$93+ Cheap flights from Boston (BOS) to Pearson Intl (YYZ)
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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
Nov 7 — Nov 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boston to Pearson Intl 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 Pearson Intl are usually found in May or July, booked 73 days in advance, depart on a Thursday or Wednesday and return on a Thursday
Cheap flight deals from Boston to Pearson Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to Pearson IntlExplore the most affordable flight options available from Boston to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
Explore the most affordable flight options available from Boston to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 8, 2026.
This Trip.com deal was found by Cheapflights users on 10/6. 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.
Tue 10/275:25 pm -
Nonstop2h 10m
Thu 10/297:20 am -
Nonstop1h 50m
Deal found 10/6![Porter Airlines logo]()
$217
This Trip.com deal was found by Cheapflights users on 10/3. 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 10/2410:05 am -
Nonstop1h 55m
Tue 10/275:20 pm -
Nonstop1h 50m
Deal found 10/3![Porter Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:50 am -
Nonstop2h 10m
Tue 10/275:20 pm -
Nonstop1h 50m
Deal found 10/5![Porter Airlines logo]()
$221
This Booking.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:45 am -
Nonstop2h 05m
Mon 11/28:55 pm -
Nonstop1h 42m
Deal found 10/7![Air Canada logo]()
$222
This Air Canada deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:45 am -
Nonstop2h 05m
Thu 10/298:55 pm -
Nonstop1h 42m
Deal found 10/8![Air Canada logo]()
$227
This Cheapflightsfares deal was found by Cheapflights users on 10/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:25 pm -
Nonstop2h 10m
Wed 10/287:20 am -
Nonstop1h 50m
Deal found 10/5![Porter Airlines logo]()
$229
This Booking.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:30 am -
1 stop5h 16m
Thu 11/58:55 pm -
Nonstop1h 42m
Deal found 10/7![Air Canada logo]()
$230
This Flightnetwork deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:45 am -
Nonstop2h 05m
Thu 11/268:55 pm -
Nonstop1h 42m
Deal found 10/7![Air Canada logo]()
$234
Best flights from Boston to Pearson IntlDiscover carefully curated flight deals from Boston to Pearson Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
Discover carefully curated flight deals from Boston to Pearson Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 8, 2026.
This Delta deal was found by Cheapflights users on 10/3. 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.
Sat 10/247:00 am -
1 stop9h 12m
Mon 10/267:55 am -
1 stop7h 28m
Deal found 10/3![Delta logo]()
$289
This Porter Airlines deal was found by Cheapflights users on 10/5. 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.
Thu 11/191:15 pm -
2 stops9h 18m
Thu 11/265:20 pm -
Nonstop1h 50m
Deal found 10/5![Porter Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 am -
1 stop5h 25m
Tue 10/272:30 pm -
1 stop3h 58m
Deal found 10/4![Delta logo]()
$366
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop5h 25m
Tue 10/272:30 pm -
1 stop3h 58m
Deal found 10/5![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 10/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/208:00 am -
1 stop8h 15m
Fri 11/2712:15 pm -
1 stop8h 17m
Deal found 10/6![Delta logo]()
$384
This Porter Airlines deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:15 pm -
2 stops9h 18m
Sun 11/153:25 pm -
1 stop6h 21m
Deal found 10/7![Porter Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:05 am -
1 stop5h 20m
Fri 12/42:35 pm -
1 stop4h 55m
Deal found 10/5![Delta logo]()
$384
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:00 pm -
1 stop7h 36m
Mon 10/267:55 am -
1 stop7h 28m
Deal found 10/5![Delta logo]()
$425
This Delta deal was found by Cheapflights users on 10/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:00 am -
1 stop8h 09m
Mon 10/266:00 am -
1 stop7h 29m
Deal found 10/5![Delta logo]()
$425
This Delta deal was found by Cheapflights users on 10/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am -
1 stop7h 40m
Sun 11/86:00 am -
1 stop5h 15m
Deal found 10/6![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:00 am -
1 stop7h 40m
Mon 10/267:55 am -
1 stop8h 35m
Deal found 10/4![Delta logo]()
$467
This KAYAK deal was found by Cheapflights users on 10/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:00 am -
1 stop9h 12m
Thu 11/56:00 am -
1 stop7h 29m
Deal found 10/5![Delta logo]()
$478
Last-minute flights from Boston to Pearson IntlDiscover last-minute flight deals from Boston to Pearson Intl. Data last updated October 8, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Pearson Intl. Data last updated October 8, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 10/3. 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 10/2410:05 am -
Nonstop1h 55m
Tue 10/275:20 pm -
Nonstop1h 50m
Deal found 10/3![Porter Airlines logo]()
$219
This Trip.com deal was found by Cheapflights users on 10/6. 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.
