What is the cheapest airline that flies from Ontario to Montreal?

American Airlines, Delta, and United Airlines are the most popular carriers operating from Ontario to Montreal

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.

C$ 222 Cheap Flights from Ontario to Montreal in 2025/26

1 adult

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Find the cheapest flights from Ontario to Montreal

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One-way

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Cheap round-trip flights

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12:55 p.m. - 3:20 p.m.ONT-YUL

23h 25m2 stops

12:59 p.m. - 8:48 a.m.YUL-ONT

22h 49m2 stops

C$ 951American Airlines

Find Deal

Wed, 24 Dec - Wed, 31 Dec

4:45 p.m. - 1:45 p.m.ONT-YUL

18h 00m2 stops

7:00 a.m. - 10:13 p.m.YUL-ONT

18h 13m2 stops

C$ 959American Airlines

Find Deal

Fri, 16 Jan - Mon, 19 Jan

10:20 p.m. - 6:37 p.m.ONT-YUL

17h 17m2 stops

6:00 a.m. - 9:07 p.m.YUL-ONT

18h 07m2 stops

C$ 976Delta

Find Deal

Wed, 18 Feb - Sat, 21 Feb

6:17 a.m. - 10:40 p.m.ONT-YUL

13h 23m2 stops

3:50 p.m. - 8:53 a.m.YUL-ONT

20h 03m2 stops

C$ 983American Airlines

Find Deal

Tue, 9 Dec - Tue, 16 Dec

5:05 a.m. - 7:32 a.m.ONT-YUL

23h 27m2 stops

8:00 p.m. - 10:49 p.m.YUL-ONT

29h 49m3 stops

C$ 1,020United Airlines

Find Deal

Tue, 9 Dec - Tue, 16 Dec

10:20 p.m. - 6:37 p.m.ONT-YUL

17h 17m2 stops

7:00 a.m. - 9:07 p.m.YUL-ONT

17h 07m1 stop

C$ 1,112Delta

Find Deal

Wed, 18 Feb - Sat, 21 Feb

7:00 a.m. - 9:26 p.m.ONT-YUL

11h 26m1 stop

11:20 a.m. - 10:26 p.m.YUL-ONT

14h 06m1 stop

C$ 1,128Multiple Airlines

Find Deal

Wed, 1 Apr - Sun, 5 Apr

5:05 a.m. - 7:32 a.m.ONT-YUL

23h 27m2 stops

5:25 p.m. - 8:58 p.m.YUL-ONT

30h 33m1 stop

C$ 1,139United Airlines

Find Deal

Fri, 16 Jan - Mon, 19 Jan

7:00 a.m. - 9:26 p.m.ONT-YUL

11h 26m1 stop

5:00 a.m. - 12:38 p.m.YUL-ONT

10h 38m2 stops

C$ 1,197Multiple Airlines

Find Deal

Wed, 1 Apr - Sun, 5 Apr

5:05 a.m. - 7:53 p.m.ONT-YUL

11h 48m2 stops

8:50 p.m. - 12:33 p.m.YUL-ONT

18h 43m2 stops

C$ 1,730Air Canada

Find Deal

Sat, 22 Nov - Sat, 29 Nov

American Airlines flights from Ontario to Montreal

Our best American Airlines deals on Ontario to Montreal flight tickets

American Airlines

24 Dec

ONT12:55 p.m.Ontario

23h 25m

2 stops

YUL3:20 p.m.Montreal Pierre Elliott Trudeau Intl

31 Dec

YUL12:59 p.m.Montreal Pierre Elliott Trudeau Intl

22h 49m

2 stops

ONT8:48 a.m.Ontario

C$ 951

Find similar

American Airlines

16 Jan

ONT4:45 p.m.Ontario

18h 00m

2 stops

YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl

19 Jan

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

18h 13m

2 stops

ONT10:13 p.m.Ontario

C$ 959

Find similar

American Airlines

9 Dec

ONT6:17 a.m.Ontario

13h 23m

2 stops

YUL10:40 p.m.Montreal Pierre Elliott Trudeau Intl

16 Dec

YUL3:50 p.m.Montreal Pierre Elliott Trudeau Intl

20h 03m

2 stops

ONT8:53 a.m.Ontario

C$ 983

Find similar

Delta flights from Ontario to Montreal

Our best Delta deals on Ontario to Montreal flight tickets

Delta

18 Feb

ONT10:20 p.m.Ontario

17h 17m

2 stops

YUL6:37 p.m.Montreal Pierre Elliott Trudeau Intl

21 Feb

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

18h 07m

2 stops

ONT9:07 p.m.Ontario

C$ 976

Find similar

Delta

18 Feb

ONT10:20 p.m.Ontario

17h 17m

2 stops

YUL6:37 p.m.Montreal Pierre Elliott Trudeau Intl

21 Feb

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

17h 07m

1 stop

ONT9:07 p.m.Ontario

C$ 1,112

Find similar

Delta

9 Dec

ONT12:12 p.m.Ontario

8h 47m

1 stop

YUL11:59 p.m.Montreal Pierre Elliott Trudeau Intl

16 Dec

YUL12:40 p.m.Montreal Pierre Elliott Trudeau Intl

13h 24m

1 stop

ONT11:04 p.m.Ontario

C$ 1,195

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 24/12

12:55 p.m.-3:20 p.m.

2 stops23h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:59 p.m.-8:48 a.m.

2 stops22h 49m

C$ 951

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 16/1

4:45 p.m.-1:45 p.m.

2 stops18h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

7:00 a.m.-10:13 p.m.

2 stops18h 13m

C$ 959

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 18/2

10:20 p.m.-6:37 p.m.

2 stops17h 17m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

6:00 a.m.-9:07 p.m.

2 stops18h 07m

C$ 976

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 9/12

6:17 a.m.-10:40 p.m.

2 stops13h 23m

Montreal Pierre Elliott Trudeau Intl

Tue 16/12

3:50 p.m.-8:53 a.m.

2 stops20h 03m

C$ 983

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 9/12

5:05 a.m.-7:32 a.m.

2 stops23h 27m

Montreal Pierre Elliott Trudeau Intl

Tue 16/12

8:00 p.m.-10:49 p.m.

3 stops29h 49m

C$ 1,020

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 18/2

10:20 p.m.-6:37 p.m.

2 stops17h 17m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

7:00 a.m.-9:07 p.m.

1 stop17h 07m

C$ 1,112

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 1/4

7:00 a.m.-9:26 p.m.

1 stop11h 26m

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

11:20 a.m.-10:26 p.m.

1 stop14h 06m

C$ 1,128

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Fri 16/1

5:05 a.m.-7:32 a.m.

2 stops23h 27m

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

5:25 p.m.-8:58 p.m.

1 stop30h 33m

C$ 1,139

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 1/4

7:00 a.m.-9:26 p.m.

1 stop11h 26m

Montreal Pierre Elliott Trudeau Intl

Sun 5/4

5:00 a.m.-12:38 p.m.

2 stops10h 38m

C$ 1,197

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 22/11

5:05 a.m.-7:53 p.m.

2 stops11h 48m

Montreal Pierre Elliott Trudeau Intl

Sat 29/11

8:50 p.m.-12:33 p.m.

2 stops18h 43m

C$ 1,730

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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$ 236. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Montreal for around C$ 615.

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$ 399. Flights at noon are often more expensive with an average ticket price of C$ 588.

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

Direct flights	None

There are no direct flights from Ontario to Montreal. There are no popular flight routes from Ontario to Montreal.

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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 11m 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.