$121+ Cheap flights from Boston (BOS) to Toronto (YTO)
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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YTO
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Toronto 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Boston Logan Intl to Toronto are usually found in July or January, booked 62 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Boston to Toronto
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Cheapest flights from Boston to TorontoExplore the most affordable flight options available from Boston to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
Explore the most affordable flight options available from Boston to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 11/1![Porter Airlines logo]()
$265
This FlightHub deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/11:15 pm -
1 stop5h 43m
Thu 12/35:20 pm -
Nonstop1h 50m
Deal found 11/1![Porter Airlines logo]()
$272
This VIAZA 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 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 11/2![Air Canada logo]()
$272
This Justfly.com 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 Justfly.com 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 11/2![Porter Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/45:30 pm -
Nonstop2h 10m
Tue 12/85:20 pm -
Nonstop1h 50m
Deal found 11/1![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 Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Sun 12/61:15 pm -
1 stop5h 14m
Mon 12/712:15 pm -
1 stop4h 31m
Deal found 10/30![Porter Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/215:25 pm -
Nonstop2h 10m
Sun 11/227:20 am -
Nonstop1h 50m
Deal found 10/31![Porter Airlines logo]()
$277
This FlightHub deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 -
1 stop5h 14m
Wed 12/910:35 am -
1 stop6h 11m
Deal found 10/31![Porter Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/41:15 pm -
1 stop5h 14m
Thu 12/1012:15 pm -
1 stop4h 31m
Deal found 11/1![Porter Airlines logo]()
$278
This Kiwi.com 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 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 11/2![Porter Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/49:50 am -
Nonstop2h 10m
Wed 12/95:20 pm -
Nonstop1h 50m
Deal found 10/30![Porter Airlines logo]()
$281
Best flights from Boston to TorontoDiscover carefully curated flight deals from Boston to Toronto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
Discover carefully curated flight deals from Boston to Toronto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
This Porter Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 12/68:00 am -
Nonstop1h 55m
Wed 12/912:15 pm -
1 stop4h 31m
Deal found 10/30![Porter Airlines logo]()
$336
This Air Transat deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/89:50 am -
Nonstop2h 10m
Thu 12/105:20 pm -
Nonstop1h 50m
Deal found 10/31![Air Transat logo]()
$358
This United deal was found by Cheapflights users on 10/30. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:30 am -
1 stop6h 13m
Sun 11/227:10 am -
2 stops7h 43m
Deal found 10/30![Multiple Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/412:49 pm -
2 stops10h 18m
Fri 12/112:35 pm -
1 stop7h 45m
Deal found 11/1![Delta logo]()
$381
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:00 pm -
1 stop4h 26m
Sun 11/229:44 am -
1 stop6h 06m
Deal found 10/30![United Airlines logo]()
$382
This Porter Airlines deal was found by Cheapflights users on 10/30. 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.
Thu 12/34:35 pm -
Nonstop1h 55m
Tue 12/810:35 am -
1 stop6h 11m
Deal found 10/30![Porter Airlines logo]()
$336
This Porter Airlines 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:15 pm -
1 stop5h 13m
Wed 12/29:00 am -
2 stops7h 46m
Deal found 11/2![Porter Airlines logo]()
$347
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.
Sun 11/223:01 pm -
1 stop6h 14m
Thu 11/268:05 am -
2 stops6h 48m
Deal found 11/3![Multiple Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 10/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:49 pm -
2 stops10h 18m
Sun 12/67:35 am -
1 stop5h 46m
Deal found 10/30![Delta logo]()
$390
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.
Wed 12/21:15 pm -
1 stop5h 14m
Wed 12/99:00 am -
2 stops7h 46m
Deal found 11/3![Porter Airlines logo]()
$347
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 Porter Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/281:15 pm -
1 stop5h 13m
Sat 12/59:00 am -
2 stops7h 46m
Deal found 10/31![Porter Airlines logo]()
$347
This United 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 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
Wed 12/98:00 am -
1 stop6h 53m
Deal found 11/4![Multiple Airlines logo]()
$397
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.
