How often are flights from London to San Francisco delayed?

About 12% of weekly flights between London and San Francisco have experienced delays in the past year, with the average delay time being 141 minutes.

What’s the fastest stopover option from London Heathrow Airport to San Francisco?

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 13h 15m.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

What is the most punctual flight time for London to San Francisco flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What’s the top stopover airport for flights from London Heathrow Airport to San Francisco?

Dublin (DUB) – chosen by Cheapflights users on 31% of one-stop itineraries from London Heathrow Airport to San Francisco on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to San Francisco?

Toronto (YYZ) is the most affordable one-stop option, with an average return flight price of £407.

Which airline has the best punctuality record on London to San Francisco flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to San Francisco?

Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average stopover time of 1h 07m.

How long is the flight from London Heathrow Airport to San Francisco?

SWISS, Scandinavian Airlines, and United Airlines can get you from London Heathrow Airport to San Francisco in just under 21h 27m. Your travel time can differ by up to 8h 23m. Airlines will cover a distance of 5350 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from London Heathrow Airport to San Francisco round-trip?

Cheapflights users have booked flights from London Heathrow Airport to San Francisco round-trip from £323. Other airlines that can offer you cheap pricing are Air Canada, from £337, and SWISS, from £352. Delta is priced at 38% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from London Heathrow Airport to San Francisco one-way?

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £274. Virgin Atlantic flights start at £326 while deals on Iberia start at £328 one-way.

Weekly flight availability from London Heathrow Airport to San Francisco

The most flights from LHR to SFO are scheduled on a Monday (42 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (36 on average).

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What are the cheapest flights from London Heathrow Airport to San Francisco?

The cheapest flight price from London Heathrow Airport to San Francisco is £430. On average you can expect to pay £1,196. The most popular route, (London Heathrow - San Francisco), can usually be booked for £349.

What are the most reliable airlines from London Heathrow Airport to San Francisco?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to San Francisco on time: Air Canada (89%), Austrian Airlines (89%), United Airlines (89%).

What are the most popular airlines that fly from London Heathrow Airport to San Francisco?

The most popular airlines flying from London Heathrow Airport to San Francisco are Virgin Atlantic, British Airways and Lufthansa. Something to consider prior to booking your flight.

What airport do you fly into for flights to San Francisco from London Heathrow?

Located just 11.0 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from London Heathrow. Booking flights from London Heathrow to San Francisco (SFO) should be relatively easy as there are 40 daily inbound flights from London Heathrow from 18 different airlines.

Can I find deals for flights from Heathrow to San Francisco that include hotel bookings?

Yes. In addition to deals on Heathrow to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to San Francisco?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to San Francisco.

Can I find deals for business class flights from Heathrow to San Francisco?

Yes. Cheapflights offers flight deals from Heathrow to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£449+ Cheap Flights from London Heathrow Airport to San Francisco

Q: How much does it cost for a return flight from London Heathrow Airport to San Francisco?

Airfare is below average for this route at the moment. London Heathrow Airport to San Francisco flights typically cost between £618 and £445 in December. The cheapest return flight price found within the last 3 days was £524 on Lufthansa (6 Dec-13 Dec).

Cheapflights Tip: The best prices from London Heathrow to San Francisco are usually found in February or September, booked 81 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Heathrow to San Francisco

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Heathrow to San Francisco
Explore the most affordable flight options available from Heathrow to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 June 2026.

