Which airlines fly to California?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to California from London, Ontario according to our data. Air Canada is the first choice among our users, with 45% of people opting to fly with this airline when travelling to California. Keep in mind that there are 9 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from London to California?

WestJet, Air Canada, and United Airlines are the most popular carriers operating from London to California

When did momondo last update prices for flights from London Airport to California?

Prices for flights from London Airport to California refresh daily.

How many operators does momondo search for flights from London Airport to California?

The number of operators available for flights from London Airport to California is 1 as of November 2026.

How old do you have to be to fly from London Airport to California?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to California.

What documentation or ID do you need to fly to California?

The travel and health documents required for your trip to California can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 272 Cheap Flights from London, Ontario to California in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London, Ontario to California

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:40 a.m. - 5:45 p.m.YXU London-LAX Los Angeles

14h 05m2 stops Calgary Edmonton

5:00 p.m. - 5:35 a.m.LAX Los Angeles-YXU London

9h 35m1 stop Calgary

C$ 460WestJet

Fri, 15 Jan - Mon, 18 Jan

6:40 a.m. - 5:45 p.m.YXU London-LAX Los Angeles

14h 05m2 stops Calgary Edmonton

5:00 p.m. - 5:35 a.m.LAX Los Angeles-YXU London

9h 35m1 stop Calgary

C$ 460WestJet

Fri, 22 Jan - Mon, 25 Jan

3:20 p.m. - 9:34 p.m.YXU London-LAX Los Angeles

9h 14m1 stop Toronto Pearson Intl

11:30 a.m. - 9:52 p.m.LAX Los Angeles-YXU London

7h 22m1 stop Toronto Pearson Intl

C$ 483Air Canada

Fri, 15 Jan - Mon, 18 Jan

6:40 a.m. - 4:10 p.m.YXU London-LAX Los Angeles

12h 30m1 stop Calgary

5:00 p.m. - 5:35 a.m.LAX Los Angeles-YXU London

9h 35m1 stop Calgary

C$ 497WestJet

Fri, 22 Jan - Mon, 25 Jan

6:40 a.m. - 9:20 p.m.YXU London-LAX Los Angeles

17h 40m1 stop Calgary

5:00 p.m. - 5:35 a.m.LAX Los Angeles-YXU London

9h 35m1 stop Calgary

C$ 513WestJet

Mon, 11 Jan - Sun, 31 Jan

6:40 a.m. - 9:20 p.m.YXU London-LAX Los Angeles

17h 40m1 stop Calgary

5:00 p.m. - 5:35 a.m.LAX Los Angeles-YXU London

9h 35m1 stop Calgary

C$ 513WestJet

Thu, 14 Jan - Mon, 1 Feb

6:40 a.m. - 9:20 p.m.YXU London-LAX Los Angeles

17h 40m1 stop Calgary

5:00 p.m. - 5:35 a.m.LAX Los Angeles-YXU London

9h 35m1 stop Calgary

C$ 513WestJet

Thu, 14 Jan - Sun, 31 Jan

6:40 a.m. - 5:45 p.m.YXU London-LAX Los Angeles

14h 05m2 stops Calgary Edmonton

6:00 p.m. - 6:35 a.m.LAX Los Angeles-YXU London

9h 35m1 stop Calgary

C$ 514WestJet

Fri, 12 Mar - Sun, 14 Mar

6:40 a.m. - 11:15 a.m.YXU London-LAX Los Angeles

31h 35m1 stop Calgary

5:00 p.m. - 5:35 a.m.LAX Los Angeles-YXU London

9h 35m1 stop Calgary

C$ 517WestJet

Thu, 14 Jan - Sun, 31 Jan

9:15 a.m. - 3:29 p.m.YXU London-LAX Los Angeles

9h 14m1 stop Toronto Pearson Intl

6:10 p.m. - 2:42 p.m.LAX Los Angeles-YXU London

17h 32m2 stops Vancouver Intl Toronto Pearson Intl

C$ 527Air Canada

Thu, 14 Jan - Mon, 1 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

6:40 a.m. - 3:50 p.m.YXU London-SFO San Francisco

12h 10m1 stop Calgary

4:40 p.m. - 5:35 a.m.SFO San Francisco-YXU London

9h 55m1 stop Calgary

C$ 900WestJet

Mon, 9 Nov - Thu, 19 Nov

3:25 p.m. - 9:30 p.m.YXU London-SFO San Francisco

