$93+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YTO
Oct 6 — Oct 131
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 September, booked 55 days in advance, depart on a Friday or Thursday 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 September 6, 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 September 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Wed 10/73:55 pm -
1 stop6h 09m
Sun 10/117:25 am -
Nonstop1h 40m
Deal found 9/2![Porter Airlines logo]()
$198
This Mytrip deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:55 am -
Nonstop1h 47m
Sat 10/313:35 pm -
2 stops5h 53m
Deal found 9/5![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Fri 10/2310:05 am -
Nonstop1h 55m
Wed 10/285:20 pm -
Nonstop1h 50m
Deal found 9/2![Porter Airlines logo]()
$199
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:30 pm -
Nonstop1h 45m
Sat 10/310:45 am -
1 stop3h 56m
Deal found 9/6![Multiple Airlines logo]()
$199
This Flightnetwork deal was found by Cheapflights users on 9/4. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:35 pm -
1 stop4h 18m
Sat 10/317:20 am -
Nonstop1h 50m
Deal found 9/4![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Sat 10/2410:05 am -
Nonstop1h 55m
Mon 10/267:20 am -
Nonstop1h 50m
Deal found 9/2![Porter Airlines logo]()
$201
This deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am -
Nonstop1h 47m
Wed 9/3011:55 am -
1 stop3h 55m
Deal found 9/4![Porter Airlines logo]()
$201
This Trip.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:55 pm -
1 stop6h 09m
Tue 10/137:25 am -
Nonstop1h 40m
Deal found 9/3![Porter Airlines logo]()
$202
This Super.com deal was found by Cheapflights users on 9/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/11:15 pm -
1 stop5h 13m
Fri 12/410:35 am -
1 stop6h 07m
Deal found 9/4![Porter Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/229:50 am -
Nonstop2h 10m
Sun 11/225:20 pm -
Nonstop1h 50m
Deal found 9/6![Porter Airlines logo]()
$203
This Flightnetwork deal was found by Cheapflights users on 9/4. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:30 pm -
Nonstop1h 47m
Sat 10/312:20 pm -
Nonstop1h 32m
Deal found 9/4![Porter Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Sat 11/149:50 am -
Nonstop2h 10m
Wed 11/185:20 pm -
Nonstop1h 50m
Deal found 9/2![Porter Airlines logo]()
$204
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 September 6, 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 September 6, 2026.
This Porter Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:00 am -
Nonstop1h 54m
Thu 11/2612:15 pm -
1 stop4h 27m
Deal found 9/3![Porter Airlines logo]()
$235
This Air Canada deal was found by Cheapflights users on 9/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:50 am -
1 stop4h 15m
Tue 10/134:30 pm -
1 stop4h 56m
Deal found 9/1![Air Canada logo]()
$262
This United deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:31 am -
1 stop9h 16m
Tue 12/12:00 pm -
1 stop5h 02m
Deal found 9/6![Multiple Airlines logo]()
$263
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:13 pm -
1 stop4h 41m
Mon 10/2612:55 pm -
1 stop4h 49m
Deal found 9/1![United Airlines logo]()
$275
This Porter Airlines deal was found by Cheapflights users on 9/3. 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 9/3010:05 am -
Nonstop1h 55m
Sat 10/37:25 am -
Nonstop1h 40m
Deal found 9/3![Porter Airlines logo]()
$239
This Porter Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 9/2910:05 am -
Nonstop1h 55m
Mon 10/57:25 am -
Nonstop1h 40m
Deal found 9/3![Porter Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 am -
1 stop7h 43m
Sun 11/226:45 am -
1 stop5h 56m
Deal found 9/6![United Airlines logo]()
$275
This Porter Airlines deal was found by Cheapflights users on 9/3. 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 9/3010:05 am -
Nonstop1h 55m
Fri 10/24:55 pm -
Nonstop1h 40m
Deal found 9/3![Porter Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 9/2. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:43 pm -
1 stop5h 16m
Sat 10/247:43 pm -
1 stop4h 16m
Deal found 9/2![United Airlines logo]()
$275
This Porter Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/410:05 am -
Nonstop1h 55m
Sat 10/107:25 am -
Nonstop1h 40m
Deal found 9/6![Porter Airlines logo]()
$239
This Porter Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 9/2910:05 am -
