HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Montreal

$223+ Cheap flights from Ontario (ONT) to Montreal (YMQ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YMQ
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Montreal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Montreal

Cheapest flights from Ontario to Montreal
Explore the most affordable flight options available from Ontario to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.

This Kissandfly.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:10 am
ONT
-
YUL
1 stop8h 20m
Lufthansa
Thu 7/99:45 am
YUL
-
ONT
1 stop16h 06m
Lufthansa
Deal found 6/9$484
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/911:48 am
ONT
-
YUL
1 stop9h 04m
Delta
Tue 7/1412:44 pm
YUL
-
ONT
1 stop8h 46m
Delta
Deal found 6/10$520
This Air Canada deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:00 am
ONT
-
YUL
1 stop7h 29m
Air Canada
Thu 9/244:30 pm
YUL
-
ONT
1 stop7h 28m
Air Canada
Deal found 6/5$524
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:10 am
ONT
-
YUL
2 stops12h 56m
United Airlines
Thu 7/94:55 pm
YUL
-
ONT
1 stop8h 56m
United Airlines
Deal found 6/9$526
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/185:00 am
ONT
-
YUL
2 stops14h 06m
United Airlines
Wed 7/299:45 am
YUL
-
ONT
1 stop16h 06m
United Airlines
Deal found 6/9$530
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/181:50 pm
ONT
-
YUL
2 stops17h 50m
United Airlines
Sat 7/256:00 am
YUL
-
ONT
2 stops18h 55m
United Airlines
Deal found 6/9$535
This Delta deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3011:50 am
ONT
-
YUL
1 stop9h 05m
Delta
Tue 7/712:44 pm
YUL
-
ONT
1 stop8h 46m
Delta
Deal found 6/5$549
This Kissandfly.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2911:59 pm
ONT
-
YUL
2 stops12h 29m
British Airways
Tue 7/77:17 am
YUL
-
ONT
2 stops14h 01m
British Airways
Deal found 6/7$562
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2311:50 am
ONT
-
YUL
1 stop9h 05m
Delta
Wed 11/1112:45 pm
YUL
-
ONT
1 stop8h 33m
Delta
Deal found 6/7$566

Find flight deals from Ontario to Montreal

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Montreal (YMQ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$484
(Kissandfly.com)

One-way from

$223
(Air Canada)

Popular in

June

Cheapest in

October

Average price

$718
Provider with most accurate pricing for Ontario-Montreal (YMQ) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Montreal (YMQ) flights.
Search Deals
From Ontario to Montreal (YMQ)
Search Deals
One-way flight from Ontario to Montreal (YMQ)
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 10, 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

Cheapest round-trip

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 8/4

6:10 am-5:30 pm

1 stop8h 20m

Montreal Pierre Elliott Trudeau Intl

Fri 8/14

8:10 am-6:07 pm

1 stop12h 57m

$520

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 6/30

11:50 am-11:55 pm

1 stop9h 05m

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

12:44 pm-6:30 pm

1 stop8h 46m

$549
Quickest round-trip

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 8/5

6:10 am-5:30 pm

1 stop8h 20m

Montreal Pierre Elliott Trudeau Intl

Thu 8/13

4:55 pm-10:35 pm

1 stop8h 40m

$596

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 9/29

7:00 am-9:26 pm

1 stop11h 26m

Montreal Pierre Elliott Trudeau Intl

Sat 10/3

9:45 am-10:49 pm

1 stop16h 04m

$617

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Mon 7/27

10:00 pm-4:20 pm

2 stops15h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 8/3

12:44 pm-9:52 pm

1 stop12h 08m

$620

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 8/1

6:10 am-5:30 pm

1 stop8h 20m

Montreal Pierre Elliott Trudeau Intl

Fri 8/7

4:55 pm-10:51 pm

1 stop8h 56m

$628

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 7/21

6:10 am-5:30 pm

1 stop8h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 7/28

4:55 pm-10:51 pm

1 stop8h 56m

$647

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Sat 10/10

5:00 am-3:29 pm

1 stop7h 29m

Montreal Pierre Elliott Trudeau Intl

Sat 10/17

8:10 am-5:46 pm

1 stop12h 36m

$652

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Tue 10/6

8:00 am-7:47 pm

1 stop8h 47m

Montreal Pierre Elliott Trudeau Intl

Tue 10/20

8:10 am-3:11 pm

1 stop10h 01m

$652

OntarioMontreal

ONT - YUL

ONTYUL

Ontario

Wed 7/15

11:48 am-11:52 pm

1 stop9h 04m

Montreal Pierre Elliott Trudeau Intl

Wed 7/29

12:44 pm-9:50 pm

1 stop12h 06m

$655

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3
  • Most accurate provider: When it comes to deals on Ontario-Montreal flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Montreal flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Montreal flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Montreal flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Montreal flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Montreal
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Montreal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Montreal?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Montreal. 0 airlines have flights from Ontario to Montreal on a regular basis. Booking flights from Ontario to Montreal should not be difficult; the airport handles an average of 0 outbound flights to Montreal per day.

  • How long is the flight from Ontario to Montreal?

    Airlines like Lufthansa, Delta, and Air Canada fly from Ontario to Montreal in about 7h 29m. The time it takes to get you to your destination can typically vary by up to 1h 35m. Ontario and Montreal are separated by a distance of 2423 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Ontario to Montreal that include hotel bookings?

    Yes. In addition to deals on Ontario to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Montreal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Montreal.

  • Can I find deals for business class flights from Ontario to Montreal?

    Yes. Cheapflights offers flight deals from Ontario to Montreal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.