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Cheap flights from Boston to Toronto from C$ 145

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 10/10. 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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Find the cheapest flights from Boston to Toronto (BOS-YTO)

Cheap round-trip flights

Logo
3:15 p.m. - 9:34 p.m.BOS-YTZ
6h 19m1 stop
Logo
3:10 p.m. - 4:51 p.m.YTZ-BOS
1h 41mdirect
C$ 310
Find Deal
Sat, 20 Sep - Mon, 22 Sep
Air Canada Logo
10:20 a.m. - 4:45 p.m.BOS-YTZ
6h 25m1 stop
Air Canada Logo
3:25 p.m. - 9:25 p.m.YTZ-BOS
6h 00m1 stop
C$ 311Air Canada
Find Deal
Tue, 23 Sep - Tue, 30 Sep
Porter Airlines Logo
3:30 p.m. - 7:03 p.m.BOS-YTZ
3h 33m1 stop
Porter Airlines Logo
1:00 p.m. - 2:41 p.m.YTZ-BOS
1h 41mdirect
C$ 312Porter Airlines
Find Deal
Tue, 23 Sep - Tue, 30 Sep
Air Canada Logo
6:00 a.m. - 12:39 p.m.BOS-YYZ
6h 39m1 stop
Air Canada Logo
8:15 a.m. - 9:55 a.m.YYZ-BOS
1h 40mdirect
C$ 312Air Canada
Find Deal
Sat, 11 Oct - Mon, 13 Oct
Air Canada Logo
6:00 a.m. - 7:56 a.m.BOS-YYZ
1h 56mdirect
Air Canada Logo
8:15 a.m. - 9:55 a.m.YYZ-BOS
1h 40mdirect
C$ 314Air Canada
Find Deal
Thu, 18 Sep - Sun, 21 Sep
Porter Airlines Logo
3:30 p.m. - 7:03 p.m.BOS-YTZ
3h 33m1 stop
Porter Airlines Logo
9:50 a.m. - 11:31 a.m.YTZ-BOS
1h 41mdirect
C$ 315Porter Airlines
Find Deal
Fri, 26 Sep - Sun, 28 Sep
United Airlines Logo
5:55 a.m. - 10:04 a.m.BOS-YYZ
4h 09m1 stop
United Airlines Logo
10:45 a.m. - 3:13 p.m.YYZ-BOS
4h 28m1 stop
C$ 359United Airlines
Find Deal
Wed, 8 Oct - Wed, 15 Oct
American Airlines Logo
8:00 a.m. - 12:04 p.m.BOS-YYZ
4h 04m1 stop
American Airlines Logo
7:35 a.m. - 5:23 p.m.YYZ-BOS
9h 48m1 stop
C$ 364American Airlines
Find Deal
Thu, 11 Sep - Sat, 13 Sep
United Airlines Logo
7:12 p.m. - 10:04 a.m.BOS-YYZ
14h 52m1 stop
United Airlines Logo
1:00 p.m. - 9:28 p.m.YYZ-BOS
8h 28m1 stop
C$ 369United Airlines
Find Deal
Tue, 23 Sep - Wed, 24 Sep
Delta Logo
4:00 p.m. - 11:47 p.m.BOS-YYZ
7h 47m1 stop
Delta Logo
6:03 a.m. - 10:53 a.m.YYZ-BOS
4h 50m1 stop
C$ 387Delta
Find Deal
Tue, 9 Sep - Thu, 11 Sep

Air Canada flights from Boston to Toronto

Our best Air Canada deals on Boston to Toronto flight tickets
Air Canada
23 Sep
BOS10:20 a.m.Boston Logan Intl
6h 25m
1 stop
YTZ4:45 p.m.Toronto Island
30 Sep
YTZ3:25 p.m.Toronto Island
6h 00m
1 stop
BOS9:25 p.m.Boston Logan Intl
C$ 311
Find similar
Air Canada
11 Oct
BOS6:00 a.m.Boston Logan Intl
6h 39m
1 stop
YYZ12:39 p.m.Toronto Pearson Intl
13 Oct
YYZ8:15 a.m.Toronto Pearson Intl
1h 40m
BOS9:55 a.m.Boston Logan Intl
C$ 312
Find similar
Air Canada
18 Sep
BOS6:00 a.m.Boston Logan Intl
1h 56m
YYZ7:56 a.m.Toronto Pearson Intl
21 Sep
YYZ8:15 a.m.Toronto Pearson Intl
1h 40m
BOS9:55 a.m.Boston Logan Intl
C$ 314
Find similar

