How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

How long does it take to fly from San Francisco International to London?

10 hours and 25 minutes is the average flight time from San Francisco International to London.

Which airlines fly direct from San Francisco International to London?

Air New Zealand, Iberia and Lufthansa fly direct from San Francisco International to London.

How many flights are there a week from San Francisco International to London?

There are 278 flights per week flying from San Francisco International to London, as of April 2024.

What's the cheapest airport to fly to in London?

If you're flying from San Francisco International Airport, the cheapest airport near London is London Heathrow – which is 14.2 miles away from the center of London. We've found flights to this airport from $557 .

Which upcoming date is cheapest to fly from San Francisco International Airport to London on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to London on Tuesday, April 30, 2024 .

Can I get a direct flight from San Francisco International Airport to London?

Yes – the average flight time is 10 hours and 25 minutes.

How can I get the best flight deal from San Francisco International Airport to London?

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 London 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.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

What’s the weather like in London?

In April, the average temperature is usually around 47°F. August is typically the warmest month in London, when it usually averages around 72°F. You can expect the least rain in March. The coldest month is January, with temperatures averaging 35°F. The rainiest month is October.

Which is the cheapest airline to fly with from San Francisco International Airport to London?

Currently, American Airlines and Iberia offer the cheapest flight tickets to London.

Cheap Flights from San Francisco International (SFO) to London (LON) from $557

Compare San Francisco International to London flight deals

Find the cheapest month or even day of the year to fly to London

Book the best London fare with no extra fees

Flight deals from San Francisco International to London

Looking for a cheap last-minute deal or the best round-trip flight from San Francisco International to London? Find the lowest prices on one-way and round-trip tickets right here.

London.$557 per passenger.Departing Tue, Apr 30, returning Thu, May 9.Round-trip flight with American Airlines.Outbound indirect flight with American Airlines, departing from San Francisco International on Tue, Apr 30, arriving in London Heathrow.Inbound indirect flight with American Airlines, departing from London Gatwick on Thu, May 9, arriving in San Francisco International.Price includes taxes and charges.From $557, select.

London.$558 per passenger.Departing Wed, May 1, returning Fri, May 10.Round-trip flight with American Airlines.Outbound indirect flight with American Airlines, departing from San Francisco International on Wed, May 1, arriving in London Heathrow.Inbound indirect flight with American Airlines, departing from London Gatwick on Fri, May 10, arriving in San Francisco International.Price includes taxes and charges.From $558, select.

London.$560 per passenger.Departing Tue, Oct 15, returning Thu, Oct 31.Round-trip flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departing from San Francisco International on Tue, Oct 15, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departing from London Gatwick on Thu, Oct 31, arriving in San Francisco International.Price includes taxes and charges.From $560, select.

London.$562 per passenger.Departing Wed, Feb 19, returning Wed, Mar 5.Round-trip flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departing from San Francisco International on Wed, Feb 19, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departing from London Heathrow on Wed, Mar 5, arriving in San Francisco International.Price includes taxes and charges.From $562, select.

Stay one step ahead. Find the best value travel with the latest deals, tips and news.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to London flights are currently cheapest in May.

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Direct flights from San Francisco International to London

Alternative San Francisco International to London routes

Looking for the cheapest, fastest or easiest route from San Francisco International to London? You could fly into the following airports instead.

San Francisco to London: Flight information

The things to know before you go.

Cheapest flight found	$557
Cheapest month to fly	April
Average flight time	10 hrs, 25 mins
Most popular airline	Air New Zealand
Average flights per week	273

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

: There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
: The best price we found for a round-trip flight from San Francisco International to London is $557. 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.
: 10 hours and 25 minutes is the average flight time from San Francisco International to London.
: Air New Zealand, Iberia and Lufthansa fly direct from San Francisco International to London.
: There are 278 flights per week flying from San Francisco International to London, as of April 2024.
: The cheapest month to fly from San Francisco International to London is usually April.
: If you're flying from San Francisco International Airport, the cheapest airport near London is London Heathrow – which is 14.2 miles away from the center of London. We've found flights to this airport from $557.
: After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to London on Tuesday, April 30, 2024.
: Yes – the average flight time is 10 hours and 25 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 London 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 London is around 40 days in advance, so don’t leave your flight to the last minute.
: In April, the average temperature is usually around 47°F. August is typically the warmest month in London, when it usually averages around 72°F. You can expect the least rain in March. The coldest month is January, with temperatures averaging 35°F. The rainiest month is October.
: Currently, American Airlines and Iberia offer the cheapest flight tickets to London.

How to find cheap flights to London from San Francisco International

Looking for cheap tickets from San Francisco International to London? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit "search." From Delta Air Lines to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from San Francisco International to London. And with us, there are no hidden fees – what you see is what you pay.
Compare flight deals to London from San Francisco International from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys.
Flex your dates to find the best San Francisco International–London ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to London from San Francisco International.
Set up a Price Alert. You can easily track the fare of your cheap San Francisco International–London flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Fly without stops. Only interested in direct flights between San Francisco International and London? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available on the route, these will appear in the results.
Find the cheapest Business Class flights from San Francisco International and London. We scour the Internet for the best Business, Premium Economy and First Class flight fares to London, too. Check the difference in price as you search – you might just stumble on a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for San Francisco International to London flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save the next time you travel.

Combine your flight to London from San Francisco International with hotels and car rental

Once you've secured your cheap flight ticket from San Francisco International to London, discover the best prices and exclusive rates for hotels in London or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip.

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