$98+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
May 30 — Jun 61
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 April 30, 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 April 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/257:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Thu 5/283:05 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/27![Porter Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 7/247:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Thu 8/61:00 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$219
This Trip.com deal was found by Cheapflights users on 4/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Sun 5/1011:55 am
YTZ
- BOS
1 stop4h 00m
Porter Airlines
Deal found 4/25![Porter Airlines logo]()
$220
This Trip.com deal was found by Cheapflights users on 4/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Sat 5/301:00 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/25![Porter Airlines logo]()
$222
This Kissandfly.com deal was found by Cheapflights users on 4/28. 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.
Sat 5/167:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Sun 5/171:00 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/128:30 pm
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Fri 8/281:00 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/27![Porter Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/147:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Wed 5/2711:55 am
YTZ
- BOS
1 stop4h 00m
Porter Airlines
Deal found 4/26![Porter Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/265:30 pm
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Wed 6/103:05 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/29![Porter Airlines logo]()
$227
This Vliegwinkel deal was found by Cheapflights users on 4/26. 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 5/143:25 pm
BOS
- YYZ
1 stop4h 19m
Porter Airlines
Sun 5/177:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 4/26![Porter Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/208:30 pm
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Fri 5/299:00 am
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/26![Porter Airlines logo]()
$228
This Trip.com deal was found by Cheapflights users on 4/28. 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 6/1110:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Thu 6/187:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 8/143:25 pm
BOS
- YTZ
1 stop3h 33m
Porter Airlines
Sun 8/168:50 am
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/26![Porter Airlines logo]()
$229
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 April 30, 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 April 30, 2026.
This Porter Airlines deal was found by Cheapflights users on 4/28. 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 6/117:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Thu 6/186:00 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$267
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:19 am
BOS
- YYZ
1 stop8h 27m
United Airlines
Sun 7/268:00 pm
YYZ
- BOS
1 stop12h 17m
United Airlines
Deal found 4/28![United Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 4/29. 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 6/187:00 pm
BOS
- YYZ
1 stop4h 40m
Delta
Mon 6/297:55 am
YYZ
- BOS
1 stop7h 35m
Delta
Deal found 4/29![Delta logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/17:53 pm
ALB
- YYZ
1 stop18h 12m
Multiple Airlines
Thu 6/44:15 pm
YYZ
- ALB
1 stop26h 48m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$372
This Porter Airlines deal was found by Cheapflights users on 4/28. 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 6/1110:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Thu 6/187:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$276
This United Airlines deal was found by Cheapflights users on 4/25. 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 5/135:45 am
BOS
- YUL
1 stop8h 55m
United Airlines
Wed 5/203:25 pm
YUL
- BOS
1 stop4h 29m
United Airlines
Deal found 4/25![United Airlines logo]()
$302
This Air Canada deal was found by Cheapflights users on 4/26. 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.
