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Cheap flights from Boston to Toronto from C$ 140

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 20/10. 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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Cheap round-trip flights

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$ 290Air Canada
Find Deal
Sun, 12 Oct - Sun, 19 Oct
Porter Airlines Logo
6:55 p.m. - 8:54 p.m.BOS-YTZ
1h 59mdirect
Porter Airlines Logo
11:05 a.m. - 12:40 p.m.YTZ-BOS
1h 35mdirect
C$ 290Porter Airlines
Find Deal
Thu, 4 Dec - Mon, 8 Dec
Porter Airlines Logo
1:25 p.m. - 3:24 p.m.BOS-YTZ
1h 59mdirect
Porter Airlines Logo
8:00 a.m. - 9:35 a.m.YTZ-BOS
1h 35mdirect
C$ 291Porter Airlines
Find Deal
Thu, 4 Dec - Sun, 7 Dec
Porter Airlines Logo
8:45 a.m. - 10:34 a.m.BOS-YTZ
1h 49mdirect
Porter Airlines Logo
9:50 a.m. - 11:31 a.m.YTZ-BOS
1h 41mdirect
C$ 294Porter Airlines
Find Deal
Thu, 16 Oct - Sun, 19 Oct
Air Canada Logo
6:00 a.m. - 11:45 a.m.BOS-YTZ
5h 45m1 stop
Air Canada Logo
5:25 p.m. - 9:25 p.m.YTZ-BOS
4h 00m1 stop
C$ 296Air Canada
Find Deal
Thu, 9 Oct - Mon, 20 Oct
Air Canada Logo
6:40 p.m. - 12:04 a.m.BOS-YYZ
5h 24m1 stop
Air Canada Logo
2:15 p.m. - 3:57 p.m.YYZ-BOS
1h 42mdirect
C$ 297Air Canada
Find Deal
Mon, 27 Oct - Fri, 31 Oct
Porter Airlines Logo
7:15 p.m. - 9:04 p.m.BOS-YTZ
1h 49mdirect
Porter Airlines Logo
8:20 p.m. - 10:01 p.m.YTZ-BOS
1h 41mdirect
C$ 297Porter Airlines
Find Deal
Thu, 23 Oct - Fri, 24 Oct
United Airlines Logo
6:00 a.m. - 11:44 a.m.BOS-YYZ
5h 44m1 stop
United Airlines Logo
7:30 a.m. - 1:25 p.m.YYZ-BOS
5h 55m1 stop
C$ 387United Airlines
Find Deal
Thu, 9 Oct - Sun, 12 Oct
WestJet Logo
6:30 p.m. - 12:40 a.m.BOS-YHM
30h 10m1 stop
WestJet Logo
6:00 a.m. - 5:40 p.m.YHM-BOS
11h 40m1 stop
C$ 822WestJet
Find Deal
Fri, 17 Oct - Mon, 20 Oct
WestJet Logo
6:30 p.m. - 12:40 a.m.BOS-YHM
30h 10m1 stop
WestJet Logo
6:00 a.m. - 5:40 p.m.YHM-BOS
11h 40m1 stop
C$ 857WestJet
Find Deal
Thu, 2 Oct - Sat, 4 Oct

Air Canada flights from Boston to Toronto

Our best Air Canada deals on Boston to Toronto flight tickets
Air Canada
12 Oct
BOS6:00 a.m.Boston Logan Intl
1h 56m
YYZ7:56 a.m.Toronto Pearson Intl
19 Oct
YYZ8:15 a.m.Toronto Pearson Intl
1h 40m
BOS9:55 a.m.Boston Logan Intl
C$ 290
Find similar
Air Canada
9 Oct
BOS6:00 a.m.Boston Logan Intl
5h 45m
1 stop
YTZ11:45 a.m.Toronto Island
20 Oct
YTZ5:25 p.m.Toronto Island
4h 00m
1 stop
BOS9:25 p.m.Boston Logan Intl
C$ 296
Find similar
Air Canada
27 Oct
BOS6:40 p.m.Boston Logan Intl
5h 24m
1 stop
YYZ12:04 a.m.Toronto Pearson Intl
31 Oct
YYZ2:15 p.m.Toronto Pearson Intl
1h 42m
BOS3:57 p.m.Boston Logan Intl
C$ 297
Find similar

