How long is the flight from London to San Francisco?

Airlines like Alaska Airlines and Delta fly from London to San Francisco in about 13h 15m. The time it takes to get you to your destination can typically vary by up to 43m. The distance from London to San Francisco is about 8610 km. Both multi-stop and direct flights can be found to your destination and back.

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 most reliable airlines from London to San Francisco?

No one likes to see their flight delayed. When booking a flight from London to San Francisco consider choosing Air Canada(75%), Austrian Airlines(75%) or United Airlines(75%), as they are the most reliable in getting you off to your destination on time.

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

San Francisco (SFO), located 17.7 km from the city centre, is the airport you fly into when you book flights from London to San Francisco. 0 airlines have flights to San Francisco from London on a regular basis. Booking flights from London to San Francisco should not be difficult; the airport handles an average of 32 inbound flights from London per day.

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

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

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

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

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

Yes. Cheapflights offers flight deals from London 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.

₹ 52,947+ Cheap Flights from London to San Francisco

Cheapflights Tip: The best prices from London to San Francisco are usually found in February or November, booked 74 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from London to San Francisco

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from London to San Francisco
Explore the most affordable flight options available from London to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Tue 13/1017:00 -

1 stop13h 49m

Tue 20/1015:21 -

1 stop15h 44m

Deal found 2/10₹ 54,584

Mon 19/1017:00 -

1 stop14h 52m

Sun 8/1108:33 -

1 stop19h 47m

Deal found 2/10₹ 54,680

Fri 6/1114:45 -

1 stop16h 00m

Tue 10/1115:08 -

1 stop13h 12m

Deal found 5/10₹ 54,776

Wed 21/1017:00 -

1 stop13h 49m

Sat 7/1111:34 -

1 stop16h 46m

Deal found 1/10₹ 54,872

Tue 13/1017:00 -

1 stop13h 49m

Mon 16/1112:13 -

1 stop16h 07m

Deal found 6/10₹ 55,546

Sat 10/1017:00 -

1 stop13h 49m

Sat 17/1013:51 -

1 stop17h 14m

Deal found 2/10₹ 55,642

Mon 12/1017:00 -

1 stop29h 23m

Mon 19/1015:21 -

1 stop15h 44m

Deal found 5/10₹ 56,028

Sat 31/1014:45 -

1 stop26h 56m

Mon 16/1112:13 -

1 stop16h 07m

Deal found 2/10₹ 56,124

Thu 24/1214:45 -

1 stop33h 15m

Fri 8/112:53 -

1 stop15h 27m

Deal found 4/10₹ 56,509

Thu 24/1214:45 -

1 stop28h 47m

Wed 6/114:12 -

1 stop14h 08m

Deal found 1/10₹ 56,605

Mon 12/1017:00 -

1 stop29h 23m

Sat 24/1016:21 -

1 stop12h 59m

Deal found 2/10₹ 56,701

Wed 9/1206:30 -

1 stop13h 15m

Fri 5/216:40 -

Nonstop10h 15m

Deal found 1/10₹ 56,798

Find flight deals from London to San Francisco

Round-trip from	₹ 54,584
One-way from	₹ 52,947
Popular in	December
Cheapest in	February
Average price	₹ 65,269

Alaska Airlines
15/10-24/10
2 total stops
32h 09m total
London to San Francisco

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United Airlines
22/11-31/12
Nonstop
11h 15m total
London to San Francisco

Search Deals

High demand for flights, 0% potential price rise

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Cheapest flight prices on average. 1% potential price decrease (₹ 90,079 potential savings vs. average return price).

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Average for round-trip flights in October 2026

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Cheapflights Fare Finder

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

Cheapest return flight

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Tue 5/1

16:40-21:30

2 stops36h 50m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

₹ 54,584

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sat 21/11

14:45-20:43

1 stop13h 58m

San Francisco

Wed 9/12

10:40-12:20

1 stop17h 40m

₹ 54,680

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Fri 8/1

07:40-21:11

2 stops21h 31m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

₹ 54,776

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Tue 15/12

14:45-20:52

1 stop14h 07m

San Francisco

Sat 9/1

09:25-12:20

1 stop18h 55m

₹ 54,776

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Wed 30/12

12:50-07:16

2 stops26h 26m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

₹ 55,835

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sat 31/10

14:45-10:41

1 stop26h 56m

San Francisco

Mon 16/11

12:13-12:20

1 stop16h 07m

₹ 56,124

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Thu 24/12

14:45-11:32

1 stop28h 47m

San Francisco

Wed 17/2

07:00-12:20

1 stop21h 20m

₹ 56,124

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sun 29/11

07:55-15:35

2 stops39h 40m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

₹ 57,664

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sun 1/11

11:50-14:50

Nonstop11h 00m

San Francisco

Sun 10/1

11:55-10:30

1 stop14h 35m

₹ 58,242

LondonSan Francisco

LHR London Heathrow - SFO San Francisco

LHRSFO

London Heathrow

Sat 6/2

06:30-11:45

1 stop13h 15m

San Francisco

Sat 13/2

16:40-10:55

Nonstop10h 15m

₹ 59,301

Flights are sorted by cheapest return flights first.

