Which airlines fly to California?

Porter Airlines, Air Canada and United Airlines are the top three most popular airlines that fly to California from London, Ontario according to our data. Porter Airlines is the first choice among our users, with 40% of people opting to fly with this airline when travelling to California. Keep in mind that there are 10 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 3 as of May 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$ 193 Cheap Flights from London, Ontario to California in 2026

1 adult

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London, Ontario to California

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:10 a.m. - 12:00 p.m.

YXU

SFO

8h 50m

1 stop

6:00 a.m. - 5:20 a.m.

SFO

YXU

20h 20m

1 stop

C$ 325WestJet

Thu, 8 Oct - Tue, 13 Oct

6:10 a.m. - 4:00 p.m.

YXU

LAX

12h 50m

2 stops

4:55 p.m. - 5:20 a.m.

LAX

YXU

33h 25m

2 stops

C$ 365WestJet

Wed, 17 Jun - Wed, 24 Jun

5:40 a.m. - 12:34 p.m.

YXU

SFO

9h 54m

1 stop

11:10 a.m. - 9:20 a.m.

SFO

YXU

19h 10m

2 stops

C$ 467Air Canada

Thu, 8 Oct - Tue, 13 Oct

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

YXU

SAN

11h 00m

1 stop

3:30 p.m. - 5:20 a.m.

SAN

YXU

10h 50m

1 stop

C$ 521Delta

Tue, 22 Sep - Wed, 23 Sep

5:40 a.m. - 3:02 p.m.

YXU

SAN

12h 22m

2 stops

7:41 p.m. - 9:20 a.m.

SAN

YXU

10h 39m

2 stops

C$ 522Air Canada

Tue, 22 Sep - Wed, 23 Sep

3:30 p.m. - 9:56 a.m.

YXU

SNA

21h 26m

2 stops

3:25 p.m. - 2:55 p.m.

SNA

YXU

20h 30m

2 stops

C$ 532United Airlines

Sat, 22 Aug - Wed, 26 Aug

3:30 p.m. - 9:15 a.m.

YXU

SNA

20h 45m

3 stops

3:25 p.m. - 2:55 p.m.

SNA

YXU

20h 30m

2 stops

C$ 533United Airlines

Sat, 22 Aug - Wed, 26 Aug

5:55 p.m. - 5:10 p.m.

YXU

LAX

26h 15m

1 stop

8:27 p.m. - 5:20 a.m.

LAX

YXU

29h 53m

3 stops

C$ 590Multiple Airlines

Mon, 1 Jun - Mon, 8 Jun

6:10 a.m. - 12:25 p.m.

YXU

LAX

9h 15m

1 stop

1:27 p.m. - 5:20 a.m.

LAX

YXU

12h 53m

2 stops

C$ 611Multiple Airlines

Fri, 28 Aug - Sat, 5 Sep

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

YXU

SAN

11h 00m

1 stop

3:20 p.m. - 5:20 a.m.

SAN

YXU

11h 00m

2 stops

C$ 658Delta

Tue, 22 Sep - Wed, 23 Sep

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Air Canada flights from London, Ontario to California

