$82+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
Jul 15 — Jul 221
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 June 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 June 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Sat 9/195:30 pm
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Tue 9/228:50 am
YTZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/13![Porter Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/197:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Sun 9/203:05 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 6/14![Porter Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Mon 9/1410:00 am
YTZ
- BOS
1 stop6h 00m
Porter Airlines
Deal found 6/15![Porter Airlines logo]()
$203
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Sun 9/273:05 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 6/12![Porter Airlines logo]()
$207
This Gotogate deal was found by Cheapflights users on 6/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Thu 9/106:00 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 6/15![Porter Airlines logo]()
$208
This FlipMilhas deal was found by Cheapflights users on 6/11. 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 FlipMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:00 am
BOS
- YYZ
Nonstop1h 56m
GOL
Wed 9/168:10 am
YYZ
- BOS
Nonstop1h 45m
GOL
Deal found 6/11![GOL logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Thu 7/167:10 am
BOS
- YTZ
Nonstop1h 49m
Porter Airlines
Mon 7/203:05 pm
YTZ
- BOS
Nonstop1h 39m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Sun 9/275:35 pm
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/14![Porter Airlines logo]()
$210
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Sun 7/267:10 am
BOS
- YTZ
Nonstop1h 49m
Multiple Airlines
Sun 8/27:15 am
YTZ
- BOS
Nonstop1h 37m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Thu 7/97:10 am
BOS
- YTZ
Nonstop1h 49m
Porter Airlines
Thu 7/166:05 pm
YTZ
- BOS
Nonstop1h 39m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$211
This Mytrip deal was found by Cheapflights users on 6/15. 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.
Thu 7/99:35 am
BOS
- YTZ
Nonstop1h 59m
Air Canada
Mon 7/135:15 pm
YTZ
- BOS
Nonstop1h 37m
Air Canada
Deal found 6/15![Air Canada logo]()
$212
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:10 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Sun 9/275:35 pm
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/14![Porter Airlines logo]()
$213
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 June 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 June 15, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/134:45 pm
BOS
- YTZ
1 stop5h 35m
Porter Airlines
Fri 8/146:00 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 6/10![Porter Airlines logo]()
$217
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/249:35 am
BOS
- YTZ
Nonstop1h 59m
Air Canada
Sat 8/18:30 am
YTZ
- BOS
1 stop6h 11m
Air Canada
Deal found 6/10![Air Canada logo]()
$264
This United deal was found by Cheapflights users on 6/11. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 pm
BOS
- YYZ
1 stop4h 23m
Multiple Airlines
Wed 8/263:30 pm
YYZ
- BOS
1 stop5h 57m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/127:19 am
BOS
- YYZ
1 stop8h 27m
United Airlines
Fri 7/175:15 pm
YYZ
- BOS
1 stop7h 59m
United Airlines
Deal found 6/11![United Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:00 am
BOS
- YUL
1 stop8h 54m
Delta
Tue 9/16:00 am
YUL
- BOS
2 stops11h 34m
Delta
Deal found 6/13![Delta logo]()
$432
This KAYAK deal was found by Cheapflights users on 6/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:50 am
BOS
- YYZ
Nonstop1h 55m
Air Canada
Fri 7/174:35 pm
YYZ
- BOS
Nonstop1h 47m
Air Canada
Deal found 6/12![Air Canada logo]()
$265
This Porter Airlines deal was found by Cheapflights users on 6/11. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:35 pm
BOS
- YYZ
1 stop6h 29m
Porter Airlines
Tue 8/47:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$270
This United deal was found by Cheapflights users on 6/12. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:25 am
BOS
- YUL
1 stop10h 20m
Multiple Airlines
Sun 7/58:20 am
YUL
- BOS
Nonstop1h 25m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/85:45 am
BOS
- YYZ
1 stop4h 19m
United Airlines
Fri 7/107:43 pm
YYZ
- BOS
1 stop4h 16m
United Airlines
Deal found 6/14![United Airlines logo]()
$290