Fri 6/56:46 pm
ALB
- YTZ
1 stop15h 20m
Air Canada
Mon 6/87:20 pm
YTZ
- ALB
1 stop15h 23m
Air Canada
Deal found 4/26![Air Canada logo]()
$610
This Trip.com deal was found by Cheapflights users on 4/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/83:25 pm
BOS
- YTZ
1 stop6h 28m
Porter Airlines
Fri 6/126:00 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/25![Porter Airlines logo]()
$278
This Delta deal was found by Cheapflights users on 4/28. 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 5/1210:00 am
BOS
- YUL
1 stop8h 53m
Delta
Wed 5/206:00 am
YUL
- BOS
2 stops8h 15m
Delta
Deal found 4/28![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/117:27 pm
BOS
- YUL
1 stop4h 46m
United Airlines
Wed 5/133:25 pm
YUL
- BOS
1 stop4h 29m
United Airlines
Deal found 4/26![United Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 4/28. 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 6/512:00 pm
BOS
- YUL
1 stop6h 53m
Delta
Tue 6/166:00 am
YUL
- BOS
2 stops10h 31m
Delta
Deal found 4/28![Delta logo]()
$312
This Porter Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 7/174:45 pm
BOS
- YTZ
1 stop5h 35m
Porter Airlines
Mon 7/208:50 am
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/29![Porter Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 4/28. 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 5/259:00 am
BOS
- YUL
1 stop4h 39m
Delta
Mon 6/16:00 am
YUL
- BOS
2 stops10h 28m
Delta
Deal found 4/28![Delta logo]()
$312
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/309:26 am
BDL
- YUL
2 stops12h 12m
American Airlines
Sat 6/64:16 pm
YUL
- BDL
1 stop7h 10m
American Airlines
Deal found 4/30![American Airlines logo]()
$770
This Porter Airlines deal was found by Cheapflights users on 4/26. 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 9/38:25 pm
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Tue 9/811:55 am
YTZ
- BOS
1 stop4h 05m
Porter Airlines
Deal found 4/26![Porter Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/286:00 am
BDL
- YYZ
1 stop14h 40m
Multiple Airlines
Thu 6/44:15 pm
YYZ
- BDL
2 stops24h 30m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 4/27. 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 5/2210:00 am
BOS
- YYZ
1 stop7h 55m
Delta
Tue 5/262:30 pm
YYZ
- BOS
1 stop7h 55m
Delta
Deal found 4/27![Delta logo]()
$318
This Porter Airlines deal was found by Cheapflights users on 4/26. 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 9/36:35 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Tue 9/83:55 pm
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 4/26![Porter Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/137:30 am
BOS
- YOW
1 stop14h 35m
United Airlines
Sat 6/203:10 pm
YOW
- BOS
1 stop7h 02m
United Airlines
Deal found 4/28![United Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 4/26. 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 5/2812:00 pm
BOS
- YUL
2 stops11h 13m
Delta
Tue 6/29:30 am
YUL
- BOS
1 stop3h 50m
Delta
Deal found 4/26![Delta logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 6/127:53 pm
ALB
- YYZ
1 stop18h 12m
Multiple Airlines
Fri 6/191:30 pm
YYZ
- ALB
2 stops27h 42m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$432
This Porter Airlines deal was found by Cheapflights users on 4/29. 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 6/134:45 pm
BOS
- YUL
Nonstop1h 30m
Porter Airlines
Sat 6/208:00 am
YUL
- BOS
1 stop6h 41m
Porter Airlines
Deal found 4/29![Porter Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 4/28. 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 7/83:00 pm
BOS
- YYZ
1 stop8h 44m
Delta
Sun 7/125:05 pm
YYZ
- BOS
1 stop6h 26m
Delta
Deal found 4/28![Delta logo]()
$324
This Porter Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 5/314:45 pm
BOS
- YUL
Nonstop1h 30m
Porter Airlines
Mon 6/13:35 pm
YUL
- BOS
1 stop4h 06m
Porter Airlines
Deal found 4/29![Porter Airlines logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 7/137:53 pm
ALB
- YYZ
1 stop18h 12m
Multiple Airlines
Fri 7/176:34 pm
YYZ
- ALB
2 stops18h 13m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 4/27. 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.
Sun 7/58:00 am
BOS
- YYZ
1 stop8h 15m
Delta
Wed 7/82:31 pm
YYZ
- BOS
1 stop9h 00m
Delta
Deal found 4/27![Delta logo]()
$329
This Porter Airlines deal was found by Cheapflights users on 4/30. 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 5/203:25 pm
BOS
- YYZ
1 stop4h 19m
Porter Airlines
Tue 6/29:00 am
YYZ
- BOS
2 stops10h 05m
Porter Airlines
Deal found 4/30![Porter Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 4/28. 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 5/239:00 am
BOS
- YYZ
1 stop8h 59m
Delta
Mon 5/256:00 am
YYZ
- BOS
1 stop8h 15m
Delta
Deal found 4/28![Delta logo]()
$336
This Porter Airlines deal was found by Cheapflights users on 4/26. 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.