9h 05m1 stop Toronto Pearson Intl

8:10 a.m. - 8:27 p.m.SFO San Francisco-YXU London

9h 17m1 stop Toronto Pearson Intl

C$ 967Air Canada

Mon, 9 Nov - Thu, 19 Nov

3:25 p.m. - 9:30 p.m.YXU London-SFO San Francisco

9h 05m1 stop Toronto Pearson Intl

6:42 p.m. - 2:42 p.m.SFO San Francisco-YXU London

17h 00m2 stops Chicago O'Hare Intl Toronto Pearson Intl

C$ 967United Airlines

Mon, 9 Nov - Sun, 22 Nov

3:25 p.m. - 9:30 p.m.YXU London-SFO San Francisco

9h 05m1 stop Toronto Pearson Intl

8:10 a.m. - 8:27 p.m.SFO San Francisco-YXU London

9h 17m1 stop Toronto Pearson Intl

C$ 967United Airlines

Mon, 9 Nov - Thu, 19 Nov

9:15 a.m. - 3:40 p.m.YXU London-SFO San Francisco

9h 25m1 stop Toronto Pearson Intl

8:25 a.m. - 8:27 p.m.SFO San Francisco-YXU London

9h 02m1 stop Toronto Pearson Intl

C$ 998Air Canada

Sun, 8 Nov - Wed, 18 Nov

9:05 p.m. - 9:29 a.m.YXU London-SFO San Francisco

15h 24m1 stop Toronto Pearson Intl

8:10 a.m. - 8:27 p.m.SFO San Francisco-YXU London

9h 17m1 stop Toronto Pearson Intl

C$ 1,017Air Canada

Sun, 8 Nov - Wed, 18 Nov

9:15 a.m. - 8:03 p.m.YXU London-SFO San Francisco

13h 48m1 stop Toronto Pearson Intl

8:10 a.m. - 8:27 p.m.SFO San Francisco-YXU London

9h 17m1 stop Toronto Pearson Intl

C$ 1,017United Airlines

Mon, 9 Nov - Thu, 19 Nov

9:05 p.m. - 9:29 a.m.YXU London-SFO San Francisco

15h 24m1 stop Toronto Pearson Intl

12:55 a.m. - 2:42 p.m.SFO San Francisco-YXU London

10h 47m2 stops Chicago O'Hare Intl Toronto Pearson Intl

C$ 1,017United Airlines

Sun, 8 Nov - Tue, 17 Nov

9:05 p.m. - 3:35 p.m.YXU London-SFO San Francisco

21h 30m2 stops Toronto Pearson Intl Chicago O'Hare Intl

12:55 a.m. - 8:27 p.m.SFO San Francisco-YXU London

16h 32m2 stops Chicago O'Hare Intl Toronto Pearson Intl

C$ 1,026United Airlines

Sun, 8 Nov - Tue, 17 Nov

9:15 a.m. - 9:29 p.m.YXU London-SFO San Francisco

15h 14m2 stops Toronto Pearson Intl Washington, D.C. Dulles Intl

8:10 a.m. - 8:27 p.m.SFO San Francisco-YXU London

9h 17m1 stop Toronto Pearson Intl

C$ 1,026United Airlines

Mon, 9 Nov - Thu, 19 Nov

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WestJet flights from London, Ontario to California

Our best WestJet deals on London, Ontario to California flight tickets

WestJet

15 Jan

YXU6:40 a.m.London

14h 05m

2 stops

LAX5:45 p.m.Los Angeles

18 Jan

LAX5:00 p.m.Los Angeles

9h 35m

1 stop

YXU5:35 a.m.London

C$ 460

WestJet

22 Jan

YXU6:40 a.m.London

12h 30m

1 stop

LAX4:10 p.m.Los Angeles

25 Jan

LAX5:00 p.m.Los Angeles

9h 35m

1 stop

YXU5:35 a.m.London

C$ 497

WestJet

14 Jan

YXU6:40 a.m.London

17h 40m

1 stop

LAX9:20 p.m.Los Angeles

1 Feb

LAX5:00 p.m.Los Angeles

9h 35m

1 stop

YXU5:35 a.m.London

C$ 513

Air Canada flights from London, Ontario to California

Our best Air Canada deals on London, Ontario to California flight tickets

Air Canada

15 Jan

YXU3:20 p.m.London

9h 14m

1 stop

LAX9:34 p.m.Los Angeles

18 Jan

LAX11:30 a.m.Los Angeles

7h 22m

1 stop

YXU9:52 p.m.London

C$ 483

Air Canada

14 Jan

YXU9:15 a.m.London

9h 14m

1 stop

LAX3:29 p.m.Los Angeles

1 Feb

LAX6:10 p.m.Los Angeles

17h 32m

2 stops

YXU2:42 p.m.London

C$ 527

Air Canada

14 Jan

YXU9:15 a.m.London

15h 24m

2 stops

LAX9:39 p.m.Los Angeles

1 Feb

LAX6:10 p.m.Los Angeles

17h 32m

2 stops

YXU2:42 p.m.London

C$ 532

momondo Fare Finder

Use the filters below to find and compare flights from London, Ontario to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonLos Angeles

YXU London - LAX Los Angeles

YXULAX

London

Fri 15/1

6:40 a.m.-5:45 p.m.

