$104+ Cheap flights from Massachusetts to Ontario
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
Dec 7 — Dec 141
Round-trip
1 adult, Economy
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Find cheap flights from Massachusetts to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Massachusetts to Ontario
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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 November 7, 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 November 7, 2026.
This VIAZA deal was found by Cheapflights users on 11/4. 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 VIAZA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:35 pm -
1 stop13h 17m
Fri 11/277:15 am -
Nonstop1h 39m
Deal found 11/4![Air Canada logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/31:15 pm -
1 stop5h 14m
Sun 12/610:35 am -
1 stop6h 11m
Deal found 11/3![Porter Airlines logo]()
$273
This Justfly.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/109:50 am -
Nonstop2h 10m
Mon 12/147:20 am -
Nonstop1h 50m
Deal found 11/3![Porter Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/21:15 pm -
1 stop5h 14m
Wed 12/910:35 am -
1 stop6h 11m
Deal found 11/3![Porter Airlines logo]()
$274
This FlightHub deal was found by Cheapflights users on 11/4. 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 12/19:50 am -
Nonstop2h 10m
Tue 12/15:20 pm -
Nonstop1h 50m
Deal found 11/4![Porter Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/19:50 am -
Nonstop2h 10m
Wed 12/25:20 pm -
Nonstop1h 50m
Deal found 11/3![Porter Airlines logo]()
$276
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Tue 12/18:00 am -
Nonstop1h 55m
Fri 12/410:35 am -
1 stop6h 11m
Deal found 11/3![Porter Airlines logo]()
$277
This Vliegwinkel deal was found by Cheapflights users on 11/3. 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 12/35:30 pm -
Nonstop2h 10m
Sun 12/67:20 am -
Nonstop1h 50m
Deal found 11/3![Porter Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/11:15 pm -
1 stop5h 14m
Wed 12/212:15 pm -
1 stop4h 31m
Deal found 11/3![Porter Airlines logo]()
$278
This Trip.com deal was found by Cheapflights users on 11/3. 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 11/305:25 pm -
Nonstop2h 10m
Thu 12/35:20 pm -
Nonstop1h 50m
Deal found 11/3![Porter Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/11:15 pm -
1 stop5h 14m
Tue 12/812:15 pm -
1 stop4h 31m
Deal found 11/3![Porter Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/301:15 pm -
1 stop5h 42m
Tue 12/15:20 pm -
Nonstop1h 50m
Deal found 11/4![Porter Airlines logo]()
$280
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 November 7, 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 November 7, 2026.
This Booking.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/145:25 pm -
Nonstop2h 10m
Sun 4/185:20 pm -
Nonstop1h 50m
Deal found 11/7![Multiple Airlines logo]()
$352
This Booking.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/61:15 pm -
1 stop5h 14m
Sun 12/1312:15 pm -
1 stop4h 31m
Deal found 11/7![Porter Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:08 pm -
1 stop7h 33m
Mon 12/147:45 am -
1 stop7h 22m
Deal found 11/3![Delta logo]()
$361
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/208:05 pm -
1 stop13h 09m
Sat 11/217:44 pm -
1 stop4h 15m
Deal found 11/3![United Airlines logo]()
$410
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/74:12 pm -
2 stops22h 28m
Sun 1/101:22 pm -
2 stops26h 25m
Deal found 11/4![American Airlines logo]()
$716
This Delta deal was found by Cheapflights users on 11/3. 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 12/34:00 pm -
1 stop7h 41m
Thu 12/106:00 am -
1 stop8h 38m
Deal found 11/3![Delta logo]()
$365
This FlightHub deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:15 pm -
Nonstop1h 33m
Sat 12/53:15 pm -
Nonstop1h 31m
Deal found 11/7![Porter Airlines logo]()
$369
This United deal was found by Cheapflights users on 11/3. 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 11/215:57 pm -
1 stop5h 29m
Thu 11/267:10 am -
2 stops7h 43m
Deal found 11/3![Multiple Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 11/3. 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 12/37:00 pm -
1 stop4h 41m
Sun 12/66:00 pm -
1 stop4h 58m
Deal found 11/3![Delta logo]()
$365
This Porter Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/307:50 pm -
Nonstop1h 54m
Wed 12/210:35 am -
1 stop6h 11m
Deal found 11/7![Porter Airlines logo]()
$380
This United deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/112:58 pm -
1 stop6h 17m
Fri 12/258:00 am -
1 stop6h 53m
Deal found 11/7![Multiple Airlines logo]()
$397
This Air Canada deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1911:05 am -
1 stop6h 02m
Fri 1/229:15 am -
1 stop5h 03m
Deal found 11/7![Air Canada logo]()
$888
This Porter Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:00 am -
Nonstop1h 55m
Fri 12/410:35 am -
1 stop6h 11m
Deal found 11/7![Porter Airlines logo]()
$380
This United deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/132:58 pm -
1 stop6h 17m
Wed 12/169:00 am -
1 stop5h 53m
Deal found 11/7![Multiple Airlines logo]()
$397
This Porter Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:00 am -
Nonstop1h 54m
Thu 12/310:35 am -
1 stop6h 11m
Deal found 11/7![Porter Airlines logo]()
$380
This United deal was found by Cheapflights users on 11/6. 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.
