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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from California 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 California 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 California 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 California 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 California 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>

$125 CHEAP FLIGHTS from California to London

YXU

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

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals

Cheap Flights from California to London

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from California 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.

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from California to London

Thu, Nov 27 - Fri, Dec 5

7:00 am - 7:12 pmLAX-YXU

9h 12m1 stop

8:10 pm - 10:03 pmYXU-LAX

28h 53m1 stop

$316WestJet

Find Deal

Thu, Nov 27 - Fri, Dec 5

11:50 am - 7:12 pmLAX-YXU

28h 22m2 stops

8:10 pm - 10:03 pmYXU-LAX

28h 53m1 stop

$333WestJet

Find Deal

Fri, Oct 31 - Fri, Nov 7

10:55 pm - 8:46 amLAX-YXU

6h 51m1 stop

5:15 am - 10:32 amYXU-LAX

8h 17m1 stop

$357Air Canada

Find Deal

Fri, Oct 31 - Fri, Nov 7

6:30 am - 9:21 pmLAX-YXU

11h 51m2 stops

5:15 am - 10:32 amYXU-LAX

8h 17m1 stop

$362Air Canada

Find Deal

Thu, Feb 19 - Mon, Feb 23

10:55 pm - 8:46 amLAX-YXU

6h 51m1 stop

9:25 am - 3:17 pmYXU-LAX

8h 52m1 stop

$366Air Canada

Find Deal

Thu, Feb 19 - Mon, Feb 23

10:55 pm - 8:46 amLAX-YXU

6h 51m1 stop

9:25 am - 8:50 pmYXU-LAX

14h 25m2 stops

$371Air Canada

Find Deal

Thu, Oct 30 - Thu, Nov 6

1:00 pm - 7:12 pmSFO-YXU

27h 12m1 stop

8:10 pm - 9:30 amYXU-SFO

40h 20m2 stops

$381Multiple Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

10:55 pm - 8:46 amLAX-YXU

6h 51m1 stop

5:45 am - 10:32 amYXU-LAX

7h 47m1 stop

$433United Airlines

Find Deal

Wed, Feb 18 - Mon, Feb 23

12:25 am - 5:05 pmLAX-YXU

13h 40m2 stops

9:25 am - 3:17 pmYXU-LAX

8h 52m1 stop

$442United Airlines

Find Deal

Mon, Sep 29 - Sat, Oct 4

6:35 am - 5:12 amSAN-YXU

19h 37m2 stops

6:00 am - 1:20 pmYXU-SAN

10h 20m1 stop

$460Multiple Airlines

Find Deal

Cheapest round-trip

$316

WestJet

Thu 11/27Fri 12/5

LAX - YXU • 1 stop

Cheapest one-way

$125

Multiple Airlines

Tue 11/18

SFO - YXU • 3 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to London!

Useful Info

Cheapest flight	$125

Flight from San Francisco to London

How does KAYAK find such low prices on flights from California 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 California to London.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to London?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from California 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 California 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 California with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California 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 California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Grand Bend

Everything you need to know for your flight to London

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in London

London (YXU)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

YXU

$125 Find Cheap Flights from California to London

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

Cheap Flights from California to London

Recent round-trip flight deals from California to London

Recent one-way flight deals from California to London

Recent last minute flight deals from California to London

Everything you should know

Good to know

FAQs for booking flights from California to London

How does KAYAK find such low prices on flights from California 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 California to London.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from California 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 California 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 California with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California 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 California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near London?

Everything you need to know for your flight to London

Information on the airport you'll fly into in London

Cabin class types available on flights to California

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

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