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

Delta is the most popular carrier 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$ 301 Cheap Flights from Ontario to Montreal in 2026

Find the cheapest flights from Ontario to Montreal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:05 a.m. - 5:34 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

7h 29m1 stop Atlanta Hartsfield-Jackson

12:45 p.m. - 10:14 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

12h 29m1 stop Atlanta Hartsfield-Jackson

C$ 731Delta

Tue, 8 Dec - Tue, 26 Jan

7:00 a.m. - 5:30 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

7h 30m1 stop Chicago O'Hare Intl

4:45 p.m. - 10:31 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

8h 46m1 stop Chicago O'Hare Intl

C$ 749United Airlines

Tue, 29 Sep - Tue, 20 Apr

7:00 a.m. - 5:30 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

7h 30m1 stop Chicago O'Hare Intl

11:00 a.m. - 8:20 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

12h 20m2 stops Newark Denver Intl

C$ 758United Airlines

Tue, 29 Sep - Tue, 20 Apr

7:05 a.m. - 5:34 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

7h 29m1 stop Atlanta Hartsfield-Jackson

2:25 p.m. - 10:14 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

10h 49m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

C$ 763Delta

Tue, 8 Dec - Wed, 20 Jan

7:05 a.m. - 5:34 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

7h 29m1 stop Atlanta Hartsfield-Jackson

12:45 p.m. - 10:14 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

12h 29m1 stop Atlanta Hartsfield-Jackson

C$ 765Delta

Mon, 7 Dec - Tue, 26 Jan

6:00 a.m. - 11:33 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

14h 33m2 stops Salt Lake City Detroit Metropolitan Wayne County

4:55 p.m. - 11:48 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

9h 53m2 stops Detroit Metropolitan Wayne County Salt Lake City

C$ 772Delta

Tue, 8 Dec - Tue, 26 Jan

12:16 p.m. - 11:54 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

8h 38m1 stop Atlanta Hartsfield-Jackson

12:44 p.m. - 9:54 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

12h 10m1 stop Atlanta Hartsfield-Jackson

C$ 785Delta

Tue, 6 Oct - Thu, 15 Oct

11:08 p.m. - 11:36 a.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

9h 28m1 stop Atlanta Hartsfield-Jackson

12:45 p.m. - 10:14 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

12h 29m1 stop Atlanta Hartsfield-Jackson

C$ 798Delta

Mon, 7 Dec - Thu, 21 Jan

7:05 a.m. - 5:34 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

7h 29m1 stop Atlanta Hartsfield-Jackson

9:28 a.m. - 10:14 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

15h 46m2 stops New York LaGuardia Atlanta Hartsfield-Jackson

C$ 799Delta

Tue, 8 Dec - Thu, 21 Jan

6:00 a.m. - 11:43 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

14h 43m2 stops Salt Lake City Minneapolis St Paul

12:45 p.m. - 11:48 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

14h 03m2 stops Detroit Metropolitan Wayne County Salt Lake City

C$ 806Delta

Wed, 9 Dec - Mon, 25 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

7:00 a.m. - 5:30 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

7h 30m1 stop Chicago O'Hare Intl

4:55 p.m. - 10:59 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

9h 04m1 stop Chicago O'Hare Intl

C$ 1,020United Airlines

Wed, 26 Aug - Wed, 9 Sep

12:00 p.m. - 11:52 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

8h 52m1 stop Atlanta Hartsfield-Jackson

6:00 a.m. - 6:30 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

15h 30m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

C$ 1,034Delta

Wed, 26 Aug - Sat, 5 Sep

3:35 p.m. - 7:05 a.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

12h 30m2 stops Seattle/Tacoma Intl Calgary

7:15 a.m. - 10:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

18h 25m2 stops Calgary Seattle/Tacoma Intl

C$ 1,059WestJet