Fri 12/42:58 pm -
1 stop6h 17m
Tue 12/87:10 am -
2 stops7h 43m
Deal found 11/6![Multiple Airlines logo]()
$408
This Porter Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:30 pm -
Nonstop2h 10m
Fri 12/45:20 pm -
Nonstop1h 50m
Deal found 11/7![Porter Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 11/4. 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 1/74:29 pm -
1 stop4h 04m
Sun 1/107:50 am -
1 stop7h 59m
Deal found 11/4![Delta logo]()
$503
This Porter Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:50 am -
Nonstop2h 10m
Wed 12/25:20 pm -
Nonstop1h 50m
Deal found 11/7![Porter Airlines logo]()
$383
This Porter Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:30 pm -
Nonstop2h 10m
Thu 12/37:20 am -
Nonstop1h 50m
Deal found 11/7![Porter Airlines logo]()
$383
This Porter Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/301:15 pm -
1 stop5h 13m
Fri 12/410:35 am -
1 stop6h 11m
Deal found 11/7![Porter Airlines logo]()
$385
This Mytrip deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1211:08 am -
2 stops10h 58m
Mon 12/1412:50 pm -
1 stop6h 20m
Deal found 11/5![Multiple Airlines logo]()
$553
This Porter Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/301:15 pm -
1 stop5h 42m
Fri 12/47:20 am -
Nonstop1h 50m
Deal found 11/7![Porter Airlines logo]()
$388
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Sun 12/207:03 pm -
2 stops26h 41m
Sun 12/275:10 pm -
2 stops25h 28m
Deal found 11/4![American Airlines logo]()
$865
This Air Canada deal was found by Cheapflights users on 11/6. 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 2/253:10 pm -
1 stop6h 42m
Mon 3/19:15 am -
1 stop5h 00m
Deal found 11/6![Air Canada logo]()
$888
This Porter Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/227:50 pm -
Nonstop1h 55m
Tue 12/292:20 pm -
Nonstop1h 34m
Deal found 11/7![Porter Airlines logo]()
$392
This Porter Airlines deal was found by Cheapflights users on 11/3. 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 12/177:50 pm -
Nonstop1h 55m
Wed 1/208:00 am -
2 stops8h 47m
Deal found 11/3![Porter Airlines logo]()
$407
This Air Canada deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/133:10 pm -
1 stop6h 42m
Mon 2/155:30 am -
2 stops9h 23m
Deal found 11/5![Air Canada logo]()
$974
This Booking.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:57 am -
3 stops23h 36m
Sat 12/512:50 pm -
1 stop6h 20m
Deal found 11/7![Multiple Airlines logo]()
$689
This Porter Airlines deal was found by Cheapflights users on 11/3. 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 11/207:50 pm -
Nonstop1h 54m
Fri 11/279:00 am -
2 stops7h 43m
Deal found 11/3![Porter Airlines logo]()
$409
Last-minute flights from Massachusetts to OntarioDiscover last-minute flight deals from Massachusetts to Ontario. Data last updated November 7, 2026 and is based on user searches.
Discover last-minute flight deals from Massachusetts to Ontario. Data last updated November 7, 2026 and is based on user searches.
This VIAZA deal was found by Cheapflights users on 11/4. 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 VIAZA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:35 pm -
1 stop13h 17m
Fri 11/277:15 am -
Nonstop1h 39m
Deal found 11/4![Air Canada logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 11/301:15 pm -
1 stop5h 42m
Thu 12/35:20 pm -
Nonstop1h 50m
Deal found 11/3![Porter Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/301:15 pm -
1 stop5h 42m
Tue 12/15:20 pm -
Nonstop1h 50m
Deal found 11/4![Porter Airlines logo]()
$280
This FlightHub deal was found by Cheapflights users on 11/4. 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 12/19:50 am -
Nonstop2h 10m
Tue 12/15:20 pm -
Nonstop1h 50m
Deal found 11/4![Porter Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/19:50 am -
Nonstop2h 10m
Wed 12/25:20 pm -
Nonstop1h 50m
Deal found 11/3![Porter Airlines logo]()
$276
This Mytrip deal was found by Cheapflights users on 11/3. 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.
Tue 12/18:00 am -
Nonstop1h 55m
Fri 12/410:35 am -
1 stop6h 11m
Deal found 11/3![Porter Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/11:15 pm -
1 stop5h 14m
Wed 12/212:15 pm -
1 stop4h 31m
Deal found 11/3![Porter Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/11:15 pm -
1 stop5h 14m
Tue 12/812:15 pm -
1 stop4h 31m
Deal found 11/3![Porter Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/21:15 pm -
1 stop5h 14m
Wed 12/910:35 am -
1 stop6h 11m
Deal found 11/3![Porter Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/31:15 pm -
1 stop5h 14m
Sun 12/610:35 am -
1 stop6h 11m
Deal found 11/3![Porter Airlines logo]()
$273
This Vliegwinkel deal was found by Cheapflights users on 11/3. 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 12/35:30 pm -
Nonstop2h 10m
Sun 12/67:20 am -
Nonstop1h 50m
Deal found 11/3![Porter Airlines logo]()
$278
This Justfly.com deal was found by Cheapflights users on 11/3. 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.