2 stops14h 05m

Los Angeles

Mon 18/1

5:00 p.m.-5:35 a.m.

1 stop9h 35m

C$ 460

LondonLos Angeles

YXU London - LAX Los Angeles

YXULAX

London

Fri 22/1

6:40 a.m.-5:45 p.m.

2 stops14h 05m

Los Angeles

Mon 25/1

5:00 p.m.-5:35 a.m.

1 stop9h 35m

C$ 460

Quickest round-trip

LondonLos Angeles

YXU London - LAX Los Angeles

YXULAX

London

Fri 15/1

3:20 p.m.-9:34 p.m.

1 stop9h 14m

Los Angeles

Mon 18/1

11:30 a.m.-9:52 p.m.

1 stop7h 22m

C$ 483

LondonLos Angeles

YXU London - LAX Los Angeles

YXULAX

London

Fri 22/1

6:40 a.m.-4:10 p.m.

1 stop12h 30m

Los Angeles

Mon 25/1

5:00 p.m.-5:35 a.m.

1 stop9h 35m

C$ 497

LondonLos Angeles

YXU London - LAX Los Angeles

YXULAX

London

Mon 11/1

6:40 a.m.-9:20 p.m.

1 stop17h 40m

Los Angeles

Sun 31/1

5:00 p.m.-5:35 a.m.

1 stop9h 35m

C$ 513

LondonLos Angeles

YXU London - LAX Los Angeles

YXULAX

London

Thu 14/1

6:40 a.m.-9:20 p.m.

1 stop17h 40m

Los Angeles

Mon 1/2

5:00 p.m.-5:35 a.m.

1 stop9h 35m

C$ 513

LondonLos Angeles

YXU London - LAX Los Angeles

YXULAX

London

Thu 14/1

6:40 a.m.-9:20 p.m.

1 stop17h 40m

Los Angeles

Sun 31/1

5:00 p.m.-5:35 a.m.

1 stop9h 35m

C$ 513

LondonLos Angeles

YXU London - LAX Los Angeles

YXULAX

London

Fri 12/3

6:40 a.m.-5:45 p.m.

2 stops14h 05m

Los Angeles

Sun 14/3

6:00 p.m.-6:35 a.m.

1 stop9h 35m

C$ 514

LondonLos Angeles

YXU London - LAX Los Angeles

YXULAX

London

Thu 14/1

6:40 a.m.-11:15 a.m.

1 stop31h 35m

Los Angeles

Sun 31/1

5:00 p.m.-5:35 a.m.

1 stop9h 35m

C$ 517

LondonLos Angeles

YXU London - LAX Los Angeles

YXULAX

London

Thu 14/1

9:15 a.m.-3:29 p.m.

1 stop9h 14m

Los Angeles

Mon 1/2

6:10 p.m.-2:42 p.m.

2 stops17h 32m

C$ 527

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London, Ontario to California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to California?

The cheapest month to fly to California from London, Ontario is in January. Flight prices, which tend to average around C$ 422, are often lower during this time because this is during the off-season. If you’re not able to fly to California in January, then April is your next best option. Flight prices from London, Ontario to California during April average around C$ 481.

Can stopping save me money on London, Ontario to California flights?

You could potentially save up to 9% on your flight if you consider stops on a London, Ontario to California flight.

Cheap London, Ontario to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to California

Best price found	C$ 272
Fastest flight time	9h 00m
Direct flights	None

The best one-way flight to California from London, Ontario in the past 72 hours is C$ 272. The best round-trip flight deal from London, Ontario to California found on momondo in the last 72 hours is C$ 460.

The fastest flight from London, Ontario to California takes 9h 00m

There are no direct flights from London, Ontario to California. There are no popular flight routes from London, Ontario to California.

Search flight deals

Frequently asked questions about flying from London, Ontario to California

When did momondo last update prices for flights from London Airport to California?
Prices for flights from London Airport to California refresh daily.
How many operators does momondo search for flights from London Airport to California?
The number of operators available for flights from London Airport to California is 1 as of November 2026.
How old do you have to be to fly from London Airport to California?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to California.
What documentation or ID do you need to fly to California?
The travel and health documents required for your trip to California can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from London, Ontario to California

Compare and see reviews for airlines that fly from London, Ontario to California with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 565	Free Cancellation	Rating 7.1 11,863 reviews		Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from London to California?

It is quick and easy to find London to California flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to California that suits you.

Can I find flights from London to California with flexible booking policies on momondo?

Flights from London to California with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to California?

Once all potential London to California flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to California right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to California flights. All you need is a valid email address and we will do the rest; it is that quick and easy.