$95+ Cheap flights from Boston (BOS) 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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
Nov 26 — Dec 31
Round-trip
1 adult, Economy
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Find cheap flights from Boston 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 Boston to Ontario
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Cheapest flights from Boston to OntarioExplore the most affordable flight options available from Boston to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2026.
Explore the most affordable flight options available from Boston to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2026.
This Super.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:30 pm -
Nonstop2h 10m
Wed 12/95:20 pm -
Nonstop1h 50m
Deal found 10/22![Porter Airlines logo]()
$202
This Super.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:50 am -
Nonstop2h 10m
Thu 12/35:20 pm -
Nonstop1h 50m
Deal found 10/23![Porter Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:50 am -
Nonstop2h 10m
Sat 12/55:20 pm -
Nonstop1h 50m
Deal found 10/25![Porter Airlines logo]()
$208
This FlightHub deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:50 am -
Nonstop2h 10m
Sat 11/145:20 pm -
Nonstop1h 50m
Deal found 10/22![Porter Airlines logo]()
$209
This Justfly.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:50 am -
Nonstop2h 10m
Sun 11/227:20 am -
Nonstop1h 50m
Deal found 10/22![Porter Airlines logo]()
$210
This FlightHub deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:50 am -
Nonstop2h 10m
Mon 11/235:20 pm -
Nonstop1h 50m
Deal found 10/23![Porter Airlines logo]()
$211
This Super.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:00 am -
Nonstop1h 55m
Tue 12/18:05 pm -
Nonstop1h 34m
Deal found 10/22![Porter Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:50 am -
Nonstop2h 10m
Mon 12/77:20 am -
Nonstop1h 50m
Deal found 10/25![Porter Airlines logo]()
$214
This Super.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:00 am -
Nonstop1h 54m
Tue 11/248:00 pm -
Nonstop1h 35m
Deal found 10/23![Porter Airlines logo]()
$214
This Super.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:50 am -
Nonstop2h 10m
Tue 12/87:20 am -
Nonstop1h 50m
Deal found 10/23![Porter Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:50 am -
Nonstop2h 10m
Sun 11/157:20 am -
Nonstop1h 50m
Deal found 10/24![Porter Airlines logo]()
$216
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:50 am -
Nonstop2h 10m
Wed 11/185:20 pm -
Nonstop1h 50m
Deal found 10/25![Porter Airlines logo]()
$217
Best flights from Boston to OntarioDiscover carefully curated flight deals from Boston to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.
Discover carefully curated flight deals from Boston to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2026.
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 pm -
1 stop5h 41m
Tue 12/810:00 am -
1 stop5h 15m
Deal found 10/23![Delta logo]()
$281
This Porter Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/38:00 am -
Nonstop1h 54m
Wed 3/312:15 pm -
1 stop4h 27m
Deal found 10/24![Porter Airlines logo]()
$286
This United deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:05 pm -
1 stop4h 21m
Mon 11/2311:00 am -
1 stop3h 53m
Deal found 10/22![Multiple Airlines logo]()
$296
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/247:15 am -
1 stop6h 28m
Tue 12/295:55 pm -
1 stop7h 23m
Deal found 10/22![United Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:00 pm -
1 stop6h 41m
Fri 12/46:00 pm -
1 stop4h 58m
Deal found 10/23![Delta logo]()
$281
This Porter Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/268:00 am -
Nonstop1h 54m
Sat 3/610:35 am -
1 stop6h 07m
Deal found 10/24![Porter Airlines logo]()
$286
This Air Canada deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/75:30 am -
2 stops9h 12m
Mon 12/145:30 am -
1 stop4h 47m
Deal found 10/23![Air Canada logo]()
$602
This Porter Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/268:00 am -
Nonstop1h 54m
Mon 3/82:20 pm -
Nonstop1h 32m
Deal found 10/24![Porter Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 10/26. 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.
