$128+ Cheap flights from Toronto (YTO) to Boston (BOS)
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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — BOS
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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Find cheap flights from Toronto to Boston 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 Toronto to Boston Logan Intl are usually found in July or November, booked 72 days in advance, depart on a Thursday or Friday and return on a Friday
Cheap flight deals from Toronto to Boston
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Cheapest flights from Toronto to BostonExplore the most affordable flight options available from Toronto to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
Explore the most affordable flight options available from Toronto to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
This Trip.com deal was found by Cheapflights users on 9/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:35 am -
1 stop6h 07m
Sat 10/311:10 pm -
1 stop5h 18m
Deal found 9/24![Porter Airlines logo]()
$188
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:20 am -
Nonstop1h 50m
Fri 10/309:50 am -
Nonstop2h 10m
Deal found 9/23![Porter Airlines logo]()
$188
This Kissandfly.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:20 am -
Nonstop1h 50m
Thu 11/129:50 am -
Nonstop2h 10m
Deal found 9/21![Porter Airlines logo]()
$189
This Justfly.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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.
Wed 10/2111:55 am -
1 stop4h 02m
Mon 10/267:50 pm -
Nonstop1h 54m
Deal found 9/21![Porter Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:55 pm -
Nonstop1h 40m
Mon 10/1910:05 am -
Nonstop1h 55m
Deal found 9/23![Porter Airlines logo]()
$190
This Cheapflightsfares deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Sun 10/118:50 am -
Nonstop1h 39m
Sun 10/187:00 am -
Nonstop1h 47m
Deal found 9/20![Porter Airlines logo]()
$191
This FlightHub deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/297:20 am -
Nonstop1h 50m
Sun 11/11:15 pm -
1 stop5h 50m
Deal found 9/19![Porter Airlines logo]()
$191
This Cheapflightsfares deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/234:00 pm -
Nonstop1h 39m
Mon 10/267:50 pm -
Nonstop1h 54m
Deal found 9/20![Porter Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/237:25 am -
Nonstop1h 40m
Mon 10/269:50 am -
Nonstop2h 10m
Deal found 9/21![Porter Airlines logo]()
$192
This SmartFares deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:30 pm -
1 stop4h 56m
Sun 10/115:50 am -
1 stop4h 15m
Deal found 9/21![Air Canada logo]()
$193
This FlightHub deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Sat 10/317:20 am -
Nonstop1h 50m
Sun 11/11:15 pm -
1 stop5h 50m
Deal found 9/20![Porter Airlines logo]()
$193
This FlightHub deal was found by Cheapflights users on 9/22. 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.
Fri 10/2310:30 am -
1 stop5h 27m
Sat 10/311:10 pm -
1 stop5h 18m
Deal found 9/22![Porter Airlines logo]()
$194
Best flights from Toronto to BostonDiscover carefully curated flight deals from Toronto to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
Discover carefully curated flight deals from Toronto to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
This Justfly.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/292:20 pm -
Nonstop1h 32m
Tue 11/31:15 pm -
1 stop5h 13m
Deal found 9/19![Porter Airlines logo]()
$200
This United deal was found by Cheapflights users on 9/22. 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.
Wed 10/77:30 am -
1 stop3h 54m
Fri 10/165:50 am -
2 stops7h 17m
Deal found 9/22![Multiple Airlines logo]()
$240
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/266:45 am -
1 stop6h 01m
Thu 10/299:12 am -
1 stop7h 35m
Deal found 9/19![United Airlines logo]()
$244
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/2110:04 am -
1 stop4h 21m
Sat 10/246:00 am -
1 stop5h 25m
Deal found 9/19![Delta logo]()
$244
This Porter Airlines deal was found by Cheapflights users on 9/22. 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.
Fri 10/239:00 am -
2 stops6h 57m
Thu 10/291:15 pm -
1 stop5h 13m
Deal found 9/22![Porter Airlines logo]()
$240
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 11/69:44 am -
1 stop6h 06m
Mon 11/96:05 pm -
1 stop5h 21m
Deal found 9/21![United Airlines logo]()
$244
This Delta deal was found by Cheapflights users on 9/23. 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.