Deals found on 4/10

Showing 1-10 of 24 resultsSorted by cheapest first

Best time to book a flight from London to San Francisco

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

LON-SFO

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 to San Francisco

LON-SFO

LHR-SFO

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

Currently, February is the cheapest month in which you can book a flight from London to San Francisco (average of ₹ 57,857). Flying from London to San Francisco in December is currently the most expensive (average of ₹ 81,827). 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 LON to SFO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to San Francisco as you normally would.

Weekly flight availability from London to San Francisco

The most flights from LON to SFO are scheduled on a Monday (38 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (25 on average).

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

Airfare is below average for this route at the moment.

London to San Francisco flights typically cost between ₹ 54,969 and ₹ 77,688 in October.
The cheapest return price found within the last 5 days was ₹ 54,584 on Alaska Airlines (31 Oct–16 Nov).

How often are flights from London to San Francisco delayed?

About 13% of weekly flights between London and San Francisco have experienced delays in the past year, with the average delay time being 144 minutes.

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

Friday 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.

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.

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

To ensure you get the cheapest price possible for a flight from London to San Francisco, you should look to book at least 22 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing San Francisco

Read through reviews of airlines operating flights from London to San Francisco, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

10,289 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

United Airlines

7.4

Good

10,289 reviews

United Airlines

7.4

Good

10,289 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

What airport do you fly into for flights to San Francisco from London?
San Francisco (SFO), located 17.7 km from the city centre, is the airport you fly into when you book flights from London to San Francisco. 0 airlines have flights to San Francisco from London on a regular basis. Booking flights from London to San Francisco should not be difficult; the airport handles an average of 32 inbound flights from London per day.
How long is the flight from London to San Francisco?
Airlines like Alaska Airlines and Delta fly from London to San Francisco in about 13h 15m. The time it takes to get you to your destination can typically vary by up to 43m. The distance from London to San Francisco is about 8610 km. Both multi-stop and direct flights can be found to your destination and back.
What are the most reliable airlines from London to San Francisco?
No one likes to see their flight delayed. When booking a flight from London to San Francisco consider choosing Air Canada(75%), Austrian Airlines(75%) or United Airlines(75%), as they are the most reliable in getting you off to your destination on time.
Can I find deals for flights from London to San Francisco that include hotel bookings?
Yes. In addition to deals on London to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to San Francisco.
Can I find deals for business class flights from London to San Francisco?
Yes. Cheapflights offers flight deals from London 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 to San Francisco?
Currently, February is the cheapest month in which you can book a flight from London to San Francisco (average of ₹ 57,857). Flying from London to San Francisco in December is currently the most expensive (average of ₹ 81,827). 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.

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

Deals for London to San Francisco flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to San Francisco.

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

Certainly. Search results for flights to San Francisco from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can now track prices for flights from London to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from London to San Francisco from ₹ 52,947

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to San Francisco

Cheapest flights from London to San FranciscoExplore the most affordable flight options available from London to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Explore the most affordable flight options available from London to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Best flights from London to San FranciscoDiscover carefully curated flight deals from London to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Discover carefully curated flight deals from London to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Direct flights from London to San FranciscoExplore direct flight options from London to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 October 2026.

Explore direct flight options from London to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 October 2026.

Last-minute flights from London to San FranciscoDiscover last-minute flight deals from London to San Francisco. Data last updated 6 October 2026 and is based on user searches.

Discover last-minute flight deals from London to San Francisco. Data last updated 6 October 2026 and is based on user searches.

One-way flights from London to San FranciscoSearch for one-way flight options from London to San Francisco. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Search for one-way flight options from London to San Francisco. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Find flight deals from London to San Francisco

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

Best time to book a flight from London to San Francisco

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

Cheapflights Insights

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

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

Find hourly flight availability from London to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 October 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to San Francisco as you normally would.

Weekly flight availability from London to San Francisco

Explore weekly flight availability from London to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 6 October 2026.

The most flights from LON to SFO are scheduled on a Monday (38 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (25 on average).

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

Airfare is below average for this route at the moment.

London to San Francisco flights typically cost between ₹ 54,969 and ₹ 77,688 in October.The cheapest return price found within the last 5 days was ₹ 54,584 on Alaska Airlines (31 Oct–16 Nov).

How often are flights from London to San Francisco delayed?

About 13% of weekly flights between London and San Francisco have experienced delays in the past year, with the average delay time being 144 minutes.

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

Friday 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.

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.

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

To ensure you get the cheapest price possible for a flight from London to San Francisco, you should look to book at least 22 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing San Francisco

Read through reviews of airlines operating flights from London to San Francisco, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from London to San Francisco?

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

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

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

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

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

Travelling to a place near San Francisco?

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Complete your trip

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Direct flights to California

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Search flights from London to San Francisco by cabin class

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London and San Francisco flights

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

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

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

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

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Cheapest flights from London to San Francisco
Explore the most affordable flight options available from London to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 October 2026.

Best flights from London to San Francisco
Discover carefully curated flight deals from London to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Direct flights from London to San Francisco
Explore direct flight options from London to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 October 2026.

Last-minute flights from London to San Francisco
Discover last-minute flight deals from London to San Francisco. Data last updated 6 October 2026 and is based on user searches.

One-way flights from London to San Francisco
Search for one-way flight options from London to San Francisco. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

London to San Francisco flights typically cost between ₹ 54,969 and ₹ 77,688 in October.
The cheapest return price found within the last 5 days was ₹ 54,584 on Alaska Airlines (31 Oct–16 Nov).