$87+ Cheap flights from Massachusetts to Ontario
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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
Apr 14 — Apr 211
Round-trip
1 adult, Economy
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Cheapest flights from Massachusetts to OntarioExplore the most affordable flight options available from Massachusetts to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 15, 2026.
Explore the most affordable flight options available from Massachusetts to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 15, 2026.
This FlightHub deal was found by Cheapflights users on 3/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:35 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Mon 5/253:55 pm
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 3/10![Porter Airlines logo]()
$219
This Booking.com deal was found by Cheapflights users on 3/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:45 am
BOS
- YYZ
Nonstop1h 53m
Air Canada
Fri 5/18:10 am
YYZ
- BOS
Nonstop1h 44m
Air Canada
Deal found 3/10![Air Canada logo]()
$221
This FlightHub deal was found by Cheapflights users on 3/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1310:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Sun 6/147:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 3/10![Porter Airlines logo]()
$222
This FlightHub deal was found by Cheapflights users on 3/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Wed 6/177:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 3/10![Porter Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Fri 6/1210:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Mon 6/157:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 3/11![Porter Airlines logo]()
$225
This FlightHub deal was found by Cheapflights users on 3/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1510:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Sun 6/213:55 pm
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 3/11![Porter Airlines logo]()
$227
This FlightHub deal was found by Cheapflights users on 3/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:35 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Fri 5/227:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 3/11![Porter Airlines logo]()
$229
This FlightHub deal was found by Cheapflights users on 3/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1910:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Mon 6/227:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 3/11![Porter Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:35 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Sun 6/147:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 3/10![Porter Airlines logo]()
$231
This Mytrip deal was found by Cheapflights users on 3/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/23:30 pm
BOS
- YTZ
1 stop4h 33m
Multiple Airlines
Sun 4/55:30 pm
YTZ
- BOS
1 stop3h 57m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$248
This Gotogate deal was found by Cheapflights users on 3/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:25 pm
BOS
- YTZ
Nonstop1h 47m
Air Transat
Sat 6/61:00 pm
YTZ
- BOS
Nonstop1h 41m
Air Transat
Deal found 3/10![Air Transat logo]()
$249
This FlightHub deal was found by Cheapflights users on 3/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:00 am
BOS
- YTZ
Nonstop1h 54m
Air Transat
Mon 4/137:35 pm
YTZ
- BOS
Nonstop1h 35m
Air Transat
Deal found 3/10![Air Transat logo]()
$251
Best flights from Massachusetts to OntarioDiscover carefully curated flight deals from Massachusetts to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 15, 2026.
Discover carefully curated flight deals from Massachusetts to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 15, 2026.
This Porter Airlines deal was found by Cheapflights users on 3/10. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Sat 6/67:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 3/10![Porter Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/36:00 am
BOS
- YYZ
1 stop5h 43m
United Airlines
Sun 4/57:30 am
YYZ
- BOS
1 stop5h 59m
United Airlines
Deal found 3/13![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 3/14. 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 5/157:00 pm
BOS
- YYZ
1 stop4h 41m
Delta
Tue 5/196:00 am
YYZ
- BOS
1 stop5h 10m
Delta
Deal found 3/14![Delta logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:52 am
ALB
- YYZ
1 stop24h 51m
Multiple Airlines
Fri 5/17:10 am
YYZ
- ALB
2 stops11h 19m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Sat 5/95:29 am
ALB
- YYZ
1 stop11h 16m
American Airlines
Sun 5/1011:10 am
YYZ
- ALB
1 stop12h 47m
American Airlines
Deal found 3/11![American Airlines logo]()
$545
This Porter Airlines deal was found by Cheapflights users on 3/14. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/14:45 pm
BOS
- YUL
Nonstop1h 30m
Porter Airlines
Tue 6/27:20 pm
YUL
- BOS
Nonstop1h 35m
Porter Airlines
Deal found 3/14![Porter Airlines logo]()
$298
This FlightHub deal was found by Cheapflights users on 3/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:35 am
BDL
- YYZ
1 stop3h 50m
WestJet
Sun 8/92:15 pm
YYZ
- BDL
1 stop9h 21m
WestJet
Deal found 3/10![WestJet logo]()
$634
This FlightHub deal was found by Cheapflights users on 3/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2011:15 am
BOS
- YUL
1 stop6h 00m
Porter Airlines
Mon 5/257:20 pm
YUL
- BOS
Nonstop1h 35m
Porter Airlines
Deal found 3/10![Porter Airlines logo]()
$301
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/37:05 am
BOS
- YYZ
1 stop4h 38m
United Airlines
Sat 4/43:00 pm
YYZ
- BOS
1 stop6h 00m
United Airlines
Deal found 3/13![United Airlines logo]()
$358
This Air Canada deal was found by Cheapflights users on 3/13. 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.
