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Cheap flights from Boston to Toronto from $109

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 12/3. 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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Porter Airlines Logo
7:00 am - 8:55 amBOS-YTZ
1h 55mnonstop
Porter Airlines Logo
11:05 am - 12:40 pmYTZ-BOS
1h 35mnonstop
$235Porter Airlines
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Sat, Nov 8 - Wed, Nov 12
Porter Airlines Logo
7:00 am - 8:55 amBOS-YTZ
1h 55mnonstop
Porter Airlines Logo
8:00 am - 9:35 amYTZ-BOS
1h 35mnonstop
$238Porter Airlines
Find Deal
Fri, Nov 14 - Fri, Nov 21
Porter Airlines Logo
3:30 pm - 7:08 pmBOS-YTZ
3h 38m1 stop
Porter Airlines Logo
2:05 pm - 6:10 pmYTZ-BOS
4h 05m1 stop
$239Porter Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 16
Porter Airlines Logo
3:40 pm - 10:03 pmBOS-YTZ
6h 23m1 stop
Porter Airlines Logo
2:05 pm - 6:11 pmYTZ-BOS
4h 06m1 stop
$240Porter Airlines
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Mon, Nov 17 - Mon, Nov 24
Multiple Airlines Logo
10:15 am - 2:55 pmBOS-YTZ
4h 40m1 stop
Multiple Airlines Logo
8:30 pm - 10:05 pmYTZ-BOS
1h 35mnonstop
$247Multiple Airlines
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Sat, Nov 8 - Mon, Nov 10
Multiple Airlines Logo
1:25 pm - 3:20 pmBOS-YTZ
1h 55mnonstop
Multiple Airlines Logo
11:05 am - 12:40 pmYTZ-BOS
1h 35mnonstop
$250Multiple Airlines
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Wed, Dec 3 - Wed, Dec 10
Air Canada Logo
3:40 pm - 7:55 pmBOS-YTZ
4h 15m1 stop
Air Canada Logo
8:30 am - 2:52 pmYTZ-BOS
6h 22m1 stop
$255Air Canada
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Tue, Dec 2 - Tue, Dec 9
Air Transat Logo
7:00 am - 8:55 amBOS-YTZ
1h 55mnonstop
Air Transat Logo
8:00 am - 9:35 amYTZ-BOS
1h 35mnonstop
$270Air Transat
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Mon, Nov 24 - Sat, Nov 29
Air Transat Logo
7:00 am - 8:55 amBOS-YTZ
1h 55mnonstop
Air Transat Logo
11:05 am - 12:40 pmYTZ-BOS
1h 35mnonstop
$288Air Transat
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Fri, Nov 7 - Tue, Nov 11
Air Canada Logo
5:30 am - 11:42 amBOS-YTZ
6h 12m2 stops
Air Canada Logo
8:50 am - 2:52 pmYTZ-BOS
6h 02m2 stops
$296Air Canada
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Wed, Dec 3 - Wed, Dec 10

Porter Airlines flights from Boston to Toronto Island Airport

Our best Porter Airlines deals on Boston to Toronto Island Airport flight tickets
Porter Airlines
Nov 8
BOS7:00 amBoston Logan Intl
1h 55m
YTZ8:55 amToronto Island
Nov 12
YTZ11:05 amToronto Island
1h 35m
BOS12:40 pmBoston Logan Intl
$235
Find similar
Porter Airlines
Nov 14
BOS7:00 amBoston Logan Intl
1h 55m
YTZ8:55 amToronto Island
Nov 21
YTZ8:00 amToronto Island
1h 35m
BOS9:35 amBoston Logan Intl
$238
Find similar
Porter Airlines
Jan 12
BOS3:30 pmBoston Logan Intl
3h 38m
1 stop
YTZ7:08 pmToronto Island
Jan 16
YTZ2:05 pmToronto Island
4h 05m
1 stop
BOS6:10 pmBoston Logan Intl
$239
Find similar

