Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to San Francisco from ₹ 44,225

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 24/12. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customie your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London Heathrow Airport to San Francisco

Cheap return flights

Delta Logo
06:15 - 12:50LHR-SFO
14h 35m1 stop
Delta Logo
16:30 - 10:40SFO-LHR
10h 10mdirect
₹ 47,050Delta
Find Deal
Thu, 9 Oct - Mon, 2 Mar
United Airlines Logo
10:35 - 13:40LHR-SFO
11h 05mdirect
United Airlines Logo
13:05 - 07:25SFO-LHR
10h 20mdirect
₹ 47,138United Airlines
Find Deal
Sat, 27 Sep - Thu, 9 Oct
British Airways Logo
08:20 - 18:35LHR-SFO
18h 15m1 stop
British Airways Logo
15:50 - 16:05SFO-LHR
16h 15m1 stop
₹ 47,667British Airways
Find Deal
Sat, 27 Sep - Wed, 8 Oct
Scandinavian Airlines Logo
19:50 - 14:35LHR-SFO
26h 45m2 stops
Scandinavian Airlines Logo
16:40 - 18:50SFO-LHR
18h 10m2 stops
₹ 48,462Scandinavian Airlines
Find Deal
Wed, 28 Jan - Mon, 9 Feb
British Airways Logo
19:05 - 09:24LHR-SFO
22h 19m1 stop
British Airways Logo
08:00 - 09:25SFO-LHR
17h 25m1 stop
₹ 48,815British Airways
Find Deal
Sun, 28 Sep - Thu, 9 Oct
Scandinavian Airlines Logo
21:05 - 15:35LHR-SFO
25h 30m2 stops
Scandinavian Airlines Logo
17:40 - 19:55SFO-LHR
19h 15m2 stops
₹ 49,080Scandinavian Airlines
Find Deal
Thu, 12 Mar - Thu, 19 Mar
Lufthansa Logo
06:30 - 12:40LHR-SFO
14h 10m1 stop
Lufthansa Logo
13:02 - 10:40SFO-LHR
13h 38m1 stop
₹ 49,521Lufthansa
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Logo
10:35 - 13:40LHR-SFO
11h 05mdirect
Logo
08:25 - 06:20SFO-LHR
13h 55m1 stop
₹ 49,874
Find Deal
Sat, 27 Sep - Mon, 6 Oct
Lufthansa Logo
06:30 - 12:40LHR-SFO
14h 10m1 stop
Lufthansa Logo
19:50 - 14:10SFO-LHR
10h 20mdirect
₹ 50,051Lufthansa
Find Deal
Fri, 26 Sep - Thu, 9 Oct
Logo
12:20 - 15:25LHR-SFO
11h 05mdirect
Logo
13:02 - 10:40SFO-LHR
13h 38m1 stop
₹ 52,081
Find Deal
Sat, 11 Oct - Sat, 18 Oct

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
27 Sept
LHR10:35London Heathrow
11h 05m
SFO13:40San Francisco
9 Oct
SFO13:05San Francisco
10h 20m
LHR07:25London Heathrow
₹ 47,138
Find similar
United Airlines
3 Oct
LHR10:35London Heathrow
11h 05m
SFO13:40San Francisco
8 Oct
SFO13:05San Francisco
10h 20m
LHR07:25London Heathrow
₹ 47,226
Find similar
United Airlines
21 Feb
LHR10:05London Heathrow
11h 15m
SFO13:20San Francisco
1 Mar
SFO17:25San Francisco
10h 35m
LHR12:00London Heathrow
₹ 47,314
Find similar

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
27 Sept
LHR08:20London Heathrow
18h 15m
1 stop
SFO18:35San Francisco
8 Oct
SFO15:50San Francisco
16h 15m
1 stop
LHR16:05London Heathrow
₹ 47,667
Find similar
British Airways
20 Sept
LHR16:55London Heathrow
14h 21m
1 stop
SFO23:16San Francisco
4 Oct
SFO10:14San Francisco
13h 06m
1 stop
LHR07:20London Heathrow
₹ 47,756
Find similar
British Airways
28 Sept
LHR19:05London Heathrow
22h 19m
1 stop
SFO09:24San Francisco
9 Oct
SFO08:00San Francisco
17h 25m
1 stop
LHR09:25London Heathrow
₹ 48,815
Find similar

