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Cheap flights from Boston to Toronto from C$ 125

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Toronto departing on 25/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Porter Airlines Logo
7:00 a.m. - 8:55 a.m.BOS-YTZ
1h 55mdirect
Porter Airlines Logo
11:05 a.m. - 12:40 p.m.YTZ-BOS
1h 35mdirect
C$ 314Porter Airlines
Find Deal
Mon, 22 Dec - Fri, 26 Dec
Multiple Airlines Logo
7:00 a.m. - 11:20 p.m.BOS-YYZ
16h 20m2 stops
Multiple Airlines Logo
12:15 p.m. - 11:57 p.m.YYZ-BOS
35h 42m3 stops
C$ 316Multiple Airlines
Find Deal
Thu, 5 Feb - Sun, 8 Feb
Air Canada Logo
6:55 p.m. - 8:58 p.m.BOS-YYZ
2h 03mdirect
Air Canada Logo
9:00 a.m. - 2:52 p.m.YYZ-BOS
5h 52m1 stop
C$ 317Air Canada
Find Deal
Fri, 9 Jan - Sun, 11 Jan
Porter Airlines Logo
10:20 a.m. - 12:15 p.m.BOS-YTZ
1h 55mdirect
Porter Airlines Logo
11:05 a.m. - 12:40 p.m.YTZ-BOS
1h 35mdirect
C$ 317Porter Airlines
Find Deal
Thu, 11 Dec - Fri, 12 Dec
Porter Airlines Logo
7:00 a.m. - 8:55 a.m.BOS-YTZ
1h 55mdirect
Porter Airlines Logo
8:00 a.m. - 9:35 a.m.YTZ-BOS
1h 35mdirect
C$ 318Porter Airlines
Find Deal
Thu, 11 Dec - Mon, 15 Dec
Multiple Airlines Logo
3:30 p.m. - 8:10 p.m.BOS-YYZ
4h 40m1 stop
Multiple Airlines Logo
8:20 a.m. - 10:02 a.m.YYZ-BOS
1h 42mdirect
C$ 318Multiple Airlines
Find Deal
Thu, 8 Jan - Sun, 11 Jan
Porter Airlines Logo
7:00 p.m. - 8:55 p.m.BOS-YTZ
1h 55mdirect
Porter Airlines Logo
8:30 p.m. - 10:05 p.m.YTZ-BOS
1h 35mdirect
C$ 320Porter Airlines
Find Deal
Mon, 8 Dec - Thu, 11 Dec
Multiple Airlines Logo
5:28 a.m. - 2:40 p.m.BOS-YYZ
9h 12m1 stop
Multiple Airlines Logo
12:15 p.m. - 5:08 p.m.YYZ-BOS
28h 53m3 stops
C$ 321Multiple Airlines
Find Deal
Fri, 9 Jan - Sun, 11 Jan
Porter Airlines Logo
3:40 p.m. - 10:03 p.m.BOS-YTZ
6h 23m1 stop
Porter Airlines Logo
11:05 a.m. - 12:40 p.m.YTZ-BOS
1h 35mdirect
C$ 321Porter Airlines
Find Deal
Thu, 11 Dec - Mon, 15 Dec
Air Canada Logo
3:40 p.m. - 10:34 p.m.BOS-YYZ
6h 54m1 stop
Air Canada Logo
10:00 a.m. - 2:52 p.m.YYZ-BOS
4h 52m1 stop
C$ 324Air Canada
Find Deal
Fri, 9 Jan - Mon, 12 Jan

Air Canada flights from Boston to Toronto

Our best Air Canada deals on Boston to Toronto flight tickets
Air Canada
9 Jan
BOS6:55 p.m.Boston Logan Intl
2h 03m
YYZ8:58 p.m.Toronto Pearson Intl
11 Jan
YYZ9:00 a.m.Toronto Pearson Intl
5h 52m
1 stop
BOS2:52 p.m.Boston Logan Intl
C$ 317
Find similar
Air Canada
9 Jan
BOS3:40 p.m.Boston Logan Intl
6h 54m
1 stop
YYZ10:34 p.m.Toronto Pearson Intl
11 Jan
YYZ1:00 p.m.Toronto Pearson Intl
6h 42m
1 stop
BOS7:42 p.m.Boston Logan Intl
C$ 324
Find similar
Air Canada
30 Dec
BOS6:15 a.m.Boston Logan Intl
2h 02m
YYZ8:17 a.m.Toronto Pearson Intl
6 Jan
YYZ2:15 p.m.Toronto Pearson Intl
1h 42m
BOS3:57 p.m.Boston Logan Intl
C$ 351
Find similar