Sat, 29 Aug - Tue, 8 Sep

7:00 a.m. - 9:26 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

11h 26m1 stop Chicago O'Hare Intl

4:55 p.m. - 10:59 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

9h 04m1 stop Chicago O'Hare Intl

C$ 1,062United Airlines

Sat, 29 Aug - Thu, 10 Sep

7:00 a.m. - 5:30 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

7h 30m1 stop Chicago O'Hare Intl

4:55 p.m. - 10:35 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

8h 40m1 stop Chicago O'Hare Intl

C$ 1,067United Airlines

Sat, 29 Aug - Sat, 5 Sep

12:00 p.m. - 11:52 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

8h 52m1 stop Atlanta Hartsfield-Jackson

6:00 a.m. - 6:30 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

15h 30m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

C$ 1,076Delta

Wed, 26 Aug - Sun, 6 Sep

7:13 p.m. - 8:16 a.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

10h 03m1 stop San Francisco

4:55 p.m. - 10:35 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

8h 40m1 stop Chicago O'Hare Intl

C$ 1,088United Airlines

Thu, 27 Aug - Sat, 5 Sep

12:00 p.m. - 11:52 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

8h 52m1 stop Atlanta Hartsfield-Jackson

6:00 a.m. - 6:30 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

15h 30m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

C$ 1,102Delta

Sun, 30 Aug - Sat, 5 Sep

9:43 a.m. - 11:30 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

10h 47m2 stops Salt Lake City Detroit Metropolitan Wayne County

6:00 a.m. - 6:41 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

15h 41m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

C$ 1,109Delta

Sun, 30 Aug - Sat, 12 Sep

7:00 a.m. - 5:30 p.m.ONT Ontario-YUL Montreal Pierre Elliott Trudeau Intl

7h 30m1 stop Chicago O'Hare Intl

4:55 p.m. - 10:35 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ONT Ontario

8h 40m1 stop Chicago O'Hare Intl

C$ 1,121United Airlines

Wed, 26 Aug - Fri, 4 Sep

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WestJet flights from Ontario to Montreal

Our best WestJet deals on Ontario to Montreal flight tickets

WestJet

19 Oct

ONT11:56 a.m.Ontario

16h 09m

2 stops

YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl

24 Oct

YUL7:15 a.m.Montreal Pierre Elliott Trudeau Intl

18h 28m

2 stops

ONT10:43 p.m.Ontario

C$ 848

WestJet

23 Sep

ONT6:00 a.m.Ontario

22h 05m

2 stops

YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl

29 Sep

YUL7:15 a.m.Montreal Pierre Elliott Trudeau Intl

37h 04m

2 stops

ONT5:19 p.m.Ontario

C$ 855

WestJet

23 Sep

ONT11:54 a.m.Ontario

16h 11m

2 stops

YUL7:05 a.m.Montreal Pierre Elliott Trudeau Intl

29 Sep

YUL7:15 a.m.Montreal Pierre Elliott Trudeau Intl

18h 25m

2 stops

ONT10:40 p.m.Ontario

C$ 856

Air Canada flights from Ontario to Montreal

Our best Air Canada deals on Ontario to Montreal flight tickets

Air Canada

7 Oct

ONT5:00 a.m.Ontario

7h 29m

1 stop

YUL3:29 p.m.Montreal Pierre Elliott Trudeau Intl

14 Oct

YUL8:15 a.m.Montreal Pierre Elliott Trudeau Intl

15h 43m

1 stop

ONT8:58 p.m.Ontario

C$ 852

Air Canada

17 Sep

ONT5:00 a.m.Ontario

7h 29m

1 stop

YUL3:29 p.m.Montreal Pierre Elliott Trudeau Intl

23 Sep

YUL8:15 a.m.Montreal Pierre Elliott Trudeau Intl

7h 35m

1 stop

ONT12:50 p.m.Ontario

C$ 860

Air Canada

21 Sep

ONT6:08 a.m.Ontario

10h 39m

1 stop

YUL7:47 p.m.Montreal Pierre Elliott Trudeau Intl

23 Sep

YUL9:45 a.m.Montreal Pierre Elliott Trudeau Intl

16h 14m

1 stop

ONT10:59 p.m.Ontario

C$ 864

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioMontreal

ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl

ONTYUL

Ontario

Tue 8/12

7:05 a.m.-5:34 p.m.

1 stop7h 29m

Montreal Pierre Elliott Trudeau Intl

Tue 26/1

12:45 p.m.-10:14 p.m.

1 stop12h 29m

C$ 731

Quickest round-trip

OntarioMontreal

ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl

ONTYUL

Ontario

Tue 29/9

7:00 a.m.-5:30 p.m.

