Boston to Toronto flights
Round trip · Economy · Prices per person in USD
Prices updated
Prices are low right now
$233 is $44 (16%) below the usual $277 for Boston → Toronto.
Buy now or wait? We're still learning this route. We have 1 day of prices so far and need about a week to say whether to book or wait.
Not ready to book? Get an email when Boston → Toronto drops below your price.Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| September 2026 | No fares found yet |
| October 2026 | $233 (cheapest month) |
| November 2026 | $274 |
| December 2026 | $367 |
Cheapest dates in the next 4 months
Round trip, per person-
Oct 23 – 25 2 nights · leave Fri$233 −16% vs usual$233 −16% vs usual Book
Porter Airlines Canada Nonstop · 1h 55m -
Nov 5 – 7 2 nights · leave Thu$274$274 Book
Porter Airlines Canada 1 stop · 2h 10m
-
Nov 21 – 27 6 nights · leave Sat$280$280 Book
Porter Airlines Canada 1 stop · 1h 54m
-
Dec 28 – Jan 6, 2027 9 nights · leave Mon$367 +32% vs usual$367 +32% vs usual Book
Porter Airlines Nonstop · 2h 10m -
Nov 25 – 29 4 nights · leave Wed$392 +42% vs usual$392 +42% vs usual Book
Porter Airlines Canada 1 stop · 1h 54m
-
Oct 9 – 12 3 nights · leave Fri$483 +74% vs usual$483 +74% vs usual Book
Porter Airlines Canada 1 stop · 2h 28m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Toronto
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Airport transfer to Toronto
Fixed prices from YYZ on KiwitaxiTo see transfer prices here, turn on partner content in .
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Plan the rest of your trip
Toronto · Oct 23 – 25- Car rental in Canada Economybookings · compare rental companies (opens Economybookings in a new tab)
Travel insurance · EKTA Airport transfer · Kiwitaxi
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Good to know
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Boston to Toronto: questions
How much is a flight from Boston to Toronto?
The cheapest round trip we have found right now is $233, leaving October 23 and returning October 25. The usual price on this route is about $277, so this fare is 16% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from Boston to Toronto?
October 2026, with round trips from $233. The most expensive month in our data is December (from $367). Based on the 3 months ahead we have prices for.
About this route
We track round-trip economy fares from Boston (United States) to Toronto (Canada) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $233, departing October 23 and returning October 25 on a nonstop flight, about 16% below the usual $277. Right now we're following 6 upcoming date combinations on this route. The cheapest month to fly in our data is October, from $233. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.