Tue 6/26:00 am
BDL
- YTZ
1 stop12h 42m
Air Canada
Wed 6/32:55 pm
YTZ
- BDL
1 stop9h 04m
Air Canada
Deal found 3/13![Air Canada logo]()
$716
This Porter Airlines deal was found by Cheapflights users on 3/12. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:45 pm
BOS
- YYZ
1 stop19h 43m
Porter Airlines
Sun 6/73:55 pm
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 3/12![Porter Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 3/11. 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 3/2812:00 pm
BOS
- YYZ
1 stop8h 27m
Delta
Wed 4/16:00 am
YYZ
- BOS
1 stop7h 15m
Delta
Deal found 3/11![Delta logo]()
$387
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 4/65:45 am
BOS
- YOW
1 stop4h 18m
United Airlines
Thu 4/93:10 pm
YOW
- BOS
1 stop6h 44m
United Airlines
Deal found 3/13![United Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 3/11. 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 3/268:00 am
BOS
- YYZ
1 stop8h 14m
Delta
Sun 4/56:00 am
YYZ
- BOS
1 stop8h 11m
Delta
Deal found 3/11![Delta logo]()
$387
This Porter Airlines deal was found by Cheapflights users on 3/10. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:15 am
BOS
- YUL
1 stop7h 00m
Porter Airlines
Sat 5/1610:35 am
YUL
- BOS
1 stop6h 11m
Porter Airlines
Deal found 3/10![Porter Airlines logo]()
$327
This Porter Airlines deal was found by Cheapflights users on 3/10. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/133:30 pm
BOS
- YTZ
1 stop4h 33m
Porter Airlines
Wed 4/157:35 am
YTZ
- BOS
2 stops10h 37m
Porter Airlines
Deal found 3/10![Porter Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
Fri 5/1510:52 am
ALB
- YYZ
1 stop10h 03m
Multiple Airlines
Sun 5/175:50 pm
YYZ
- ALB
2 stops25h 47m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$496
This Porter Airlines deal was found by Cheapflights users on 3/12. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:15 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Sun 6/74:00 pm
YTZ
- BOS
1 stop4h 55m
Porter Airlines
Deal found 3/12![Porter Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 6/116:00 am
BDL
- YYZ
1 stop14h 40m
Multiple Airlines
Mon 6/159:50 am
YYZ
- BDL
1 stop10h 17m
Multiple Airlines
Deal found 3/13![Multiple Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 3/10. 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.
Fri 4/241:51 pm
ALB
- YYZ
1 stop7h 24m
Delta
Fri 5/16:00 am
YYZ
- ALB
1 stop7h 11m
Delta
Deal found 3/10![Delta logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:00 am
BOS
- YOW
1 stop4h 29m
Porter Airlines
Thu 4/168:40 am
YOW
- BOS
1 stop4h 00m
Porter Airlines
Deal found 3/10![Porter Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 3/11. 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 4/105:50 am
ALB
- YYZ
1 stop7h 46m
Delta
Fri 4/172:34 pm
YYZ
- ALB
1 stop8h 24m
Delta
Deal found 3/11![Delta logo]()
$490
This FlightHub deal was found by Cheapflights users on 3/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2210:05 am
BOS
- YOW
1 stop4h 50m
Porter Airlines
Mon 5/252:30 pm
YOW
- BOS
Nonstop1h 30m
Porter Airlines
Deal found 3/14![Porter Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/268:07 pm
ALB
- YYZ
2 stops16h 12m
Multiple Airlines
Sun 5/37:30 am
YYZ
- ALB
1 stop26h 32m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$549
This United Airlines deal was found by Cheapflights users on 3/13. 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 5/3012:24 pm
ALB
- YYZ
1 stop8h 20m
United Airlines
Sun 5/3110:15 am
YYZ
- ALB
1 stop5h 11m
United Airlines
Deal found 3/13![United Airlines logo]()
$549
This American Airlines deal was found by Cheapflights users on 3/15. 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.
