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Cheap flights from Ontario to Los Angeles from $163

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Los Angeles departing on 6/17. 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
0 bags

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Find the cheapest flights from Ontario to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 pm - 3:08 pm
YYZ
-
ONT
21h 38m
1 stop
Multiple Airlines Logo
11:58 am - 9:15 pm
ONT
-
YYZ
30h 17m
2 stops
$363Multiple Airlines
Thu, Jun 11 - Thu, Jun 18
Multiple Airlines Logo
9:55 am - 3:09 pm
YYZ
-
ONT
8h 14m
1 stop
Multiple Airlines Logo
6:00 am - 10:45 pm
ONT
-
YYZ
13h 45m
2 stops
$370Multiple Airlines
Thu, May 21 - Wed, May 27
Lufthansa Logo
3:53 pm - 9:55 pm
YYZ
-
ONT
9h 02m
1 stop
Lufthansa Logo
6:30 am - 8:44 pm
ONT
-
YYZ
11h 14m
1 stop
$372Lufthansa
Sat, May 23 - Sat, May 30
United Airlines Logo
4:18 pm - 8:36 pm
YYZ
-
ONT
7h 18m
1 stop
United Airlines Logo
5:00 am - 3:14 pm
ONT
-
YYZ
7h 14m
1 stop
$374United Airlines
Tue, May 12 - Sun, May 17
United Airlines Logo
4:18 pm - 12:12 pm
YYZ
-
ONT
22h 54m
2 stops
United Airlines Logo
6:30 pm - 9:19 am
ONT
-
YYZ
11h 49m
2 stops
$375United Airlines
Fri, Jun 5 - Tue, Jun 9
Multiple Airlines Logo
9:30 am - 8:04 am
YYZ
-
ONT
25h 34m
2 stops
Multiple Airlines Logo
11:51 am - 11:54 pm
ONT
-
YYZ
9h 03m
1 stop
$376Multiple Airlines
Tue, May 26 - Thu, May 28
Delta Logo
5:45 pm - 11:34 pm
YYZ
-
ONT
8h 49m
1 stop
Delta Logo
6:45 am - 10:59 pm
ONT
-
YYZ
13h 14m
2 stops
$381Delta
Fri, May 29 - Fri, Jun 5
Delta Logo
1:34 pm - 9:48 pm
YYZ
-
ONT
11h 14m
1 stop
Delta Logo
10:00 pm - 12:19 pm
ONT
-
YYZ
11h 19m
1 stop
$382Delta
Thu, May 21 - Wed, May 27
Air Canada Logo
5:10 am - 12:47 pm
YXU
-
ONT
10h 37m
2 stops
Air Canada Logo
5:00 am - 5:32 pm
ONT
-
YXU
9h 32m
2 stops
$575Air Canada
Sat, Jun 13 - Sat, Jun 20
Air Canada Logo
5:40 am - 10:58 pm
YXU
-
ONT
20h 18m
2 stops
Air Canada Logo
5:00 am - 5:45 pm
ONT
-
YXU
9h 45m
2 stops
$588Air Canada
Thu, Aug 27 - Sun, Aug 30

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Lufthansa flights from Region of Ontario to Ontario

Our best Lufthansa deals on Region of Ontario to Ontario flight tickets
Lufthansa
Aug 10
YUL11:23 amMontreal Pierre Elliott Trudeau Intl
14h 14m
2 stops
ONT10:37 pmOntario
Aug 23
ONT5:00 amOntario
9h 30m
2 stops
YUL5:30 pmMontreal Pierre Elliott Trudeau Intl
$579
Lufthansa
Jun 1
YOW5:25 pmOttawa
8h 26m
1 stop
ONT10:51 pmOntario
Jun 10
ONT6:05 amOntario
12h 30m
1 stop
YOW9:35 pmOttawa
$600