Nonstop1h 55m
Tue 10/64:55 pm -
Nonstop1h 40m
Deal found 9/3![Porter Airlines logo]()
$239
This Porter Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 9/297:30 pm -
Nonstop1h 55m
Wed 10/74:55 pm -
Nonstop1h 40m
Deal found 9/3![Porter Airlines logo]()
$239
This Porter Airlines deal was found by Cheapflights users on 9/2. 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 10/173:55 pm -
1 stop6h 09m
Sat 10/247:25 am -
Nonstop1h 40m
Deal found 9/2![Porter Airlines logo]()
$244
This Porter Airlines deal was found by Cheapflights users on 9/4. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:55 pm -
Nonstop1h 47m
Mon 10/2611:00 am -
Nonstop1h 32m
Deal found 9/4![Porter Airlines logo]()
$248
This Porter Airlines deal was found by Cheapflights users on 9/1. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:20 pm -
Nonstop1h 47m
Fri 10/238:50 am -
Nonstop1h 39m
Deal found 9/1![Porter Airlines logo]()
$248
This Porter Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:25 pm -
Nonstop1h 47m
Tue 10/2711:00 am -
Nonstop1h 32m
Deal found 9/5![Porter Airlines logo]()
$249
This Porter Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:55 pm -
1 stop4h 20m
Wed 10/2811:00 am -
Nonstop1h 32m
Deal found 9/6![Porter Airlines logo]()
$254
This Porter Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 9/292:20 pm -
1 stop7h 44m
Sun 10/47:25 am -
Nonstop1h 40m
Deal found 9/3![Porter Airlines logo]()
$277
This Porter Airlines deal was found by Cheapflights users on 9/3. 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 9/302:20 pm -
1 stop4h 35m
Wed 10/76:00 pm -
Nonstop1h 39m
Deal found 9/3![Porter Airlines logo]()
$288
This Porter Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 9/292:20 pm -
1 stop4h 35m
Sun 10/46:00 pm -
Nonstop1h 39m
Deal found 9/3![Porter Airlines logo]()
$304
Last-minute flights from Boston to TorontoDiscover last-minute flight deals from Boston to Toronto. Data last updated September 6, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Toronto. Data last updated September 6, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:50 am -
1 stop5h 43m
Sun 9/277:25 am -
Nonstop1h 40m
Deal found 9/3![Multiple Airlines logo]()
$204
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/274:30 pm -
Nonstop1h 45m
Sat 10/310:45 am -
1 stop3h 56m
Deal found 9/6![Multiple Airlines logo]()
$199
This deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:00 am -
Nonstop1h 47m
Wed 9/3011:55 am -
1 stop3h 55m
Deal found 9/4![Porter Airlines logo]()
$201
This Trip.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:55 pm -
1 stop6h 09m
Sun 10/47:25 am -
Nonstop1h 40m
Deal found 9/6![Porter Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Wed 10/73:55 pm -
1 stop6h 09m
Sun 10/117:25 am -
Nonstop1h 40m
Deal found 9/2![Porter Airlines logo]()
$198
This Trip.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:55 pm -
1 stop6h 09m
Tue 10/137:25 am -
Nonstop1h 40m
Deal found 9/3![Porter Airlines logo]()
$202
This Mytrip deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:55 am -
Nonstop1h 47m
Sat 10/313:35 pm -
2 stops5h 53m
Deal found 9/5![Multiple Airlines logo]()
$198
This Flightnetwork deal was found by Cheapflights users on 9/4. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:35 pm -
1 stop4h 18m
Sat 10/317:20 am -
Nonstop1h 50m
Deal found 9/4![Multiple Airlines logo]()
$200
This Flightnetwork deal was found by Cheapflights users on 9/4. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:50 am -
1 stop4h 15m
Sat 10/318:30 am -
1 stop6h 23m
Deal found 9/4![Air Canada logo]()
$202
This Flightnetwork deal was found by Cheapflights users on 9/4. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:30 pm -
Nonstop1h 47m
Sat 10/312:20 pm -
Nonstop1h 32m
Deal found 9/4![Porter Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Fri 10/233:55 pm -
1 stop5h 49m
Sun 10/257:20 am -
Nonstop1h 50m
Deal found 9/2![Porter Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Sat 10/2410:05 am -
Nonstop1h 55m
Wed 10/285:20 pm -
Nonstop1h 50m
Deal found 9/2![Porter Airlines logo]()
$201
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 September 6, 2026.
Search for one-way flight options from Boston to Toronto. Find affordable one-way fares based on user searches. Data last updated September 6, 2026.
