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Cheap flights from Los Angeles to Ontario from $118

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Los Angeles to Ontario departing on 4/21. 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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0 bags

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Find the cheapest flights from Los Angeles to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
1:40 pm - 9:25 pm
LAX
-
YYZ
4h 45mnonstop
Porter Airlines Logo
10:00 am - 12:39 pm
YYZ
-
LAX
5h 39mnonstop
$217Porter Airlines
Sat, Mar 14 - Fri, Mar 20
Porter Airlines Logo
1:40 pm - 9:25 pm
LAX
-
YYZ
4h 45mnonstop
Porter Airlines Logo
10:00 am - 12:39 pm
YYZ
-
LAX
5h 39mnonstop
$224Porter Airlines
Sat, Mar 14 - Fri, Mar 20
Multiple Airlines Logo
1:40 pm - 9:25 pm
LAX
-
YYZ
4h 45mnonstop
Multiple Airlines Logo
9:40 am - 6:30 pm
YYZ
-
LAX
11h 50m
2 stops
$231Multiple Airlines
Sat, Mar 14 - Wed, Mar 18
Multiple Airlines Logo
1:40 pm - 9:25 pm
LAX
-
YYZ
4h 45mnonstop
Multiple Airlines Logo
8:00 pm - 12:24 pm
YYZ
-
LAX
19h 24m
1 stop
$233Multiple Airlines
Sat, Mar 14 - Fri, Mar 20
WestJet Logo
8:30 am - 7:50 pm
LAX
-
YKF
8h 20m
1 stop
WestJet Logo
8:40 pm - 12:25 pm
YKF
-
LAX
18h 45m
1 stop
$317WestJet
Fri, May 15 - Wed, May 20
WestJet Logo
5:45 pm - 5:29 am
LAX
-
YKF
8h 44m
1 stop
WestJet Logo
6:20 am - 10:03 pm
YKF
-
LAX
18h 43m
1 stop
$324WestJet
Fri, Mar 6 - Mon, Mar 9
Air Canada Logo
8:15 am - 7:55 pm
LAX
-
YTZ
8h 40m
1 stop
Air Canada Logo
7:00 am - 10:00 pm
YTZ
-
LAX
18h 00m
1 stop
$331Air Canada
Sat, Mar 14 - Fri, Mar 20
Air Canada Logo
8:15 am - 9:35 pm
LAX
-
YTZ
10h 20m
1 stop
Air Canada Logo
4:25 pm - 10:00 pm
YTZ
-
LAX
8h 35m
1 stop
$367Air Canada
Sat, Mar 14 - Tue, Mar 24
United Airlines Logo
7:00 am - 5:07 pm
LAX
-
YOW
7h 07m
1 stop
United Airlines Logo
3:15 pm - 9:24 pm
YOW
-
LAX
9h 09m
1 stop
$386United Airlines
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
10:55 pm - 11:05 pm
LAX
-
YQT
21h 10m
2 stops
United Airlines Logo
11:15 am - 1:09 am
YQT
-
LAX
16h 54m
2 stops
$438United Airlines
Fri, Feb 27 - Tue, Mar 3

Porter Airlines flights from Los Angeles to Region of Ontario

Our best Porter Airlines deals on Los Angeles to Region of Ontario flight tickets
Porter Airlines
Mar 14
LAX1:40 pmLos Angeles
4h 45m
YYZ9:25 pmToronto Pearson Intl
Mar 20
YYZ10:00 amToronto Pearson Intl
5h 39m
LAX12:39 pmLos Angeles
$217
Porter Airlines
Mar 14
LAX1:40 pmLos Angeles
4h 45m
YYZ9:25 pmToronto Pearson Intl
Mar 20
YYZ10:00 amToronto Pearson Intl
5h 39m
LAX12:39 pmLos Angeles
$224
Porter Airlines
Mar 14
LAX1:40 pmLos Angeles
4h 45m
YYZ9:25 pmToronto Pearson Intl
Mar 24
YYZ10:00 amToronto Pearson Intl
5h 39m
LAX12:39 pmLos Angeles
$271

WestJet flights from Los Angeles to Region of Ontario

Our best WestJet deals on Los Angeles to Region of Ontario flight tickets
WestJet
Mar 13
LAX7:00 amLos Angeles
9h 36m
1 stop
YYZ7:36 pmToronto Pearson Intl
Mar 17
YYZ9:40 amToronto Pearson Intl
11h 50m
2 stops
LAX6:30 pmLos Angeles
$256
WestJet
Mar 6
LAX5:45 pmLos Angeles
10h 13m
1 stop
YYZ6:58 amToronto Pearson Intl
Mar 9
YYZ8:00 amToronto Pearson Intl
11h 58m
2 stops
LAX4:58 pmLos Angeles
$273
WestJet
Mar 3
LAX7:00 amLos Angeles
13h 35m
2 stops
YYZ11:35 pmToronto Pearson Intl
Mar 10
YYZ9:40 amToronto Pearson Intl
11h 50m
2 stops
LAX6:30 pmLos Angeles
$275

momondo Fare Finder

 
Customize your flight search to find flights from Los Angeles to Region of 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 February 3, 2026.
Use the filters below to find and compare flights from Los Angeles to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sat 3/14

