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Cheap flights from Montreal to Los Angeles from C$ 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 Montreal to Los Angeles departing on 2/9. 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 Montreal to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 a.m. - 10:23 p.m.
YUL
-
ONT
18h 23m
2 stops
Delta Logo
6:00 a.m. - 11:40 p.m.
ONT
-
YUL
14h 40m
2 stops
C$ 654Delta
Sat, 15 Aug - Sat, 22 Aug
Delta Logo
7:00 a.m. - 10:23 p.m.
YUL
-
ONT
18h 23m
2 stops
Delta Logo
6:00 a.m. - 11:40 p.m.
ONT
-
YUL
14h 40m
2 stops
C$ 656Delta
Sat, 15 Aug - Sat, 22 Aug
WestJet Logo
7:15 a.m. - 5:21 p.m.
YUL
-
ONT
37h 06m
2 stops
WestJet Logo
6:20 a.m. - 7:05 a.m.
ONT
-
YUL
21h 45m
2 stops
C$ 657WestJet
Mon, 24 Aug - Sat, 29 Aug
Delta Logo
2:25 p.m. - 10:14 p.m.
YUL
-
ONT
10h 49m
2 stops
Delta Logo
12:00 p.m. - 11:51 p.m.
ONT
-
YUL
8h 51m
1 stop
C$ 663Delta
Sat, 16 Jan - Sat, 23 Jan
WestJet Logo
7:15 a.m. - 5:12 p.m.
YUL
-
ONT
36h 57m
2 stops
WestJet Logo
11:56 a.m. - 7:05 a.m.
ONT
-
YUL
16h 09m
2 stops
C$ 664WestJet
Fri, 16 Oct - Tue, 20 Oct
Delta Logo
9:30 a.m. - 8:05 p.m.
YUL
-
ONT
13h 35m
2 stops
Delta Logo
12:17 p.m. - 11:50 p.m.
ONT
-
YUL
8h 33m
1 stop
C$ 678Delta
Fri, 11 Sep - Sat, 3 Oct
WestJet Logo
7:15 a.m. - 10:45 p.m.
YUL
-
ONT
42h 30m
2 stops
WestJet Logo
3:35 p.m. - 7:05 a.m.
ONT
-
YUL
12h 30m
2 stops
C$ 679WestJet
Thu, 13 Aug - Sat, 22 Aug
WestJet Logo
8:00 p.m. - 10:45 p.m.
YUL
-
ONT
29h 45m
2 stops
WestJet Logo
6:20 a.m. - 7:05 a.m.
ONT
-
YUL
21h 45m
2 stops
C$ 681WestJet
Fri, 21 Aug - Fri, 28 Aug
United Airlines Logo
6:00 a.m. - 8:53 p.m.
YUL
-
ONT
17h 53m
2 stops
United Airlines Logo
1:56 p.m. - 10:40 a.m.
ONT
-
YUL
17h 44m
2 stops
C$ 684United Airlines
Tue, 25 Aug - Fri, 28 Aug
Delta Logo
9:30 a.m. - 6:30 p.m.
YUL
-
ONT
12h 00m
2 stops
Delta Logo
12:17 p.m. - 11:50 p.m.
ONT
-
YUL
8h 33m
1 stop
C$ 685Delta
Thu, 27 Aug - Sat, 12 Sep

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Delta flights from Montreal to Ontario

Our best Delta deals on Montreal to Ontario flight tickets
Delta
15 Aug
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
18h 23m
2 stops
ONT10:23 p.m.Ontario
26 Aug
ONT12:00 p.m.Ontario
8h 52m
1 stop
YUL11:52 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 654
Delta
15 Aug
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
18h 23m
2 stops
ONT10:23 p.m.Ontario
26 Aug
ONT12:00 p.m.Ontario
8h 52m
1 stop
YUL11:52 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 656
Delta
16 Jan
YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl
10h 49m
2 stops
ONT10:14 p.m.Ontario
23 Jan
ONT12:00 p.m.Ontario
8h 51m
1 stop
YUL11:51 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 663