Tue 11/2412:00 pm -
1 stop5h 54m
Tue 12/110:00 am -
1 stop7h 27m
Deal found 10/26![Delta logo]()
$303
This United deal was found by Cheapflights users on 10/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:01 pm -
1 stop6h 14m
Tue 11/178:55 pm -
Nonstop1h 42m
Deal found 10/26![Multiple Airlines logo]()
$341
This Porter Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/74:35 pm -
Nonstop1h 54m
Mon 3/82:20 pm -
Nonstop1h 32m
Deal found 10/22![Porter Airlines logo]()
$287
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 11/187:20 am -
1 stop4h 28m
Sun 11/229:44 am -
1 stop3h 47m
Deal found 10/26![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:00 am -
1 stop6h 54m
Sun 11/157:50 am -
1 stop8h 32m
Deal found 10/22![Delta logo]()
$334
This Porter Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines 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 12/89:00 am -
2 stops7h 46m
Deal found 10/22![Porter Airlines logo]()
$308
This United deal was found by Cheapflights users on 10/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:57 pm -
1 stop5h 29m
Sun 11/227:10 am -
2 stops7h 43m
Deal found 10/25![Multiple Airlines logo]()
$374
This KAYAK deal was found by Cheapflights users on 10/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:00 am -
Nonstop1h 54m
Wed 11/182:20 pm -
Nonstop1h 35m
Deal found 10/25![Porter Airlines logo]()
$330
This Mytrip deal was found by Cheapflights users on 10/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/191:15 pm -
Nonstop1h 33m
Sat 1/23:15 pm -
Nonstop1h 32m
Deal found 10/25![Multiple Airlines logo]()
$423
This KAYAK deal was found by Cheapflights users on 10/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/164:35 pm -
Nonstop1h 55m
Thu 12/1711:00 am -
Nonstop1h 34m
Deal found 10/26![Porter Airlines logo]()
$330
This Trip.com deal was found by Cheapflights users on 10/26. 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.
Thu 12/241:15 pm -
Nonstop1h 33m
Sun 12/273:15 pm -
Nonstop1h 31m
Deal found 10/26![Multiple Airlines logo]()
$428
This Porter Airlines deal was found by Cheapflights users on 10/26. 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.
Fri 12/118:00 am -
Nonstop1h 55m
Fri 12/188:05 pm -
Nonstop1h 34m
Deal found 10/26![Porter Airlines logo]()
$345
This Porter Airlines deal was found by Cheapflights users on 10/25. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:15 pm -
1 stop5h 13m
Thu 11/192:20 pm -
Nonstop1h 35m
Deal found 10/25![Porter Airlines logo]()
$346
This Air Canada deal was found by Cheapflights users on 10/26. 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.
Sat 3/205:45 am -
1 stop13h 00m
Wed 3/2410:35 am -
1 stop12h 00m
Deal found 10/26![Air Canada logo]()
$693
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:30 am -
2 stops16h 20m
Thu 11/196:00 am -
1 stop7h 31m
Deal found 10/22![United Airlines logo]()
$638
This Porter Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:15 pm -
1 stop5h 13m
Mon 11/232:20 pm -
Nonstop1h 35m
Deal found 10/23![Porter Airlines logo]()
$354
This KAYAK deal was found by Cheapflights users on 10/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:25 pm -
Nonstop2h 10m
Wed 11/115:20 pm -
Nonstop1h 50m
Deal found 10/26![Porter Airlines logo]()
$372
This Air Canada deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/25:45 am -
1 stop13h 00m
Mon 1/47:20 pm -
2 stops14h 28m
Deal found 10/22![Air Canada logo]()
$816
This Mytrip deal was found by Cheapflights users on 10/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:34 am -
3 stops29h 26m
Thu 12/178:20 am -
2 stops23h 23m
Deal found 10/25![Multiple Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/253:10 pm -
1 stop6h 39m
Mon 3/299:15 am -
1 stop5h 04m
Deal found 10/22![United Airlines logo]()
$834
This Trip.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:30 pm -
1 stop7h 11m
Sun 12/63:15 pm -
Nonstop1h 31m
Deal found 10/22![Porter Airlines logo]()
$391
This Air Canada deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:30 am -
2 stops9h 12m
Tue 12/155:30 am -
1 stop4h 47m
Deal found 10/24![Air Canada logo]()
$895
Last-minute flights from Boston to OntarioDiscover last-minute flight deals from Boston to Ontario. Data last updated October 27, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Ontario. Data last updated October 27, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:50 am -
Nonstop2h 10m
Sat 11/145:20 pm -
Nonstop1h 50m
Deal found 10/22![Porter Airlines logo]()
$209
This Super.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:50 am -
Nonstop2h 10m
Sun 11/157:20 am -
Nonstop1h 50m