Sun 6/1208:45

LHR

SFO

1 stop18h 50m

Lufthansa

Sun 13/1222:44

SFO

LHR

2 stops23h 56m

Lufthansa

Deal found 8/6£524

Fri 9/1006:30

LHR

SFO

1 stop13h 15m

Delta

Mon 12/1013:05

SFO

LHR

1 stop15h 05m

Delta

Deal found 8/6£525

Wed 16/1211:45

LHR

SFO

Nonstop11h 15m

Multiple Airlines

Wed 23/1217:30

SFO

LHR

Nonstop10h 30m

Multiple Airlines

Deal found 8/6£525

Fri 3/716:15

LHR

SFO

Nonstop10h 55m

Multiple Airlines

Thu 23/719:35

SFO

LHR

1 stop14h 15m

Multiple Airlines

Deal found 9/6£526

Sun 11/1019:30

LHR

SFO

1 stop27h 10m

Scandinavian Airlines

Wed 14/1016:45

SFO

LHR

2 stops18h 05m

Scandinavian Airlines

Deal found 8/6£527

Thu 25/609:55

LHR

SFO

1 stop21h 49m

Iberia

Thu 16/706:15

SFO

LHR

2 stops18h 10m

Iberia

Deal found 8/6£528

Thu 18/616:15

LHR

SFO

Nonstop10h 55m

Brussels Airlines

Sat 4/712:43

SFO

LHR

1 stop12h 57m

Brussels Airlines

Deal found 8/6£528

Sat 4/710:35

LHR

SFO

Nonstop11h 00m

Lufthansa

Sat 11/713:00

SFO

LHR

Nonstop10h 25m

Lufthansa

Deal found 9/6£529

Fri 21/812:45

LHR

SFO

Nonstop11h 00m

Virgin Atlantic

Fri 28/805:36

SFO

LHR

1 stop17h 34m

Virgin Atlantic

Deal found 8/6£530

Fri 19/615:05

LHR

SFO

1 stop14h 39m

United Airlines

Fri 26/613:00

SFO

LHR

Nonstop10h 25m

United Airlines

Deal found 8/6£531

Mon 22/613:00

LHR

SFO

Nonstop11h 05m

United Airlines

Sat 18/713:00

SFO

LHR

Nonstop10h 25m

United Airlines

Deal found 8/6£531

Fri 9/1006:55

LHR

SFO

1 stop15h 35m

Lufthansa

Sat 17/1012:55

SFO

LHR

Nonstop10h 30m

Lufthansa

Deal found 8/6£532

Find flight deals from Heathrow to San Francisco

Round-trip from	£524
One-way from	£449
Popular in	December
Cheapest in	February
Average price	£522
Good round-trip deal	£604 or less
Good one-way deal	£591 or less

Lufthansa
6/12-13/12
3 total stops
42h 46m total
London to San Francisco

Search Deals

TAP AIR PORTUGAL
14/6
2 total stops
54h 20m total
London to San Francisco

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (£9 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2026

Search Deals

Price to beat on a round-trip flight from London Heathrow to San Francisco.

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Price to beat on a one-way flight from London Heathrow to San Francisco.

Search Deals

Cheapflights Fare Finder

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

Cheapest return flight

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 6/11

18:40-16:30

1 stop29h 50m

San Francisco

Fri 13/11

19:25-21:25

2 stops18h 00m

£532

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 9/9

19:50-14:40

2 stops26h 50m

San Francisco

Tue 15/9

16:45-18:50

2 stops18h 05m

£549

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 27/8

19:50-14:40

2 stops26h 50m

San Francisco

Sun 6/9

16:45-18:50

2 stops18h 05m

£552

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 29/7

09:30-22:57

2 stops21h 27m

San Francisco

Wed 5/8

13:05-07:25

Nonstop10h 20m

£563

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 10/7

08:40-16:15

1 stop15h 35m

San Francisco

Fri 17/7

23:59-21:25

1 stop13h 26m

£564

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 26/6

08:40-16:15

1 stop15h 35m

San Francisco

Thu 16/7

19:35-17:50

1 stop14h 15m

£572

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 28/8

07:00-16:15

2 stops17h 15m

San Francisco

Sat 12/9

19:35-17:50

1 stop14h 15m

£580

Fastest return journey

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 22/6

10:35-13:35

Nonstop11h 00m

San Francisco

Sun 12/7

23:59-21:35

1 stop13h 36m

£595

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 27/7

14:05-20:51

1 stop14h 46m

San Francisco

Tue 4/8

19:50-14:10

Nonstop10h 20m

£597

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 30/6

20:05-16:35

1 stop28h 30m

San Francisco

Mon 3/8

19:35-21:30

2 stops17h 55m

£597

Flights are sorted by cheapest return flights first.

Deals found on 4/6

Showing 1-10 of 24 resultsSorted by cheapest first

Best time to book a flight from Heathrow to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Heathrow with our price prediction graph.

