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Cheap flights from Toronto to Boston from C$ 171

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Toronto to Boston departing on 9/10. 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

Porter Airlines Logo
9:50 a.m. - 11:31 a.m.YTZ-BOS
1h 41mdirect
Porter Airlines Logo
7:05 a.m. - 9:04 a.m.BOS-YTZ
1h 59mdirect
C$ 271Porter Airlines
Find Deal
Sat, 25 Oct - Sun, 2 Nov
Porter Airlines Logo
5:55 p.m. - 7:36 p.m.YTZ-BOS
1h 41mdirect
Porter Airlines Logo
6:45 p.m. - 8:34 p.m.BOS-YTZ
1h 49mdirect
C$ 272Porter Airlines
Find Deal
Sat, 11 Oct - Sat, 18 Oct
Air Canada Logo
5:00 p.m. - 9:26 p.m.YYZ-BOS
4h 26m1 stop
Air Canada Logo
6:00 a.m. - 11:39 a.m.BOS-YYZ
5h 39m1 stop
C$ 272Air Canada
Find Deal
Tue, 21 Oct - Thu, 23 Oct
Air Canada Logo
2:15 p.m. - 3:57 p.m.YYZ-BOS
1h 42mdirect
Air Canada Logo
5:30 a.m. - 11:40 a.m.BOS-YYZ
6h 10m1 stop
C$ 274Air Canada
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Porter Airlines Logo
8:30 p.m. - 10:05 p.m.YTZ-BOS
1h 35mdirect
Porter Airlines Logo
7:05 a.m. - 9:04 a.m.BOS-YTZ
1h 59mdirect
C$ 274Porter Airlines
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Multiple Airlines Logo
6:30 a.m. - 11:26 a.m.YYZ-BOS
28h 56m1 stop
Multiple Airlines Logo
3:00 p.m. - 2:05 p.m.BOS-YYZ
23h 05m1 stop
C$ 311Multiple Airlines
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Multiple Airlines Logo
10:45 a.m. - 4:22 p.m.YYZ-BOS
5h 37m1 stop
Multiple Airlines Logo
6:55 p.m. - 8:47 p.m.BOS-YYZ
1h 52mdirect
C$ 318Multiple Airlines
Find Deal
Wed, 15 Oct - Wed, 15 Oct
United Airlines Logo
10:45 a.m. - 3:48 p.m.YYZ-BOS
5h 03m1 stop
United Airlines Logo
7:30 a.m. - 11:48 a.m.BOS-YYZ
4h 18m1 stop
C$ 340United Airlines
Find Deal
Sat, 25 Oct - Wed, 29 Oct
WestJet Logo
6:00 a.m. - 5:40 p.m.YHM-BOS
11h 40m1 stop
WestJet Logo
6:30 p.m. - 12:40 a.m.BOS-YHM
30h 10m1 stop
C$ 821WestJet
Find Deal
Fri, 10 Oct - Sun, 12 Oct
WestJet Logo
6:00 a.m. - 5:40 p.m.YHM-BOS
11h 40m1 stop
WestJet Logo
6:30 p.m. - 12:40 a.m.BOS-YHM
30h 10m1 stop
C$ 942WestJet
Find Deal
Fri, 17 Oct - Sun, 19 Oct

Air Canada flights from Toronto to Boston

Our best Air Canada deals on Toronto to Boston flight tickets
Air Canada
21 Oct
YYZ5:00 p.m.Toronto Pearson Intl
4h 26m
1 stop
BOS9:26 p.m.Boston Logan Intl
23 Oct
BOS6:00 a.m.Boston Logan Intl
5h 39m
1 stop
YYZ11:39 a.m.Toronto Pearson Intl
C$ 272
Find similar
Air Canada
31 Oct
YYZ2:15 p.m.Toronto Pearson Intl
1h 42m
BOS3:57 p.m.Boston Logan Intl
7 Nov
BOS5:30 a.m.Boston Logan Intl
6h 10m
1 stop
YYZ11:40 a.m.Toronto Pearson Intl
C$ 274
Find similar
Air Canada
24 Oct
YTZ5:25 p.m.Toronto Island
4h 01m
1 stop
BOS9:26 p.m.Boston Logan Intl
28 Oct
BOS5:30 a.m.Boston Logan Intl
6h 25m
1 stop
YTZ11:55 a.m.Toronto Island
C$ 278
Find similar

Porter Airlines flights from Toronto to Boston

Our best Porter Airlines deals on Toronto to Boston flight tickets
Porter Airlines
25 Oct
YTZ9:50 a.m.Toronto Island
1h 41m
BOS11:31 a.m.Boston Logan Intl
2 Nov
BOS7:05 a.m.Boston Logan Intl
1h 59m
YTZ9:04 a.m.Toronto Island
C$ 271
Find similar
Porter Airlines
11 Oct
YTZ5:55 p.m.Toronto Island
1h 41m
BOS7:36 p.m.Boston Logan Intl
18 Oct
BOS6:45 p.m.Boston Logan Intl
1h 49m
YTZ8:34 p.m.Toronto Island
C$ 272
Find similar
Porter Airlines
5 Dec
YTZ8:30 p.m.Toronto Island
1h 35m
BOS10:05 p.m.Boston Logan Intl
8 Dec
BOS7:05 a.m.Boston Logan Intl
1h 59m
YTZ9:04 a.m.Toronto Island
C$ 274
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Toronto to Boston 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 Toronto to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 25/10

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

Nonstop1h 41m

Boston Logan Intl

Sun 2/11

7:05 a.m.-9:04 a.m.

