BOS - YTZ

C$ 148 Find Cheap Flights from Boston to Toronto Island – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
C$ 332
Typical prices: C$ 364-C$ 604
Air Canada
Tue 20/11Tue 27/11
BOS - YTZ • 1 stop
Cheapest direct flights
C$ 372
Typical prices: C$ 364-C$ 602
Porter Airlines
Sun 9/12Sun 16/12
BOS - YTZ • Direct
Direct flights
You can fly direct with Porter Airlines and Air Canada. Average duration is 1h 57m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 66% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 19 weeks in advance save around 50% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 19% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 467 (round-trip)
Shortest trip • 4h 39m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Toronto Island Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Boston to Toronto Island (BOS-YTZ)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Toronto Island

Fri, 20 Nov - Fri, 27 Nov
Air Canada Logo
6:35 p.m. - 7:52 a.m.BOS  Boston Logan Intl-YTZ Toronto Island
13h 17m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
7:15 a.m. - 8:54 a.m.YTZ  Toronto Island-BOS Boston Logan Intl
1h 39mdirect
C$ 384Air Canada
Thu, 10 Dec - Sat, 12 Dec
Porter Airlines Logo
8:00 a.m. - 9:55 a.m.BOS  Boston Logan Intl-YTZ Toronto Island
1h 55mdirect
Porter Airlines Logo
10:35 a.m. - 4:46 p.m.YTZ  Toronto Island-BOS Boston Logan Intl
6h 11m1 stop Ottawa
C$ 385Porter Airlines
Fri, 20 Nov - Fri, 27 Nov
Air Canada Logo
6:35 p.m. - 7:52 a.m.BOS  Boston Logan Intl-YTZ Toronto Island
13h 17m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
7:15 a.m. - 8:54 a.m.YTZ  Toronto Island-BOS Boston Logan Intl
1h 39mdirect
C$ 388Air Canada
Fri, 20 Nov - Fri, 27 Nov
Air Canada Logo
6:35 p.m. - 7:52 a.m.BOS  Boston Logan Intl-YTZ Toronto Island
13h 17m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
7:15 a.m. - 8:54 a.m.YTZ  Toronto Island-BOS Boston Logan Intl
1h 39mdirect
C$ 389Air Canada
Thu, 3 Dec - Sun, 6 Dec
Porter Airlines Logo
7:50 p.m. - 9:45 p.m.BOS  Boston Logan Intl-YTZ Toronto Island
1h 55mdirect
Porter Airlines Logo
10:35 a.m. - 4:46 p.m.YTZ  Toronto Island-BOS Boston Logan Intl
6h 11m1 stop Ottawa
C$ 394Porter Airlines
Thu, 3 Dec - Sun, 6 Dec
Porter Airlines Logo
1:15 p.m. - 6:29 p.m.BOS  Boston Logan Intl-YTZ Toronto Island
5h 14m1 stop Ottawa
Porter Airlines Logo
10:35 a.m. - 4:46 p.m.YTZ  Toronto Island-BOS Boston Logan Intl
6h 11m1 stop Ottawa
C$ 394Porter Airlines
Fri, 11 Dec - Mon, 14 Dec
Porter Airlines Logo
1:15 p.m. - 6:29 p.m.BOS  Boston Logan Intl-YTZ Toronto Island
5h 14m1 stop Ottawa
Porter Airlines Logo
9:00 a.m. - 4:46 p.m.YTZ  Toronto Island-BOS Boston Logan Intl
7h 46m2 stops Fredericton Ottawa
C$ 395Porter Airlines
Fri, 11 Dec - Mon, 14 Dec
Porter Airlines Logo
1:15 p.m. - 6:29 p.m.BOS  Boston Logan Intl-YTZ Toronto Island
5h 14m1 stop Ottawa
Porter Airlines Logo
10:35 a.m. - 4:46 p.m.YTZ  Toronto Island-BOS Boston Logan Intl
6h 11m1 stop Ottawa
C$ 396Porter Airlines
Sat, 5 Dec - Sat, 12 Dec
Porter Airlines Logo
8:00 a.m. - 9:55 a.m.BOS  Boston Logan Intl-YTZ Toronto Island
1h 55mdirect
Porter Airlines Logo
9:00 a.m. - 4:46 p.m.YTZ  Toronto Island-BOS Boston Logan Intl
7h 46m2 stops Fredericton Ottawa
C$ 399Porter Airlines
Tue, 22 Dec - Thu, 24 Dec
Porter Airlines Logo
8:00 a.m. - 9:55 a.m.BOS  Boston Logan Intl-YTZ Toronto Island
1h 55mdirect
Porter Airlines Logo
10:35 a.m. - 4:46 p.m.YTZ  Toronto Island-BOS Boston Logan Intl
6h 11m1 stop Ottawa
C$ 404Porter Airlines
Booking Insights