LHR-SFO

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to San Francisco

Prices

Airlines

Delays

How far ahead should I book a flight from London Heathrow Airport to San Francisco?

The price you pay for your flight from London Heathrow Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Heathrow Airport to San Francisco?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to San Francisco (average of £424). Flying from London Heathrow Airport to San Francisco in December is currently the most expensive (average of £658). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to SFO?

When flying from London Heathrow Airport to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from London Heathrow Airport to San Francisco?

Reviews of airlines servicing San Francisco

See what other customers who have flown with Austrian Airlines,Virgin Atlantic, andUnited Airlines from London Heathrow Airport to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Austrian Airlines

7.6

Good

927 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Austrian Airlines

7.6

Good

927 reviews

Austrian Airlines

7.6

Good

927 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Virgin Atlantic

7.5

Good

689 reviews

Austrian Airlines

7.6

Good

927 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

United Airlines

7.4

Good

9,801 reviews

Austrian Airlines

7.6

Good

927 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Lufthansa

6.8

Okay

8,052 reviews

Austrian Airlines

7.6

Good

927 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

British Airways

6.7

Okay

8,035 reviews

Austrian Airlines

7.6

Good

927 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Related info for your journey

What airport do you fly into for flights to San Francisco from London Heathrow?
Located just 11.0 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from London Heathrow. Booking flights from London Heathrow to San Francisco (SFO) should be relatively easy as there are 40 daily inbound flights from London Heathrow from 18 different airlines.
How long is the flight from London Heathrow Airport to San Francisco?
SWISS, Scandinavian Airlines, and United Airlines can get you from London Heathrow Airport to San Francisco in just under 21h 27m. Your travel time can differ by up to 8h 23m. Airlines will cover a distance of 5350 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from London Heathrow Airport to San Francisco round-trip?
Cheapflights users have booked flights from London Heathrow Airport to San Francisco round-trip from £323. Other airlines that can offer you cheap pricing are Air Canada, from £337, and SWISS, from £352. Delta is priced at 38% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from London Heathrow Airport to San Francisco one-way?
To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £274. Virgin Atlantic flights start at £326 while deals on Iberia start at £328 one-way.
What are the most reliable airlines from London Heathrow Airport to San Francisco?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to San Francisco on time: Air Canada (89%), Austrian Airlines (89%), United Airlines (89%).
What are the cheapest flights from London Heathrow Airport to San Francisco?
The cheapest flight price from London Heathrow Airport to San Francisco is £430. On average you can expect to pay £1,196. The most popular route, (London Heathrow - San Francisco), can usually be booked for £349.
Can I find deals for flights from Heathrow to San Francisco that include hotel bookings?
Yes. In addition to deals on Heathrow to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to San Francisco.
Can I find deals for business class flights from Heathrow to San Francisco?
Yes. Cheapflights offers flight deals from Heathrow to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to San Francisco?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to San Francisco (average of £424). Flying from London Heathrow Airport to San Francisco in December is currently the most expensive (average of £658). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Santa Cruz

Newark

San Bruno

Bodega Bay

South San Francisco

Sunnyvale

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Fly from Heathrow to San Francisco on these airlines

Virgin Atlantic flights from London Heathrow to San Francisco

British Airways flights from London Heathrow to San Francisco

Lufthansa flights from London Heathrow to San Francisco

Top 10 airlines flying from Heathrow to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£323	Average£663	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	Cheapest£337	Average£421	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
SWISS	Cheapest£352	Average£431	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Aer Lingus	Cheapest£355	Average£587	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Scandinavian Airlines	Cheapest£359	Average£491	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£362	Average£472	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£374	Average£520	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Austrian Airlines	Cheapest£377	Average£505	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Lufthansa	Cheapest£378	Average£542	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Virgin Atlantic	Cheapest£382	Average£553	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights

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How does Cheapflights help users find flights from Heathrow to San Francisco?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Francisco from Heathrow today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Heathrow to San Francisco?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Francisco from Heathrow.

Can Cheapflights find flights from Heathrow to San Francisco with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to San Francisco with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to San Francisco become cheaper?

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Cheap flights from London Heathrow Airport to San Francisco from £449

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to San Francisco

Cheapest flights from Heathrow to San FranciscoExplore the most affordable flight options available from Heathrow to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 June 2026.