Nonstop1h 59m

C$ 271

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Sat 11/10

5:55 p.m.-7:36 p.m.

Nonstop1h 41m

Boston Logan Intl

Sat 18/10

6:45 p.m.-8:34 p.m.

Nonstop1h 49m

C$ 272

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Tue 21/10

5:00 p.m.-9:26 p.m.

1 stop4h 26m

Boston Logan Intl

Thu 23/10

6:00 a.m.-11:39 a.m.

1 stop5h 39m

C$ 272

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Fri 31/10

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

Nonstop1h 42m

Boston Logan Intl

Fri 7/11

5:30 a.m.-11:40 a.m.

1 stop6h 10m

C$ 274

TorontoBoston

YTZ - BOS

YTZBOS

Toronto Island

Fri 5/12

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

Nonstop1h 35m

Boston Logan Intl

Mon 8/12

7:05 a.m.-9:04 a.m.

Nonstop1h 59m

C$ 274

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Tue 14/10

6:30 a.m.-11:26 a.m.

1 stop28h 56m

Boston Logan Intl

Tue 21/10

3:00 p.m.-2:05 p.m.

1 stop23h 05m

C$ 311

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Wed 15/10

10:45 a.m.-4:22 p.m.

1 stop5h 37m

Boston Logan Intl

Wed 15/10

6:55 p.m.-8:47 p.m.

Nonstop1h 52m

C$ 318

TorontoBoston

YYZ - BOS

YYZBOS

Toronto Pearson Intl

Sat 25/10

10:45 a.m.-3:48 p.m.

1 stop5h 03m

Boston Logan Intl

Wed 29/10

7:30 a.m.-11:48 a.m.

1 stop4h 18m

C$ 340

HamiltonBoston

YHM - BOS

YHMBOS

Hamilton

Fri 10/10

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

1 stop11h 40m

Boston Logan Intl

Sun 12/10

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

1 stop30h 10m

C$ 821

HamiltonBoston

YHM - BOS

YHMBOS

Hamilton

Fri 17/10

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

1 stop11h 40m

Boston Logan Intl

Sun 19/10

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

1 stop30h 10m

C$ 942

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 Boston from

How to get the cheapest flight ticket from Toronto to Boston

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 Boston?

The cheapest month to fly to Boston from Toronto is in March. Flight prices, which tend to average around C$ 350, are often lower during this time because this is during the off-season. If you are unable to visit Boston during the month of March, then departing from Toronto during the month July is also very affordable. Most momondo users find prices during this month for around C$ 352.

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

On average, the least expensive day to fly to Boston from Toronto is on a Friday. momondo users have found tickets for Friday departures for as low as C$ 469. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Toronto to Boston on a Tuesday will generally be more expensive and average around C$ 1,741. 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 Boston?

Flying to Boston from Toronto in the morning is the least expensive time of day to depart. momondo users have found prices as low as C$ 398 when looking at flights departing in the morning. Flights in the afternoon are often more expensive with an average ticket price of C$ 1,867.

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

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

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

You are more likely to see cheaper flights to Boston from Toronto when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around C$ 433 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Toronto for as low as C$ 347 on momondo.

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

There are 4 cabin classes available to choose from on Toronto to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Toronto to Boston flight prices changed over time?

As of September 2025, prices for Toronto to Boston flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Toronto to Boston

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

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

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

Best price found

C$ 197

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from Toronto in the past 72 hours is C$ 197. The best round-trip flight deal from Toronto to Boston found on momondo in the last 72 hours is C$ 288.
The fastest flight from Toronto to Boston takes 1h 35m
Direct flights go from Toronto to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)
Search flight deals

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

    There are 691.1 km between Toronto and Boston Logan Intl. In terms of flight time, this usually takes a little over 1h 35m.

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

    Prices for flights from Toronto to Boston Logan Intl Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Toronto to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The required travel and health documents for your Boston Logan Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Boston Logan Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Best airlines flying from Toronto to Boston

Compare and see reviews for airlines that fly from Toronto to Boston with momondo
Airline
Rating
Free Cancellation
Price
Air TransatPriceFrom C$ 208Free CancellationRating
7.7
438 reviews
Search Air Transat flights
American AirlinesPriceFrom C$ 214Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Porter AirlinesPriceFrom C$ 261Free CancellationRating
7.9
363 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 316Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 343Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights

  • Porter Airlines Flights From Toronto to Boston

    Across 22 Porter Airlines flights from Toronto to Boston this week, the average price was C$ 260, with the best Porter Airlines deals starting from C$ 189 round-trip. 363 users have rated Porter Airlines on momondo, with an average score of 7.9/10.

  • Air Transat Flights From Toronto to Boston

    Air Transat is also a popular choice for this route. Air Transat flight deals for Toronto to Boston start from as low as C$ 151 round-trip, depending on your selected dates, with average Air Transat deals seen on momondo around C$ 309. Air Transat operates 22 flights to Boston from Toronto in an average week. Users have rated it 7.7/10 across 438 reviews.

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Old Orchard Beach
Salem
Ogunquit
Wells
Cambridge
Everett
Needham
Newton
West Yarmouth
Saco
Middletown
Westbrook
Burlington
Sturbridge
Scarborough
Cape Neddick
Waltham
Quincy
Peabody

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Toronto to Boston. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Toronto to Boston flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Toronto and Boston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Toronto to Boston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Boston 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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