Sat 5/169:07 am
BDL
- YUL
2 stops12h 30m
American Airlines
Mon 5/187:45 am
YUL
- BDL
2 stops27h 47m
American Airlines
Deal found 3/15![American Airlines logo]()
$680
This Air Canada deal was found by Cheapflights users on 3/15. 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.
Mon 6/16:00 am
BDL
- YTZ
1 stop12h 42m
Air Canada
Tue 6/92:55 pm
YTZ
- BDL
1 stop9h 04m
Air Canada
Deal found 3/15![Air Canada logo]()
$716
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:53 pm
ALB
- YYZ
1 stop18h 12m
Multiple Airlines
Mon 6/299:30 am
YYZ
- ALB
1 stop9h 33m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$551
This United Airlines deal was found by Cheapflights users on 3/13. 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 4/296:00 am
ALB
- YYZ
1 stop4h 04m
United Airlines
Sat 5/28:50 am
YYZ
- ALB
1 stop6h 13m
United Airlines
Deal found 3/13![United Airlines logo]()
$570
This Porter Airlines deal was found by Cheapflights users on 3/10. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:30 pm
BOS
- YOW
Nonstop1h 29m
Porter Airlines
Sun 5/32:30 pm
YOW
- BOS
Nonstop1h 30m
Porter Airlines
Deal found 3/10![Porter Airlines logo]()
$354
Last-minute flights from Massachusetts to OntarioDiscover last-minute flight deals from Massachusetts to Ontario. Data last updated March 15, 2026 and is based on user searches.
Discover last-minute flight deals from Massachusetts to Ontario. Data last updated March 15, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/17:00 am
BOS
- YTZ
Nonstop1h 54m
Porter Airlines
Sat 4/411:20 am
YTZ
- BOS
Nonstop1h 35m
Porter Airlines
Deal found 3/11![Porter Airlines logo]()
$257
This Vliegwinkel deal was found by Cheapflights users on 3/12. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:15 am
BOS
- YYZ
Nonstop1h 53m
Air Canada
Sun 4/58:15 am
YYZ
- BOS
Nonstop1h 41m
Air Canada
Deal found 3/12![Air Canada logo]()
$246
This Mytrip deal was found by Cheapflights users on 3/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/23:30 pm
BOS
- YTZ
1 stop4h 33m
Multiple Airlines
Sun 4/55:30 pm
YTZ
- BOS
1 stop3h 57m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$248
This Mytrip deal was found by Cheapflights users on 3/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/310:40 am
BOS
- YYZ
1 stop5h 59m
Air Canada
Mon 4/66:15 am
YYZ
- BOS
1 stop3h 34m
Air Canada
Deal found 3/11![Air Canada logo]()
$255
This Trip.com deal was found by Cheapflights users on 3/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/83:30 pm
BOS
- YTZ
1 stop4h 33m
Porter Airlines
Wed 4/158:00 am
YTZ
- BOS
Nonstop1h 35m
Porter Airlines
Deal found 3/11![Porter Airlines logo]()
$254
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:00 am
BOS
- YTZ
Nonstop1h 54m
Multiple Airlines
Wed 4/157:35 pm
YTZ
- BOS
Nonstop1h 35m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$256
This FlightHub deal was found by Cheapflights users on 3/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/107:00 am
BOS
- YTZ
Nonstop1h 54m
Air Transat
Mon 4/137:35 pm
YTZ
- BOS
Nonstop1h 35m
Air Transat
Deal found 3/10![Air Transat logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/1210:20 am
BOS
- YTZ
Nonstop1h 54m
Porter Airlines
Thu 4/308:00 am
YTZ
- BOS
Nonstop1h 35m
Porter Airlines
Deal found 3/11![Porter Airlines logo]()
$252
This Booking.com deal was found by Cheapflights users on 3/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:45 am
BOS
- YYZ
Nonstop1h 53m
Air Canada
Fri 5/18:10 am
YYZ
- BOS
Nonstop1h 44m
Air Canada
Deal found 3/10![Air Canada logo]()
$221
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/247:00 am
BOS
- YTZ
Nonstop1h 54m
Multiple Airlines
Fri 5/13:05 pm
YTZ
- BOS
Nonstop1h 41m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$253
This SmartFares deal was found by Cheapflights users on 3/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:45 pm
BOS
- YYZ
Nonstop1h 58m
Air Canada
Sat 5/22:15 pm
YYZ
- BOS
Nonstop1h 41m
Air Canada
Deal found 3/11![Air Canada logo]()
$243
This Trip.com deal was found by Cheapflights users on 3/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:00 am
BOS
- YTZ
Nonstop1h 54m
Porter Airlines
Mon 5/410:00 am
YTZ
- BOS
1 stop6h 00m
Porter Airlines
Deal found 3/11![Porter Airlines logo]()
$255
One-way flights from Massachusetts to OntarioSearch for one-way flight options from Massachusetts to Ontario. Find affordable one-way fares based on user searches. Data last updated March 15, 2026.