1 stop7h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 20/4

4:45 p.m.-10:31 p.m.

1 stop8h 46m

C$ 749

OntarioMontreal

ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl

ONTYUL

Ontario

Tue 29/9

7:00 a.m.-5:30 p.m.

1 stop7h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 20/4

11:00 a.m.-8:20 p.m.

2 stops12h 20m

C$ 758

OntarioMontreal

ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl

ONTYUL

Ontario

Tue 8/12

7:05 a.m.-5:34 p.m.

1 stop7h 29m

Montreal Pierre Elliott Trudeau Intl

Wed 20/1

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

2 stops10h 49m

C$ 763

OntarioMontreal

ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl

ONTYUL

Ontario

Mon 7/12

7:05 a.m.-5:34 p.m.

1 stop7h 29m

Montreal Pierre Elliott Trudeau Intl

Tue 26/1

12:45 p.m.-10:14 p.m.

1 stop12h 29m

C$ 765

OntarioMontreal

ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl

ONTYUL

Ontario

Tue 8/12

6:00 a.m.-11:33 p.m.

2 stops14h 33m

Montreal Pierre Elliott Trudeau Intl

Tue 26/1

4:55 p.m.-11:48 p.m.

2 stops9h 53m

C$ 772

OntarioMontreal

ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl

ONTYUL

Ontario

Tue 6/10

12:16 p.m.-11:54 p.m.

1 stop8h 38m

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

12:44 p.m.-9:54 p.m.

1 stop12h 10m

C$ 785

OntarioMontreal

ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl

ONTYUL

Ontario

Mon 7/12

11:08 p.m.-11:36 a.m.

1 stop9h 28m

Montreal Pierre Elliott Trudeau Intl

Thu 21/1

12:45 p.m.-10:14 p.m.

1 stop12h 29m

C$ 798

OntarioMontreal

ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl

ONTYUL

Ontario

Tue 8/12

7:05 a.m.-5:34 p.m.

1 stop7h 29m

Montreal Pierre Elliott Trudeau Intl

Thu 21/1

9:28 a.m.-10:14 p.m.

2 stops15h 46m

C$ 799

OntarioMontreal

ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl

ONTYUL

Ontario

Wed 9/12

6:00 a.m.-11:43 p.m.

2 stops14h 43m

Montreal Pierre Elliott Trudeau Intl

Mon 25/1

12:45 p.m.-11:48 p.m.

2 stops14h 03m

C$ 806

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 Saturday is the least expensive day to fly to Montreal. Tickets to fly out on this day can be as low as C$ 481. 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$ 825.

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$ 362. Flights in the morning are often more expensive with an average ticket price of C$ 669.

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

Best price found	C$ 301
Fastest flight time	7h 22m
Direct flights	None

The best one-way flight to Montreal from Ontario in the past 72 hours is C$ 301. The best round-trip flight deal from Ontario to Montreal found on momondo in the last 72 hours is C$ 731.

The fastest flight from Ontario to Montreal takes 7h 22m

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

Search flight deals

Frequently asked questions about flying from Ontario to Montreal

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 22m 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.

An easier way to manage your Montreal trip

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Feeling lucky

Fly into one of these airports located in Montreal

Montreal St Hubert Airport

Montreal Pierre Elliott Trudeau Intl Airport

Cheap flights from Ontario to Montreal from C$ 301

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 8/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Ontario to Montreal

Cheap round-trip flights

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Cheap last-minute flights

Big names, great deals

Big names, great deals

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WestJet flights from Ontario to Montreal

Our best WestJet deals on Ontario to Montreal flight tickets

Air Canada flights from Ontario to Montreal

Our best Air Canada deals on Ontario to Montreal flight tickets

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See travel insights to Montreal from

How to get the cheapest flight ticket from Ontario to Montreal

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

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

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

When to book flights from Ontario to Montreal

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

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Ontario to Montreal

Why use momondo?

An easier way to manage your Montreal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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

Fly your favourite airline to Montreal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Montreal

List of cabin classes available on flights landing in Montreal. Availability may vary depending on flight origin and airline.

Popular Cities in Canada

Popular flights according to clicks in the last 7 days on momondo

Complete your trip to Montreal

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