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Cheap flights from London to San Francisco from ₹ 44,891

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 departing on 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

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United Airlines Logo
09:00 - 19:00
LHR
-
SFO
18h 00m
1 stop
United Airlines Logo
16:35 - 11:10
SFO
-
LHR
10h 35mdirect
₹ 45,613United Airlines
Tue, 21 Apr - Tue, 28 Apr
Multiple Airlines Logo
06:30 - 12:40
LHR
-
SFO
14h 10m
1 stop
Multiple Airlines Logo
19:30 - 14:10
SFO
-
LHR
10h 40mdirect
₹ 45,704Multiple Airlines
Mon, 20 Apr - Wed, 29 Apr
United Airlines Logo
08:40 - 16:25
LHR
-
SFO
15h 45m
1 stop
United Airlines Logo
19:45 - 14:10
SFO
-
LHR
10h 25mdirect
₹ 45,884United Airlines
Thu, 14 May - Sat, 30 May
United Airlines Logo
08:40 - 16:15
LHR
-
SFO
15h 35m
1 stop
United Airlines Logo
08:10 - 10:00
SFO
-
LHR
17h 50m
1 stop
₹ 46,246United Airlines
Mon, 4 May - Fri, 3 Jul
United Airlines Logo
08:45 - 16:15
LHR
-
SFO
15h 30m
1 stop
United Airlines Logo
19:45 - 14:10
SFO
-
LHR
10h 25mdirect
₹ 46,426United Airlines
Sat, 16 May - Sat, 30 May
SWISS Logo
07:00 - 16:30
LHR
-
SFO
17h 30m
2 stops
SWISS Logo
19:25 - 17:50
SFO
-
LHR
14h 25m
1 stop
₹ 46,517SWISS
Tue, 17 Feb - Tue, 24 Feb
SWISS Logo
09:00 - 16:30
LHR
-
SFO
15h 30m
1 stop
SWISS Logo
19:25 - 21:25
SFO
-
LHR
18h 00m
2 stops
₹ 46,878SWISS
Thu, 19 Feb - Mon, 23 Feb
TAP AIR PORTUGAL Logo
06:00 - 14:35
LHR
-
SFO
16h 35m
1 stop
TAP AIR PORTUGAL Logo
17:35 - 21:35
SFO
-
LHR
21h 00m
1 stop
₹ 47,059TAP AIR PORTUGAL
Mon, 2 Mar - Mon, 16 Mar
TAP AIR PORTUGAL Logo
21:25 - 15:30
LGW
-
SFO
49h 05m
2 stops
TAP AIR PORTUGAL Logo
17:35 - 15:45
SFO
-
LGW
15h 10m
1 stop
₹ 52,930TAP AIR PORTUGAL
Mon, 9 Mar - Mon, 23 Mar
TAP AIR PORTUGAL Logo
21:25 - 15:30
LGW
-
SFO
49h 05m
2 stops
TAP AIR PORTUGAL Logo
17:35 - 15:45
SFO
-
LGW
15h 10m
1 stop
₹ 53,020TAP AIR PORTUGAL
Mon, 9 Mar - Mon, 23 Mar

SWISS flights from London to San Francisco

Our best SWISS deals on London to San Francisco flight tickets
SWISS
17 Feb
LHR07:00London Heathrow
17h 30m
2 stops
SFO16:30San Francisco
24 Feb
SFO19:25San Francisco
14h 25m
1 stop
LHR17:50London Heathrow
₹ 46,517
SWISS
19 Feb
LHR09:00London Heathrow
15h 30m
1 stop
SFO16:30San Francisco
23 Feb
SFO19:25San Francisco
18h 00m
2 stops
LHR21:25London Heathrow
₹ 46,878
SWISS
18 Feb
LHR14:25London Heathrow
34h 05m
2 stops
SFO16:30San Francisco
23 Feb
SFO19:25San Francisco
18h 00m
2 stops
LHR21:25London Heathrow
₹ 49,678

Scandinavian Airlines flights from London to San Francisco

Our best Scandinavian Airlines deals on London to San Francisco flight tickets
Scandinavian Airlines
26 Feb
LHR19:30London Heathrow
27h 05m
1 stop
SFO14:35San Francisco
1 Mar
SFO16:40San Francisco
18h 10m
2 stops
LHR18:50London Heathrow
₹ 53,020
Scandinavian Airlines
19 Feb
LHR06:40London Heathrow
15h 55m
1 stop
SFO14:35San Francisco
26 Feb
SFO16:40San Francisco
15h 45m
2 stops
LHR16:25London Heathrow
₹ 56,543
Scandinavian Airlines
13 Feb
LHR06:40London Heathrow
15h 55m
1 stop
SFO14:35San Francisco
17 Mar
SFO17:40San Francisco
15h 20m
1 stop
LHR16:00London Heathrow
₹ 59,794

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 6 February 2026.
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

Tue 21/4

09:00-19:00

1 stop18h 00m

San Francisco

Tue 28/4

16:35-11:10

Nonstop10h 35m

₹ 45,613

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 20/4

06:30-12:40

1 stop14h 10m

San Francisco

Wed 29/4

19:30-14:10

Nonstop10h 40m

₹ 45,704

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 14/5

08:40-16:25

1 stop15h 45m

San Francisco

Sat 30/5

19:45-14:10

Nonstop10h 25m

₹ 45,884

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 4/5

08:40-16:15

1 stop15h 35m

San Francisco

Fri 3/7

08:10-10:00

1 stop17h 50m

₹ 46,246

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 16/5

08:45-16:15

1 stop15h 30m

San Francisco

Sat 30/5

19:45-14:10

Nonstop10h 25m

₹ 46,426

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 17/2

07:00-16:30

2 stops17h 30m

San Francisco

Tue 24/2

19:25-17:50

1 stop14h 25m

₹ 46,517

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 19/2

09:00-16:30

1 stop15h 30m

San Francisco

Mon 23/2

19:25-21:25

2 stops18h 00m

₹ 46,878

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 2/3

06:00-14:35

1 stop16h 35m

San Francisco

Mon 16/3

17:35-21:35

1 stop21h 00m

₹ 47,059

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 9/3

21:25-15:30

2 stops49h 05m

San Francisco

Mon 23/3

17:35-15:45

1 stop15h 10m

₹ 52,930

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 9/3

21:25-15:30

2 stops49h 05m

San Francisco

Mon 23/3

17:35-15:45

1 stop15h 10m

₹ 53,020

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 ₹ 50,762. If you aren’t able to travel to San Francisco during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of ₹ 51,665.

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 ₹ 49,602. The most expensive day to fly to San Francisco is Wednesday, with ticket prices averaging around ₹ 69,199.

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 in the afternoon when flights can be purchased for as low as ₹ 55,314. Flights at midday are often more expensive, with an average ticket price of ₹ 65,605.

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 ₹ 61,345 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 ₹ 57,627 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 63% 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 February 2026, prices for London to San Francisco flights are approximately 7% cheaper 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

₹ 48,546

Fastest flight time

11h 05m

Direct flights

Every day

Airports in San Francisco

1 airport
The best flight deal from London to San Francisco found on momondo in the last 72 hours is ₹ 48,546
The fastest flight from London to San Francisco takes 11h 05m
Direct flights go from London to San Francisco every day.
There is 1 airport in San Francisco. From London there are direct flights to 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 05m 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 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?

Travelling to a place near San Francisco?

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

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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