Mon 10/192:30 pm -
1 stop5h 59m
Wed 10/217:00 am -
1 stop6h 40m
Deal found 9/23![Delta logo]()
$251
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/43:35 pm -
1 stop8h 05m
Sat 11/76:36 pm -
1 stop5h 23m
Deal found 9/19![United Airlines logo]()
$244
This United deal was found by Cheapflights users on 9/23. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:45 pm -
1 stop4h 14m
Thu 10/225:50 am -
2 stops5h 17m
Deal found 9/23![Multiple Airlines logo]()
$269
This Porter Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/239:00 am -
2 stops6h 57m
Sat 10/311:10 pm -
1 stop5h 18m
Deal found 9/20![Porter Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 9/23. 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.
Mon 10/266:00 am -
1 stop8h 25m
Fri 10/304:00 pm -
1 stop7h 36m
Deal found 9/23![Delta logo]()
$265
This FlightHub deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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.
Sat 10/101:35 pm -
Nonstop1h 39m
Mon 10/127:00 am -
Nonstop1h 47m
Deal found 9/19![Multiple Airlines logo]()
$271
This Porter Airlines deal was found by Cheapflights users on 9/24. 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 10/2111:55 am -
1 stop4h 02m
Sun 10/258:00 am -
Nonstop1h 54m
Deal found 9/24![Porter Airlines logo]()
$251
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/2312:55 pm -
1 stop4h 49m
Thu 12/245:00 pm -
1 stop6h 26m
Deal found 9/20![United Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 9/23. 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 10/276:28 pm -
1 stop4h 37m
Sun 11/16:00 am -
1 stop5h 25m
Deal found 9/23![Delta logo]()
$274
This Porter Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/1910:35 am -
1 stop6h 07m
Fri 12/257:50 pm -
Nonstop1h 54m
Deal found 9/20![Porter Airlines logo]()
$257
This United deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/109:44 am -
1 stop14h 15m
Sun 10/115:50 am -
2 stops7h 17m
Deal found 9/19![Multiple Airlines logo]()
$303
This Porter Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/2310:35 am -
1 stop6h 07m
Tue 12/221:15 pm -
1 stop5h 13m
Deal found 9/20![Porter Airlines logo]()
$257
This Porter Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/2312:15 pm -
1 stop4h 27m
Fri 12/254:35 pm -
Nonstop1h 54m
Deal found 9/20![Porter Airlines logo]()
$257
This Porter Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/1710:35 am -
1 stop6h 07m
Tue 12/228:00 am -
Nonstop1h 54m
Deal found 9/20![Porter Airlines logo]()
$257
This FlightHub deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/54:00 pm -
Nonstop1h 39m
Fri 10/93:55 pm -
1 stop5h 55m
Deal found 9/19![Porter Airlines logo]()
$265
This Porter Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/185:20 pm -
Nonstop1h 50m
Thu 12/245:25 pm -
Nonstop2h 10m
Deal found 9/20![Porter Airlines logo]()
$266
This Porter Airlines deal was found by Cheapflights users on 9/24. 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.
Thu 10/229:00 am -
2 stops6h 57m
Thu 10/291:15 pm -
1 stop5h 13m
Deal found 9/24![Porter Airlines logo]()
$281
This Porter Airlines deal was found by Cheapflights users on 9/23. 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 11/79:00 am -
2 stops7h 42m
Sat 11/141:15 pm -
1 stop5h 13m
Deal found 9/23![Porter Airlines logo]()
$283
Last-minute flights from Toronto to BostonDiscover last-minute flight deals from Toronto to Boston. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from Toronto to Boston. Data last updated September 24, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/57:25 am -
Nonstop1h 40m
Mon 10/57:30 pm -
Nonstop1h 55m
Deal found 9/21![Porter Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:55 pm -
Nonstop1h 40m
Mon 10/1910:05 am -
Nonstop1h 55m
Deal found 9/23![Porter Airlines logo]()
$190
This Cheapflightsfares deal was found by Cheapflights users on 9/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:25 am -
Nonstop1h 40m
Mon 10/269:50 am -
Nonstop2h 10m
Deal found 9/24![Porter Airlines logo]()
$189
This Justfly.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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.
