Question 1

Which is the best airline for flights from London to San Francisco, KLM or Austrian Airlines?

Accepted Answer

The two airlines most popular with KAYAK users for flights from London to San Francisco are KLM and Austrian Airlines. With an average price for the route of £642 and an overall rating of 7.8, KLM is the most popular choice. Austrian Airlines is also a great choice for the route, with an average price of £511 and an overall rating of 7.6.

Question 2

How long does a flight from London to San Francisco take?

Accepted Answer

Direct flights take on average 10h 55m to travel the 5,358 miles between London and San Francisco.

Question 3

How many flights are there between London and San Francisco per day?

Accepted Answer

Each day, there are between 6 and 7 direct flights that take off from London and land in San Francisco, with an average flight time of 11h 02m. The most common departure time is 10:00 and most flights take off in the afternoon. Each week, there are 45 flights. The most frequent day of departure is Tuesday, when 16% of all weekly flights depart. The fewest flights depart on a Monday.

Question 4

What is the cheapest flight from London to San Francisco?

Accepted Answer

In the last 5 days, the lowest price for a flight from London to San Francisco was £355 for a one-way ticket and £436 for a return.

Question 5

Which airlines fly most frequently between London and San Francisco?

Accepted Answer

London and San Francisco are connected by different airlines. The airlines that fly that route the most regularly are United Airlines (21 flights per week), British Airways (14 flights per week), and Virgin Atlantic (10 flights per week).

Question 6

What’s the cheapest day of the week to fly from London to San Francisco?

Accepted Answer

Your flight ticket price will generally be cheaper if you fly to San Francisco on a Thursday and more expensive on a Sunday. On your return trip to London, you should consider flying back on a Wednesday, and avoid Tuesdays for better deals.

Question 7

Which airports will I be using when flying from London to San Francisco?

Accepted Answer

There are 6 airports in London (London City, London Gatwick, London Heathrow, London Luton, London Southend, and London Stansted.) and only 1 airport in San Francisco (San Francisco). The cheapest flights are generally found on the London Gatwick Airport to San Francisco flight route.

Question 8

What’s the earliest departure time from London to San Francisco?

Accepted Answer

Early birds can take the earliest flight from London at 10:35 and will be landing in San Francisco at 13:35.

Question 9

What’s the latest departure time from London to San Francisco?

Accepted Answer

If you prefer to fly at night, the latest flight from London to San Francisco jets off at 18:30 and lands at 21:25.

Question 10

Which airlines fly direct between London and San Francisco?

Accepted Answer

There are 13 airlines that fly direct from London to San Francisco. They are: Aer Lingus, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, United Airlines and Virgin Atlantic. The cheapest price of all airlines flying this route was found with Delta at £272 for a return flight. On average, the best prices for this route can be found at Austrian Airlines.

Question 11

Which airlines offer Wi-Fi service onboard planes from London to San Francisco?

Accepted Answer

Only KLM offers inflight Wi-Fi service on the London to San Francisco flight route.

Question 12

Which aircraft models fly most regularly from London to San Francisco?

Accepted Answer

The Boeing 787-9 Dreamliner is the aircraft model that flies most regularly on the London to San Francisco flight route.

Question 13

Which airline alliances offer flights from London to San Francisco?

Accepted Answer

oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between London and San Francisco, with oneworld being the most commonly used for this route.

Question 14

On which days can I fly direct from London to San Francisco?

Accepted Answer

There are direct flights from London to San Francisco on a daily basis.

Question 15

Is there a rail service linking San Francisco airport to the city centre?

Accepted Answer

The BART rail service links San Francisco airport with the city centre, running from 8am to midnight every day, with a frequency of every 20 mins. The BART also links the airport to the East Bay and San Mateo County. The SFO BART Station is located at the International Terminal in departures. To reach it from other terminals you can take the SFO AirTrain which links all terminals to each other. You can purchase a ticket at the BART station.

Question 16

What bus services are available at San Francisco airport?

Accepted Answer

SamTrans buses link San Francisco airport to the city centre, Palo Alto and San Mateo County. Lines stopping at the airport are SFO, ECR, 292, 397 and 398. It’s a 24-hour bus service, and you can hop on outside of Arrivals at Terminal 2 and 3, outside of International Terminal Level 1 and Curbside.

Question 17

Are there any onsite airport hotels available at San Francisco airport?

Accepted Answer

There are nap rooms available inside San Francisco airport, in the international terminal which are open 24 hours. The rate is $40 USD (about 32 GBP) per hour or $120 USD (about 95 GBP) for 8 hours. Alternatively, there are 5 hotels all within 5 minutes from the airport, and all offering free airport shuttle service.

Question 18

Where can I have a shower at San Francisco airport?

Accepted Answer

For a refreshing shower after a long flight from London to San Francisco, head to Freshen Up which is located in International Terminal level G. They are open 24 hours, and their rates start from $25 USD (about 20 GBP) for a Deluxe shower, which is a 30-minute shower and includes a towel, soap, shampoo, and other amenities on demand such as a hair dryer.

Question 19

What visa do I need to fly to San Francisco?