Sun 5/177:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Sun 5/1711:55 am
YTZ
- BOS
1 stop4h 00m
Porter Airlines
Deal found 4/26![Porter Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Thu 6/114:43 pm
ALB
- YYZ
1 stop7h 16m
United Airlines
Sun 6/142:45 pm
YYZ
- ALB
1 stop6h 58m
United Airlines
Deal found 4/26![United Airlines logo]()
$544
Last-minute flights from Massachusetts to OntarioDiscover last-minute flight deals from Massachusetts to Ontario. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from Massachusetts to Ontario. Data last updated April 30, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 4/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Sun 5/1011:55 am
YTZ
- BOS
1 stop4h 00m
Porter Airlines
Deal found 4/25![Porter Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/128:30 pm
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Fri 8/281:00 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/27![Porter Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/147:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Wed 5/2711:55 am
YTZ
- BOS
1 stop4h 00m
Porter Airlines
Deal found 4/26![Porter Airlines logo]()
$225
This Vliegwinkel deal was found by Cheapflights users on 4/26. 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 5/143:25 pm
BOS
- YYZ
1 stop4h 19m
Porter Airlines
Sun 5/177:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 4/26![Porter Airlines logo]()
$228
This Trip.com deal was found by Cheapflights users on 4/30. 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 5/157:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Sun 5/173:05 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/30![Porter Airlines logo]()
$230
This Kissandfly.com deal was found by Cheapflights users on 4/28. 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.
Sat 5/167:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Sun 5/171:00 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$223
This Flybillet deal was found by Cheapflights users on 4/28. 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 Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/165:50 am
BOS
- YTZ
1 stop4h 17m
Air Canada
Sun 5/179:30 am
YTZ
- BOS
1 stop5h 17m
Air Canada
Deal found 4/28![Air Canada logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/208:30 pm
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Fri 5/299:00 am
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/26![Porter Airlines logo]()
$228
This Trip.com deal was found by Cheapflights users on 4/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Sat 5/301:00 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/25![Porter Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/257:10 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Thu 5/283:05 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/27![Porter Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/265:30 pm
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Wed 6/103:05 pm
YTZ
- BOS
Nonstop1h 41m
Porter Airlines
Deal found 4/29![Porter Airlines logo]()
$227
This Trip.com deal was found by Cheapflights users on 4/28. 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 5/2710:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Fri 5/297:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 4/28![Porter Airlines logo]()
$231
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 April 30, 2026.
Search for one-way flight options from Massachusetts to Ontario. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This Super.com deal was found by Cheapflights users on 4/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/133:25 pm
BOS
- YYZ
1 stop4h 19m
Porter Airlines
Deal found 4/27![Porter Airlines logo]()
$98
This Super.com deal was found by Cheapflights users on 4/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:30 pm
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Deal found 4/25![Porter Airlines logo]()
$98
This Cheapflightsfares deal was found by Cheapflights users on 4/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Deal found 4/27![Porter Airlines logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 4/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:05 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Deal found 4/26![Porter Airlines logo]()
$100
This Trip.com deal was found by Cheapflights users on 4/26. 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 5/113:25 pm
BOS
- YTZ
1 stop6h 23m
Porter Airlines
Deal found 4/26![Porter Airlines logo]()
$100
This Trip.com deal was found by Cheapflights users on 4/27. 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 5/1411:25 am
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Deal found 4/27![Porter Airlines logo]()
$101
This Trip.com deal was found by Cheapflights users on 4/27. 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 5/143:25 pm
BOS
- YYZ
1 stop4h 19m
Porter Airlines
Deal found 4/27![Porter Airlines logo]()