Tue 10/275:25 pm -
Nonstop2h 10m
Thu 10/297:20 am -
Nonstop1h 50m
Deal found 10/6![Porter Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:50 am -
Nonstop2h 10m
Tue 10/275:20 pm -
Nonstop1h 50m
Deal found 10/5![Porter Airlines logo]()
$221
This Cheapflightsfares deal was found by Cheapflights users on 10/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:25 pm -
Nonstop2h 10m
Wed 10/287:20 am -
Nonstop1h 50m
Deal found 10/5![Porter Airlines logo]()
$229
This Booking.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:45 am -
Nonstop2h 05m
Mon 11/28:55 pm -
Nonstop1h 42m
Deal found 10/7![Air Canada logo]()
$222
This Air Canada deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:45 am -
Nonstop2h 05m
Thu 10/298:55 pm -
Nonstop1h 42m
Deal found 10/8![Air Canada logo]()
$227
This Booking.com deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/15:30 am -
1 stop5h 16m
Thu 11/58:55 pm -
Nonstop1h 42m
Deal found 10/7![Air Canada logo]()
$230
This Flightnetwork deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:45 am -
Nonstop2h 05m
Thu 11/268:55 pm -
Nonstop1h 42m
Deal found 10/7![Air Canada logo]()
$234
One-way flights from Boston to Pearson IntlSearch for one-way flight options from Boston to Pearson Intl. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
Search for one-way flight options from Boston to Pearson Intl. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.
This Super.com deal was found by Cheapflights users on 10/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/243:55 pm -
1 stop6h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Porter Airlines logo]()
$93
This Trip.com deal was found by Cheapflights users on 10/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:25 pm -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Porter Airlines logo]()
$95
This Air Canada deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:30 am -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Air Canada logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:25 pm -
Nonstop2h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Porter Airlines logo]()
$99
This Booking.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” 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.
Tue 11/175:30 am -
1 stop5h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Air Canada logo]()
$100
This Mytrip deal was found by Cheapflights users on 10/5. 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.
Mon 10/265:30 am -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Air Canada logo]()
$106
This Cheapflightsfares deal was found by Cheapflights users on 10/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:10 pm -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Porter Airlines logo]()
$108
This United Airlines deal was found by Cheapflights users on 10/4. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:01 pm -
1 stop6h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![United Airlines logo]()
$111
Find flight deals from Boston to Pearson Intl
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Pearson Intl (YYZ). 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 October 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $217 (Trip.com) |
One-way from | $93 (Super.com) |
Popular in | December |
Cheapest in | May |
Average price | $383 |
Good round-trip deal | $336 or less |
Good one-way deal | $174 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Pearson Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 8, 2026.