Search for one-way flight options from Massachusetts to Ontario. Find affordable one-way fares based on user searches. Data last updated March 15, 2026.
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/243:40 pm
BOS
- YUL
Nonstop1h 33m
Air Canada
Deal found 3/10![Air Canada logo]()
$87
This Flightnetwork deal was found by Cheapflights users on 3/10. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/183:40 pm
BOS
- YYZ
1 stop6h 18m
Air Canada
Deal found 3/10![Air Canada logo]()
$98
This Gotogate deal was found by Cheapflights users on 3/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:15 am
BOS
- YYZ
Nonstop1h 53m
Air Canada
Deal found 3/11![Air Canada logo]()
$101
This oojo deal was found by Cheapflights users on 3/11. 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.
Mon 5/256:35 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Deal found 3/11![Porter Airlines logo]()
$102
This Air Canada deal was found by Cheapflights users on 3/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:15 am
BOS
- YYZ
Nonstop1h 53m
Air Canada
Deal found 3/10![Air Canada logo]()
$103
This Air Canada deal was found by Cheapflights users on 3/11. 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 4/26:15 am
BOS
- YYZ
Nonstop1h 53m
Air Canada
Deal found 3/11![Air Canada logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 5/174:45 pm
BOS
- YUL
Nonstop1h 30m
Porter Airlines
Deal found 3/13![Porter Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Fri 5/111:15 am
BOS
- YUL
1 stop6h 00m
Porter Airlines
Deal found 3/11![Porter Airlines logo]()
$110
This Mytrip deal was found by Cheapflights users on 3/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/154:45 pm
BOS
- YUL
Nonstop1h 30m
Porter Airlines
Deal found 3/15![Porter Airlines logo]()
$111
This Trip.com deal was found by Cheapflights users on 3/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:00 am
BOS
- YUL
1 stop6h 00m
Porter Airlines
Deal found 3/13![Porter Airlines logo]()
$112
This CheapOair deal was found by Cheapflights users on 3/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:00 am
BOS
- YTZ
Nonstop1h 54m
Air Transat
Deal found 3/10![Air Transat logo]()
$113
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1110:20 am
BOS
- YUL
1 stop4h 55m
Porter Airlines
Deal found 3/10![Porter Airlines logo]()
$113
Find flight deals from Massachusetts to Ontario
Keep the following information in mind while searching for Massachusetts to Ontario flight deals. Data was last updated March 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $219 (FlightHub) |
One-way from | $87 (Mytrip) |
Popular in | November |
Cheapest in | October |
Average price | $310 |
Good round-trip deal | $261 or less |
Good one-way deal | $94 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Massachusetts to Ontario 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 March 15, 2026.