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/295:00 am
ALB
- YYZ
1 stop11h 45m
American Airlines
Wed 8/511:39 am
YYZ
- ALB
1 stop12h 19m
American Airlines
Deal found 6/14![American Airlines logo]()
$584
This Porter Airlines 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:35 pm
BOS
- YYZ
1 stop6h 29m
Porter Airlines
Fri 8/75:35 pm
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/10![Porter Airlines logo]()
$270
This KAYAK deal was found by Cheapflights users on 6/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:45 am
BOS
- YTZ
2 stops5h 10m
Air Canada
Fri 7/175:15 pm
YTZ
- BOS
Nonstop1h 37m
Air Canada
Deal found 6/12![Air Canada logo]()
$270
This Justfly.com deal was found by Cheapflights users on 6/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am
ALB
- YYZ
1 stop5h 19m
WestJet
Wed 9/96:08 pm
YYZ
- ALB
1 stop4h 58m
WestJet
Deal found 6/12![WestJet logo]()
$623
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/308:00 am
BOS
- YUL
1 stop8h 10m
United Airlines
Tue 7/711:23 am
YUL
- BOS
1 stop8h 05m
United Airlines
Deal found 6/12![United Airlines logo]()
$295
This Porter Airlines deal was found by Cheapflights users on 6/11. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/283:35 pm
BOS
- YYZ
1 stop6h 29m
Porter Airlines
Wed 8/53:40 pm
YYZ
- BOS
1 stop5h 15m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$278
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:35 pm
BOS
- YTZ
1 stop5h 56m
Air Canada
Mon 8/310:45 am
YTZ
- BOS
1 stop3h 56m
Air Canada
Deal found 6/10![Air Canada logo]()
$286
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:00 am
BOS
- YYZ
1 stop10h 28m
United Airlines
Tue 8/47:00 am
YYZ
- BOS
1 stop12h 30m
United Airlines
Deal found 6/10![United Airlines logo]()
$300
This Porter Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 7/293:35 pm
BOS
- YYZ
1 stop6h 29m
Porter Airlines
Wed 8/53:40 pm
YYZ
- BOS
1 stop5h 15m
Porter Airlines
Deal found 6/14![Porter Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Mon 7/139:10 pm
ALB
- YTZ
1 stop18h 50m
Multiple Airlines
Mon 7/2010:50 am
YTZ
- ALB
1 stop9h 30m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 6/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2912:30 pm
BOS
- YYZ
1 stop5h 26m
United Airlines
Tue 6/3012:45 pm
YYZ
- BOS
1 stop6h 29m
United Airlines
Deal found 6/15![United Airlines logo]()
$300
This Porter Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 7/223:35 pm
BOS
- YYZ
2 stops13h 59m
Porter Airlines
Sun 7/267:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/14![Porter Airlines logo]()
$293
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:22 pm
ALB
- YTZ
1 stop18h 38m
Multiple Airlines
Mon 8/1710:50 am
YTZ
- ALB
1 stop9h 42m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$369
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.
Tue 9/2211:00 am
BOS
- YUL
2 stops12h 22m
Delta
Sat 10/109:28 am
YUL
- BOS
1 stop8h 56m
Delta
Deal found 6/10![Delta logo]()
$447
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:00 am
BOS
- YUL
2 stops12h 10m
Delta
Sun 9/139:28 am
YUL
- BOS
1 stop6h 58m
Delta
Deal found 6/12![Delta logo]()
$447
This Porter Airlines deal was found by Cheapflights users on 6/11. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/45:30 pm
BOS
- YTZ
Nonstop1h 49m
Porter Airlines
Fri 7/106:05 pm
YTZ
- BOS
Nonstop1h 39m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/177:53 pm
ALB
- YYZ
1 stop18h 12m
Multiple Airlines
Mon 7/209:30 am
YYZ
- ALB
1 stop9h 33m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/307:10 am
BOS
- YOW
1 stop5h 44m
Porter Airlines
Sat 8/12:30 pm
YOW
- BOS
Nonstop1h 30m
Porter Airlines
Deal found 6/15![Porter Airlines logo]()
$321
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:44 pm
BOS
- YOW
1 stop4h 21m
United Airlines
Sat 8/153:10 pm
YOW
- BOS
1 stop4h 18m
United Airlines
Deal found 6/11![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 6/14. 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.
Mon 10/511:00 am
BOS
- YUL
1 stop7h 53m
Delta
Wed 10/76:00 am
YUL
- BOS
2 stops8h 20m
Delta
Deal found 6/14![Delta logo]()
$511
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/307:10 am
BOS
- YOW
1 stop5h 44m
Porter Airlines
Thu 8/63:30 pm
YOW
- BOS
1 stop4h 11m
Porter Airlines
Deal found 6/15![Porter Airlines logo]()
$322
Last-minute flights from Massachusetts to OntarioDiscover last-minute flight deals from Massachusetts to Ontario. Data last updated June 15, 2026 and is based on user searches.