Wed 10/2111:55 am -
1 stop4h 02m
Mon 10/267:50 pm -
Nonstop1h 54m
Deal found 9/21![Porter Airlines logo]()
$190
This Cheapflightsfares deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/234:00 pm -
Nonstop1h 39m
Mon 10/267:50 pm -
Nonstop1h 54m
Deal found 9/20![Porter Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/237:25 am -
Nonstop1h 40m
Mon 10/269:50 am -
Nonstop2h 10m
Deal found 9/21![Porter Airlines logo]()
$192
This Trip.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/2310:30 am -
1 stop5h 27m
Sat 10/318:00 am -
Nonstop1h 54m
Deal found 9/19![Porter Airlines logo]()
$193
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:20 am -
Nonstop1h 50m
Fri 10/309:50 am -
Nonstop2h 10m
Deal found 9/23![Porter Airlines logo]()
$188
This Trip.com deal was found by Cheapflights users on 9/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:35 am -
1 stop6h 07m
Sat 10/311:10 pm -
1 stop5h 18m
Deal found 9/24![Porter Airlines logo]()
$188
This Cheapflightsfares deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/2911:00 am -
Nonstop1h 32m
Sun 11/17:50 pm -
Nonstop1h 54m
Deal found 9/19![Porter Airlines logo]()
$191
This FlightHub deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/297:20 am -
Nonstop1h 50m
Sun 11/11:15 pm -
1 stop5h 50m
Deal found 9/19![Porter Airlines logo]()
$191
This FlightHub deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Sat 10/317:20 am -
Nonstop1h 50m
Sun 11/11:15 pm -
1 stop5h 50m
Deal found 9/20![Porter Airlines logo]()
$193
One-way flights from Toronto to BostonSearch for one-way flight options from Toronto to Boston. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
Search for one-way flight options from Toronto to Boston. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This CheapTickets.ch deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:30 am -
1 stop6h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Air Canada logo]()
$128
This FlightHub deal was found by Cheapflights users on 9/23. 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.
Wed 10/144:55 pm -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Air Transat logo]()
$128
This Cheapflightsfares deal was found by Cheapflights users on 9/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 pm -
Nonstop1h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Porter Airlines logo]()
$129
This FlightHub deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/117:25 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Air Transat logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 10/247:25 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Porter Airlines logo]()
$130
This Air Canada deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/238:30 am -
1 stop6h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Air Canada logo]()
$131
This iWofly deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Sat 10/108:55 pm -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Air Canada logo]()
$131
This FlightHub deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Sat 11/72:20 pm -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Porter Airlines logo]()
$132
This FlightHub deal was found by Cheapflights users on 9/23. 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.
Fri 10/167:25 am -
Nonstop1h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Porter Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/79:55 am -
Nonstop1h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Porter Airlines logo]()
$133
This Mytrip deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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.
Mon 10/58:50 am -
Nonstop1h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Porter Airlines logo]()
$134
This FlightHub deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Sat 10/103:05 pm -
Nonstop1h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Porter Airlines logo]()
$135
Find flight deals from Toronto to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to Boston (BOS). 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 September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $188 (Trip.com) |
One-way from | $128 (CheapTickets.ch) |
Popular in | April |
Cheapest in | July |
Average price | $263 |
Good round-trip deal | $237 or less |
Good one-way deal | $198 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Toronto to Boston 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 September 24, 2026.
Use the filters below to find and compare flights from Toronto to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TorontoBoston
YTZ Toronto Island - BOS Boston Logan Intl
YTZBOS
Toronto Island
Thu 10/15
10:45 am-2:41 pm
1 stop3h 56m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$131
TorontoBoston
YTZ Toronto Island - BOS Boston Logan Intl
YTZBOS
Toronto Island
Wed 10/28
7:00 am-4:42 pm
2 stops9h 42m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$137
TorontoBoston
YTZ Toronto Island - BOS Boston Logan Intl
YTZBOS
Toronto Island
Wed 10/7
8:20 am-2:41 pm
2 stops6h 21m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$140
TorontoBoston
YTZ Toronto Island - BOS Boston Logan Intl
YTZBOS
Toronto Island
Tue 12/1
9:00 am-4:42 pm
2 stops7h 42m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
TorontoBoston
YYZ Toronto Pearson Intl - BOS Boston Logan Intl
YYZBOS
Toronto Pearson Intl
Sun 11/8
5:55 pm-12:46 am
1 stop6h 51m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$151
TorontoBoston
YYZ Toronto Pearson Intl - BOS Boston Logan Intl
YYZBOS
Toronto Pearson Intl
Thu 10/8
6:00 am-1:29 pm
1 stop7h 29m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$151
TorontoBoston
YYZ Toronto Pearson Intl - BOS Boston Logan Intl
YYZBOS
Toronto Pearson Intl
Tue 10/13
6:00 am-11:22 am
1 stop5h 22m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$151
TorontoBoston
YYZ Toronto Pearson Intl - BOS Boston Logan Intl
YYZBOS
Toronto Pearson Intl
Sun 10/18
6:00 am-11:15 am
1 stop5h 15m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$151
TorontoBoston
YTZ Toronto Island - BOS Boston Logan Intl
YTZBOS
Toronto Island
Fri 10/23
9:00 am-3:57 pm
2 stops6h 57m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$155
TorontoBoston
YTZ Toronto Island - BOS Boston Logan Intl
YTZBOS
Toronto Island
Thu 10/15
9:00 am-5:17 pm
2 stops8h 17m
Boston Logan Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$155
Showing 1-10 of 43 resultsSorted by cheapest first
Compare providers for flights from Toronto to Boston
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 Toronto to Boston in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Toronto-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Toronto-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Toronto-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Toronto-Boston 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 Toronto-Boston 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 Toronto to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Toronto with our price prediction graph.