Deal found 10/22![Porter Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:50 am -
Nonstop2h 10m
Sun 11/157:20 am -
Nonstop1h 50m
Deal found 10/24![Porter Airlines logo]()
$216
This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:50 am -
Nonstop2h 10m
Wed 11/185:20 pm -
Nonstop1h 50m
Deal found 10/25![Porter Airlines logo]()
$217
This Super.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:50 am -
Nonstop2h 10m
Tue 11/245:20 pm -
Nonstop1h 50m
Deal found 10/23![Porter Airlines logo]()
$205
This Justfly.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:50 am -
Nonstop2h 10m
Sun 11/227:20 am -
Nonstop1h 50m
Deal found 10/22![Porter Airlines logo]()
$210
This FlightHub deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:50 am -
Nonstop2h 10m
Mon 11/235:20 pm -
Nonstop1h 50m
Deal found 10/23![Porter Airlines logo]()
$211
This Super.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:00 am -
Nonstop1h 54m
Tue 11/248:00 pm -
Nonstop1h 35m
Deal found 10/23![Porter Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:00 am -
Nonstop1h 54m
Sun 11/2210:35 am -
1 stop6h 08m
Deal found 10/25![Porter Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:50 am -
Nonstop2h 10m
Sat 12/55:20 pm -
Nonstop1h 50m
Deal found 10/25![Porter Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:50 am -
Nonstop2h 10m
Mon 12/77:20 am -
Nonstop1h 50m
Deal found 10/25![Porter Airlines logo]()
$214
This FlightHub deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:50 pm -
Nonstop1h 54m
Thu 11/262:20 pm -
Nonstop1h 35m
Deal found 10/23![Porter Airlines logo]()
$217
One-way flights from Boston to OntarioSearch for one-way flight options from Boston to Ontario. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.
Search for one-way flight options from Boston to Ontario. Find affordable one-way fares based on user searches. Data last updated October 27, 2026.
This Super.com deal was found by Cheapflights users on 10/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:15 pm -
1 stop5h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Porter Airlines logo]()
$95
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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.
Thu 11/198:00 am -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Porter Airlines logo]()
$95
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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.
Thu 11/199:50 am -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Porter Airlines logo]()
$96
This iWofly deal was found by Cheapflights users on 10/25. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:00 am -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Porter Airlines logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:25 pm -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Porter Airlines logo]()
$97
This FlightHub deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/141:15 pm -
1 stop6h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Porter Airlines logo]()
$97
This Trip.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/148:00 am -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Porter Airlines logo]()
$98
This Super.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:15 pm -
1 stop5h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Porter Airlines logo]()
$99
This Super.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:15 pm -
1 stop5h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Porter Airlines logo]()
$99
This Flightnetwork deal was found by Cheapflights users on 10/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:50 am -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Porter Airlines logo]()
$101
This Flightnetwork deal was found by Cheapflights users on 10/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/107:50 pm -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Porter Airlines logo]()
$101
This Air Canada deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:30 am -
1 stop5h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Air Canada logo]()
$102
Find flight deals from Boston to Ontario
Keep the following information in mind while searching for Boston to Ontario flight deals. Data was last updated October 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $202 (Super.com) |
One-way from | $95 (Super.com) |
Popular in | November |
Cheapest in | July |
Average price | $351 |
Good round-trip deal | $284 or less |
Good one-way deal | $145 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston 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 October 27, 2026.