Use the filters below to find and compare flights from Boston to Toronto Pearson Intl Airport 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
Tue 11/24
6:00 am-1:00 pm
1 stop7h 00m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$116
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Thu 12/3
11:15 am-1:16 pm
Nonstop2h 01m
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
Sat 11/21
12:00 pm-4:15 pm
1 stop4h 15m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$163
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Sun 11/1
2:00 pm-9:17 pm
1 stop7h 17m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$163
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Sun 11/8
7:00 am-4:12 pm
1 stop9h 12m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$163
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Sat 12/26
1:15 pm-7:05 pm
1 stop5h 50m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$171
Quickest round-trip
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Thu 10/15
10:05 am-12:00 pm
Nonstop1h 55m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$183
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Thu 10/29
6:00 am-11:25 am
1 stop5h 25m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$197
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Fri 12/18
9:00 am-6:00 pm
1 stop9h 00m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$198
BostonToronto
BOS Boston Logan Intl - YYZ Toronto Pearson Intl
BOSYYZ
Boston Logan Intl
Thu 10/22
6:00 am-11:25 am
1 stop5h 25m
Toronto Pearson Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$206
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Boston to Pearson Intl
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 Pearson Intl in October.
| 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*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Toronto Pearson Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Toronto Pearson Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Toronto Pearson Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Toronto Pearson Intl Airport 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 Pearson Intl Airport 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 Pearson Intl
Have a flexible travel schedule? Discover the best time to fly to Pearson Intl from Boston with our price prediction graph.
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 Pearson Intl Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Boston to Toronto Pearson Intl Airport?
The price you pay for your flight from Boston to Toronto Pearson Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 72 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Boston to Toronto Pearson Intl Airport?
Currently, May is the cheapest month in which you can book a flight from Boston to Toronto Pearson Intl Airport (average of $291). Flying from Boston to Toronto Pearson Intl Airport in December is currently the most expensive (average of $449). 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 YYZ?
Find hourly flight availability from Boston to Pearson Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 8, 2026.
One of the essential ways to save on airfare from Boston to Toronto Pearson Intl Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 34% on airfare.
What is the cheapest day to fly from Boston to Toronto Pearson Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Boston to Pearson Intl. Price data was last updated on October 3, 2026.
Travelers seeking maximum savings on their Boston to Toronto Pearson Intl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 134 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?
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 Boston to Toronto flights?
Over the last year, Air Canada have had the lowest number of delays on this route, with just 22% of flights being delayed.
The best insider tips for Boston to Toronto Pearson Intl Airport 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 Pearson Intl Airport trip
Our travel experts
Reviews of airlines servicing Pearson Intl
Get insights into the airlines that provide service to Pearson Intl. 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 Pearson Intl. Reviews last updated October 8, 2026.
Read through reviews of airlines operating flights from Boston to Toronto Pearson Intl Airport, such as Porter Airlines,Delta, andAir Transat. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.2
Overall
8.0
Food
7.6
Entertainment
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Overall
8.0
Food
7.6
Entertainment
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Overall
8.0
Food
7.6
Entertainment
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Overall
8.0
Food
7.6
Entertainment
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Overall
8.0
Food
7.6
Entertainment
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Boarding
8.2
Overall
8.0
Food
7.6
Entertainment
7.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Related info for your journey
Find useful and relevant information for your journey from Boston to Pearson Intl. 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 Toronto Pearson Intl Airport?
Book flights to Toronto Pearson Intl Airport if you plan to visit one of these locationsMarkham
Brampton
Vaughan
Brantford
Collingwood
Kitchener
Burlington
Pickering
Oakville
Owen Sound
Whitby
Cambridge
Ajax
Orillia
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Boston
Pearson Intl flight routes
Popular flights
Alternative routes for Boston to Pearson Intl
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Pearson Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boston to Pearson Intl by cabin class
Find flights from Boston to Pearson Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boston and Pearson Intl flights
Browse other Boston and Pearson Intl flight options. Last updated on October 8, 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 October 8, 2026.
Other flights to Pearson Intl
Explore flights to Pearson Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Boston to Pearson Intl
Discover the top 6 airlines that operate flights from Boston to Pearson Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$128 | Average$278 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$129 | Average$300 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$177 | Average$379 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$219 | Average$379 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$288 | Average$631 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$306 | Average$402 | FlexibilityNo cancel fee | On-time71% |