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Cheap flights from London Heathrow Airport to San Francisco from ₹ 44,352

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 Heathrow Airport to San Francisco departing on 31/5. 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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Find the cheapest flights from London Heathrow Airport to San Francisco

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
07:30 - 15:25
LHR
-
SFO
15h 55m
1 stop
United Airlines Logo
21:08 - 09:40
SFO
-
LHR
28h 32m
1 stop
₹ 47,101United Airlines
Fri, 1 May - Fri, 8 May
United Airlines Logo
09:00 - 16:30
LHR
-
SFO
15h 30m
1 stop
United Airlines Logo
13:50 - 07:25
SFO
-
LHR
10h 35mdirect
₹ 47,285United Airlines
Sat, 7 Mar - Fri, 13 Mar
SWISS Logo
06:00 - 16:30
LHR
-
SFO
18h 30m
1 stop
SWISS Logo
19:25 - 21:25
SFO
-
LHR
18h 00m
2 stops
₹ 47,376SWISS
Thu, 12 Feb - Sun, 15 Feb
United Airlines Logo
10:05 - 13:20
LHR
-
SFO
11h 15mdirect
United Airlines Logo
12:50 - 07:25
SFO
-
LHR
10h 35mdirect
₹ 47,560United Airlines
Sat, 21 Feb - Sun, 1 Mar
Lufthansa Logo
10:05 - 13:20
LHR
-
SFO
11h 15mdirect
Lufthansa Logo
12:50 - 07:25
SFO
-
LHR
10h 35mdirect
₹ 47,651Lufthansa
Sat, 7 Feb - Sat, 21 Feb
United Airlines Logo
07:25 - 14:30
LHR
-
SFO
15h 05m
1 stop
United Airlines Logo
10:10 - 10:10
SFO
-
LHR
16h 00m
1 stop
₹ 47,743United Airlines
Thu, 9 Apr - Wed, 29 Apr
United Airlines Logo
10:05 - 13:20
LHR
-
SFO
11h 15mdirect
United Airlines Logo
05:00 - 07:30
SFO
-
LHR
18h 30m
1 stop
₹ 47,834United Airlines
Sat, 21 Feb - Sun, 1 Mar
Multiple Airlines Logo
13:45 - 17:00
LHR
-
SFO
11h 15mdirect
Multiple Airlines Logo
18:25 - 12:00
SFO
-
LHR
10h 35mdirect
₹ 47,926Multiple Airlines
Fri, 6 Mar - Thu, 12 Mar
SWISS Logo
06:00 - 16:30
LHR
-
SFO
18h 30m
1 stop
SWISS Logo
19:25 - 21:25
SFO
-
LHR
18h 00m
2 stops
₹ 48,018SWISS
Fri, 6 Feb - Mon, 9 Feb
United Airlines Logo
07:40 - 20:10
LHR
-
SFO
20h 30m
2 stops
United Airlines Logo
16:15 - 13:30
SFO
-
LHR
13h 15m
1 stop
₹ 48,109United Airlines
Sat, 14 Feb - Fri, 20 Feb

United Airlines flights from London Heathrow Airport to San Francisco

Our best United Airlines deals on London Heathrow Airport to San Francisco flight tickets
United Airlines
1 May
LHR07:30London Heathrow
15h 55m
1 stop
SFO15:25San Francisco
8 May
SFO21:08San Francisco
28h 32m
1 stop
LHR09:40London Heathrow
₹ 47,101
United Airlines
7 Mar
LHR09:00London Heathrow
15h 30m
1 stop
SFO16:30San Francisco
13 Mar
SFO13:50San Francisco
10h 35m
LHR07:25London Heathrow
₹ 47,285
United Airlines
14 Mar
LHR06:35London Heathrow
16h 15m
1 stop
SFO15:50San Francisco
20 Mar
SFO18:25San Francisco
10h 35m
LHR12:00London Heathrow
₹ 47,376