This Air Canada deal was found by Cheapflights users on 9/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am -
Nonstop1h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Air Canada logo]()
$93
This Air Canada deal was found by Cheapflights users on 9/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:45 pm -
Nonstop1h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Air Canada logo]()
$93
This SmartFares deal was found by Cheapflights users on 9/3. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:05 am -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Air Transat logo]()
$94
This SmartFares deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/410:05 am -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Air Transat logo]()
$95
This SmartFares deal was found by Cheapflights users on 9/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:55 pm -
Nonstop1h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Air Transat logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 9/2. 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.
Wed 9/232:20 pm -
1 stop4h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Porter Airlines logo]()
$98
This SmartFares deal was found by Cheapflights users on 9/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:05 am -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Air Transat logo]()
$99
This SmartFares deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:25 pm -
Nonstop1h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Air Transat logo]()
$99
This Booking.com deal was found by Cheapflights users on 9/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:35 pm -
2 stops7h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Air Canada logo]()
$100
This Air Canada deal was found by Cheapflights users on 9/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:50 am -
1 stop4h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Air Canada logo]()
$102
This Air Canada deal was found by Cheapflights users on 9/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:50 am -
1 stop4h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Air Canada logo]()
$102
This Delta deal was found by Cheapflights users on 9/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:00 am -
1 stop7h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$103
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 September 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $198 (Kiwi.com) |
One-way from | $93 (Air Canada) |
Popular in | November |
Cheapest in | July |
Average price | $286 |
Good round-trip deal | $238 or less |
Good one-way deal | $142 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 September 6, 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 - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Fri 10/16
6:00 am-7:56 am
Nonstop1h 56m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$93
BostonToronto
BOS Boston Logan Intl - YTZ Toronto Island
BOSYTZ
Boston Logan Intl
Fri 10/30
7:40 pm-9:43 pm
Nonstop2h 03m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$93
BostonToronto
BOS Boston Logan Intl - YTZ Toronto Island
BOSYTZ
Boston Logan Intl
Thu 10/22
3:35 pm-9:30 pm
1 stop5h 55m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$93
Quickest round-trip
BostonToronto
BOS Boston Logan Intl - YTZ Toronto Island
BOSYTZ
Boston Logan Intl
Fri 10/2
4:55 pm-6:42 pm
Nonstop1h 47m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$95
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Sun 10/4
6:50 pm-11:18 pm
1 stop4h 28m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$102
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Wed 10/28
5:30 am-11:45 am
1 stop6h 15m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$102
BostonToronto
BOS Boston Logan Intl - YTZ Toronto Island
BOSYTZ
Boston Logan Intl
Thu 10/29
3:35 pm-9:36 pm
1 stop6h 01m
Toronto Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$102
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Fri 10/2
6:00 am-1:40 pm
1 stop7h 40m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$103
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Wed 9/30
7:00 pm-11:39 pm
1 stop4h 39m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$103
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Wed 11/18
10:25 am-8:57 pm
2 stops10h 32m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$107
Showing 1-10 of 41 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | 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-YYZ
BOS-YTZ
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boston to Toronto
BOS-YTO
BOS-YYZ
BOS-YTZ
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 April is currently the most expensive (average of $385). 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 September 6, 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 21% 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 September 6, 2026.
The most flights from BOS to YTO are scheduled on a Friday (30 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (15 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 $233 and $387 in October.The cheapest round-trip price found within the last 5 days was $198 on Porter Airlines (Oct 7-Oct 11).
How often are flights from Boston to Toronto delayed?
About 23% of weekly flights between Boston and Toronto have experienced delays in the past year, with the average delay time being 127 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 22% 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 August 29, 2026.
Travelers seeking maximum savings on their Boston to Toronto flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons 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 September 6, 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.
Food
7.6
Overall
8.0
Crew
8.6
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Food
7.6
Overall
8.0
Crew
8.6
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Food
7.6
Overall
8.0
Crew
8.6
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Food
7.6
Overall
8.0
Crew
8.6
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Food
7.6
Overall
8.0
Crew
8.6
Boarding
8.2
Entertainment
6.9
Comfort
8.0
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Food
7.6
Overall
8.0
Crew
8.6
Boarding
8.2
Entertainment
6.9
Comfort
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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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 September 6, 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 September 6, 2026.
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Other flights to Toronto
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Top 6 airlines flying from Boston to Toronto
Discover the top 6 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 September 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$317 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$102 | Average$381 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$118 | Average$307 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$128 | Average$194 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$239 | Average$593 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$316 | Average$452 | FlexibilityNo cancel fee | On-time71% |