Porter Airlines flights from Boston to Toronto

Our best Porter Airlines deals on Boston to Toronto flight tickets
Porter Airlines
22 Dec
BOS7:00 a.m.Boston Logan Intl
1h 55m
YTZ8:55 a.m.Toronto Island
26 Dec
YTZ11:05 a.m.Toronto Island
1h 35m
BOS12:40 p.m.Boston Logan Intl
C$ 314
Find similar
Porter Airlines
26 Dec
BOS7:00 a.m.Boston Logan Intl
1h 55m
YTZ8:55 a.m.Toronto Island
29 Dec
YTZ8:30 p.m.Toronto Island
1h 35m
BOS10:05 p.m.Boston Logan Intl
C$ 317
Find similar
Porter Airlines
11 Dec
BOS7:00 a.m.Boston Logan Intl
1h 55m
YTZ8:55 a.m.Toronto Island
15 Dec
YTZ8:00 a.m.Toronto Island
1h 35m
BOS9:35 a.m.Boston Logan Intl
C$ 318
Find similar

momondo 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, momondo users made 96,600 searches. Data last updated 17 November 2025.
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

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 22/12

7:00 a.m.-8:55 a.m.

Nonstop1h 55m

Toronto Island

Fri 26/12

11:05 a.m.-12:40 p.m.

Nonstop1h 35m

C$ 314

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 5/2

7:00 a.m.-11:20 p.m.

2 stops16h 20m

Toronto Pearson Intl

Sun 8/2

12:15 p.m.-11:57 p.m.

3 stops35h 42m

C$ 316

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 9/1

6:55 p.m.-8:58 p.m.

Nonstop2h 03m

Toronto Pearson Intl

Sun 11/1

9:00 a.m.-2:52 p.m.

1 stop5h 52m

C$ 317

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 11/12

10:20 a.m.-12:15 p.m.

Nonstop1h 55m

Toronto Island

Fri 12/12

11:05 a.m.-12:40 p.m.

Nonstop1h 35m

C$ 317

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 11/12

7:00 a.m.-8:55 a.m.

Nonstop1h 55m

Toronto Island

Mon 15/12

8:00 a.m.-9:35 a.m.

Nonstop1h 35m

C$ 318

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 8/1

3:30 p.m.-8:10 p.m.

1 stop4h 40m

Toronto Pearson Intl

Sun 11/1

8:20 a.m.-10:02 a.m.

Nonstop1h 42m

C$ 318

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 8/12

7:00 p.m.-8:55 p.m.

Nonstop1h 55m

Toronto Island

Thu 11/12

8:30 p.m.-10:05 p.m.

Nonstop1h 35m

C$ 320

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 9/1

5:28 a.m.-2:40 p.m.

1 stop9h 12m

Toronto Pearson Intl

Sun 11/1

12:15 p.m.-5:08 p.m.

3 stops28h 53m

C$ 321

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 11/12

3:40 p.m.-10:03 p.m.

1 stop6h 23m

Toronto Island

Mon 15/12

11:05 a.m.-12:40 p.m.

Nonstop1h 35m

C$ 321

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Fri 9/1

3:40 p.m.-10:34 p.m.

1 stop6h 54m

Toronto Pearson Intl

Mon 12/1

10:00 a.m.-2:52 p.m.

1 stop4h 52m

C$ 324

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Toronto from

How to get the cheapest flight ticket from Boston to Toronto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Boston and Toronto?

What is the cheapest month to fly to Toronto?