American Airlines flights from Boston to Toronto

Our best American Airlines deals on Boston to Toronto flight tickets
American Airlines
11 Sep
BOS8:00 a.m.Boston Logan Intl
4h 04m
1 stop
YYZ12:04 p.m.Toronto Pearson Intl
13 Sep
YYZ7:35 a.m.Toronto Pearson Intl
9h 48m
1 stop
BOS5:23 p.m.Boston Logan Intl
C$ 364
Find similar
American Airlines
3 Sep
BOS12:30 p.m.Boston Logan Intl
6h 00m
1 stop
YYZ6:30 p.m.Toronto Pearson Intl
7 Sep
YYZ7:15 a.m.Toronto Pearson Intl
5h 01m
1 stop
BOS12:16 p.m.Boston Logan Intl
C$ 460
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 25 August 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

Sat 20/9

3:15 p.m.-9:34 p.m.

1 stop6h 19m

Toronto Island

Mon 22/9

3:10 p.m.-4:51 p.m.

Nonstop1h 41m

C$ 310

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 23/9

10:20 a.m.-4:45 p.m.

1 stop6h 25m

Toronto Island

Tue 30/9

3:25 p.m.-9:25 p.m.

1 stop6h 00m

C$ 311

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 23/9

3:30 p.m.-7:03 p.m.

1 stop3h 33m

Toronto Island

Tue 30/9

1:00 p.m.-2:41 p.m.

Nonstop1h 41m

C$ 312

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Sat 11/10

6:00 a.m.-12:39 p.m.

1 stop6h 39m

Toronto Pearson Intl

Mon 13/10

8:15 a.m.-9:55 a.m.

Nonstop1h 40m

C$ 312

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 18/9

6:00 a.m.-7:56 a.m.

Nonstop1h 56m

Toronto Pearson Intl

Sun 21/9

8:15 a.m.-9:55 a.m.

Nonstop1h 40m

C$ 314

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 26/9

3:30 p.m.-7:03 p.m.

1 stop3h 33m

Toronto Island

Sun 28/9

9:50 a.m.-11:31 a.m.

Nonstop1h 41m

C$ 315

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Wed 8/10

5:55 a.m.-10:04 a.m.

1 stop4h 09m

Toronto Pearson Intl

Wed 15/10

10:45 a.m.-3:13 p.m.

1 stop4h 28m

C$ 359

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 11/9

8:00 a.m.-12:04 p.m.

1 stop4h 04m

Toronto Pearson Intl

Sat 13/9

7:35 a.m.-5:23 p.m.

1 stop9h 48m

C$ 364

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 23/9

7:12 p.m.-10:04 a.m.

1 stop14h 52m

Toronto Pearson Intl

Wed 24/9

1:00 p.m.-9:28 p.m.

1 stop8h 28m

C$ 369

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Tue 9/9

4:00 p.m.-11:47 p.m.

1 stop7h 47m

Toronto Pearson Intl

Thu 11/9

6:03 a.m.-10:53 a.m.

1 stop4h 50m

C$ 387

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 cheapest month to fly to Toronto?

The month of March is, on average, the cheapest month to fly to Toronto from Boston, with most prices found around C$ 394. The month of July is another great option to travel to Toronto, with average flight prices from Boston averaging around C$ 395.

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$ 406. 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 Friday will generally be more expensive and average around C$ 496. 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$ 461 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around C$ 536. 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 Island 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$ 519 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$ 359 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.

How have Boston to Toronto flight prices changed over time?

As of August 2025, prices for Boston to Toronto flights are approximately 9% 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$ 182

Fastest flight time

1h 48m

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$ 182. The best round-trip flight deal from Boston to Toronto found on momondo in the last 72 hours is C$ 336.
The fastest flight from Boston to Toronto takes 1h 48m
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 48m 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$ 270Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Porter AirlinesPriceFrom C$ 294Free CancellationRating
7.9
344 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 344Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights

  • Porter Airlines Flights From Boston to Toronto

    Across 25 Porter Airlines flights from Boston to Toronto this week, the average price was C$ 312, with the best Porter Airlines deals starting from C$ 213 round-trip. 344 users have rated Porter Airlines on momondo, with an average score of 7.9/10.

  • United Airlines Flights From Boston to Toronto

    Across 8,940 United Airlines reviews on momondo, the average score is 7.4/10. United Airlines flies from Boston to Toronto about 29 times each week, with ticket deals ranging from C$ 249 to C$ 385. 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.
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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