Wed 11/2510:00 am -
1 stop7h 54m
Mon 11/306:04 pm -
1 stop4h 51m
Deal found 11/3![Delta logo]()
$463
This Porter Airlines 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:35 pm -
Nonstop1h 55m
Sat 12/1211:00 am -
Nonstop1h 34m
Deal found 11/2![Porter Airlines logo]()
$349
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:30 am -
1 stop7h 19m
Mon 11/237:10 am -
2 stops7h 43m
Deal found 11/2![Multiple Airlines logo]()
$397
This Porter Airlines 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:00 am -
Nonstop1h 54m
Wed 12/212:15 pm -
1 stop4h 31m
Deal found 11/2![Porter Airlines logo]()
$359
This United deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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.
Mon 11/3012:00 pm -
1 stop5h 49m
Mon 12/77:10 am -
2 stops11h 52m
Deal found 10/31![Multiple Airlines logo]()
$402
This Porter Airlines 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:00 am -
Nonstop1h 54m
Tue 12/110:35 am -
1 stop6h 11m
Deal found 11/2![Porter Airlines logo]()
$359
This Porter Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/151:15 pm -
1 stop5h 14m
Tue 12/228:05 pm -
Nonstop1h 34m
Deal found 10/31![Porter Airlines logo]()
$363
This Porter Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 12/208:00 am -
Nonstop1h 55m
Fri 1/18:00 pm -
Nonstop1h 34m
Deal found 10/30![Porter Airlines logo]()
$366
This Porter Airlines 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:00 am -
Nonstop1h 54m
Thu 12/311:00 am -
Nonstop1h 34m
Deal found 11/2![Porter Airlines logo]()
$372
This Porter Airlines 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:35 pm -
Nonstop1h 54m
Wed 12/211:00 am -
Nonstop1h 34m
Deal found 11/2![Porter Airlines logo]()
$372
This Porter Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/271:15 pm -
2 stops9h 18m
Fri 12/43:25 pm -
1 stop7h 30m
Deal found 10/30![Porter Airlines logo]()
$463
Last-minute flights from Boston to TorontoDiscover last-minute flight deals from Boston to Toronto. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Toronto. Data last updated November 4, 2026 and is based on user searches.
This VIAZA 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 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 11/2![Air Canada logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/215:25 pm -
Nonstop2h 10m
Sun 11/227:20 am -
Nonstop1h 50m
Deal found 10/31![Porter Airlines logo]()
$277
This Kiwi.com 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 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 11/2![Porter Airlines logo]()
$280
This FlightHub deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/11:15 pm -
1 stop5h 43m
Thu 12/35:20 pm -
Nonstop1h 50m
Deal found 11/1![Porter Airlines 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.
Tue 12/19:50 am -
Nonstop2h 10m
Wed 12/25:20 pm -
Nonstop1h 50m
Deal found 11/3![Porter Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 11/1![Porter Airlines logo]()
$265
This Justfly.com 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 Justfly.com 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 11/2![Porter Airlines logo]()
$274
This FlightHub deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 -
1 stop5h 14m
Wed 12/910:35 am -
1 stop6h 11m
Deal found 10/31![Porter Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/49:50 am -
Nonstop2h 10m
Sun 12/67:20 am -
Nonstop1h 50m
Deal found 11/1![Porter Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/41:15 pm -
1 stop5h 14m
Thu 12/1012:15 pm -
1 stop4h 31m
Deal found 11/1![Porter Airlines logo]()
$278
This Trip.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/45:30 pm -
Nonstop2h 10m
Tue 12/87:20 am -
Nonstop1h 50m
Deal found 11/1![Porter Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Sun 12/61:15 pm -
1 stop5h 14m
Mon 12/712:15 pm -
1 stop4h 31m
Deal found 10/30![Porter Airlines logo]()
$276
One-way flights from Boston to TorontoSearch for one-way flight options from Boston to Toronto. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
Search for one-way flight options from Boston to Toronto. Find affordable one-way fares based on user searches. Data last updated November 4, 2026.
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 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/41:15 pm -
1 stop5h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Porter Airlines logo]()
$121
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:15 pm -
1 stop5h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Porter Airlines logo]()
$122
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 12/17:50 pm -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Porter Airlines logo]()
$122
This Super.com deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 11/231:15 pm -
1 stop5h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Porter Airlines logo]()
$123
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:35 pm -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Porter Airlines logo]()
$123
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/81:15 pm -
1 stop5h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Porter Airlines logo]()
$124
This Super.com 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 Super.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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Porter Airlines logo]()
$124
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 11/1. Clicking the “Pick Dates” 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.
