Question 1

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

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 California. <a href='/flight-routes/London-YXU/California-USCA'>Visit our flight page for the latest deals!>/a>

Question 2

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

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to California is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/London-YXU/California-USCA'>Visit our flight page for the latest deals!>/a>

Question 3

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

Accepted Answer

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 from London to California with an airline and back with another airline. <a href='/flight-routes/London-YXU/California-USCA'>Visit our flight page for the latest deals!>/a>

Question 4

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

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 from London to California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/London-YXU/California-USCA'>Visit our flight page for the latest deals!>/a>

Question 5

Which airlines provide the cheapest flights from London to California?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from London to California were found on Air Canada ($343) and WestJet ($366).

Question 6

Which airlines provide the cheapest flights from London to California?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from London to California were found on Air Canada ($343) and WestJet ($366).

Question 7

What is the cheapest month to fly from London to California?

Accepted Answer

The cheapest month for flights from London to California is June, when tickets cost $231 (return) on average. On the other hand, the most expensive months are February and March, when the average cost of round-trip tickets is $1,114 and $940 respectively.

Question 8

What is the cheapest month to fly from London to California?

Accepted Answer

The cheapest month for flights from London to California is June, when tickets cost $231 (return) on average. On the other hand, the most expensive months are February and March, when the average cost of round-trip tickets is $1,114 and $940 respectively.

Question 9

How long does a flight from London to California take?

Accepted Answer

The duration of a flight to California depends on your arrival airport. The shortest routes to California from London are to Los Angeles, which takes 8h 45m, San Francisco, which takes 8h 50m, and San Diego, which takes 11h 00m.

Question 10

How long does a flight from London to California take?

Accepted Answer

The duration of a flight to California depends on your arrival airport. The shortest routes to California from London are to Los Angeles, which takes 8h 45m, San Francisco, which takes 8h 50m, and San Diego, which takes 11h 00m.

Question 11

How much is a round-trip flight from London, Ontario to California?

Accepted Answer

Flight prices are below average for this route right now.Flights to California from London, Ontario usually cost between $604 and $518 in June.
The lowest price found in the past 3 days was $409 on Air Canada (Jun 4-Jun 8).

Low season	July
High season	August
Cheapest flight	$193

$193 Find Cheap Flights from London to California

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

Cheap Flights from London to California

Book Cheap London to California Plane Tickets

Recent round-trip flight deals from London to California

Recent one-way flight deals from London to California

Recent last minute flight deals from London to California

KAYAK's insights & trends for London to California flights

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

How much is a round-trip flight from London, Ontario to California?

What is the cheapest month to fly from London to California?

The cheapest month for flights from London to California is June, when tickets cost $231 (return) on average. On the other hand, the most expensive months are February and March, when the average cost of round-trip tickets is $1,114 and $940 respectively.

Which airlines provide the cheapest flights from London to California?

In the past 3 days, the cheapest round-trip tickets from London to California were found on Air Canada ($343) and WestJet ($366).

How long does a flight from London to California take?

The duration of a flight to California depends on your arrival airport. The shortest routes to California from London are to Los Angeles, which takes 8h 45m, San Francisco, which takes 8h 50m, and San Diego, which takes 11h 00m.

Good to know

FAQs - booking California flights

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

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 California.

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

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

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 from London to California with an airline and back with another airline.

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

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 from London to California 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 London to California

Information on your arrival and departure airports

Cabin class types available on flights to California

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

Flights to other popular destinations

Flights from other airports in London to California

Flights from London to popular cities in California

Find deals for your return flight