Air Canada flights from Boston to Toronto Island Airport

Our best Air Canada deals on Boston to Toronto Island Airport flight tickets
Air Canada
Dec 2
BOS3:40 pmBoston Logan Intl
4h 15m
1 stop
YTZ7:55 pmToronto Island
Dec 9
YTZ8:30 amToronto Island
6h 22m
1 stop
BOS2:52 pmBoston Logan Intl
$255
Find similar
Air Canada
Dec 3
BOS5:30 amBoston Logan Intl
6h 12m
2 stops
YTZ11:42 amToronto Island
Dec 10
YTZ8:50 amToronto Island
6h 02m
2 stops
BOS2:52 pmBoston Logan Intl
$296
Find similar
Air Canada
Oct 26
BOS5:30 amBoston Logan Intl
4h 25m
1 stop
YTZ9:55 amToronto Island
Oct 29
YTZ8:30 amToronto Island
6h 22m
1 stop
BOS2:52 pmBoston Logan Intl
$422
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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 October 20, 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 11/8

7:00 am-8:55 am

Nonstop1h 55m

Toronto Island

Wed 11/12

11:05 am-12:40 pm

Nonstop1h 35m

$235

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 11/14

7:00 am-8:55 am

Nonstop1h 55m

Toronto Island

Fri 11/21

8:00 am-9:35 am

Nonstop1h 35m

$238

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 1/12

3:30 pm-7:08 pm

1 stop3h 38m

Toronto Island

Fri 1/16

2:05 pm-6:10 pm

1 stop4h 05m

$239

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 11/17

3:40 pm-10:03 pm

1 stop6h 23m

Toronto Island

Mon 11/24

2:05 pm-6:11 pm

1 stop4h 06m

$240

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Sat 11/8

10:15 am-2:55 pm

1 stop4h 40m

Toronto Island

Mon 11/10

8:30 pm-10:05 pm

Nonstop1h 35m

$247

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 12/3

1:25 pm-3:20 pm

Nonstop1h 55m

Toronto Island

Wed 12/10

11:05 am-12:40 pm

Nonstop1h 35m

$250

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Tue 12/2

3:40 pm-7:55 pm

1 stop4h 15m

Toronto Island

Tue 12/9

8:30 am-2:52 pm

1 stop6h 22m

$255

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Mon 11/24

7:00 am-8:55 am

Nonstop1h 55m

Toronto Island

Sat 11/29

8:00 am-9:35 am

Nonstop1h 35m

$270

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Fri 11/7

7:00 am-8:55 am

Nonstop1h 55m

Toronto Island

Tue 11/11

11:05 am-12:40 pm

Nonstop1h 35m

$288

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

Wed 12/3

5:30 am-11:42 am

2 stops6h 12m

Toronto Island

Wed 12/10

8:50 am-2:52 pm

2 stops6h 02m

$296

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $374. 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 $303. In contrast, the most expensive time of day to depart to Toronto Island Airport is at noon when prices are around $373.

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 $318 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 $116 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.

Can stopping save me money on Boston to Toronto Island Airport flights?

You could potentially save up to 16% on your flight if you consider stops on a Boston to Toronto Island Airport flight.

How have Boston to Toronto Island Airport flight prices changed over time?

As of October 2025, prices for Boston to Toronto Island Airport flights are approximately 25% cheaper 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

$151

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 $151. The best round-trip flight deal from Boston to Toronto Island Airport found on momondo in the last 72 hours is $272.
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 55m.

  • 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 $217Free CancellationRating
8.0
381 reviews
Search Porter Airlines flights
Air TransatPriceFrom $229Free CancellationRating
7.8
466 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 23 flights/week on average for this route. A good Porter Airlines flight deal for Boston to Toronto Island Airport starts from $217 round-trip, up to an average price of $299. 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 $229 round-trip, depending on your selected dates, with average Air Transat deals seen on momondo around $348. Air Transat operates 23 flights to Toronto Island Airport from Boston in an average week. Users have rated it 7.8/10 across 466 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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