YTO-BOS
YTZ-BOS
YYZ-BOS
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 Toronto to Boston
YTO-BOS
YTZ-BOS
YYZ-BOS
What is the cheapest month to book a flight from Toronto to Boston?
Currently, August is the cheapest month in which you can book a flight from Toronto to Boston (average of $264). Flying from Toronto to Boston in April is currently the most expensive (average of $350). 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 YTO to BOS?
Find hourly flight availability from Toronto to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 24, 2026.
It’s optimal to fly from Toronto to Boston in the morning. By choosing this option you can save up to 63% on the cost of your flight, compared to a flight in the afternoon.
Weekly flight availability from Toronto to Boston
Explore weekly flight availability from Toronto to Boston. 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 September 24, 2026.
The most flights from YTO to BOS are scheduled on a Monday (39 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (21 on average).
How much does it cost to fly round-trip from Toronto to Boston?
Airfare is below average for this route at the moment.
Toronto to Boston flights typically cost between $222 and $354 in October.The cheapest round-trip price found within the last 5 days was $188 on Porter Airlines (Oct 27-Oct 31).
How often are flights from Toronto to Boston delayed?
About 25% of weekly flights between Toronto and Boston have experienced delays in the past year, with the average delay time being 119 minutes.
What is the most punctual flight time for Toronto to Boston flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Toronto to Boston flights?
Over the last year, Porter Airlines have had the lowest number of delays on this route, with just 22% of flights being delayed.
How far ahead should I book a flight from Toronto to Boston?
To ensure you get the cheapest price possible for a flight from Toronto to Boston, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Toronto to Boston?
Use this chart to determine the cheapest time to fly round-trip from Toronto to Boston. Price data was last updated on September 19, 2026.
Travelers seeking maximum savings on their Toronto to Boston flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Toronto to Boston 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 Toronto to Boston trip
Our travel experts
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated September 24, 2026.
Read through reviews of airlines operating flights from Toronto to Boston, such as Porter Airlines,Air Transat, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Food
7.6
Boarding
8.2
Entertainment
6.9
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Overall
8.0
Comfort
8.0
Food
7.6
Boarding
8.2
Entertainment
6.9
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Overall
8.0
Comfort
8.0
Food
7.6
Boarding
8.2
Entertainment
6.9
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Overall
8.0
Comfort
8.0
Food
7.6
Boarding
8.2
Entertainment
6.9
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Related info for your journey
Find useful and relevant information for your journey from Toronto to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Dedham
Cranston
Revere
Warwick
Pawtucket
Peabody
Auburn
Londonderry
York Beach
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
Sandwich
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Toronto to Boston
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Other flights to Boston
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Complete your trip
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Search flights from Toronto to Boston by cabin class
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Toronto and Boston flights
Browse other Toronto and Boston flight options. Last updated on September 24, 2026.
Other flights from Toronto
Browse through other flights departing from Toronto. Flights are based on user searches made on Cheapflights and were last updated on September 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Toronto to Boston
Discover the top 5 airlines that operate flights from Toronto to Boston. 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 September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$186 | Average$286 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$189 | Average$292 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$246 | Average$420 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$305 | Average$553 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$311 | Average$360 | FlexibilityNo cancel fee | On-time71% |