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Cheap flights from London, Ontario to Los Angeles from $368

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 Los Angeles departing on 6/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London, Ontario to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:05 am - 10:51 pm
YXU
-
ONT
15h 46m
2 stops
United Airlines Logo
6:00 am - 9:20 am
ONT
-
YXU
24h 20m
2 stops
$662United Airlines
Tue, Jul 28 - Tue, Aug 4
Air Canada Logo
5:40 am - 8:01 pm
YXU
-
ONT
17h 21m
2 stops
Air Canada Logo
11:00 am - 9:20 am
ONT
-
YXU
19h 20m
2 stops
$673Air Canada
Wed, Sep 2 - Sat, Sep 5
Air Canada Logo
5:40 am - 8:01 pm
YXU
-
ONT
17h 21m
2 stops
Air Canada Logo
5:00 am - 5:45 pm
ONT
-
YXU
9h 45m
2 stops
$675Air Canada
Wed, Sep 2 - Sat, Sep 5
United Airlines Logo
10:05 am - 10:51 pm
YXU
-
ONT
15h 46m
2 stops
United Airlines Logo
1:50 pm - 2:50 pm
ONT
-
YXU
22h 00m
3 stops
$686United Airlines
Tue, Jul 28 - Tue, Aug 4
United Airlines Logo
10:05 am - 10:51 pm
YXU
-
ONT
15h 46m
2 stops
United Airlines Logo
5:00 am - 8:32 pm
ONT
-
YXU
12h 32m
2 stops
$688United Airlines
Wed, Jul 8 - Tue, Jul 14
United Airlines Logo
10:05 am - 10:51 pm
YXU
-
ONT
15h 46m
2 stops
United Airlines Logo
5:00 am - 9:17 am
ONT
-
YXU
25h 17m
2 stops
$724United Airlines
Fri, Jul 24 - Fri, Jul 31
Multiple Airlines Logo
6:10 am - 10:52 pm
YXU
-
ONT
19h 42m
3 stops
Multiple Airlines Logo
11:59 am - 5:20 am
ONT
-
YXU
38h 21m
3 stops
$1,182Multiple Airlines
Wed, Jul 8 - Tue, Jul 14
Multiple Airlines Logo
6:10 am - 4:52 pm
YXU
-
ONT
13h 42m
3 stops
Multiple Airlines Logo
12:04 pm - 5:20 am
ONT
-
YXU
14h 16m
3 stops
$1,293Multiple Airlines
Tue, Jul 28 - Tue, Aug 4

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United Airlines flights from London, Ontario to Ontario

Our best United Airlines deals on London, Ontario to Ontario flight tickets
United Airlines
Jul 28
YXU10:05 amLondon
15h 46m
2 stops
ONT10:51 pmOntario
Aug 4
ONT6:00 amOntario
24h 20m
2 stops
YXU9:20 amLondon
$662
United Airlines
Jul 28
YXU10:05 amLondon
15h 46m
2 stops
ONT10:51 pmOntario
Aug 4
ONT1:50 pmOntario
22h 00m
3 stops
YXU2:50 pmLondon
$686
United Airlines
Jul 8
YXU10:05 amLondon
15h 46m
2 stops
ONT10:51 pmOntario
Jul 14
ONT5:00 amOntario
12h 32m
2 stops
YXU8:32 pmLondon
$688

Air Canada flights from London, Ontario to Ontario

Our best Air Canada deals on London, Ontario to Ontario flight tickets
Air Canada
Sep 2
YXU5:40 amLondon
17h 21m
2 stops
ONT8:01 pmOntario
Sep 5
ONT11:00 amOntario
19h 20m
2 stops
YXU9:20 amLondon
$673
Air Canada
Sep 2
YXU5:40 amLondon
17h 21m
2 stops
ONT8:01 pmOntario
Sep 5
ONT5:00 amOntario
9h 45m
2 stops
YXU5:45 pmLondon
$675

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to Ontario 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 832,500 searches. Data last updated June 14, 2026.
Use the filters below to find and compare flights from London, Ontario to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonOntario

YXU - ONT

YXUONT

London

Tue 7/28

10:05 am-10:51 pm

2 stops15h 46m

Ontario

Tue 8/4

6:00 am-9:20 am

2 stops24h 20m

$662

LondonOntario

YXU - ONT

YXUONT

London

Wed 9/2

5:40 am-8:01 pm

2 stops17h 21m

Ontario

Sat 9/5

11:00 am-9:20 am

2 stops19h 20m

$673
Quickest round-trip

LondonOntario

YXU - ONT

YXUONT

London

Wed 9/2

5:40 am-8:01 pm

2 stops17h 21m

Ontario

Sat 9/5

5:00 am-5:45 pm

2 stops9h 45m

$675

LondonOntario

YXU - ONT

YXUONT

London

Tue 7/28

10:05 am-10:51 pm

2 stops15h 46m

Ontario

Tue 8/4

1:50 pm-2:50 pm

3 stops22h 00m

$686

LondonOntario

YXU - ONT

YXUONT

London

Wed 7/8

10:05 am-10:51 pm

2 stops15h 46m

Ontario

Tue 7/14

5:00 am-8:32 pm

2 stops12h 32m

$688

LondonOntario

YXU - ONT

YXUONT

London

Fri 7/24

10:05 am-10:51 pm

2 stops15h 46m

Ontario

Fri 7/31

5:00 am-9:17 am

2 stops25h 17m

$724

LondonOntario

YXU - ONT

YXUONT

London

Wed 7/8

6:10 am-10:52 pm

3 stops19h 42m

Ontario

Tue 7/14

11:59 am-5:20 am

3 stops38h 21m

$1,182

LondonOntario

YXU - ONT

YXUONT

London

Tue 7/28

6:10 am-4:52 pm

3 stops13h 42m

Ontario

Tue 8/4

12:04 pm-5:20 am

3 stops14h 16m

$1,293
Cheapest one-way
Quickest one-way

LondonOntario

YXU - ONT

YXUONT

London

Tue 6/23

10:05 am-10:51 pm

2 stops15h 46m

$368

LondonOntario

YXU - ONT

YXUONT

London

Sat 7/18

10:05 am-10:51 pm

2 stops15h 46m

$369

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

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 airline that flies from London to Ontario?

United Airlines and Air Canada are the most popular carriers operating from London to Ontario

What airlines fly to Ontario?

Air Canada, Porter Airlines and WestJet are the top three most popular airlines that fly to Ontario from London, Ontario according to our data. Air Canada is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from London, Ontario to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from London, Ontario to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London, Ontario to Ontario (YXU to ONT) flight deals and tips

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

Fastest flight time

15h 46m

Direct flights

None
The fastest flight from London, Ontario to Ontario takes 15h 46m
There are no direct flights from London, Ontario to Ontario. There are no popular flight routes from London, Ontario to Ontario.
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Frequently asked questions about flying from London, Ontario to Ontario

  • How far is London to Ontario by plane?

    There are 2043.3 mi between London and Ontario. Flights usually cover this in 15h 46m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London Airport to Ontario Airport are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from London.

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

momondo does allow users to show only those flights to Ontario from London which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for London to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from London and alert you when they change.

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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