from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for London to San Francisco Bay Area flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your San Francisco Bay Area 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.
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