British Airways flights from London Heathrow Airport to San Francisco

Our best British Airways deals on London Heathrow Airport to San Francisco flight tickets
British Airways
17 Feb
LHR08:50London Heathrow
14h 45m
1 stop
SFO15:35San Francisco
21 Feb
SFO18:04San Francisco
34h 11m
1 stop
LHR12:15London Heathrow
₹ 49,576
British Airways
13 Mar
LHR11:45London Heathrow
11h 15m
SFO16:00San Francisco
7 Apr
SFO10:06San Francisco
13h 59m
1 stop
LHR08:05London Heathrow
₹ 49,850
British Airways
1 Apr
LHR08:50London Heathrow
15h 00m
1 stop
SFO15:50San Francisco
15 Apr
SFO10:50San Francisco
14h 15m
1 stop
LHR09:05London Heathrow
₹ 50,950

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 26 January 2026.
Use the filters below to find and compare flights from London Heathrow Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 1/5

07:30-15:25

1 stop15h 55m

San Francisco

Fri 8/5

21:08-09:40

1 stop28h 32m

₹ 47,101

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 7/3

09:00-16:30

1 stop15h 30m

San Francisco

Fri 13/3

13:50-07:25

Nonstop10h 35m

₹ 47,285

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 12/2

06:00-16:30

1 stop18h 30m

San Francisco

Sun 15/2

19:25-21:25

2 stops18h 00m

₹ 47,376

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 21/2

10:05-13:20

Nonstop11h 15m

San Francisco

Sun 1/3

12:50-07:25

Nonstop10h 35m

₹ 47,560

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 7/2

10:05-13:20

Nonstop11h 15m

San Francisco

Sat 21/2

12:50-07:25

Nonstop10h 35m

₹ 47,651

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 9/4

07:25-14:30

1 stop15h 05m

San Francisco

Wed 29/4

10:10-10:10

1 stop16h 00m

₹ 47,743

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 21/2

10:05-13:20

Nonstop11h 15m

San Francisco

Sun 1/3

05:00-07:30

1 stop18h 30m

₹ 47,834

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 6/3

13:45-17:00

Nonstop11h 15m

San Francisco

Thu 12/3

18:25-12:00

Nonstop10h 35m

₹ 47,926

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 6/2

06:00-16:30

1 stop18h 30m

San Francisco

Mon 9/2

19:25-21:25

2 stops18h 00m

₹ 48,018

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 14/2

07:40-20:10

2 stops20h 30m

San Francisco

Fri 20/2

16:15-13:30

1 stop13h 15m

₹ 48,109

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 Heathrow Airport 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 cheapest month to fly to San Francisco?

In general, February is the cheapest month to fly from London Heathrow Airport to San Francisco. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 50,950. 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 ₹ 52,875.

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

The cheapest day to depart from London Heathrow Airport 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 ₹ 50,323. The most expensive day to fly to San Francisco is Wednesday, with ticket prices averaging around ₹ 73,146.

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 ₹ 56,118. Flights at midday are often more expensive, with an average ticket price of ₹ 66,559.

What is the cheapest London Heathrow to San Francisco flight route?

Fly from London Heathrow to San Francisco for the best London Heathrow - 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 Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around ₹ 62,214 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 Heathrow Airport for as low as ₹ 58,556 on momondo.

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

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

You could potentially save up to 47% on your flight if you consider stops on a London Heathrow Airport to San Francisco flight.

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

As of January 2026, prices for London Heathrow Airport to San Francisco flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to San Francisco

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

Cheap London Heathrow Airport to San Francisco (LHR to SFO) flight deals and tips

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

Best price found

₹ 49,252

Fastest flight time

11h 05m

Direct flights

Every day

Airports in San Francisco

1 airport
The best flight deal from London Heathrow Airport to San Francisco found on momondo in the last 72 hours is ₹ 49,252
The fastest flight from London Heathrow Airport to San Francisco takes 11h 05m
Direct flights go from London Heathrow Airport to San Francisco every day.
There is 1 airport in San Francisco. From London Heathrow Airport there are direct flights to San Francisco (SFO).
Search flight deals

  • How far is London Heathrow to San Francisco by plane?

    There are 8596.0 km between London Heathrow and San Francisco. By plane, this route typically takes 11h 05m.

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

    Prices for flights from London Heathrow Airport to San Francisco Airport were last updated today.

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

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

    The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London Heathrow Airport 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
Fremont
Davis
South San Francisco
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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from London.

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 in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from London.

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

Of course. momondo tracks the price of London to San Francisco 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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