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 15 September 2025.
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

Thu 9/10

06:15-12:50

1 stop14h 35m

San Francisco

Mon 2/3

16:30-10:40

Nonstop10h 10m

₹ 47,050

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 27/9

10:35-13:40

Nonstop11h 05m

San Francisco

Thu 9/10

13:05-07:25

Nonstop10h 20m

₹ 47,138

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 27/9

08:20-18:35

1 stop18h 15m

San Francisco

Wed 8/10

15:50-16:05

1 stop16h 15m

₹ 47,667

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 28/1

19:50-14:35

2 stops26h 45m

San Francisco

Mon 9/2

16:40-18:50

2 stops18h 10m

₹ 48,462

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 28/9

19:05-09:24

1 stop22h 19m

San Francisco

Thu 9/10

08:00-09:25

1 stop17h 25m

₹ 48,815

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 12/3

21:05-15:35

2 stops25h 30m

San Francisco

Thu 19/3

17:40-19:55

2 stops19h 15m

₹ 49,080

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 15/10

06:30-12:40

1 stop14h 10m

San Francisco

Wed 22/10

13:02-10:40

1 stop13h 38m

₹ 49,521

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 27/9

10:35-13:40

Nonstop11h 05m

San Francisco

Mon 6/10

08:25-06:20

1 stop13h 55m

₹ 49,874

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 26/9

06:30-12:40

1 stop14h 10m

San Francisco

Thu 9/10

19:50-14:10

Nonstop10h 20m

₹ 50,051

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 11/10

12:20-15:25

Nonstop11h 05m

San Francisco

Sat 18/10

13:02-10:40

1 stop13h 38m

₹ 52,081

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 ₹ 49,433. 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 ₹ 51,110.

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 ₹ 50,356. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around ₹ 131,799.

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 ₹ 53,194. Flights in the morning are often more expensive, with an average ticket price of ₹ 61,781.

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 ₹ 59,033 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 ₹ 54,641 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 43% 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 September 2025, prices for London Heathrow Airport to San Francisco flights are approximately 31% more expensive 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

Fastest flight time

11h 00m

Direct flights

Every day

Airports in San Francisco

1 airport
The fastest flight from London Heathrow Airport to San Francisco takes 11h 00m
Direct flights go from London Heathrow Airport to San Francisco every day.
There is 1 airport near San Francisco: 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 00m.

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

  • 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?

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

Best airlines flying from London Heathrow Airport to San Francisco

Compare and see reviews for airlines that fly from London Heathrow Airport to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom ₹ 46,259Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
Virgin AtlanticPriceFrom ₹ 51,581Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights

  • Virgin Atlantic Flights From London Heathrow Airport to San Francisco

    Virgin Atlantic flies from London Heathrow Airport to San Francisco around 14 times per week, with 664 momondo users rating the airline 7.4/10. The cheapest Virgin Atlantic deal from London Heathrow Airport to San Francisco in the last 72 hours was ₹ 584 (round-trip), much lower than the average airfare cost of ₹ 610 for Virgin Atlantic flights on this route.

  • British Airways Flights From London Heathrow Airport to San Francisco

    British Airways (6.6/10 from 7,361 reviews) operates around 14 flights from London Heathrow Airport to San Francisco in any given week. The average British Airways airfare for this route is around ₹ 614, with deals from around ₹ 524 rare but found on momondo. Referenced prices are for round-trip London Heathrow Airport to San Francisco flight searches in the last 72 hours.

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
Sunnyvale
Bodega Bay
Rancho Cordova
Belmont
Cupertino
Daly City
Fremont
Calistoga

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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 15/10
Wed 22/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States