United Airlines flights from Montreal to Ontario

Our best United Airlines deals on Montreal to Ontario flight tickets
United Airlines
25 Aug
YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl
15h 50m
1 stop
ONT10:35 p.m.Ontario
28 Aug
ONT1:56 p.m.Ontario
15h 20m
1 stop
YUL8:16 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 684
United Airlines
13 Aug
YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl
11h 26m
2 stops
ONT6:11 p.m.Ontario
15 Aug
ONT1:18 p.m.Ontario
18h 22m
2 stops
YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 692
United Airlines
28 Aug
YUL4:55 p.m.Montreal Pierre Elliott Trudeau Intl
8h 40m
1 stop
ONT10:35 p.m.Ontario
12 Sep
ONT7:00 a.m.Ontario
7h 30m
1 stop
YUL5:30 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 693

momondo Fare Finder

 
Customize your flight search to find flights from Montreal 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 96,600 searches. Data last updated 4 August 2026.
Use the filters below to find and compare flights from Montreal to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Sat 15/8

7:00 a.m.-10:23 p.m.

2 stops18h 23m

Ontario

Sat 22/8

6:00 a.m.-11:40 p.m.

2 stops14h 40m

C$ 654

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Sat 15/8

7:00 a.m.-10:23 p.m.

2 stops18h 23m

Ontario

Sat 22/8

6:00 a.m.-11:40 p.m.

2 stops14h 40m

C$ 656

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Mon 24/8

7:15 a.m.-5:21 p.m.

2 stops37h 06m

Ontario

Sat 29/8

6:20 a.m.-7:05 a.m.

2 stops21h 45m

C$ 657
Quickest round-trip

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Sat 16/1

2:25 p.m.-10:14 p.m.

2 stops10h 49m

Ontario

Sat 23/1

12:00 p.m.-11:51 p.m.

1 stop8h 51m

C$ 663

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

7:15 a.m.-5:12 p.m.

2 stops36h 57m

Ontario

Tue 20/10

11:56 a.m.-7:05 a.m.

2 stops16h 09m

C$ 664

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

9:30 a.m.-8:05 p.m.

2 stops13h 35m

Ontario

Sat 3/10

12:17 p.m.-11:50 p.m.

1 stop8h 33m

C$ 678

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 13/8

7:15 a.m.-10:45 p.m.

2 stops42h 30m

Ontario

Sat 22/8

3:35 p.m.-7:05 a.m.

2 stops12h 30m

C$ 679

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Fri 21/8

8:00 p.m.-10:45 p.m.

2 stops29h 45m

Ontario

Fri 28/8

6:20 a.m.-7:05 a.m.

2 stops21h 45m

C$ 681

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Tue 25/8

6:00 a.m.-8:53 p.m.

2 stops17h 53m

Ontario

Fri 28/8

1:56 p.m.-10:40 a.m.

2 stops17h 44m

C$ 684

MontrealOntario

YUL - ONT

YULONT

Montreal Pierre Elliott Trudeau Intl

Thu 27/8

9:30 a.m.-6:30 p.m.

2 stops12h 00m

Ontario

Sat 12/9

12:17 p.m.-11:50 p.m.

1 stop8h 33m

C$ 685

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 Los Angeles from

How to get the cheapest flight ticket from Montreal 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

Can stopping save me money on Montreal to Ontario flights?

You could potentially save up to 16% on your flight if you consider stops on a Montreal to Ontario flight.

When to book flights from Montreal to Ontario

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

Cheap Montreal to Ontario (YMQ to ONT) flight deals and tips

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

Fastest flight time

8h 25m

Direct flights

None
The fastest flight from Montreal to Ontario takes 8h 25m
There are no direct flights from Montreal to Ontario. There are no popular flight routes from Montreal to Ontario.
Search flight deals

Frequently asked questions about flying from Montreal to Ontario

  • How far is Montreal to Ontario by plane?

    A flight from Montreal to Ontario will travel around 3917.7 km. In terms of flight time, this usually takes a little over 8h 25m.

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

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

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

    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 Montreal 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.

Why use momondo?

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

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

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

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

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

Once you have performed a search for Montreal 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 Montreal to Ontario right now. Can momondo alert me if prices change?

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