Use the filters below to find and compare flights from Boston 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
Tue 4/6
8:00 am-9:54 am
Nonstop1h 54m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$102
BostonToronto
BOS Boston Logan Intl - YTZ Toronto Island
BOSYTZ
Boston Logan Intl
Sun 11/15
8:00 am-9:54 am
Nonstop1h 54m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$108
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Wed 11/25
6:00 am-1:24 pm
1 stop7h 24m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$112
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Sun 1/10
10:00 am-4:06 pm
1 stop6h 06m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$112
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Thu 11/19
9:10 am-5:14 pm
1 stop8h 04m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$112
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Tue 11/24
11:00 am-4:15 pm
1 stop5h 15m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$112
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Mon 12/7
11:00 am-6:00 pm
1 stop7h 00m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$112
BostonToronto
BOS Boston Logan Intl - YTZ Toronto Island
BOSYTZ
Boston Logan Intl
Fri 11/13
8:00 am-9:54 am
Nonstop1h 54m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$118
BostonOttawa
BOS Boston Logan Intl - YOW Ottawa
BOSYOW
Boston Logan Intl
Tue 1/19
1:15 pm-2:45 pm
Nonstop1h 30m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$120
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Sat 12/19
6:38 pm-11:59 pm
1 stop5h 21m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$122
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Boston to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Boston with our price prediction graph.
BOS-YTZ
BOS-YYZ
BOS-YOW
BOS-YQT
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 Boston to Ontario
BOS-CAON
BOS-YTZ
BOS-YYZ
BOS-YOW
BOS-YQT
What is the cheapest month to book a flight from Boston to Region of Ontario?
Currently, July is the cheapest month in which you can book a flight from Boston to Region of Ontario (average of $293). Flying from Boston to Region of Ontario in November is currently the most expensive (average of $415). 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 BOS to ON?
Find hourly flight availability from Boston 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 October 27, 2026.
A simple way to save on the total cost of your ticket is to fly from Boston to Region of Ontario in the evening. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the afternoon.
How much does it cost to fly round-trip from Boston to Region of Ontario?
Airfare is below average for this route at the moment.
Boston to Region of Ontario flights typically cost between $313 and $524 in December.The cheapest round-trip price found within the last 5 days was $202 on Porter Airlines (Dec 5-Dec 9).
How far ahead should I book a flight from Boston to Region of Ontario?
Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Region of Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Boston to Region of Ontario?
Use this chart to determine the cheapest time to fly round-trip from Boston to Ontario. Price data was last updated on April 25, 2026.
Travelers seeking maximum savings on their Boston 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 October 27, 2026.
Read through reviews of airlines operating flights from Boston to Ontario, such as Porter Airlines,Air Transat, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
6.9
Overall
8.0
Boarding
8.2
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
6.9
Overall
8.0
Boarding
8.2
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
6.9
Overall
8.0
Boarding
8.2
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
6.9
Overall
8.0
Boarding
8.2
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
6.9
Overall
8.0
Boarding
8.2
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
6.9
Overall
8.0
Boarding
8.2
Crew
8.6
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Related info for your journey
Find useful and relevant information for your journey from Boston 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 Boston 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 Boston to Ontario by cabin class
Find flights from Boston to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Ontario flights
Browse other Boston and Ontario flight options. Last updated on October 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Boston to Ontario flights
Consider these flights traveling from Boston to Ontario.
Top 7 airlines flying from Boston to Ontario
Discover the top 7 airlines that operate flights from Boston 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 October 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$373 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$128 | Average$278 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$132 | Average$339 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$157 | Average$400 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$288 | Average$644 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$306 | Average$398 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$387 | Average$387 | FlexibilityNo cancel fee | On-time75% |