Discover last-minute flight deals from Massachusetts to Ontario. Data last updated June 15, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/287:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Tue 7/211:15 pm
YTZ
- BOS
Nonstop1h 39m
Porter Airlines
Deal found 6/14![Porter Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 7/37:10 am
BOS
- YTZ
Nonstop1h 49m
Porter Airlines
Mon 7/68:50 am
YTZ
- BOS
Nonstop1h 39m
Porter Airlines
Deal found 6/12![Porter Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Thu 7/97:10 am
BOS
- YTZ
Nonstop1h 49m
Porter Airlines
Thu 7/166:05 pm
YTZ
- BOS
Nonstop1h 39m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$211
This Mytrip deal was found by Cheapflights users on 6/15. 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.
Thu 7/99:35 am
BOS
- YTZ
Nonstop1h 59m
Air Canada
Mon 7/135:15 pm
YTZ
- BOS
Nonstop1h 37m
Air Canada
Deal found 6/15![Air Canada logo]()
$212
This Mytrip deal was found by Cheapflights users on 6/15. 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.
Thu 7/99:35 am
BOS
- YTZ
Nonstop1h 59m
Air Canada
Sun 7/127:15 am
YTZ
- BOS
Nonstop1h 37m
Air Canada
Deal found 6/15![Air Canada logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
Thu 7/167:10 am
BOS
- YTZ
Nonstop1h 49m
Porter Airlines
Mon 7/203:05 pm
YTZ
- BOS
Nonstop1h 39m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$209
This Trip.com deal was found by Cheapflights users on 6/11. 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.
Thu 7/167:30 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Mon 7/207:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$219
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1610:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Thu 7/164:55 pm
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/12![Porter Airlines logo]()
$220
This Flightnetwork deal was found by Cheapflights users on 6/13. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/245:45 am
BOS
- YTZ
2 stops7h 30m
Air Canada
Wed 7/299:30 am
YTZ
- BOS
1 stop5h 11m
Air Canada
Deal found 6/13![Air Canada logo]()
$214
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Sun 7/267:10 am
BOS
- YTZ
Nonstop1h 49m
Multiple Airlines
Sun 8/27:15 am
YTZ
- BOS
Nonstop1h 37m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Mon 7/2711:10 am
BOS
- YTZ
Nonstop1h 49m
Porter Airlines
Mon 8/38:50 am
YTZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/12![Porter Airlines logo]()
$207
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Mon 8/35:35 pm
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/12![Porter Airlines logo]()
$218
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 June 15, 2026.
Search for one-way flight options from Massachusetts to Ontario. Find affordable one-way fares based on user searches. Data last updated June 15, 2026.
This FlipMilhas deal was found by Cheapflights users on 6/11. 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 FlipMilhas is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:45 am
BOS
- YOW
1 stop3h 39m
GOL
Deal found 6/11![GOL logo]()
$82
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/274:45 pm
BOS
- YUL
Nonstop1h 30m
Porter Airlines
Deal found 6/12![Porter Airlines logo]()
$99
This Trip.com deal was found by Cheapflights users on 6/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/124:45 pm
BOS
- YUL
Nonstop1h 30m
Porter Airlines
Deal found 6/14![Porter Airlines logo]()
$100
This Justfly.com deal was found by Cheapflights users on 6/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:45 pm
BOS
- YUL
Nonstop1h 30m
Porter Airlines
Deal found 6/12![Porter Airlines logo]()
$101
This Booking.com deal was found by Cheapflights users on 6/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:10 am
BOS
- YUL
1 stop7h 00m
Porter Airlines
Deal found 6/13![Porter Airlines logo]()
$102
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:10 am
BOS
- YUL
1 stop6h 30m
Porter Airlines
Deal found 6/11![Porter Airlines logo]()
$103
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:10 am
BOS
- YUL
1 stop7h 00m
Porter Airlines
Deal found 6/15![Porter Airlines logo]()
$105
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Wed 7/15:45 am
BOS
- YUL
Nonstop1h 30m
Air Canada
Deal found 6/11![Air Canada logo]()
$106
This Flightnetwork deal was found by Cheapflights users on 6/12. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/102:45 pm
BOS
- YUL
1 stop7h 02m
Air Canada
Deal found 6/12![Air Canada logo]()
$107
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/137:10 am
BOS
- YUL
1 stop5h 00m
Porter Airlines
Deal found 6/15![Porter Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:35 pm
BOS
- YYZ
