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Cheap flights from London, Ontario to California from C$ 217

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to California departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London, Ontario to California

Cheap round-trip flights

WestJet Logo
6:00 a.m. - 8:21 p.m.YXU-LAS
17h 21m2 stops
WestJet Logo
6:20 p.m. - 5:12 a.m.LAS-YXU
7h 52m1 stop
C$ 343WestJet
Find Deal
Sun, 12 Oct - Fri, 17 Oct
WestJet Logo
6:00 a.m. - 8:21 p.m.YXU-LAS
17h 21m2 stops
WestJet Logo
1:25 p.m. - 5:12 a.m.LAS-YXU
12h 47m2 stops
C$ 348WestJet
Find Deal
Sun, 12 Oct - Fri, 17 Oct
WestJet Logo
8:00 p.m. - 5:34 p.m.YXU-LAS
24h 34m1 stop
WestJet Logo
6:20 p.m. - 5:12 a.m.LAS-YXU
7h 52m1 stop
C$ 349WestJet
Find Deal
Sun, 12 Oct - Fri, 17 Oct
WestJet Logo
6:00 a.m. - 8:21 p.m.YXU-LAS
17h 21m2 stops
WestJet Logo
6:20 p.m. - 5:12 a.m.LAS-YXU
7h 52m1 stop
C$ 351WestJet
Find Deal
Sun, 12 Oct - Fri, 17 Oct
Air Canada Logo
9:25 a.m. - 8:49 p.m.YXU-LAS
14h 24m2 stops
Air Canada Logo
11:30 p.m. - 8:46 a.m.LAS-YXU
6h 16m1 stop
C$ 426Air Canada
Find Deal
Mon, 23 Feb - Fri, 27 Feb
Air Canada Logo
5:40 p.m. - 10:31 p.m.YXU-LAS
7h 51m1 stop
Air Canada Logo
11:30 p.m. - 8:46 a.m.LAS-YXU
6h 16m1 stop
C$ 429Air Canada
Find Deal
Mon, 23 Feb - Fri, 27 Feb
United Airlines Logo
6:15 a.m. - 9:57 p.m.YXU-LAS
18h 42m2 stops
United Airlines Logo
6:22 p.m. - 3:02 p.m.LAS-YXU
17h 40m3 stops
C$ 472United Airlines
Find Deal
Sun, 12 Oct - Fri, 17 Oct
United Airlines Logo
9:25 a.m. - 3:17 p.m.YXU-LAX
8h 52m1 stop
United Airlines Logo
12:30 a.m. - 9:21 p.m.LAX-YXU
17h 51m2 stops
C$ 492United Airlines
Find Deal
Fri, 16 Jan - Sat, 24 Jan
Multiple Airlines Logo
8:10 p.m. - 11:00 a.m.YXU-LAX
17h 50m2 stops
Multiple Airlines Logo
10:50 a.m. - 7:12 p.m.LAX-YXU
29h 22m3 stops
C$ 528Multiple Airlines
Find Deal
Fri, 14 Nov - Mon, 1 Dec
Multiple Airlines Logo
6:00 a.m. - 8:21 p.m.YXU-LAS
17h 21m3 stops
Multiple Airlines Logo
7:30 p.m. - 5:12 a.m.LAS-YXU
30h 42m3 stops
C$ 561Multiple Airlines
Find Deal
Sun, 12 Oct - Fri, 17 Oct

Air Canada flights from London, Ontario to California

Our best Air Canada deals on London, Ontario to California flight tickets
Air Canada
23 Feb
YXU9:25 a.m.London
14h 24m
2 stops
LAS8:49 p.m.Las Vegas Harry Reid Intl
27 Feb
LAS11:30 p.m.Las Vegas Harry Reid Intl
6h 16m
1 stop
YXU8:46 a.m.London
C$ 426
Find similar
Air Canada
23 Feb
YXU5:40 p.m.London
7h 51m
1 stop
LAS10:31 p.m.Las Vegas Harry Reid Intl
27 Feb
LAS11:30 p.m.Las Vegas Harry Reid Intl
6h 16m
1 stop
YXU8:46 a.m.London
C$ 429
Find similar
Air Canada
16 Jan
YXU9:25 a.m.London
8h 52m
1 stop
LAX3:17 p.m.Los Angeles
18 Feb
LAX10:55 p.m.Los Angeles
6h 51m
1 stop
YXU8:46 a.m.London
C$ 450
Find similar