Use the filters below to find and compare flights from Massachusetts to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Wed 6/3
10:05 am-12:00 pm
Nonstop1h 55m
Toronto Pearson Intl
Sat 6/6
7:25 am-9:05 am
Nonstop1h 40m
$259
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Mon 6/1
4:45 pm-6:15 pm
Nonstop1h 30m
Montreal Pierre Elliott Trudeau Intl
Tue 6/2
7:20 pm-8:55 pm
Nonstop1h 35m
$298
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Wed 5/20
11:15 am-5:15 pm
1 stop6h 00m
Montreal Pierre Elliott Trudeau Intl
Mon 5/25
7:20 pm-8:55 pm
Nonstop1h 35m
$301
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Sat 6/6
4:45 pm-12:28 pm
1 stop19h 43m
Toronto Pearson Intl
Sun 6/7
3:55 pm-5:35 pm
Nonstop1h 40m
$312
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Sat 5/9
11:15 am-6:15 pm
1 stop7h 00m
Montreal Pierre Elliott Trudeau Intl
Sat 5/16
10:35 am-4:46 pm
1 stop6h 11m
$327
BostonToronto
BOS - YTZ
BOSYTZ
Boston Logan Intl
Mon 4/13
3:30 pm-8:03 pm
1 stop4h 33m
Toronto Island
Wed 4/15
7:35 am-6:12 pm
2 stops10h 37m
$328
BostonToronto
BOS - YTZ
BOSYTZ
Boston Logan Intl
Thu 6/4
11:15 am-1:02 pm
Nonstop1h 47m
Toronto Island
Sun 6/7
4:00 pm-8:55 pm
1 stop4h 55m
$332
BostonOttawa
BOS - YOW
BOSYOW
Boston Logan Intl
Sun 4/12
7:00 am-11:29 am
1 stop4h 29m
Ottawa
Thu 4/16
8:40 am-12:40 pm
1 stop4h 00m
$337
BostonOttawa
BOS - YOW
BOSYOW
Boston Logan Intl
Fri 5/22
10:05 am-2:55 pm
1 stop4h 50m
Ottawa
Mon 5/25
2:30 pm-4:00 pm
Nonstop1h 30m
$339
Quickest round-trip
BostonOttawa
BOS - YOW
BOSYOW
Boston Logan Intl
Wed 4/29
3:30 pm-4:59 pm
Nonstop1h 29m
Ottawa
Sun 5/3
2:30 pm-4:00 pm
Nonstop1h 30m
$354
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Massachusetts to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Massachusetts with our price prediction graph.
BOS-YYZ
BOS-YTZ
ALB-YYZ
BOS-YUL
BDL-YYZ
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 Massachusetts to Ontario
USMA-CAON
BOS-YYZ
BOS-YTZ
ALB-YYZ
BOS-YUL
What is the cheapest month to book a flight from Massachusetts to Region of Ontario?
Currently, April is the cheapest month in which you can book a flight from Massachusetts to Region of Ontario (average of $118). Flying from Massachusetts to Region of Ontario in December is currently the most expensive (average of $217). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MA to ON?
Find hourly flight availability from Massachusetts to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 15, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 22% on flights from Massachusetts to Region of Ontario by exploring options for tickets in the morning.
What is the cheapest day to fly from Massachusetts to Region of Ontario?
Use this chart to determine the cheapest time to fly round-trip from Massachusetts to Ontario. Price data was last updated on March 14, 2026.
Travelers seeking maximum savings on their Massachusetts to Region of Ontario flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Massachusetts to Region of Ontario
Explore weekly flight availability from Massachusetts to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 15, 2026.
The most flights from USMA to CAON are scheduled on a Friday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated March 15, 2026.
Get a feel of what it's like to fly with Porter Airlines,Delta, andAir Transat from Massachusetts to Ontario by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Entertainment
7.0
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Entertainment
7.0
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Entertainment
7.0
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Entertainment
7.0
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Entertainment
7.0
Overall
8.0
Crew
8.6
Food
7.6
Boarding
8.2
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Related info for your journey
Find useful and relevant information for your journey from Massachusetts to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Massachusetts to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Massachusetts to Ontario by cabin class
Find flights from Massachusetts to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Massachusetts and Ontario flights
Browse other Massachusetts and Ontario flight options. Last updated on March 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Ontario
Find the right flight back to Massachusetts after your stay in Ontario
Massachusetts to Ontario flights
Consider these flights traveling from Massachusetts to Ontario.
Top 6 airlines flying from Massachusetts to Ontario
Discover the top 6 airlines that operate flights from Massachusetts to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$125 | Average$425 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$128 | Average$194 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$359 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$220 | Average$570 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$223 | Average$372 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$286 | Average$402 | FlexibilityNo cancel fee | On-time71% |