$218+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — YMQ
Sep 24 — Oct 11
Round-trip
1 adult, Economy
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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
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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
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Cheapest flights from Ontario to MontrealExplore 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 August 25, 2026.
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 August 25, 2026.
This Delta deal was found by Cheapflights users on 8/24. 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 12/812:20 pm -
1 stop8h 38m
Sat 1/2312:45 pm -
1 stop12h 29m
Deal found 8/24![Delta logo]()
$529
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 9/297:00 am -
1 stop7h 30m
Tue 4/204:45 pm -
1 stop8h 46m
Deal found 8/24![United Airlines logo]()
$542
This Delta deal was found by Cheapflights users on 8/24. 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 12/87:05 am -
1 stop7h 29m
Wed 1/202:25 pm -
2 stops10h 49m
Deal found 8/24![Delta logo]()
$552
This Delta deal was found by Cheapflights users on 8/24. 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.
Mon 12/77:05 am -
1 stop7h 29m
Tue 1/2612:45 pm -
1 stop12h 29m
Deal found 8/24![Delta logo]()
$553
This Delta deal was found by Cheapflights users on 8/24. 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 12/86:00 am -
2 stops14h 33m
Tue 1/264:55 pm -
2 stops9h 53m
Deal found 8/24![Delta logo]()
$558
This Delta deal was found by Cheapflights users on 8/24. 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 10/612:16 pm -
1 stop8h 38m
Thu 10/1512:44 pm -
1 stop12h 10m
Deal found 8/24![Delta logo]()
$568
This Delta deal was found by Cheapflights users on 8/24. 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.
Mon 12/711:08 pm -
1 stop9h 28m
Thu 1/2112:45 pm -
1 stop12h 29m
Deal found 8/24![Delta logo]()
$577
This Delta deal was found by Cheapflights users on 8/24. 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 12/87:05 am -
1 stop7h 29m
Thu 1/219:28 am -
2 stops15h 46m
Deal found 8/24![Delta logo]()
$578
This Delta deal was found by Cheapflights users on 8/25. 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.
Wed 12/3010:29 pm -
1 stop10h 08m
Sat 1/912:45 pm -
1 stop12h 29m
Deal found 8/25![Delta logo]()
$581
This Delta deal was found by Cheapflights users on 8/24. 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.
Wed 12/96:00 am -
2 stops14h 43m
Fri 1/229:28 am -
2 stops15h 46m
Deal found 8/24![Delta logo]()
$583
This Delta deal was found by Cheapflights users on 8/25. 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.
Wed 12/3010:29 pm -
1 stop10h 08m
Wed 1/64:55 pm -
2 stops9h 53m
Deal found 8/25![Delta logo]()
$591
Best flights from Ontario to MontrealDiscover carefully curated flight deals from Ontario to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
Discover carefully curated flight deals from Ontario to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
This Delta deal was found by Cheapflights users on 8/24. 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.
Sat 12/1212:20 pm -
1 stop8h 38m
Wed 1/2012:45 pm -
1 stop12h 29m
Deal found 8/24![Delta logo]()
$529
This United Airlines deal was found by Cheapflights users on 8/25. 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.
Wed 9/231:56 pm -
1 stop15h 20m
Tue 9/299:15 am -
2 stops14h 43m
Deal found 8/25![United Airlines logo]()
$552
This Delta deal was found by Cheapflights users on 8/24. 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.
Mon 12/77:05 am -
1 stop7h 29m
Sat 1/2312:45 pm -
1 stop12h 29m
Deal found 8/24![Delta logo]()
$553
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/121:56 pm -
1 stop15h 20m
Tue 9/159:45 am -
1 stop16h 14m
Deal found 8/24![United Airlines logo]()
$611
This Delta deal was found by Cheapflights users on 8/22. 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.
Wed 12/912:20 pm -
1 stop8h 38m
Wed 1/209:28 am -
2 stops15h 46m
Deal found 8/22![Delta logo]()
$630
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Wed 12/2311:52 pm -
1 stop18h 25m
Sun 1/36:00 am -
2 stops18h 00m
Deal found 8/20![United Airlines logo]()
$659
This Delta deal was found by Cheapflights users on 8/22. 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.
Wed 10/712:16 pm -
1 stop8h 38m
Thu 10/1512:44 pm -
1 stop12h 10m
Deal found 8/22![Delta logo]()
$650
This Delta deal was found by Cheapflights users on 8/21. 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.
Mon 1/257:00 am -
2 stops13h 10m
Sat 1/3012:45 pm -
1 stop12h 29m
Deal found 8/21![Delta logo]()
$659
This Delta deal was found by Cheapflights users on 8/21. 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.
Sat 9/512:00 pm -
1 stop8h 52m
Thu 9/1012:48 pm -
2 stops12h 16m
Deal found 8/21![Delta logo]()
$659
This Delta deal was found by Cheapflights users on 8/22. 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.
Fri 12/1112:20 pm -
1 stop8h 38m
Sat 1/234:55 pm -
2 stops9h 53m
Deal found 8/22![Delta logo]()
$660
Last-minute flights from Ontario to MontrealDiscover last-minute flight deals from Ontario to Montreal. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Montreal. Data last updated August 25, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/21. 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 9/511:00 am -
1 stop18h 16m
Sat 9/129:45 am -
1 stop16h 14m
Deal found 8/21![United Airlines logo]()
$620
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/121:56 pm -
1 stop15h 20m
Tue 9/156:10 am -
2 stops16h 51m
Deal found 8/24![United Airlines logo]()
$552
This Kissandfly.com deal was found by Cheapflights users on 8/23. 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.
