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Cheap flights from Boston to Toronto from $108

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 9/13. 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-YTZ)

Cheap round-trip flights

Air Canada Logo
3:15 pm - 9:34 pmBOS-YTZ
6h 19m1 stop
Air Canada Logo
5:25 pm - 9:25 pmYTZ-BOS
4h 00m1 stop
$222Air Canada
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Sat, Sep 20 - Mon, Sep 22
Porter Airlines Logo
7:15 pm - 9:04 pmBOS-YTZ
1h 49mnonstop
Porter Airlines Logo
9:50 am - 11:31 amYTZ-BOS
1h 41mnonstop
$223Porter Airlines
Find Deal
Fri, Sep 19 - Sun, Sep 21
Porter Airlines Logo
1:25 pm - 3:24 pmBOS-YTZ
1h 59mnonstop
Porter Airlines Logo
2:05 pm - 6:10 pmYTZ-BOS
4h 05m1 stop
$225Porter Airlines
Find Deal
Sat, Nov 8 - Mon, Nov 10
Logo
7:15 am - 9:04 amBOS-YTZ
1h 49mnonstop
Logo
1:00 pm - 2:41 pmYTZ-BOS
1h 41mnonstop
$226
Find Deal
Sat, Sep 20 - Tue, Sep 23
Logo
7:15 am - 9:04 amBOS-YTZ
1h 49mnonstop
Logo
3:25 pm - 9:25 pmYTZ-BOS
6h 00m1 stop
$227
Find Deal
Sat, Sep 20 - Mon, Sep 22
Porter Airlines Logo
6:45 pm - 8:34 pmBOS-YTZ
1h 49mnonstop
Porter Airlines Logo
8:20 pm - 10:01 pmYTZ-BOS
1h 41mnonstop
$228Porter Airlines
Find Deal
Sat, Sep 20 - Sun, Sep 21
Porter Airlines Logo
5:35 pm - 7:24 pmBOS-YTZ
1h 49mnonstop
Porter Airlines Logo
1:25 pm - 3:06 pmYTZ-BOS
1h 41mnonstop
$229Porter Airlines
Find Deal
Thu, Sep 11 - Sat, Sep 13
Porter Airlines Logo
3:30 pm - 7:03 pmBOS-YTZ
3h 33m1 stop
Porter Airlines Logo
3:10 pm - 4:51 pmYTZ-BOS
1h 41mnonstop
$230Porter Airlines
Find Deal
Tue, Sep 23 - Thu, Sep 25
Air Canada Logo
3:15 pm - 9:34 pmBOS-YTZ
6h 19m1 stop
Air Canada Logo
8:25 pm - 9:30 amYTZ-BOS
13h 05m1 stop
$231Air Canada
Find Deal
Sat, Sep 20 - Sun, Sep 21
Porter Airlines Logo
7:15 pm - 9:04 pmBOS-YTZ
1h 49mnonstop
Porter Airlines Logo
9:50 am - 11:31 amYTZ-BOS
1h 41mnonstop
$232Porter Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23

Air Canada flights from Boston to Toronto Island Airport

Our best Air Canada deals on Boston to Toronto Island Airport flight tickets
Air Canada
Sep 20
BOS3:15 pmBoston Logan Intl
6h 19m
1 stop
YTZ9:34 pmToronto Island
Sep 22
YTZ5:25 pmToronto Island
4h 00m
1 stop
BOS9:25 pmBoston Logan Intl
$222
Find similar
Air Canada
Sep 20
BOS3:15 pmBoston Logan Intl
6h 19m
1 stop
YTZ9:34 pmToronto Island
Sep 21
YTZ8:25 pmToronto Island
13h 05m
1 stop
BOS9:30 amBoston Logan Intl
$231
Find similar
Air Canada
Nov 15
BOS5:30 amBoston Logan Intl
6h 12m
2 stops
YTZ11:42 amToronto Island
Nov 17
YTZ10:40 amToronto Island
8h 32m
2 stops
BOS7:12 pmBoston Logan Intl
$235
Find similar

Porter Airlines flights from Boston to Toronto Island Airport

Our best Porter Airlines deals on Boston to Toronto Island Airport flight tickets
Porter Airlines
Sep 19
BOS7:15 pmBoston Logan Intl
1h 49m
YTZ9:04 pmToronto Island
Sep 21
YTZ9:50 amToronto Island
1h 41m
BOS11:31 amBoston Logan Intl
$223
Find similar
Porter Airlines
Nov 8
BOS1:25 pmBoston Logan Intl
1h 59m
YTZ3:24 pmToronto Island
Nov 10
YTZ2:05 pmToronto Island
4h 05m
1 stop
BOS6:10 pmBoston Logan Intl
$225
Find similar
Porter Airlines
Sep 20
BOS6:45 pmBoston Logan Intl
1h 49m
YTZ8:34 pmToronto Island
Sep 21
YTZ8:20 pmToronto Island
1h 41m
BOS10:01 pmBoston Logan Intl
$228
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Toronto Island Airport 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 832,500 searches. Data last updated August 30, 2025.
Use the filters below to find and compare flights from Boston to Toronto Island Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 9/20

