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Cheap flights from Boston to Toronto from C$ 133

BOS — YTO
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to Toronto are usually found in July or January, booked 62 days in advance, depart on a Sunday or Saturday and return on a Thursday

Cheap flight deals from Boston to Toronto

Enter your travel dates to find the best prices.

Cheapest flights from Boston to Toronto

Fri 20/116:35 p.m. -
1 stop4h 21m
Fri 27/117:10 a.m. -
2 stops7h 43m
Deal found 27/10C$ 287
Tue 24/119:50 a.m. -
Nonstop2h 10m
Sat 5/125:20 p.m. -
Nonstop1h 50m
Deal found 25/10C$ 291
Thu 19/119:50 a.m. -
Nonstop2h 10m
Sat 21/115:20 p.m. -
Nonstop1h 50m
Deal found 25/10C$ 292
Thu 19/119:50 a.m. -
Nonstop2h 10m
Sun 22/117:20 a.m. -
Nonstop1h 50m
Deal found 25/10C$ 296
Tue 24/119:50 a.m. -
Nonstop2h 10m
Mon 7/127:20 a.m. -
Nonstop1h 50m
Deal found 25/10C$ 299
Mon 16/119:50 a.m. -
Nonstop2h 10m
Wed 18/115:20 p.m. -
Nonstop1h 50m
Deal found 25/10C$ 304
Mon 23/115:25 p.m. -
Nonstop2h 10m
Sat 5/125:20 p.m. -
Nonstop1h 50m
Deal found 25/10C$ 305
Thu 19/119:50 a.m. -
Nonstop2h 10m
Mon 23/117:20 a.m. -
Nonstop1h 50m
Deal found 25/10C$ 306
Thu 19/118:00 a.m. -
Nonstop1h 54m
Sun 22/1110:35 a.m. -
1 stop6h 08m
Deal found 25/10C$ 306
Mon 23/119:50 a.m. -
Nonstop2h 10m
Thu 3/127:20 a.m. -
Nonstop1h 50m
Deal found 25/10C$ 308
Tue 24/117:50 p.m. -
Nonstop1h 54m
Thu 3/122:20 p.m. -
Nonstop1h 34m
Deal found 25/10C$ 308
Tue 24/119:50 a.m. -
Nonstop2h 10m
Thu 26/117:20 a.m. -
Nonstop1h 50m
Deal found 26/10C$ 310

Find flight deals from Boston to Toronto

Round-trip from

C$ 287

One-way from

C$ 133

Popular in

November

Cheapest in

July

Average price

C$ 491

Good round-trip deal

C$ 268 or less

Good one-way deal

C$ 160 or less
Air Canada
  • Air Canada
  • 20/11-27/11
  • 3 total stops
  • 12h 04m total
  • Boston to Toronto
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Porter Airlines
  • Porter Airlines
  • 16/11-31/12
  • 1 total stop
  • 5h 42m total
  • Boston to Toronto
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 56 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 14 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Boston Logan Intl to Toronto (YTO).
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Price to beat on a one-way flight from Boston Logan Intl to Toronto (YTO).
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Cheapflights Fare Finder

 
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

Price

Cheapest round-trip
Quickest round-trip

BostonToronto

BOS Boston Logan Intl - YTZ Toronto Island

BOSYTZ

Boston Logan Intl

Wed 18/11

8:00 a.m.-9:54 a.m.

Nonstop1h 54m

Toronto Island

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 155

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Fri 27/11

7:00 a.m.-1:24 p.m.

1 stop6h 24m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 171

BostonToronto

BOS Boston Logan Intl - YTZ Toronto Island

BOSYTZ

Boston Logan Intl

Thu 19/11

8:00 a.m.-9:54 a.m.

Nonstop1h 54m

Toronto Island

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 171

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Thu 19/11

6:05 a.m.-11:19 a.m.

1 stop5h 14m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 171

BostonToronto

BOS Boston Logan Intl - YTZ Toronto Island

BOSYTZ

Boston Logan Intl

Tue 1/12

7:50 p.m.-9:45 p.m.

Nonstop1h 55m

Toronto Island

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 171

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Thu 12/11

3:01 p.m.-9:15 p.m.

1 stop6h 14m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 206

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Mon 16/11

3:01 p.m.-9:15 p.m.

1 stop6h 14m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 206

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Thu 19/11

6:00 a.m.-10:19 a.m.