WestJet flights from Region of Ontario to Ontario

Our best WestJet deals on Region of Ontario to Ontario flight tickets
WestJet
May 29
YUL7:15 amMontreal Pierre Elliott Trudeau Intl
18h 19m
2 stops
ONT10:34 pmOntario
Jun 1
ONT6:45 amOntario
21h 20m
2 stops
YUL7:05 amMontreal Pierre Elliott Trudeau Intl
$586
WestJet
May 14
YUL7:15 amMontreal Pierre Elliott Trudeau Intl
18h 19m
2 stops
ONT10:34 pmOntario
May 20
ONT1:35 pmOntario
14h 30m
2 stops
YUL7:05 amMontreal Pierre Elliott Trudeau Intl
$598
WestJet
May 15
YUL5:30 pmMontreal Pierre Elliott Trudeau Intl
32h 04m
2 stops
ONT10:34 pmOntario
May 19
ONT6:45 amOntario
21h 20m
2 stops
YUL7:05 amMontreal Pierre Elliott Trudeau Intl
$610

momondo Fare Finder

 
Customize your flight search to find flights from Region of 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 May 2, 2026.
Use the filters below to find and compare flights from Ontario to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 6/11

8:30 pm-3:08 pm

1 stop21h 38m

Ontario

Thu 6/18

11:58 am-9:15 pm

2 stops30h 17m

$363

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 5/21

9:55 am-3:09 pm

1 stop8h 14m

Ontario

Wed 5/27

6:00 am-10:45 pm

2 stops13h 45m

$370

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Sat 5/23

3:53 pm-9:55 pm

1 stop9h 02m

Ontario

Sat 5/30

6:30 am-8:44 pm

1 stop11h 14m

$372
Quickest round-trip

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 5/12

4:18 pm-8:36 pm

1 stop7h 18m

Ontario

Sun 5/17

5:00 am-3:14 pm

1 stop7h 14m

$374

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 6/5

4:18 pm-12:12 pm

2 stops22h 54m

Ontario

Tue 6/9

6:30 pm-9:19 am

2 stops11h 49m

$375

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Tue 5/26

9:30 am-8:04 am

2 stops25h 34m

Ontario

Thu 5/28

11:51 am-11:54 pm

1 stop9h 03m

$376

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Fri 5/29

5:45 pm-11:34 pm

1 stop8h 49m

Ontario

Fri 6/5

6:45 am-10:59 pm

2 stops13h 14m

$381

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

Thu 5/21

1:34 pm-9:48 pm

1 stop11h 14m

Ontario

Wed 5/27

10:00 pm-12:19 pm

1 stop11h 19m

$382

LondonOntario

YXU - ONT

YXUONT

London

Sat 6/13

5:10 am-12:47 pm

2 stops10h 37m

Ontario

Sat 6/20

5:00 am-5:32 pm

2 stops9h 32m

$575

LondonOntario

YXU - ONT

YXUONT

London

Thu 8/27

5:40 am-10:58 pm

2 stops20h 18m

Ontario

Sun 8/30

5:00 am-5:45 pm

2 stops9h 45m

$588

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Region of 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 month to fly to Ontario?

In general, July is the cheapest month to fly from Region of Ontario to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $96. If you aren’t able to travel during the month of July, then book flights to Ontario from Region of Ontario during August instead. Flights to Ontario in August, while not as cheap as those in July, still average around $174.

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

You could potentially save up to 54% on your flight if you consider stops on a Region of Ontario to Ontario flight.

Cheap Region of Ontario to Ontario flight deals and tips

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

Fastest flight time

7h 18m

Direct flights

None
The fastest flight from Region of Ontario to Ontario takes 7h 18m
There are no direct flights from Region of Ontario to Ontario. There are no popular flight routes from Region of Ontario to Ontario.
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Frequently asked questions about flying from Ontario to Ontario

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to Ontario Airport.

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

    The required travel and health documents for your Ontario Airport 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 Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Region of Ontario to Ontario

Compare and see reviews for airlines that fly from Region of Ontario to Ontario with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $463Free CancellationRating
7.4
9,680 reviews
Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Ontario.

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

Yes momondo offers price alerts on flights to Ontario from Ontario. 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.

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