Sun 9/1310:00 pm -
1 stop10h 36m
Sat 9/199:45 am -
1 stop16h 14m
Deal found 8/23![Multiple Airlines logo]()
$609
This American Airlines deal was found by Cheapflights users on 8/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:11 pm -
2 stops13h 33m
Wed 9/233:45 pm -
1 stop9h 52m
Deal found 8/24![American Airlines logo]()
$578
This Air Canada deal was found by Cheapflights users on 8/25. 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.
Thu 9/175:00 am -
1 stop7h 29m
Wed 9/238:15 am -
1 stop7h 35m
Deal found 8/25![Air Canada logo]()
$622
This oojo deal was found by Cheapflights users on 8/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:00 am -
2 stops22h 05m
Tue 9/297:15 am -
2 stops37h 04m
Deal found 8/21![WestJet logo]()
$618
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 9/297:00 am -
1 stop7h 30m
Tue 4/204:45 pm -
1 stop8h 46m
Deal found 8/24![United Airlines logo]()
$542
One-way flights from Ontario to MontrealSearch for one-way flight options from Ontario to Montreal. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
Search for one-way flight options from Ontario to Montreal. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:35 pm -
3 stops31h 30m
Deal found 8/24![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:15 am -
3 stops32h 57m
Deal found 8/23![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:01 pm -
2 stops40h 04m
Deal found 8/21![Multiple Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:45 am -
3 stops40h 20m
Deal found 8/23![Multiple Airlines logo]()
$230
This Delta deal was found by Cheapflights users on 8/25. 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 12/812:20 pm -
1 stop8h 38m
Deal found 8/25![Delta logo]()
$235
This United Airlines deal was found by Cheapflights users on 8/24. 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 9/191:56 pm -
1 stop15h 20m
Deal found 8/24![United Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 8/24. 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.
Wed 9/96:00 am -
2 stops14h 44m
Deal found 8/24![Delta logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:04 am -
3 stops34h 41m
Deal found 8/23![Multiple Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 8/25. 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.
Mon 12/711:08 pm -
1 stop9h 28m
Deal found 8/25![Delta logo]()
$259
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 August 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $529 (Delta) |
One-way from | $218 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $679 |
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 7,457,451 searches. Data last updated August 25, 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
Cheapest round-trip
OntarioMontreal
ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl
ONTYUL
Ontario
Sat 12/12
12:20 pm-11:58 pm
1 stop8h 38m
Montreal Pierre Elliott Trudeau Intl
Wed 1/20
12:45 pm-10:14 pm
1 stop12h 29m
$529
OntarioMontreal
ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl
ONTYUL
Ontario
Wed 9/23
1:56 pm-8:16 am
1 stop15h 20m
Montreal Pierre Elliott Trudeau Intl
Tue 9/29
9:15 am-8:58 pm
2 stops14h 43m
$552
OntarioMontreal
ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl
ONTYUL
Ontario
Mon 12/7
7:05 am-5:34 pm
1 stop7h 29m
Montreal Pierre Elliott Trudeau Intl
Sat 1/23
12:45 pm-10:14 pm
1 stop12h 29m
$553
OntarioMontreal
ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl
ONTYUL
Ontario
Sat 9/12
1:56 pm-8:16 am
1 stop15h 20m
Montreal Pierre Elliott Trudeau Intl
Tue 9/15
9:45 am-10:59 pm
1 stop16h 14m
$611
OntarioMontreal
ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl
ONTYUL
Ontario
Wed 12/9
12:20 pm-11:58 pm
1 stop8h 38m
Montreal Pierre Elliott Trudeau Intl
Wed 1/20
9:28 am-10:14 pm
2 stops15h 46m
$630
OntarioMontreal
ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl
ONTYUL
Ontario
Wed 10/7
12:16 pm-11:54 pm
1 stop8h 38m
Montreal Pierre Elliott Trudeau Intl
Thu 10/15
12:44 pm-9:54 pm
1 stop12h 10m
$650
OntarioMontreal
ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl
ONTYUL
Ontario
Wed 12/23
11:52 pm-9:17 pm
1 stop18h 25m
Montreal Pierre Elliott Trudeau Intl
Sun 1/3
6:00 am-9:00 pm
2 stops18h 00m
$659
OntarioMontreal
ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl
ONTYUL
Ontario
Mon 1/25
7:00 am-11:10 pm
2 stops13h 10m
Montreal Pierre Elliott Trudeau Intl
Sat 1/30
12:45 pm-10:14 pm
1 stop12h 29m
$659
OntarioMontreal
ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl
ONTYUL
Ontario
Sat 9/5
12:00 pm-11:52 pm
1 stop8h 52m
Montreal Pierre Elliott Trudeau Intl
Thu 9/10
12:48 pm-10:04 pm
2 stops12h 16m
$659
Quickest round-trip
OntarioMontreal
ONT Ontario - YUL Montreal Pierre Elliott Trudeau Intl
ONTYUL
Ontario
Fri 12/11
12:20 pm-11:58 pm
1 stop8h 38m
Montreal Pierre Elliott Trudeau Intl
Sat 1/23
4:55 pm-11:48 pm
2 stops9h 53m
$660
Showing 1-10 of 19 resultsSorted by cheapest first
- 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.
ONT-YMQ
ONT-YUL
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
ONT-YMQ
ONT-YUL
No data available for this route at this time. Please check back soon.
Related info for your journey
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