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Cheap Flights from London to San Francisco International

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Compare London to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

Book the best San Francisco International fare with no extra fees

Flight deals from London to San Francisco International

Looking for a cheap last-minute deal or the best return flight from London to San Francisco International? Find the lowest prices on one-way and return tickets right here.
San Francisco.Rs81,227 per passenger.Departing Mon, 12 May.One-way flight with LEVEL.Outbound indirect flight with LEVEL, departs from London Gatwick on Mon, 12 May, arriving in San Francisco International.Price includes taxes and charges.From Rs81,227, select.
San Francisco.Rs90,550 per passenger.Departing Thu, 5 Jun.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from London Southend on Thu, 5 Jun, arriving in San Francisco International.Price includes taxes and charges.From Rs90,550, select.
San Francisco.Rs102,844 per passenger.Departing Tue, 16 Sep.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from London Gatwick on Tue, 16 Sep, arriving in San Francisco International.Price includes taxes and charges.From Rs102,844, select.
San Francisco.Rs105,262 per passenger.Departing Thu, 28 Aug.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from London Stansted on Thu, 28 Aug, arriving in San Francisco International.Price includes taxes and charges.From Rs105,262, select.
San Francisco.Rs106,501 per passenger.Departing Mon, 6 Oct.One-way flight with LEVEL.Outbound indirect flight with LEVEL, departs from London Heathrow on Mon, 6 Oct, arriving in San Francisco International.Price includes taxes and charges.From Rs106,501, select.
San Francisco.Rs110,315 per passenger.Departing Wed, 11 Feb.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from London Luton on Wed, 11 Feb, arriving in San Francisco International.Price includes taxes and charges.From Rs110,315, select.
San Francisco.Rs112,388 per passenger.Departing Mon, 2 Mar.One-way flight with easyJet.Outbound indirect flight with easyJet, departs from London Luton on Mon, 2 Mar, arriving in San Francisco International.Price includes taxes and charges.From Rs112,388, select.
San Francisco.Rs113,321 per passenger.Departing Wed, 12 Nov.One-way flight with Wizz Air Malta.Outbound indirect flight with Wizz Air Malta, departs from London Gatwick on Wed, 12 Nov, arriving in San Francisco International.Price includes taxes and charges.From Rs113,321, select.

Find the cheapest month to fly from London to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to San Francisco International flights are currently cheapest in May.
May
from Rs81,227
Jun
from Rs90,550
Jul
from Rs114,975
Aug
from Rs105,262
Sep
from Rs102,844
Oct
from Rs106,501
Nov
from Rs113,321
Dec
from Rs123,663
Jan
from Rs118,984
Feb
from Rs110,315
Mar
from Rs112,388
Apr
from Rs175,230

Direct flights from London to San Francisco International

London to San Francisco International: Alternative routes

Compare routes from London to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

London to San Francisco: Flight information

The things to know before you go.
Cheapest flight foundRs81,227
Cheapest month to flyMay
Average flight time11 hrs, 6 mins
Most popular airlineAir New Zealand
Average flights per week562

Finding cheap flights from London to San Francisco International: Frequently asked questions

The best price we found for a return flight from London to San Francisco International is Rs123,347. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
11 hours and 6 minutes is the average flight time from London to San Francisco International.
Air New Zealand, KLM and Air Canada fly direct from London to San Francisco International.
As of May 2025, there are 281 flights per week flying from London to San Francisco International.
The cheapest month to fly from London to San Francisco International is usually May 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to San Francisco International Airport on Tuesday, 9 September 2025.
Yes – the average flight time is 11 hours and 6 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from London to San Francisco International Airport (SFO): what you need to know

  • London has plenty of airports to leave from. Check out your departure options from London Heathrow Airport (LHR) and London Gatwick Airport (LGW) when organising your flight from London to San Francisco International Airport (SFO). Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY) are the other main bases in the city.

  • 11 hours 7 minutes is the average journey time for a direct flight from London to San Francisco International Airport.

  • San Francisco International Airport is located in San Francisco. The city operates in the UTC-7 timezone and is 7 hours behind London.

  • With 62 direct weekly flights between the two airports, London Heathrow Airport (LHR) to San Francisco International Airport (SFO) is the most popular route. United operates the earliest flight at 10:05. If you prefer to make the most of your day before you fly, the latest flight from LHR to SFO is with Virgin Atlantic at 17:20.

  • Arrive at the airport on time so you don't miss your flight from London to SFO. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the mad dash to your gate.