United Airlines flights from Boston to Toronto

Our best United Airlines deals on Boston to Toronto flight tickets
United Airlines
9 Oct
BOS6:00 a.m.Boston Logan Intl
5h 44m
1 stop
YYZ11:44 a.m.Toronto Pearson Intl
12 Oct
YYZ7:30 a.m.Toronto Pearson Intl
5h 55m
1 stop
BOS1:25 p.m.Boston Logan Intl
C$ 387
Find similar
United Airlines
30 Sep
BOS7:08 p.m.Boston Logan Intl
14h 56m
1 stop
YYZ10:04 a.m.Toronto Pearson Intl
1 Oct
YYZ1:00 p.m.Toronto Pearson Intl
11h 50m
1 stop
BOS12:50 a.m.Boston Logan Intl
C$ 450
Find similar
United Airlines
30 Sep
BOS2:36 p.m.Boston Logan Intl
4h 29m
1 stop
YYZ7:05 p.m.Toronto Pearson Intl
8 Oct
YYZ6:00 p.m.Toronto Pearson Intl
4h 56m
1 stop
BOS10:56 p.m.Boston Logan Intl
C$ 452
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 16 September 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 - YYZ

BOSYYZ

Boston Logan Intl

Sun 12/10

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

Nonstop1h 56m

Toronto Pearson Intl

Sun 19/10

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

Nonstop1h 40m

C$ 290

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 4/12

6:55 p.m.-8:54 p.m.

Nonstop1h 59m

Toronto Island

Mon 8/12

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

Nonstop1h 35m

C$ 290

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 4/12

1:25 p.m.-3:24 p.m.

Nonstop1h 59m

Toronto Island

Sun 7/12

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

Nonstop1h 35m

C$ 291

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 16/10

8:45 a.m.-10:34 a.m.

Nonstop1h 49m

Toronto Island

Sun 19/10

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

Nonstop1h 41m

C$ 294

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 9/10

6:00 a.m.-11:45 a.m.

1 stop5h 45m

Toronto Island

Mon 20/10

5:25 p.m.-9:25 p.m.

1 stop4h 00m

C$ 296

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Mon 27/10

6:40 p.m.-12:04 a.m.

1 stop5h 24m

Toronto Pearson Intl

Fri 31/10

2:15 p.m.-3:57 p.m.

Nonstop1h 42m

C$ 297

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 23/10

7:15 p.m.-9:04 p.m.

Nonstop1h 49m

Toronto Island

Fri 24/10

8:20 p.m.-10:01 p.m.

Nonstop1h 41m

C$ 297

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

Thu 9/10

6:00 a.m.-11:44 a.m.

1 stop5h 44m

Toronto Pearson Intl

Sun 12/10

7:30 a.m.-1:25 p.m.

1 stop5h 55m

C$ 387

BostonHamilton

BOS - YHM

BOSYHM

Boston Logan Intl

Fri 17/10

6:30 p.m.-12:40 a.m.

1 stop30h 10m

Hamilton

Mon 20/10

6:00 a.m.-5:40 p.m.

1 stop11h 40m

C$ 822

BostonHamilton

BOS - YHM

BOSYHM

Boston Logan Intl

Thu 2/10

6:30 p.m.-12:40 a.m.

1 stop30h 10m

Hamilton

Sat 4/10

6:00 a.m.-5:40 p.m.

1 stop11h 40m

C$ 856

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 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$ 394.

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$ 415. 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 Monday will generally be more expensive and average around C$ 494. 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 in the afternoon because they tend to be around C$ 538. 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$ 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$ 356 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 1% 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 September 2025, prices for Boston to Toronto flights are approximately 15% 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$ 248

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$ 248. The best round-trip flight deal from Boston to Toronto found on momondo in the last 72 hours is C$ 377.
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$ 304Free CancellationRating
7.9
363 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 344Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights

  • Porter Airlines Flights From Boston to Toronto

    Across 21 Porter Airlines flights from Boston to Toronto this week, the average price was C$ 291, with the best Porter Airlines deals starting from C$ 220 round-trip. 363 users have rated Porter Airlines on momondo, with an average score of 7.9/10.

  • United Airlines Flights From Boston to Toronto

    Across 8,924 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$ 249 to C$ 392. 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