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Cheap flights from Ontario to Montreal from C$ 216

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 Montreal departing on 13/4. 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

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Find the cheapest flights from Ontario to Montreal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:04 p.m. - 6:53 p.m.
ONT
-
YUL
16h 49m
2 stops
Delta Logo
7:44 p.m. - 10:57 a.m.
YUL
-
ONT
18h 13m
2 stops
C$ 745Delta
Mon, 18 May - Tue, 26 May
Delta Logo
11:04 p.m. - 6:53 p.m.
ONT
-
YUL
16h 49m
2 stops
Delta Logo
7:44 p.m. - 9:54 p.m.
YUL
-
ONT
29h 10m
2 stops
C$ 779Delta
Mon, 18 May - Fri, 22 May
American Airlines Logo
11:59 p.m. - 1:45 p.m.
ONT
-
YUL
10h 46m
1 stop
American Airlines Logo
7:12 a.m. - 10:07 p.m.
YUL
-
ONT
17h 55m
2 stops
C$ 796American Airlines
Mon, 2 Mar - Tue, 10 Mar
American Airlines Logo
7:05 p.m. - 1:45 p.m.
ONT
-
YUL
15h 40m
2 stops
American Airlines Logo
7:30 a.m. - 10:07 p.m.
YUL
-
ONT
17h 37m
2 stops
C$ 805American Airlines
Mon, 2 Mar - Tue, 10 Mar
American Airlines Logo
10:36 p.m. - 1:45 p.m.
ONT
-
YUL
12h 09m
1 stop
American Airlines Logo
7:30 a.m. - 10:07 p.m.
YUL
-
ONT
17h 37m
2 stops
C$ 811American Airlines
Wed, 11 Mar - Tue, 17 Mar
American Airlines Logo
7:59 p.m. - 1:45 p.m.
ONT
-
YUL
14h 46m
2 stops
American Airlines Logo
7:30 a.m. - 10:07 p.m.
YUL
-
ONT
17h 37m
2 stops
C$ 818American Airlines
Wed, 11 Mar - Tue, 17 Mar
Delta Logo
12:10 p.m. - 8:39 a.m.
ONT
-
YUL
17h 29m
2 stops
Delta Logo
7:44 p.m. - 10:57 a.m.
YUL
-
ONT
18h 13m
2 stops
C$ 820Delta
Tue, 19 May - Wed, 27 May
Multiple Airlines Logo
5:10 a.m. - 4:52 p.m.
ONT
-
YUL
8h 42m
1 stop
Multiple Airlines Logo
1:20 p.m. - 10:26 p.m.
YUL
-
ONT
12h 06m
1 stop
C$ 830Multiple Airlines
Thu, 2 Apr - Sat, 11 Apr
Delta Logo
12:10 p.m. - 1:39 p.m.
ONT
-
YUL
22h 29m
2 stops
Delta Logo
9:28 a.m. - 10:09 p.m.
YUL
-
ONT
15h 41m
2 stops
C$ 833Delta
Tue, 2 Jun - Tue, 9 Jun
Delta Logo
12:10 p.m. - 8:39 a.m.
ONT
-
YUL
17h 29m
2 stops
Delta Logo
9:28 a.m. - 10:09 p.m.
YUL
-
ONT
15h 41m
2 stops
C$ 840Delta
Tue, 2 Jun - Wed, 10 Jun

United Airlines flights from Ontario to Montreal

Our best United Airlines deals on Ontario to Montreal flight tickets
United Airlines
9 Apr
ONT1:27 p.m.Ontario
19h 24m
2 stops
YUL11:51 a.m.Montreal Pierre Elliott Trudeau Intl
13 Apr
YUL6:00 p.m.Montreal Pierre Elliott Trudeau Intl
18h 56m
1 stop
ONT9:56 a.m.Ontario
C$ 886
United Airlines
6 Apr
ONT6:49 p.m.Ontario
12h 51m
2 stops
YUL10:40 a.m.Montreal Pierre Elliott Trudeau Intl
13 Apr
YUL4:55 p.m.Montreal Pierre Elliott Trudeau Intl
8h 31m
1 stop
ONT10:26 p.m.Ontario
C$ 888
United Airlines
9 Apr
ONT1:27 p.m.Ontario
19h 24m
2 stops
YUL11:51 a.m.Montreal Pierre Elliott Trudeau Intl
13 Apr
YUL5:35 p.m.Montreal Pierre Elliott Trudeau Intl
27h 27m
2 stops
ONT6:02 p.m.Ontario
C$ 894