Thu 12/109:50 am -
Nonstop2h 10m
Mon 12/147:20 am -
Nonstop1h 50m
Deal found 11/3![Porter Airlines logo]()
$274
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 November 7, 2026.
Search for one-way flight options from Massachusetts to Ontario. Find affordable one-way fares based on user searches. Data last updated November 7, 2026.
This VIAZA deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure VIAZA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:35 pm -
1 stop4h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Air Canada logo]()
$104
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Tue 12/11:15 pm -
1 stop5h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Porter Airlines logo]()
$121
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Tue 12/11:15 pm -
1 stop5h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Porter Airlines logo]()
$121
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 12/48:00 am -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Porter Airlines logo]()
$123
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 12/45:30 pm -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Porter Airlines logo]()
$124
This FlightHub deal was found by Cheapflights users on 11/2. 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 12/89:50 am -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Porter Airlines logo]()
$125
This FlightHub deal was found by Cheapflights users on 11/3. 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 12/99:50 am -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Air Transat logo]()
$126
This FlightHub deal was found by Cheapflights users on 11/3. 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 12/98:00 am -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Air Transat logo]()
$126
This FlightHub deal was found by Cheapflights users on 11/2. 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 12/25:30 pm -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Air Transat logo]()
$127
This FlightHub deal was found by Cheapflights users on 11/3. 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 11/257:50 pm -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Air Transat logo]()
$127
This Super.com deal was found by Cheapflights users on 11/3. 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 11/257:50 pm -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Porter Airlines logo]()
$129
This deal was found by Cheapflights users on 11/4. 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.
Tue 12/84:35 pm -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Porter Airlines logo]()
$130
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 November 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $272 (VIAZA) |
One-way from | $104 (VIAZA) |
Popular in | November |
Cheapest in | July |
Average price | $419 |
Good round-trip deal | $271 or less |
Good one-way deal | $139 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 7,457,451 searches. Data last updated November 7, 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 Boston Logan Intl - YTZ Toronto Island
BOSYTZ
Boston Logan Intl
Wed 12/9
8:00 am-9:55 am
Nonstop1h 55m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$126
BostonToronto
BOS Boston Logan Intl - YTZ Toronto Island
BOSYTZ
Boston Logan Intl
Thu 12/17
1:15 pm-6:29 pm
1 stop5h 14m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$140
BostonToronto
BOS Boston Logan Intl - YTZ Toronto Island
BOSYTZ
Boston Logan Intl
Sun 12/6
8:00 am-9:55 am
Nonstop1h 55m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$145
Quickest round-trip
BostonOttawa
BOS Boston Logan Intl - YOW Ottawa
BOSYOW
Boston Logan Intl
Thu 11/26
1:15 pm-2:42 pm
Nonstop1h 27m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$148
WorcesterToronto
ORH Worcester - YYZ Toronto Pearson Intl
ORHYYZ
Worcester
Tue 11/24
4:00 pm-11:41 pm
1 stop7h 41m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$149
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Sun 12/13
7:10 am-11:48 am
1 stop4h 38m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$153
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Tue 12/8
12:00 pm-5:49 pm
1 stop5h 49m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$153
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Wed 12/9
7:33 pm-11:52 pm
1 stop4h 19m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$153
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Mon 11/30
5:45 am-7:50 am
Nonstop2h 05m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$165
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Wed 12/16
2:58 pm-9:15 pm
1 stop6h 17m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$171
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
ORH-YYZ
BOS-YOW
BOS-YXU
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
ORH-YYZ
BOS-YOW
What is the cheapest month to book a flight from Massachusetts to Region of Ontario?
Currently, July is the cheapest month in which you can book a flight from Massachusetts to Region of Ontario (average of $293). Flying from Massachusetts to Region of Ontario in November is currently the most expensive (average of $393). 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 November 7, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 16% on flights from Massachusetts to Region of Ontario by exploring options for tickets in the evening.
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 November 7, 2026.
The most flights from USMA to CAON are scheduled on a Friday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 on average).
How much does it cost to fly round-trip from Massachusetts to Region of Ontario?
Airfare is below average for this route at the moment.
Massachusetts to Region of Ontario flights typically cost between $321 and $513 in December.The cheapest round-trip price found within the last 5 days was $274 on Porter Airlines (Dec 10-Dec 14).
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 Sunday mornings 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 November 7, 2026.
Get a feel of what it's like to fly with Porter Airlines,Air Transat, andUnited Airlines 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
Food
7.6
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Food
7.6
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
6.9
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
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.
Browse thousands of different options on Cheapflights for your next trip
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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 November 7, 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 7 airlines flying from Massachusetts to Ontario
Discover the top 7 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 7,457,451 searches. Data last updated November 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$372 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$128 | Average$214 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$132 | Average$340 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$157 | Average$402 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$288 | Average$644 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$306 | Average$385 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$387 | Average$387 | FlexibilityNo cancel fee | On-time75% |