Sun 11/229:50 am -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Porter Airlines logo]()
$127
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 11/244:35 pm -
Nonstop1h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Air Transat logo]()
$127
Find flight deals from Boston to Toronto
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Toronto (YTO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $265 (Kiwi.com) |
One-way from | $121 (Cheapflightsfares) |
Popular in | November |
Cheapest in | July |
Average price | $419 |
Good round-trip deal | $270 or less |
Good one-way deal | $145 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Toronto 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 4, 2026.
Use the filters below to find and compare flights from Boston to Toronto 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 12/8
1:15 pm-6:29 pm
1 stop5h 14m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$121
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Wed 12/9
9:50 am-12:00 pm
Nonstop2h 10m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$126
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
Mon 12/28
8:00 am-9:55 am
Nonstop1h 55m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Fri 12/4
2:58 pm-9:15 pm
1 stop6h 17m
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
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
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
Wed 11/25
7:00 am-4:15 pm
1 stop9h 15m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Wed 12/16
7:00 pm-11:41 pm
1 stop4h 41m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$154
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Thu 12/31
3:31 pm-9:24 pm
1 stop5h 53m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$161
Showing 1-10 of 47 resultsSorted by cheapest first
Compare providers for flights from Boston to Toronto
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Toronto in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Boston-Toronto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Toronto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Toronto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Toronto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Toronto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to Toronto
Have a flexible travel schedule? Discover the best time to fly to Toronto from Boston with our price prediction graph.
BOS-YTO
BOS-YTZ
BOS-YYZ
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boston to Toronto
BOS-YTO
BOS-YTZ
BOS-YYZ
What is the cheapest month to book a flight from Boston to Toronto?
Currently, July is the cheapest month in which you can book a flight from Boston to Toronto (average of $287). Flying from Boston to Toronto in November is currently the most expensive (average of $411). 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 YTO?
Find hourly flight availability from Boston to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2026.
A simple way to save on the total cost of your ticket is to fly from Boston to Toronto in the evening. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the afternoon.
Weekly flight availability from Boston to Toronto
Explore weekly flight availability from Boston to Toronto. 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 4, 2026.
The most flights from BOS to YTO are scheduled on a Monday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).
How much does it cost to fly round-trip from Boston to Toronto?
Airfare is below average for this route at the moment.
Boston to Toronto flights typically cost between $296 and $563 in December.The cheapest round-trip price found within the last 5 days was $265 on Porter Airlines (Dec 3-Dec 6).
How often are flights from Boston to Toronto delayed?
About 24% of weekly flights between Boston and Toronto have experienced delays in the past year, with the average delay time being 126 minutes.
What is the most punctual flight time for Boston to Toronto flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Boston to Toronto flights?
Over the last year, Porter Airlines have had the lowest number of delays on this route, with just 23% of flights being delayed.
How far ahead should I book a flight from Boston to Toronto?
Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Toronto. 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 Toronto?
Use this chart to determine the cheapest time to fly round-trip from Boston to Toronto. Price data was last updated on October 31, 2026.
Travelers seeking maximum savings on their Boston to Toronto flight should consider departing on Thursday evenings 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.
The best insider tips for Boston to Toronto flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Toronto trip
Our travel experts
Reviews of airlines servicing Toronto
Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated November 4, 2026.
Peruse reviews from past customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Boston to Toronto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Boarding
8.2
Entertainment
6.9
Food
7.6
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Comfort
8.0
Boarding
8.2
Entertainment
6.9
Food
7.6
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Comfort
8.0
Boarding
8.2
Entertainment
6.9
Food
7.6
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Comfort
8.0
Boarding
8.2
Entertainment
6.9
Food
7.6
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Comfort
8.0
Boarding
8.2
Entertainment
6.9
Food
7.6
Overall
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Crew
8.6
Comfort
8.0
Boarding
8.2
Entertainment
6.9
Food
7.6
Overall
8.0
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 Toronto. 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
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Search flights from Boston to Toronto by cabin class
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Boston and Toronto flights
Browse other Boston and Toronto flight options. Last updated on November 4, 2026.
Other flights from Boston
Browse through other flights departing from Boston. Flights are based on user searches made on Cheapflights and were last updated on November 4, 2026.
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Other flights to Toronto
Explore flights to Toronto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 4, 2026.
Top 7 airlines flying from Boston to Toronto
Discover the top 7 airlines that operate flights from Boston to Toronto. 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$342 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$128 | Average$214 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$132 | Average$320 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$206 | Average$389 | 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% |