Air Canada flights from Ontario to Montreal

Our best Air Canada deals on Ontario to Montreal flight tickets
Air Canada
28 Feb
ONT5:00 a.m.Ontario
8h 58m
1 stop
YUL4:58 p.m.Montreal Pierre Elliott Trudeau Intl
1 Mar
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
18h 57m
2 stops
ONT10:57 p.m.Ontario
C$ 1,355
Air Canada
28 Feb
ONT5:00 a.m.Ontario
10h 40m
2 stops
YUL6:40 p.m.Montreal Pierre Elliott Trudeau Intl
1 Mar
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
18h 57m
2 stops
ONT10:57 p.m.Ontario
C$ 1,367
Air Canada
26 Feb
ONT5:00 a.m.Ontario
8h 58m
1 stop
YUL4:58 p.m.Montreal Pierre Elliott Trudeau Intl
1 Mar
YUL11:10 a.m.Montreal Pierre Elliott Trudeau Intl
12h 40m
2 stops
ONT8:50 p.m.Ontario
C$ 1,882

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Montreal 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 15 February 2026.
Use the filters below to find and compare flights from Ontario to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 18/5

11:04 p.m.-6:53 p.m.

2 stops16h 49m

Montreal Pierre Elliott Trudeau Intl

Tue 26/5

7:44 p.m.-10:57 a.m.

2 stops18h 13m

C$ 745

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 18/5

11:04 p.m.-6:53 p.m.

2 stops16h 49m

Montreal Pierre Elliott Trudeau Intl

Fri 22/5

7:44 p.m.-9:54 p.m.

2 stops29h 10m

C$ 779

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 2/3

11:59 p.m.-1:45 p.m.

1 stop10h 46m

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

7:12 a.m.-10:07 p.m.

2 stops17h 55m

C$ 796

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 2/3

7:05 p.m.-1:45 p.m.

2 stops15h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

7:30 a.m.-10:07 p.m.

2 stops17h 37m

C$ 805

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 11/3

10:36 p.m.-1:45 p.m.

1 stop12h 09m

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

7:30 a.m.-10:07 p.m.

2 stops17h 37m

C$ 811

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 11/3

7:59 p.m.-1:45 p.m.

2 stops14h 46m

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

7:30 a.m.-10:07 p.m.

2 stops17h 37m

C$ 818

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 19/5

12:10 p.m.-8:39 a.m.

2 stops17h 29m

Montreal Pierre Elliott Trudeau Intl

Wed 27/5

7:44 p.m.-10:57 a.m.

2 stops18h 13m

C$ 820

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Thu 2/4

5:10 a.m.-4:52 p.m.

1 stop8h 42m

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

1:20 p.m.-10:26 p.m.

1 stop12h 06m

C$ 830

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 2/6

12:10 p.m.-1:39 p.m.

2 stops22h 29m

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

9:28 a.m.-10:09 p.m.

2 stops15h 41m

C$ 833

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 2/6

12:10 p.m.-8:39 a.m.

2 stops17h 29m

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

9:28 a.m.-10:09 p.m.

2 stops15h 41m

C$ 840

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Montreal from

How to get the cheapest flight ticket from Ontario to Montreal

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 day to depart on your flight to Montreal?

Our data shows that Tuesday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 228. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Montreal for around C$ 621.

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

Our data shows that the cheapest Ontario to Montreal flights are usually those with departure times in the evening. Our users have found flights to Montreal in the evening for as low as C$ 408. Flights in the morning are often more expensive with an average ticket price of C$ 541.

When to book flights from Ontario to Montreal

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

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

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

Fastest flight time

7h 21m

Direct flights

None
The fastest flight from Ontario to Montreal takes 7h 21m
There are no direct flights from Ontario to Montreal. There are no popular flight routes from Ontario to Montreal.
Search flight deals

  • How far is Ontario to Montreal by plane?

    The straight-line distance from Ontario to Montreal is 3917.7 km. Typically, this will take 7h 21m by plane in normal conditions.

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

    Prices for flights from Ontario Airport to Montreal refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Montreal.

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

    The travel and health documents required for your trip to Montreal 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 Montreal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Montreal for you.

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

Flights from Ontario to Montreal 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 Ontario to Montreal?

momondo helps you find the best flight between Ontario and Montreal 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 Ontario to Montreal right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Montreal 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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Find better results for your trip to Canada

Fly into one of these airports located in Montreal

Airports listed have a maximum distance of 15.1 km from Montreal
Montreal St Hubert Airport
Montreal Pierre Elliott Trudeau Intl Airport