1 stop6h 29m
Porter Airlines
Deal found 6/14![Porter Airlines logo]()
$111
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/144:45 pm
BOS
- YTZ
1 stop5h 33m
Porter Airlines
Deal found 6/10![Porter Airlines logo]()
$111
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 June 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $201 (Kiwi.com) |
One-way from | $82 (FlipMilhas) |
Popular in | April |
Cheapest in | October |
Average price | $357 |
Good round-trip deal | $277 or less |
Good one-way deal | $154 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 June 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 - YTZ
BOSYTZ
Boston Logan Intl
Thu 8/13
4:45 pm-10:20 pm
1 stop5h 35m
Toronto Island
Fri 8/14
6:00 pm-7:41 pm
Nonstop1h 41m
$217
BostonToronto
BOS - YTZ
BOSYTZ
Boston Logan Intl
Fri 7/24
9:35 am-11:34 am
Nonstop1h 59m
Toronto Island
Sat 8/1
8:30 am-2:41 pm
1 stop6h 11m
$264
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Wed 7/15
10:50 am-12:45 pm
Nonstop1h 55m
Toronto Pearson Intl
Fri 7/17
4:35 pm-6:22 pm
Nonstop1h 47m
$265
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Tue 7/28
3:35 pm-10:04 pm
1 stop6h 29m
Toronto Pearson Intl
Tue 8/4
7:25 am-9:05 am
Nonstop1h 40m
$270
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Wed 7/29
3:35 pm-10:04 pm
1 stop6h 29m
Toronto Pearson Intl
Fri 8/7
5:35 pm-7:15 pm
Nonstop1h 40m
$270
BostonToronto
BOS - YTZ
BOSYTZ
Boston Logan Intl
Wed 7/15
5:45 am-10:55 am
2 stops5h 10m
Toronto Island
Fri 7/17
5:15 pm-6:52 pm
Nonstop1h 37m
$270
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Tue 7/28
3:35 pm-10:04 pm
1 stop6h 29m
Toronto Pearson Intl
Wed 8/5
3:40 pm-8:55 pm
1 stop5h 15m
$278
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Sat 8/22
6:00 pm-10:23 pm
1 stop4h 23m
Toronto Pearson Intl
Wed 8/26
3:30 pm-9:27 pm
1 stop5h 57m
$283
BostonToronto
BOS - YTZ
BOSYTZ
Boston Logan Intl
Mon 7/27
3:35 pm-9:31 pm
1 stop5h 56m
Toronto Island
Mon 8/3
10:45 am-2:41 pm
1 stop3h 56m
$286
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Sat 7/4
9:25 am-7:45 pm
1 stop10h 20m
Montreal Pierre Elliott Trudeau Intl
Sun 7/5
8:20 am-9:45 am
Nonstop1h 25m
$289
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-YOW
BOS-YUL
BOS-YYZ
ALB-YTZ
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-YOW
BOS-YUL
BOS-YYZ
ALB-YTZ
What is the cheapest month to book a flight from Massachusetts to Region of Ontario?
Currently, December is the cheapest month in which you can book a flight from Massachusetts to Region of Ontario (average of $116). Flying from Massachusetts to Region of Ontario in March is currently the most expensive (average of $1,722). 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 June 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.
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 June 15, 2026.
The most flights from USMA to CAON are scheduled on a Monday (20 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Massachusetts to Region of Ontario?
How far ahead should I book a flight from Massachusetts to Region of Ontario?
The best time to book flights from Massachusetts to Region of Ontario is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 April 25, 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.
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 June 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.
Boarding
8.2
Entertainment
6.9
Overall
8.0
Comfort
8.0
Food
7.6
Crew
8.6
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Boarding
8.2
Entertainment
6.9
Overall
8.0
Comfort
8.0
Food
7.6
Crew
8.6
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Boarding
8.2
Entertainment
6.9
Overall
8.0
Comfort
8.0
Food
7.6
Crew
8.6
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Boarding
8.2
Entertainment
6.9
Overall
8.0
Comfort
8.0
Food
7.6
Crew
8.6
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Boarding
8.2
Entertainment
6.9
Overall
8.0
Comfort
8.0
Food
7.6
Crew
8.6
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
Boarding
8.2
Entertainment
6.9
Overall
8.0
Comfort
8.0
Food
7.6
Crew
8.6
Reviews
1 / 20
6.0
GoodJustin,May 2026
YYZ - MCO
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 June 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 June 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$322 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$116 | Average$451 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$128 | Average$194 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$387 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$288 | Average$543 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$300 | Average$402 | FlexibilityNo cancel fee | On-time71% |