  • During popular months such as July, it's a good idea to get to the airport even earlier. Plan to arrive two hours before domestic departures and four hours ahead for international flights when you travel during peak periods in general.

Airports in London

London Heathrow Airport (LHR)

  • You can jump on a direct flight from London to San Francisco International Airport (SFO) leaving from London Heathrow Airport (LHR).

  • Top airlines that have direct flights from London to San Francisco International Airport leaving from LHR include:

  • Stopovers are the perfect opportunity to take a break from travelling — and perhaps even explore another city. When searching for flights from London to SFO leaving from London Heathrow Airport (LHR), deselect the 'Direct flights only' box to see where you can visit along the way. Popular options include:

    • Seattle-Tacoma International Airport (SEA)

    • Hong Kong International Airport (HKG)

    • Portland International Airport (PDX)

  • The distance from central London to LHR is roughly 31 kilometres. Use travel apps like Google Maps for the quickest way to get there, whether in your own car or with public transport.

  • After an easy start to your holiday? Stay near London Heathrow Airport. Whether you've booked an early flight from London to San Francisco International Airport or want to avoid feeling rushed, these hotels are the answer:

London Gatwick Airport (LGW)

  • Searching for more options for a direct flight from London to San Francisco International Airport (SFO)? Browse the fares jetting out of London Gatwick Airport (LGW).

  • You can pick from a variety of airlines that operate direct flights from London to SFO departing from LGW. Take off with any of these carriers and skip the connections:

  • Get the most out of your holiday with a stopover on your flight from London to San Francisco International Airport. Visit family or friends or tick a new city off your list. Whatever you choose to do, here's where you can stop between London Gatwick Airport and SFO:

    • Chhatrapati Shivaji International Airport (BOM)

    • Kempegowda International Airport (BLR)

    • Seattle-Tacoma International Airport (SEA)

  • You can arrive at LGW from central London in approximately 1 hour and 19 minutes by car, depending on traffic. The ride by public transport will take roughly 1 hour and 26 minutes to cover the 80 kilometres or so.

  • You're off on holiday, so why not enjoy an additional night away? Think about staying at one of these accommodation options near London Gatwick Airport the day before your flight from London to SFO:

About San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport to the centre of San Francisco is around 20 minutes in a car. It's approximately 21 kilometres away. Find out what options are available, such as car rentals, cabs or ride-sharing.

  • It'll take around 47 minutes if you're using public transport.

How to find the cheapest flights from London to San Francisco International Airport (SFO)

  • The best price we've seen for a one-way ticket from London to San Francisco International Airport is Rs81,227. The cheapest price for a return flight is Rs123,347. Remember fares may change due to demand at the time of booking.

  • To secure cheap tickets from London to SFO, book your trip 1 month before your departure.

  • The cheapest month for tickets from London to San Francisco International Airport is October. Use the 'Whole month' tool to find the most affordable day to fly if you're flexible with your departure dates.

  • Create a Price Alert for flight tickets from London to SFO. You don't need to check back in every day to see if prices have dropped. We'll tell you when the price changes.

  • Use the filters to tailor your flights from London to San Francisco International Airport. Select your preferred arrival and departure times, airlines and number of stops. You can also sort your results by 'Cheapest' to get the best deals.

The best time to fly from London to San Francisco International Airport (SFO)

  • August is the busiest month to board a flight from London to San Francisco International Airport while February is the quietest. To work out the ideal time to visit San Francisco, consider whether you like a lively atmosphere or a quieter vibe.

  • Before you book a flight from London to SFO, think about the kind of weather you enjoy. September is the warmest month in San Francisco, with temperatures ranging from 12ºC to 22ºC.

  • If you like travelling in cooler conditions, look for a cheap flight from London to San Francisco International Airport in January when temperatures average between 6ºC and 16ºC.

More about San Francisco

  • Start your San Francisco trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from London to San Francisco International Airport, check out our range of hotels including:

  • One of the best ways to experience San Francisco is to check out its top attractions. Essential stops include Golden Gate Bridge, Alcatraz Island and Lombard Street.

Complete your San Francisco trip with a car rental

  • Exit all those tabs and leave the hard work to us. We've also got amazing deals on car rentals in San Francisco once you've booked your cheap flight from London to San Francisco International Airport. Instantly compare prices all in one place and drive away with a bargain that fits your budget.

Plan the rest of your trip from London to San Francisco

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.