$102
This Trip.com deal was found by Cheapflights users on 4/26. 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 5/108:30 pm
BOS
- YTZ
Nonstop1h 47m
Porter Airlines
Deal found 4/26![Porter Airlines logo]()
$102
This Super.com deal was found by Cheapflights users on 4/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:35 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Deal found 4/29![Porter Airlines logo]()
$103
This Super.com deal was found by Cheapflights users on 4/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:45 pm
BOS
- YTZ
1 stop5h 35m
Porter Airlines
Deal found 4/30![Porter Airlines logo]()
$103
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:35 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Deal found 4/30![Porter Airlines logo]()
$104
This Super.com deal was found by Cheapflights users on 4/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/64:45 pm
BOS
- YTZ
1 stop5h 35m
Porter Airlines
Deal found 4/29![Porter Airlines logo]()
$104
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 April 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $218 (Kiwi.com) |
One-way from | $98 (Super.com) |
Popular in | April |
Cheapest in | October |
Average price | $415 |
Good round-trip deal | $285 or less |
Good one-way deal | $150 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 April 30, 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
Quickest round-trip
BostonToronto
BOS - YTZ
BOSYTZ
Boston Logan Intl
Thu 6/11
7:10 am-8:57 am
Nonstop1h 47m
Toronto Island
Thu 6/18
6:00 pm-7:41 pm
Nonstop1h 41m
$267
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Thu 6/11
10:05 am-12:00 pm
Nonstop1h 55m
Toronto Pearson Intl
Thu 6/18
7:25 am-9:05 am
Nonstop1h 40m
$276
BostonToronto
BOS - YTZ
BOSYTZ
Boston Logan Intl
Mon 6/8
3:25 pm-9:53 pm
1 stop6h 28m
Toronto Island
Fri 6/12
6:00 pm-7:41 pm
Nonstop1h 41m
$278
BostonToronto
BOS - YTZ
BOSYTZ
Boston Logan Intl
Fri 7/17
4:45 pm-10:20 pm
1 stop5h 35m
Toronto Island
Mon 7/20
8:50 am-10:31 am
Nonstop1h 41m
$287
BostonToronto
BOS - YTZ
BOSYTZ
Boston Logan Intl
Thu 9/3
8:25 pm-10:12 pm
Nonstop1h 47m
Toronto Island
Tue 9/8
11:55 am-4:00 pm
1 stop4h 05m
$290
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Thu 9/3
6:35 pm-8:30 pm
Nonstop1h 55m
Toronto Pearson Intl
Tue 9/8
3:55 pm-5:35 pm
Nonstop1h 40m
$293
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Sat 6/13
4:45 pm-6:15 pm
Nonstop1h 30m
Montreal Pierre Elliott Trudeau Intl
Sat 6/20
8:00 am-2:41 pm
1 stop6h 41m
$298
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Sun 5/31
4:45 pm-6:15 pm
Nonstop1h 30m
Montreal Pierre Elliott Trudeau Intl
Mon 6/1
3:35 pm-7:41 pm
1 stop4h 06m
$298
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Fri 7/24
7:19 am-3:46 pm
1 stop8h 27m
Toronto Pearson Intl
Sun 7/26
8:00 pm-8:17 am
1 stop12h 17m
$301
BostonMontreal
BOS - YUL
BOSYUL
Boston Logan Intl
Wed 5/13
5:45 am-2:40 pm
1 stop8h 55m
Montreal Pierre Elliott Trudeau Intl
Wed 5/20
3:25 pm-7:54 pm
1 stop4h 29m
$302
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-YTZ
BOS-YYZ
ALB-YYZ
BOS-YUL
ALB-YTZ
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-YTZ
BOS-YYZ
ALB-YYZ
BOS-YUL
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 54 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 month to book a flight from Massachusetts to Region of Ontario?
Currently, March is the cheapest month in which you can book a flight from Massachusetts to Region of Ontario (average of $96). Flying from Massachusetts to Region of Ontario in February is currently the most expensive (average of $739). 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 April 30, 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 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.
How much does it cost to fly round-trip from Massachusetts to Region of Ontario?
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 April 30, 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.
Overall
8.0
Crew
8.6
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Crew
8.6
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Crew
8.6
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Crew
8.6
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Crew
8.6
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJohn,Mar 2026
YYZ - PVR
Overall
8.0
Crew
8.6
Boarding
8.2
Food
7.6
Comfort
8.0
Entertainment
7.0
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 April 30, 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 April 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$104 | Average$302 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$106 | Average$491 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$128 | Average$190 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$145 | Average$366 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$279 | Average$397 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$300 | Average$453 | FlexibilityNo cancel fee | On-time71% |