3:15 pm-9:34 pm

1 stop6h 19m

Toronto Island

Mon 9/22

5:25 pm-9:25 pm

1 stop4h 00m

$222

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 9/19

7:15 pm-9:04 pm

Nonstop1h 49m

Toronto Island

Sun 9/21

9:50 am-11:31 am

Nonstop1h 41m

$223

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 11/8

1:25 pm-3:24 pm

Nonstop1h 59m

Toronto Island

Mon 11/10

2:05 pm-6:10 pm

1 stop4h 05m

$225

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 9/20

7:15 am-9:04 am

Nonstop1h 49m

Toronto Island

Tue 9/23

1:00 pm-2:41 pm

Nonstop1h 41m

$226

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 9/20

7:15 am-9:04 am

Nonstop1h 49m

Toronto Island

Mon 9/22

3:25 pm-9:25 pm

1 stop6h 00m

$227

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 9/20

6:45 pm-8:34 pm

Nonstop1h 49m

Toronto Island

Sun 9/21

8:20 pm-10:01 pm

Nonstop1h 41m

$228

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Thu 9/11

5:35 pm-7:24 pm

Nonstop1h 49m

Toronto Island

Sat 9/13

1:25 pm-3:06 pm

Nonstop1h 41m

$229

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 9/23

3:30 pm-7:03 pm

1 stop3h 33m

Toronto Island

Thu 9/25

3:10 pm-4:51 pm

Nonstop1h 41m

$230

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 9/20

3:15 pm-9:34 pm

1 stop6h 19m

Toronto Island

Sun 9/21

8:25 pm-9:30 am

1 stop13h 05m

$231

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 9/16

7:15 pm-9:04 pm

Nonstop1h 49m

Toronto Island

Tue 9/23

9:50 am-11:31 am

Nonstop1h 41m

$232

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 Island Airport

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 Island Airport?

If you aren’t able to travel during the month of July, then book flights to Toronto Island Airport from Boston during June instead. Flights to Toronto Island Airport in June, while not as cheap as those in July, still average around $279.

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

The cheapest day to depart on your flight to Toronto Island Airport is on a Thursday when prices can be found for as low as $305. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $367. These prices are subject to change though, so be sure to set up a Price Alert for flights to Toronto Island Airport.

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

Our data shows that the cheapest Boston to Toronto Island Airport flights are usually those with departure times in the evening. Our users have found flights to Toronto Island Airport in the evening for as low as $307. In contrast, the most expensive time of day to depart to Toronto Island Airport is at noon when prices are around $364.

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

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

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

You are more likely to see cheaper flights to Toronto Island Airport from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto Island Airport for around $321 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto Island Airport from Boston for as low as $166 on momondo.

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

There are 3 cabin classes available to choose from on Boston Logan Intl to Toronto Island 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 Island Airport flight prices changed over time?

As of August 2025, prices for Boston to Toronto Island Airport flights are approximately 10% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Toronto Island Airport

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

Cheap Boston to Toronto Island Airport (BOS to YTZ) flight deals and tips

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

Best Price Found

$130

Fastest flight time

1h 49m

Direct flights

Every day
The best one-way flight to Toronto Island Airport from Boston in the past 72 hours is $130. The best round-trip flight deal from Boston to Toronto Island Airport found on momondo in the last 72 hours is $271.
The fastest flight from Boston to Toronto Island Airport takes 1h 49m
Direct flights go from Boston to Toronto Island Airport every day.
Search flight deals

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

    Boston Logan Intl and Toronto Island are 430.0 mi apart from one another. By plane, this route typically takes 1h 49m.

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

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

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

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

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

    The travel and health documents required for your trip to Toronto Island Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Toronto Island Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from Boston to Toronto Island Airport

Compare and see reviews for airlines that fly from Boston to Toronto Island Airport with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom $225Free CancellationRating
8.0
351 reviews
Search Porter Airlines flights
Air TransatPriceFrom $254Free CancellationRating
7.7
430 reviews
Search Air Transat flights

  • Porter Airlines Flights From Boston to Toronto Island Airport

    Porter Airlines is one of the most popular airlines flying from Boston to Toronto Island Airport, operating 19 flights/week on average for this route. A good Porter Airlines flight deal for Boston to Toronto Island Airport starts from $225 round-trip, up to an average price of $303. Our users have rated Porter Airlines at 8.0/10.

  • Air Transat Flights From Boston to Toronto Island Airport

    Air Transat is also a popular choice for this route. Air Transat flight deals for Boston to Toronto Island Airport start from as low as $254 round-trip, depending on your selected dates, with average Air Transat deals seen on momondo around $359. Air Transat operates 19 flights to Toronto Island Airport from Boston in an average week. Users have rated it 7.7/10 across 430 reviews.

Why use momondo?

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

It is quick and easy to find Boston to Toronto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Toronto that suits 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 not ready to book a flight from Boston to Toronto now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Toronto and let you know when they change.

An easier way to manage your Toronto Island Airport trip

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