1 stop4h 19m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 211

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Fri 18/12

6:00 a.m.-7:59 p.m.

1 stop13h 59m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 211

BostonToronto

BOS Boston Logan Intl - YYZ Toronto Pearson Intl

BOSYYZ

Boston Logan Intl

Wed 18/11

10:00 a.m.-5:54 p.m.

1 stop7h 54m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 211

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Showing 1-10 of 42 resultsSorted by cheapest first
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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.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Boston to Toronto

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 C$ 401). Flying from Boston to Toronto in November is currently the most expensive (average of C$ 573). 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?

One of the essential ways to save on airfare from Boston to Toronto is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 46% on airfare.

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 C$ 413 and C$ 779 in November.
The cheapest round-trip price found within the last 5 days was C$ 287 on Air Canada (20 Nov-27 Nov).

How often are flights from Boston to Toronto delayed?

About 24% of weekly flights between Boston and Toronto have experienced delays in the past year, with the average delay time being 126 minutes.

What is the most punctual flight time for Boston to Toronto flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Boston to Toronto flights?

Over the past year, Porter Airlines has had the lowest number of delays on this route, with just 23% of flights being delayed.

How far ahead should I book a flight from Boston to Toronto?

To ensure you get the cheapest price possible for a flight from Boston to Toronto, you should look to book at least 61 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 Boston to Toronto?

Travelers seeking maximum savings on their Boston to Toronto flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Toronto

Get a feel of what it's like to fly with Porter Airlines and Air Canada from Boston to Toronto by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
467 reviews
Check prices

Overall

8.0

Comfort

8.0

Entertainment

6.9

Food

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
467 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Overall

8.0

Comfort

8.0

Entertainment

6.9

Food

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,833 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Overall

8.0

Comfort

8.0

Entertainment

6.9

Food

7.6

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

  • What airport do you fly from for flights from Boston to Toronto?

    Most people fly from Boston Logan Intl (BOS) if they book a flight from Boston to Toronto. On average, Logan Intl has 12 outbound flights to Toronto per day from 2 airlines. Boston Logan Intl is conveniently located just 4.2 km from Boston’s city centre.

  • How long is the flight from Boston to Toronto?

    Airlines like Porter Airlines and Delta fly from Boston to Toronto in about 1h 54m. The time it takes to get you to your destination can typically vary by up to 4h 25m. There are 695 km between Boston and Toronto. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Boston to Toronto round-trip?

    Air Canada, at C$ 173, was found to be the cheapest airline from Boston to Toronto. An alternate airline flying to your destination would be Porter Airlines. These flights start at 62% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Boston to Toronto one-way?

    C$ 125 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and Air Transat, with prices starting from C$ 129 and C$ 175, respectively.

  • What are the most popular routes from Boston to Toronto?

    When deciding which route to take from Boston to Toronto consider Boston Logan Intl - Toronto Island, Boston Logan Intl - Toronto Pearson Intl or Boston Logan Intl - Hamilton as they are the most popular.

  • What are the most reliable airlines from Boston to Toronto?

    Before booking your flight to Toronto from Boston, check out the most reliable airlines to get you to your destination on time: ITA Airways (72%), Brussels Airlines (71%), United Airlines( 57%).

  • What are the cheapest flights from Boston to Toronto?

    While on average a flight from Boston to Toronto is generally C$ 415, our data shows the cheapest flight currently is C$ 140. When looking at the most popular route, (Boston Logan Intl - Toronto Island), you can expect to pay C$ 315 for that flight.

  • Can I find deals for flights from Boston to Toronto that include hotel bookings?

    Yes. In addition to deals on Boston to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Toronto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Toronto.

  • Can I find deals for business class flights from Boston to Toronto?

    Yes. Cheapflights offers flight deals from Boston to Toronto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 C$ 401). Flying from Boston to Toronto in November is currently the most expensive (average of C$ 573). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Boston to Toronto

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 173AverageC$ 522FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 276AverageC$ 403FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

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How does Cheapflights help users find flights from Boston to Toronto?

Cheapflights helps you search for flights from Boston to Toronto via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Boston to Toronto?

Millions of users choose and trust Cheapflights to book the best flight deals from Boston to Toronto for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Boston to Toronto with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Toronto, users can toggle the no change fees filter when performing a flight search.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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