What is the cheapest flight from San Francisco to London?

In the last 3 days, the lowest price for a flight from San Francisco to London was C$ 177 for a one-way ticket and C$ 326 for a round-trip. Visit our flight page for the latest deals!>/a>

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

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from San Francisco to London?

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

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

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 San Francisco to London. Visit our flight page for the latest deals!>/a>

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

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

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

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to San Francisco with another airline. Visit our flight page for the latest deals!>/a>

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

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 London from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

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

In the past 3 days, the cheapest round-trip tickets from San Francisco to London were found on WestJet (C$ 451) and United Airlines (C$ 580).

C$ 245 CHEAP FLIGHTS from San Francisco to London (SFO - YXU)

SFO - YXU

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Flights Deals

Cheap Flight Deals from San Francisco to London (SFO-YXU)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Recent round-trip flight deals from San Francisco to London

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Francisco to London.

Discover the best prices for you by selecting your travel dates on KAYAK.

2:45 p.m. - 5:14 a.m.SFO-YXU

11h 29m2 stops

6:00 a.m. - 1:59 p.m.YXU-SFO

10h 59m2 stops

C$ 451WestJet

Find Deal

sáb., 23 ago. - dom., 31 ago.

2:45 p.m. - 5:14 a.m.SFO-YXU

11h 29m2 stops

6:00 a.m. - 11:56 a.m.YXU-SFO

8h 56m1 stop

C$ 454WestJet

Find Deal

sáb., 23 ago. - dom., 31 ago.

11:00 p.m. - 9:17 a.m.SFO-YXU

7h 17m1 stop

6:00 a.m. - 11:56 a.m.YXU-SFO

8h 56m1 stop

C$ 468

Find Deal

sáb., 23 ago. - dom., 31 ago.

6:05 p.m. - 5:14 a.m.SFO-YXU

8h 09m1 stop

6:00 a.m. - 12:05 p.m.YXU-SFO

9h 05m1 stop

C$ 493WestJet

Find Deal

mar., 10 jun. - mar., 17 jun.

2:45 p.m. - 5:14 a.m.SFO-YXU

11h 29m2 stops

6:00 a.m. - 12:05 p.m.YXU-SFO

9h 05m1 stop

C$ 500WestJet

Find Deal

mar., 10 jun. - mar., 17 jun.

2:45 p.m. - 5:14 a.m.SFO-YXU

11h 29m2 stops

6:00 a.m. - 1:59 p.m.YXU-SFO

10h 59m2 stops

C$ 507WestJet

Find Deal

mar., 10 jun. - mar., 17 jun.

12:43 a.m. - 9:27 p.m.SFO-YXU

17h 44m2 stops

6:15 a.m. - 1:03 p.m.YXU-SFO

9h 48m1 stop

C$ 580United Airlines

Find Deal

vie., 22 ago. - dom., 31 ago.

4:50 p.m. - 9:18 a.m.SFO-YXU

13h 28m1 stop

6:15 a.m. - 10:48 a.m.YXU-SFO

7h 33m1 stop

C$ 595United Airlines

Find Deal

sáb., 14 jun. - sáb., 21 jun.

8:45 p.m. - 9:28 p.m.SFO-YXU

21h 43m2 stops

6:15 a.m. - 10:48 a.m.YXU-SFO

7h 33m1 stop

C$ 609United Airlines

Find Deal

sáb., 14 jun. - sáb., 21 jun.

8:45 p.m. - 9:28 p.m.SFO-YXU

21h 43m2 stops

6:15 a.m. - 9:15 p.m.YXU-SFO

18h 00m2 stops

C$ 630United Airlines

Find Deal

sáb., 14 jun. - sáb., 21 jun.

Useful Info

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

Get data-powered insights and trends into flights from San Francisco to London to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

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

The cheapest month for flights from San Francisco to London is March, where tickets cost C$ 199 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is C$ 1,146 and C$ 1,123 respectively.

Find deals

Low season	April
High season	June
Cheapest flight	C$ 245

Best time to beat the crowds (32% less expensive on average)

Most popular time to fly (85% more expensive on average)

Flight from San Francisco to London

When to book flights from San Francisco to London

Are your dates flexible? Find out the best times to travel from San Francisco to London based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from San Francisco to London?
In the last 3 days, the lowest price for a flight from San Francisco to London was C$ 177 for a one-way ticket and C$ 326 for a round-trip.
Which aircraft models fly most regularly from San Francisco to London?
We unfortunately don’t have that data for this specific route.
Which airline alliances offer flights from San Francisco to London?
Star Alliance, and SkyTeam are the airline alliances operating flights between San Francisco and London, with Star Alliance being the most commonly used for this route.
How does KAYAK find such low prices on flights from San Francisco to London?
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 San Francisco to London.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to London?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from San Francisco to London?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to San Francisco with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to London?
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 London from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from San Francisco to London

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

London (YXU)

San Francisco (SFO)

SFO - YXU

C$ 245 Find Cheap Flights from San Francisco to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

Cheap Flight Deals from San Francisco to London (SFO-YXU)

Recent round-trip flight deals from San Francisco to London

Recent one-way flight deals from San Francisco to London

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

Get data-powered insights and trends into flights from San Francisco to London to help you find the cheapest flights, the best time to fly and much more.

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

The cheapest month for flights from San Francisco to London is March, where tickets cost C$ 199 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is C$ 1,146 and C$ 1,123 respectively.

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

In the past 3 days, the cheapest round-trip tickets from San Francisco to London were found on WestJet (C$ 451) and United Airlines (C$ 580).

Good to know

When to book flights from San Francisco to London

FAQs for booking flights from San Francisco to London

What is the cheapest flight from San Francisco to London?

In the last 3 days, the lowest price for a flight from San Francisco to London was C$ 177 for a one-way ticket and C$ 326 for a round-trip.

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

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from San Francisco to London?

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

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

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 San Francisco to London.

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

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

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

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

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

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 London from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from San Francisco to London

Information on your arrival and departure airports

Cabin class types available on flights from San Francisco to London

Complete your trip to London with a hotel stay or car rental

Find direct flights to and from San Francisco and London

Flights to other popular destinations

Flights from domestic origins to London

Choose which airport to fly into in London

Find deals for your return flight