United Airlines flights from London, Ontario to California

Our best United Airlines deals on London, Ontario to California flight tickets
United Airlines
12 Oct
YXU6:15 a.m.London
18h 42m
2 stops
LAS9:57 p.m.Las Vegas Harry Reid Intl
17 Oct
LAS6:22 p.m.Las Vegas Harry Reid Intl
17h 40m
3 stops
YXU3:02 p.m.London
C$ 472
Find similar
United Airlines
16 Jan
YXU9:25 a.m.London
8h 52m
1 stop
LAX3:17 p.m.Los Angeles
24 Jan
LAX12:30 a.m.Los Angeles
17h 51m
2 stops
YXU9:21 p.m.London
C$ 492
Find similar
United Airlines
16 Jan
YXU5:40 p.m.London
10h 19m
2 stops
LAX12:59 a.m.Los Angeles
24 Jan
LAX12:30 a.m.Los Angeles
13h 35m
2 stops
YXU5:05 p.m.London
C$ 501
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 17 September 2025.
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

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 12/10

6:00 a.m.-8:21 p.m.

2 stops17h 21m

Las Vegas Harry Reid Intl

Fri 17/10

6:20 p.m.-5:12 a.m.

1 stop7h 52m

C$ 343

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 12/10

6:00 a.m.-8:21 p.m.

2 stops17h 21m

Las Vegas Harry Reid Intl

Fri 17/10

1:25 p.m.-5:12 a.m.

2 stops12h 47m

C$ 348

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 12/10

8:00 p.m.-5:34 p.m.

1 stop24h 34m

Las Vegas Harry Reid Intl

Fri 17/10

6:20 p.m.-5:12 a.m.

1 stop7h 52m

C$ 349

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 12/10

6:00 a.m.-8:21 p.m.

2 stops17h 21m

Las Vegas Harry Reid Intl

Fri 17/10

6:20 p.m.-5:12 a.m.

1 stop7h 52m

C$ 351

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 23/2

9:25 a.m.-8:49 p.m.

2 stops14h 24m

Las Vegas Harry Reid Intl

Fri 27/2

11:30 p.m.-8:46 a.m.

1 stop6h 16m

C$ 426

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 23/2

5:40 p.m.-10:31 p.m.

1 stop7h 51m

Las Vegas Harry Reid Intl

Fri 27/2

11:30 p.m.-8:46 a.m.

1 stop6h 16m

C$ 429

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 12/10

6:15 a.m.-9:57 p.m.

2 stops18h 42m

Las Vegas Harry Reid Intl

Fri 17/10

6:22 p.m.-3:02 p.m.

3 stops17h 40m

C$ 472

LondonLos Angeles

YXU - LAX

YXULAX

London

Fri 16/1

9:25 a.m.-3:17 p.m.

1 stop8h 52m

Los Angeles

Sat 24/1

12:30 a.m.-9:21 p.m.

2 stops17h 51m

C$ 492

LondonLos Angeles

YXU - LAX

YXULAX

London

Fri 14/11

8:10 p.m.-11:00 a.m.

2 stops17h 50m

Los Angeles

Mon 1/12

10:50 a.m.-7:12 p.m.

3 stops29h 22m

C$ 528

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 12/10

6:00 a.m.-8:21 p.m.

3 stops17h 21m

Las Vegas Harry Reid Intl

Fri 17/10

7:30 p.m.-5:12 a.m.

3 stops30h 42m

C$ 561

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to California from

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

What is the cheapest month to fly to California?

The cheapest month to fly to California from London, Ontario is in June. Flight prices, which tend to average around C$ 318, are often lower during this time because this is during the off-season. If you’re not able to fly to California in June, then July is your next best option. Flight prices from London, Ontario to California during July average around C$ 358.

What is the cheapest day to depart on your flight to California?

According to our data, Saturday is the cheapest day to fly to California from London, Ontario. The lowest ticket price found for a Saturday departure recently was C$ 452. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from London, Ontario to California on a Sunday will generally be more expensive and average around C$ 668. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to California?

Our data shows that the cheapest London, Ontario to California flights are usually those with departure times in the afternoon. Our users have found flights to California in the afternoon for as low as C$ 476. Flights to California are more costly in the morning, with an average ticket price of C$ 563. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 19% 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

Direct flights

None
There are no direct flights from London, Ontario to California. There are no popular flight routes from London, Ontario to California.
Search flight deals

  • 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?

  • 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
WestJetPriceFrom C$ 241Free CancellationRating
7.2
3,095 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 304Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 307Free CancellationRating
7.4
8,926 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.

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