The month of October is, on average, the cheapest month to fly to Toronto from Boston, with most prices found around C$ 383. The month of September is another great option to travel to Toronto, with average flight prices from Boston averaging around C$ 398.

What is the cheapest day to depart on your flight to Toronto?

According to our data, Thursday is the cheapest day to fly to Toronto from Boston. The lowest ticket price found for a Thursday departure recently was C$ 433. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Boston to Toronto on a Wednesday will generally be more expensive and average around C$ 538. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Toronto?

Flying to Toronto from Boston in the morning is the least expensive time of day to depart. momondo users have found prices as low as C$ 457 when looking at flights departing in the morning. Try not to purchase tickets in the afternoon because they tend to be around C$ 549. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Boston Logan Intl to Toronto flight route?

Fly from Boston Logan Intl to Toronto Pearson Intl for the best Boston Logan Intl - Toronto flight prices

How far in advance should I book a flight to Toronto?

You are more likely to see cheaper flights to Toronto from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto for around C$ 529 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto from Boston for as low as C$ 388 on momondo.

What cabin class options are available on Boston Logan Intl to Toronto flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to Toronto flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Boston to Toronto flights?

You could potentially save up to 28% on your flight if you consider stops on a Boston to Toronto flight.

How have Boston to Toronto flight prices changed over time?

As of November 2025, prices for Boston to Toronto flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Toronto

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Toronto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Toronto (BOS to YTO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Toronto

Best price found

C$ 268

Fastest flight time

1h 53m

Direct flights

Every day

Airports in Toronto

2 airports
The best one-way flight to Toronto from Boston in the past 72 hours is C$ 268. The best round-trip flight deal from Boston to Toronto found on momondo in the last 72 hours is C$ 418.
The fastest flight from Boston to Toronto takes 1h 53m
Direct flights go from Boston to Toronto every day.
There are 2 airports near Toronto: Toronto Pearson Intl (YYZ), Toronto Island (YTZ)
Search flight deals

  • How far is Boston Logan Intl to Toronto by plane?

    The distance between Boston Logan Intl and Toronto is about 691.1 km. Typically, this will take 1h 55m by plane in normal conditions.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Toronto?

    Prices for flights from Boston Logan Intl Airport to Toronto are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Toronto?

  • How old do you have to be to fly from Boston Logan Intl Airport to Toronto?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Toronto.

  • What documentation or ID do you need to fly to Toronto?

    The travel and health documents you'll need for your trip to Toronto may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Toronto. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Boston to Toronto?

  • What is the most popular airline from Boston to Toronto?

Best airlines flying from Boston to Toronto

Compare and see reviews for airlines that fly from Boston to Toronto with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 274Free CancellationRating
7.1
10,457 reviews
Search Air Canada flights
Porter AirlinesPriceFrom C$ 308Free CancellationRating
8.0
392 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 349Free CancellationRating
7.4
9,014 reviews
Search United Airlines flights

  • Porter Airlines Flights From Boston to Toronto

    Across 27 Porter Airlines flights from Boston to Toronto this week, the average price was C$ 435, with the best Porter Airlines deals starting from C$ 308 round-trip. 392 users have rated Porter Airlines on momondo, with an average score of 8.0/10.

  • United Airlines Flights From Boston to Toronto

    Across 9,014 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Boston to Toronto about 33 times each week, with ticket deals ranging from C$ 349 to C$ 564. Price data is based on momondo searches in the last 72 hours.

Travelling to a place near Toronto?

Book flights to Toronto if you plan to visit one of these locations
Apsley

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Toronto?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Toronto for you.

Can I find flights from Boston to Toronto with flexible booking policies on momondo?

momondo does allow users to show only those flights to Toronto from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Toronto?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Toronto.

I’m not ready to book a flight from Boston to Toronto right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Toronto, momondo offers a useful price alert feature which will track prices for flights to Toronto from Boston and alert you when they change.

An easier way to manage your Toronto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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Find better results for your trip to Canada

Fly into one of these airports located in Toronto

Airports listed have a maximum distance of 83.6 km from Toronto
Toronto Region of Waterloo Intl Airport
Toronto Island Airport
Toronto Pearson Intl Airport