Explore the most affordable flight options available from Heathrow to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 June 2026.

Best flights from Heathrow to San FranciscoDiscover carefully curated flight deals from Heathrow to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 June 2026.

Discover carefully curated flight deals from Heathrow to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 June 2026.

Direct flights from Heathrow to San FranciscoExplore direct flight options from Heathrow to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 June 2026.

Explore direct flight options from Heathrow to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 June 2026.

Last-minute flights from Heathrow to San FranciscoDiscover last-minute flight deals from Heathrow to San Francisco. Data last updated 9 June 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to San Francisco. Data last updated 9 June 2026 and is based on user searches.

One-way flights from Heathrow to San FranciscoSearch for one-way flight options from Heathrow to San Francisco. Find affordable one-way fares based on user searches. Data last updated 9 June 2026.

Search for one-way flight options from Heathrow to San Francisco. Find affordable one-way fares based on user searches. Data last updated 9 June 2026.

Find flight deals from Heathrow to San Francisco

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to San Francisco that are best for you.

Best time to book a flight from Heathrow to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Heathrow with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to San Francisco

How far ahead should I book a flight from London Heathrow Airport to San Francisco?

What is the cheapest month to book a flight from London Heathrow Airport to San Francisco?

What is the cheapest time of day to fly from LHR to SFO?

How much does it cost for a return flight from London Heathrow Airport to San Francisco?

Weekly flight availability from London Heathrow Airport to San Francisco

How often are flights from London to San Francisco delayed?

What is the most punctual flight time for London to San Francisco flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on London to San Francisco flights?

What’s the top stopover airport for flights from London Heathrow Airport to San Francisco?

What’s the cheapest stopover airport for flights from London Heathrow Airport to San Francisco?

What’s the fastest stopover option from London Heathrow Airport to San Francisco?

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to San Francisco?

Reviews of airlines servicing San Francisco

See what other customers who have flown with Austrian Airlines,Virgin Atlantic, andUnited Airlines from London Heathrow Airport to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to San Francisco from London Heathrow?

How long is the flight from London Heathrow Airport to San Francisco?

What are the cheapest airlines flying from London Heathrow Airport to San Francisco round-trip?

What are the cheapest airlines to fly from London Heathrow Airport to San Francisco one-way?

What are the most reliable airlines from London Heathrow Airport to San Francisco?

What are the cheapest flights from London Heathrow Airport to San Francisco?

Can I find deals for flights from Heathrow to San Francisco that include hotel bookings?

How can I find direct flights from Heathrow to San Francisco?

Can I find deals for business class flights from Heathrow to San Francisco?

What is the cheapest month to book a flight from London Heathrow Airport to San Francisco?

Travelling to a place near San Francisco?

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Fly from Heathrow to San Francisco on these airlines

Choose from the following airlines for your flight from Heathrow to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 9 June 2026.

Alternative routes for Heathrow to San Francisco

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Complete your trip

Complete your trip to San Francisco by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to California

Book a non-stop flight to one of these other cities located in California.

Search flights from Heathrow to San Francisco by cabin class

Find flights from Heathrow to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and San Francisco flights

Browse other Heathrow and San Francisco flight options. Last updated on 9 June 2026.

Other flights from Heathrow

Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 9 June 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to San Francisco

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Top 10 airlines flying from Heathrow to San Francisco

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How does Cheapflights help users find flights from Heathrow to San Francisco?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to San Francisco?

Cheapest flights from Heathrow to San Francisco
Explore the most affordable flight options available from Heathrow to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 June 2026.

Best flights from Heathrow to San Francisco
Discover carefully curated flight deals from Heathrow to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 June 2026.

Direct flights from Heathrow to San Francisco
Explore direct flight options from Heathrow to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 June 2026.

Last-minute flights from Heathrow to San Francisco
Discover last-minute flight deals from Heathrow to San Francisco. Data last updated 9 June 2026 and is based on user searches.

One-way flights from Heathrow to San Francisco
Search for one-way flight options from Heathrow to San Francisco. Find affordable one-way fares based on user searches. Data last updated 9 June 2026.