1:40 pm-9:25 pm

Nonstop4h 45m

Toronto Pearson Intl

Fri 3/20

10:00 am-12:39 pm

Nonstop5h 39m

$217

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sat 3/14

1:40 pm-9:25 pm

Nonstop4h 45m

Toronto Pearson Intl

Fri 3/20

10:00 am-12:39 pm

Nonstop5h 39m

$224

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sat 3/14

1:40 pm-9:25 pm

Nonstop4h 45m

Toronto Pearson Intl

Wed 3/18

9:40 am-6:30 pm

2 stops11h 50m

$231

Los AngelesToronto

LAX - YYZ

LAXYYZ

Los Angeles

Sat 3/14

1:40 pm-9:25 pm

Nonstop4h 45m

Toronto Pearson Intl

Fri 3/20

8:00 pm-12:24 pm

1 stop19h 24m

$233

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Fri 5/15

8:30 am-7:50 pm

1 stop8h 20m

Toronto Region of Waterloo Intl

Wed 5/20

8:40 pm-12:25 pm

1 stop18h 45m

$317

Los AngelesToronto

LAX - YKF

LAXYKF

Los Angeles

Fri 3/6

5:45 pm-5:29 am

1 stop8h 44m

Toronto Region of Waterloo Intl

Mon 3/9

6:20 am-10:03 pm

1 stop18h 43m

$324

Los AngelesToronto

LAX - YTZ

LAXYTZ

Los Angeles

Sat 3/14

8:15 am-7:55 pm

1 stop8h 40m

Toronto Island

Fri 3/20

7:00 am-10:00 pm

1 stop18h 00m

$331

Los AngelesToronto

LAX - YTZ

LAXYTZ

Los Angeles

Sat 3/14

8:15 am-9:35 pm

1 stop10h 20m

Toronto Island

Tue 3/24

4:25 pm-10:00 pm

1 stop8h 35m

$367

Los AngelesOttawa

LAX - YOW

LAXYOW

Los Angeles

Thu 2/19

7:00 am-5:07 pm

1 stop7h 07m

Ottawa

Mon 2/23

3:15 pm-9:24 pm

1 stop9h 09m

$386

Los AngelesThunder Bay

LAX - YQT

LAXYQT

Los Angeles

Fri 2/27

10:55 pm-11:05 pm

2 stops21h 10m

Thunder Bay

Tue 3/3

11:15 am-1:09 am

2 stops16h 54m

$438

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 Ontario from

How to get the cheapest flight ticket from Los Angeles to Region of 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 month to fly to Region of Ontario?

The month of June is, on average, the cheapest month to fly to Region of Ontario from Los Angeles, with most prices found around $278. If you aren’t able to travel during the month of June, then book flights to Region of Ontario from Los Angeles during May instead. Flights to Region of Ontario in May, while not as cheap as those in June, still average around $283.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Thursday is the cheapest day to fly to Region of Ontario from Los Angeles. The lowest ticket price found for a Thursday departure recently was $373. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Los Angeles to Region of Ontario on a Sunday will generally be more expensive and average around $594. 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 Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is at noon. momondo users have found flights departing from Los Angeles to Region of Ontario at noon for as low as $312. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $597.

What is the cheapest Los Angeles to Ontario flight route?

Fly from Los Angeles to Toronto Pearson Intl for the best Los Angeles - Ontario flight prices

How far in advance should I book a flight to Region of Ontario?

You are more likely to see cheaper flights to Region of Ontario from Los Angeles when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $333 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Los Angeles for as low as $218 on momondo.

What cabin class options are available on Los Angeles to Ontario flights?

There are 4 cabin classes available to choose from on Los Angeles to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Los Angeles to Region of Ontario flights?

You could potentially save up to 36% on your flight if you consider stops on a Los Angeles to Region of Ontario flight.

Cheap Los Angeles to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Los Angeles to Region of Ontario

Best Price Found

$177

Fastest flight time

4h 32m

Direct flights

Every day

Airports in Region of Ontario

123 airports
The best one-way flight to Region of Ontario from Los Angeles in the past 72 hours is $177. The best round-trip flight deal from Los Angeles to Region of Ontario found on momondo in the last 72 hours is $311.
The fastest flight from Los Angeles to Region of Ontario takes 4h 32m
Direct flights go from Los Angeles to Region of Ontario every day.
There are 123 airports in Region of Ontario. From Los Angeles there are direct flights to Toronto Pearson Intl (YYZ).
Search flight deals

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

    Prices for flights from Los Angeles Airport to Ontario were last updated today.

  • How many operators does momondo search for flights from Los Angeles Airport to Ontario?

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

    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 Los Angeles Airport to Ontario.

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

    The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Los Angeles to Region of Ontario?

Best airlines flying from Los Angeles to Region of Ontario

Compare and see reviews for airlines that fly from Los Angeles to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom $100Free CancellationRating
7.2
3,254 reviews
Search WestJet flights
Porter AirlinesPriceFrom $103Free CancellationRating
7.9
412 reviews
Search Porter Airlines flights
Air TransatPriceFrom $114Free CancellationRating
7.7
502 reviews
Search Air Transat flights
DeltaPriceFrom $122Free CancellationRating
7.9
8,132 reviews
Search Delta flights
Air CanadaPriceFrom $125Free CancellationRating
7.1
10,676 reviews
Search Air Canada flights
United AirlinesPriceFrom $126Free CancellationRating
7.4
9,231 reviews
Search United Airlines flights
American AirlinesPriceFrom $256Free CancellationRating
7.2
11,212 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Los Angeles 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 Los Angeles.

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

Yes. All flights to Ontario from Los Angeles on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Los Angeles to Ontario?

momondo helps you find the best flight between Los Angeles and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Ontario from Los Angeles. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Region of Ontario trip

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Find better results for your trip to Ontario

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