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Cheap flights from London to San Francisco from ₹ 48,694

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Francisco departing on 30/8. 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

United Airlines Logo
08:45 - 16:10LHR-SFO
15h 25m1 stop
United Airlines Logo
19:55 - 14:10SFO-LHR
10h 15mdirect
₹ 48,694United Airlines
Find Deal
Sat, 30 Aug - Mon, 15 Sep
United Airlines Logo
08:40 - 16:10LHR-SFO
15h 30m1 stop
United Airlines Logo
13:05 - 07:25SFO-LHR
10h 20mdirect
₹ 48,781United Airlines
Find Deal
Thu, 25 Sep - Wed, 1 Oct
SWISS Logo
18:40 - 16:30LGW-SFO
29h 50m1 stop
SWISS Logo
19:25 - 17:50SFO-LGW
14h 25m1 stop
₹ 48,956SWISS
Find Deal
Sat, 10 Jan - Fri, 16 Jan
Lufthansa Logo
09:30 - 15:55LHR-SFO
14h 25m1 stop
Lufthansa Logo
19:55 - 14:10SFO-LHR
10h 15mdirect
₹ 49,217Lufthansa
Find Deal
Sat, 30 Aug - Mon, 15 Sep
Lufthansa Logo
06:30 - 12:40LHR-SFO
14h 10m1 stop
Lufthansa Logo
13:05 - 07:25SFO-LHR
10h 20mdirect
₹ 49,304Lufthansa
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Thu, 11 Sep - Sun, 14 Sep
Scandinavian Airlines Logo
06:40 - 16:30LHR-SFO
17h 50m1 stop
Scandinavian Airlines Logo
19:40 - 08:55SFO-LHR
29h 15m2 stops
₹ 49,391Scandinavian Airlines
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Fri, 26 Sep - Sat, 11 Oct
TAP AIR PORTUGAL Logo
09:35 - 16:05LGW-SFO
62h 30m2 stops
TAP AIR PORTUGAL Logo
16:35 - 15:45SFO-LGW
15h 10m1 stop
₹ 49,653TAP AIR PORTUGAL
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Wed, 28 Jan - Mon, 9 Feb
TAP AIR PORTUGAL Logo
09:35 - 16:05LGW-SFO
62h 30m2 stops
TAP AIR PORTUGAL Logo
16:35 - 15:45SFO-LGW
15h 10m1 stop
₹ 49,740TAP AIR PORTUGAL
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Wed, 28 Jan - Mon, 9 Feb
Scandinavian Airlines Logo
06:40 - 16:30LHR-SFO
17h 50m1 stop
Scandinavian Airlines Logo
19:40 - 21:40SFO-LHR
18h 00m1 stop
₹ 49,914Scandinavian Airlines
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Fri, 26 Sep - Sun, 12 Oct
SWISS Logo
18:40 - 16:30LGW-SFO
29h 50m1 stop
SWISS Logo
19:25 - 20:35SFO-LGW
17h 10m2 stops
₹ 52,004SWISS
Find Deal
Sat, 10 Jan - Fri, 16 Jan

United Airlines flights from London to San Francisco

Our best United Airlines deals on London to San Francisco flight tickets
United Airlines
30 Aug
LHR08:45London Heathrow
15h 25m
1 stop
SFO16:10San Francisco
15 Sept
SFO19:55San Francisco
10h 15m
LHR14:10London Heathrow
₹ 48,694
Find similar
United Airlines
25 Sept
LHR08:40London Heathrow
15h 30m
1 stop
SFO16:10San Francisco
1 Oct
SFO13:05San Francisco
10h 20m
LHR07:25London Heathrow
₹ 48,781
Find similar
United Airlines
6 Sept
LHR07:25London Heathrow
15h 05m
1 stop
SFO14:30San Francisco
17 Sept
SFO05:00San Francisco
22h 35m
1 stop
LHR11:35London Heathrow
₹ 48,956
Find similar

Scandinavian Airlines flights from London to San Francisco

Our best Scandinavian Airlines deals on London to San Francisco flight tickets
Scandinavian Airlines
26 Sept
LHR06:40London Heathrow
17h 50m
1 stop
SFO16:30San Francisco
11 Oct
SFO19:40San Francisco
29h 15m
2 stops
LHR08:55London Heathrow
₹ 49,391
Find similar
Scandinavian Airlines
26 Sept
LHR06:40London Heathrow
17h 50m
1 stop
SFO16:30San Francisco
12 Oct
SFO19:40San Francisco
18h 00m
1 stop
LHR21:40London Heathrow
₹ 49,914
Find similar
Scandinavian Airlines
13 Feb
LHR06:40London Heathrow
15h 55m
1 stop
SFO14:35San Francisco
27 Feb
SFO16:40San Francisco
32h 55m
2 stops
LHR09:35London Heathrow
₹ 50,872
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London 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 59,053 searches. Data last updated 20 August 2025.
Use the filters below to find and compare flights from London to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 30/8