Accepted Answer

UK passengers will need to get a visa waiver through the Electronic System for Travel Authorization (ESTA) before they fly to San Francisco. You can make your ESTA application online through the US State Department website. You must have a valid British passport when you visit the United States.

Question 20

How can I hire a car at San Francisco International Airport?

Accepted Answer

Hiring a car at San Francisco International Airport is an easy and convenient way to start your trip. Car hire services are available at the Car Rental Center, which is connected to the airport terminals via the San Francisco AirTrain. To access the car hire centre, you should take the AirTrain blue line to the car hire stop. The AirTrain service at San Francisco Airport operates 24 hours.

Question 21

What is the cheapest month to fly from London to San Francisco?

Accepted Answer

The cheapest month for flights from London to San Francisco is February, where tickets cost £428 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is £631 and £610 respectively.

Question 22

How does KAYAK find such low prices on flights from London to San Francisco?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to San Francisco.

Question 23

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to San Francisco?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from London is likely to change within 7 days, so travelers know whether to wait or book now.

Question 24

What is the Hacker Fare option on flights from London to San Francisco?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to San Francisco with an airline and back to London with another airline.

Question 25

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to San Francisco?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Question 26

What is the cheapest stopover airport when flying from London to San Francisco?

Accepted Answer

Flights via Newark (EWR) offer the most affordable fares, with an average price of £396 for a return.

Question 27

What is the most popular stopover airport when flying from London to San Francisco?

Accepted Answer

Dublin (DUB) is the top choice – 28% of KAYAK users who clicked on one-stop flights from London to San Francisco picked an itinerary connecting there.

Question 28

Which stopover airport has the quickest connection when flying from London to San Francisco?

Accepted Answer

If you prefer a quick connection, Amsterdam (AMS) often has the shortest stopovers from London to San Francisco, with an average time of 1h 04m.

Question 29

Which stopover airport offers the shortest total travel time from London to San Francisco?

Accepted Answer

Consider flying via Amsterdam (AMS) for the shortest journey. The average one-way travel time for flights connecting there is 13h 15m.

Question 30

How often are flights from London to San Francisco delayed?

Accepted Answer

Weekly flights between London and San Francisco historically see delays in approximately 13% of cases, with the average delay over the past year being 142 minutes.

Question 31

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

Accepted Answer

Based on our data, Virgin Atlantic have experienced the fewest delays on this route in the past 12 months, with only about 11% of their flights encountering any delays.

Question 32

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

Accepted Answer

Statistically, Friday is the day of the week with the fewest delays on this flight route, while Wednesday has typically experienced more delays than other days.

Question 33

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

Accepted Answer

Typically, flights leaving in the morning tend to face fewer delays, whereas flights in the evening have historically encountered delays more often.

Question 34

Which cabin class options are there for flights between London and San Francisco?

Accepted Answer

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 35

Which airlines provide the cheapest flights from London to San Francisco?

Accepted Answer

In the past 5 days, the cheapest return tickets from London to San Francisco were found on Virgin Atlantic (£436) and TAP AIR PORTUGAL (£437).

Question 36

What is the cheapest London to San Francisco flight route?

Accepted Answer

The cheapest return flight from London to San Francisco costs £423 on the route between London Heathrow Airport (LHR) and San Francisco (SFO). It is also the most popular route.

Question 37

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

Accepted Answer

To get a below average price on the flight from London to San Francisco, you should book around 10 weeks before departure, which saves you about 22% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

Question 38

Can I save money by flying with a stopover from London to San Francisco?

Accepted Answer

No, with an average price for the route of £562, prices are generally cheapest when you fly direct.

Question 39

How much is a return flight from London to San Francisco?

Accepted Answer

Flight prices are typical for this route right now.Flights to San Francisco from London usually cost between £423 and £556 in November.
The lowest price found in the past 5 days was £436 on Virgin Atlantic (20 Nov–28 Nov).

Question 40

What are the most popular airlines flying to San Francisco?

Accepted Answer

The most popular airline among KAYAK users flying to San Francisco is Virgin Atlantic, followed by British Airways and Lufthansa.

Low season	January
High season	August
Cheapest flight	£355

LON - SFO

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Everything you should know

Cheap Flights from London to San Francisco (LON-SFO)

Recent return flight deals from London to San Francisco

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KAYAK’s insights & trends for London to San Francisco flights

How much is a return flight from London to San Francisco?

What is the cheapest London to San Francisco flight route?

What’s the cheapest day of the week to fly from London to San Francisco?

What is the cheapest month to fly from London to San Francisco?

Can I save money by flying with a stopover from London to San Francisco?

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

Which airlines provide the cheapest flights from London to San Francisco?

Which airlines fly most frequently between London and San Francisco?

Which airlines fly direct between London and 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 is the most popular stopover airport when flying from London to San Francisco?

What is the cheapest stopover airport when flying from London to San Francisco?

Which stopover airport offers the shortest total travel time from London to San Francisco?

Which stopover airport has the quickest connection when flying from London to San Francisco?

Which cabin class options are there for flights between London and San Francisco?

How many flights are there between London and San Francisco per day?

How long does a flight from London to San Francisco take?

What’s the earliest departure time from London to San Francisco?

What’s the latest departure time from London to San Francisco?

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