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

Air Canada

22 Sep

YXU5:40 a.m.London

12h 22m

2 stops

SAN3:02 p.m.San Diego

23 Sep

SAN7:41 p.m.San Diego

10h 39m

2 stops

YXU9:20 a.m.London

C$ 522

Air Canada

8 Sep

YXU6:20 p.m.London

29h 12m

2 stops

PSP8:32 p.m.Palm Springs

12 Sep

PSP5:30 a.m.Palm Springs

9h 13m

2 stops

YXU5:43 p.m.London

C$ 543

Air Canada

8 Sep

YXU6:20 p.m.London

29h 12m

2 stops

PSP8:32 p.m.Palm Springs

12 Sep

PSP6:13 p.m.Palm Springs

12h 07m

2 stops

YXU9:20 a.m.London

C$ 544

United Airlines flights from London, Ontario to California

Our best United Airlines deals on London, Ontario to California flight tickets

United Airlines

22 Aug

YXU3:30 p.m.London

21h 26m

2 stops

SNA9:56 a.m.Santa Ana J. Wayne/Orange Cnty

26 Aug

SNA3:25 p.m.Santa Ana J. Wayne/Orange Cnty

20h 30m

2 stops

YXU2:55 p.m.London

C$ 532

United Airlines

22 Aug

YXU3:30 p.m.London

20h 45m

3 stops

SNA9:15 a.m.Santa Ana J. Wayne/Orange Cnty

26 Aug

SNA3:25 p.m.Santa Ana J. Wayne/Orange Cnty

20h 30m

2 stops

YXU2:55 p.m.London

C$ 533

United Airlines

22 Aug

YXU5:40 a.m.London

18h 11m

3 stops

SNA8:51 p.m.Santa Ana J. Wayne/Orange Cnty

26 Aug

SNA3:25 p.m.Santa Ana J. Wayne/Orange Cnty

20h 30m

2 stops

YXU2:55 p.m.London

C$ 535

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 8/10

6:10 a.m.-12:00 p.m.

1 stop8h 50m

San Francisco

Tue 13/10

6:00 a.m.-5:20 a.m.

1 stop20h 20m

C$ 325

LondonLos Angeles

YXU - LAX

YXULAX

London

Wed 17/6

6:10 a.m.-4:00 p.m.

2 stops12h 50m

Los Angeles

Wed 24/6

4:55 p.m.-5:20 a.m.

2 stops33h 25m

C$ 365

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 8/10

5:40 a.m.-12:34 p.m.

1 stop9h 54m

San Francisco

Tue 13/10

11:10 a.m.-9:20 a.m.

2 stops19h 10m

C$ 467

Quickest round-trip

LondonSan Diego

YXU - SAN

YXUSAN

London

Tue 22/9

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

1 stop11h 00m

San Diego

Wed 23/9

3:30 p.m.-5:20 a.m.

1 stop10h 50m

C$ 521

LondonSan Diego

YXU - SAN

YXUSAN

London

Tue 22/9

5:40 a.m.-3:02 p.m.

2 stops12h 22m

San Diego

Wed 23/9

7:41 p.m.-9:20 a.m.

2 stops10h 39m

C$ 522

LondonSanta Ana

YXU - SNA

YXUSNA

London

Sat 22/8

3:30 p.m.-9:56 a.m.

2 stops21h 26m

Santa Ana J. Wayne/Orange Cnty

Wed 26/8

3:25 p.m.-2:55 p.m.

2 stops20h 30m

C$ 532

LondonSanta Ana

YXU - SNA

YXUSNA

London

Sat 22/8

3:30 p.m.-9:15 a.m.

3 stops20h 45m

Santa Ana J. Wayne/Orange Cnty

Wed 26/8

3:25 p.m.-2:55 p.m.

2 stops20h 30m

C$ 533

LondonLos Angeles

YXU - LAX

YXULAX

London

Mon 1/6

5:55 p.m.-5:10 p.m.

1 stop26h 15m

Los Angeles

Mon 8/6

8:27 p.m.-5:20 a.m.

3 stops29h 53m

C$ 590

LondonLos Angeles

YXU - LAX

YXULAX

London

Fri 28/8

6:10 a.m.-12:25 p.m.

1 stop9h 15m

Los Angeles

Sat 5/9

1:27 p.m.-5:20 a.m.

2 stops12h 53m

C$ 611

LondonSan Diego

YXU - SAN

YXUSAN

London

Tue 22/9

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

1 stop11h 00m

San Diego

Wed 23/9

3:20 p.m.-5:20 a.m.

2 stops11h 00m

C$ 658

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 August. Flight prices, which tend to average around C$ 216, are often lower during this time because this is during the off-season. If you’re not able to fly to California in August, then May is your next best option. Flight prices from London, Ontario to California during May average around C$ 291.

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

You could potentially save up to 40% 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

Fastest flight time	8h 50m
Direct flights	None

The fastest flight from London, Ontario to California takes 8h 50m

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 3 as of May 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
WestJet	PriceFrom C$ 217	Free Cancellation	Rating 7.2 3,331 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 251	Free Cancellation	Rating 7.1 10,999 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 408	Free Cancellation	Rating 7.4 9,683 reviews	Search United Airlines 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.