08:45-16:10

1 stop15h 25m

San Francisco

Mon 15/9

19:55-14:10

Nonstop10h 15m

₹ 48,694

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 25/9

08:40-16:10

1 stop15h 30m

San Francisco

Wed 1/10

13:05-07:25

Nonstop10h 20m

₹ 48,781

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sat 10/1

18:40-16:30

1 stop29h 50m

San Francisco

Fri 16/1

19:25-17:50

1 stop14h 25m

₹ 48,956

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 30/8

09:30-15:55

1 stop14h 25m

San Francisco

Mon 15/9

19:55-14:10

Nonstop10h 15m

₹ 49,217

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 11/9

06:30-12:40

1 stop14h 10m

San Francisco

Sun 14/9

13:05-07:25

Nonstop10h 20m

₹ 49,304

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 26/9

06:40-16:30

1 stop17h 50m

San Francisco

Sat 11/10

19:40-08:55

2 stops29h 15m

₹ 49,391

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 28/1

09:35-16:05

2 stops62h 30m

San Francisco

Mon 9/2

16:35-15:45

1 stop15h 10m

₹ 49,653

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 28/1

09:35-16:05

2 stops62h 30m

San Francisco

Mon 9/2

16:35-15:45

1 stop15h 10m

₹ 49,740

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 26/9

06:40-16:30

1 stop17h 50m

San Francisco

Sun 12/10

19:40-21:40

1 stop18h 00m

₹ 49,914

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sat 10/1

18:40-16:30

1 stop29h 50m

San Francisco

Fri 16/1

19:25-20:35

2 stops17h 10m

₹ 52,004

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 from

How to get the cheapest flight ticket from London 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 typical price of a round-trip flight between London and San Francisco?

What is the cheapest month to fly to San Francisco?

In general, February is the cheapest month to fly from London to San Francisco. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 50,001. If you aren’t able to travel to San Francisco during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of ₹ 51,308.

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

The cheapest day to depart from London to San Francisco is on a Thursday. Travellers who choose to depart for San Francisco on a Thursday will often find tickets for as low as ₹ 49,693. The most expensive day to fly to San Francisco is Wednesday, with ticket prices averaging around ₹ 69,533.

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

The cheapest time of day to fly to San Francisco is at midday when flights can be purchased for as low as ₹ 52,493. Flights in the morning are often more expensive, with an average ticket price of ₹ 58,499.

What is the cheapest London to San Francisco flight route?

Fly from London Heathrow to San Francisco for the best London - 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 London when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around ₹ 58,675 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 from London for as low as ₹ 53,572 on momondo.

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

There are 2 cabin classes available to choose from on London 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 London to San Francisco flights?

You could potentially save up to 20% on your flight if you consider stops on a London to San Francisco flight.

How have London to San Francisco flight prices changed over time?

As of August 2025, prices for London to San Francisco flights are approximately 59% more expensive when compared to flights at the same time last year.

When to book flights from London to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from London to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to San Francisco (LON to SFO) flight deals and tips

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

Best price found

₹ 49,827

Fastest flight time

11h 00m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from London in the past 72 hours is ₹ 49,827. The best return flight deal from London to San Francisco found on momondo in the last 72 hours is ₹ 48,694.
The fastest flight from London to San Francisco takes 11h 00m
Direct flights go from London to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

  • How far is London to San Francisco by plane?

    There are 8609.4 km between London and San Francisco. Typically, this will take 11h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from London to San Francisco Airport?

    Prices for flights from London to San Francisco Airport are updated daily.

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

  • How old do you have to be to fly from London to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to San Francisco Airport.

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

    The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from London to San Francisco?

  • What is the most popular airline from London to San Francisco?

Best airlines flying from London to San Francisco

Compare and see reviews for airlines that fly from London to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom ₹ 45,649Free CancellationRating
6.7
7,289 reviews
Search British Airways flights
Virgin AtlanticPriceFrom ₹ 50,902Free CancellationRating
7.4
657 reviews
Search Virgin Atlantic flights

  • Virgin Atlantic Flights From London to San Francisco

    The lowest priced Virgin Atlantic flight from London to San Francisco from the last 72 hours was ₹ 584. Generally, Virgin Atlantic has 14 flights on this route every week with an average price of ₹ 612. Virgin Atlantic is rated 7.4/10 by our users.

  • British Airways Flights From London to San Francisco

    The best British Airways deal for London to San Francisco flight tickets found on momondo in the last 72 hours was ₹ 524, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at ₹ 614 round-trip. British Airways operates 13 flights out of London into San Francisco in an average week, so prices vary by time and availability. 7,289 British Airways reviews by users on momondo have scored the airline at 6.7/10.

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Menlo Park
Davis
Santa Clara
Palo Alto
San Mateo
South San Francisco
Gilroy
Roseville
Bodega Bay
Sunnyvale
Rancho Cordova
Belmont
Daly City
Cupertino
Fremont
Calistoga

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to San Francisco . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search for London 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 London 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 London and alert you when they change.

An easier way to manage your San Francisco 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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