Price, demand, and travel trends for Boston to Toronto Island Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Boston to Toronto Island Airport?

Round-trip flights from Boston to Toronto Island Airport typically range from C$ 364 to C$ 604. The lowest price found in the past 5 days was C$ 332, on Air Canada.

What's the cheapest day of the week to fly from Boston to Toronto Island Airport?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Boston to Toronto Island Airport. It's 4% cheaper than the average day, while Sunday is the most expensive, with prices 8% higher.

What is the cheapest month to fly from Boston to Toronto Island Airport?

•September is the cheapest month to fly from Boston to Toronto Island Airport at C$ 372 round-trip.
•November (C$ 532) and April (C$ 529) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 42% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Boston to Toronto Island Airport the cheapest?

Flights from Boston to Toronto Island Airport are cheapest 19 weeks before departure. Booking in this window typically costs about 50% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Boston to Toronto Island

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on BOS

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Jennifer Bain

Jennifer Bain

Expert on YTZ

Jennifer Bain is a Canadian travel writer who takes at least 50 flights a year and has proudly visited all 13 of Canada's provinces and territories. She is a former newspaper travel editor who has written three travel books. Jennifer is the Canada editor for U.S.-based National Parks Traveler and freelances for numerous other outlets.

Key details for Boston to Toronto Island Airport flights

Low season

February

Cheapest flight

C$ 155
Beat the crowds with an average 27% drop in traveller numbers.
The most popular month to fly with an average 23% increase in traveller numbers.
One-way flight from Boston to Toronto Island Airport

When to book flights from Boston to Toronto Island

Are your dates flexible? Find out the best times to travel from Boston to Toronto Island based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Toronto Island Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Boston to Toronto Island Airport?

    These are the earliest and latest flight times available from Boston to Toronto Island Airport:

    • Earliest: departs at 8:00 am and lands at 9:57 am
    • Latest: departs at 7:50 pm and lands at 9:47 pm.

    The flight takes about 1h 57m.

  • Which cabin classes can I book on flights from Boston to Toronto Island Airport?

    Only Economy Class is available on flights from Boston to Toronto Island Airport.

  • How long does a flight from Boston to Toronto Island Airport take?

    A direct flight from Boston to Toronto Island Airport takes 1h 57m, covering 1,120 km.

  • Do I need a passport to fly from Boston to Toronto Island Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Boston to Toronto Island Airport flight?

    Round-trip flights from Boston to Toronto Island Airport range from C$ 364 to C$ 604, with an average of C$ 461 over the past 12 months. Anything below C$ 364 counts as a good deal.

  • How expensive are last-minute Boston to Toronto Island Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 58% above the C$ 461 route average. Book 19 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Boston to Toronto Island Airport?

    On this route, direct and layover fares are close on average, with direct at C$ 461 round-trip and layover options via Montreal Pierre Elliott Trudeau Intl (YUL) at C$ 467.

  • How does on-time performance compare across airlines flying from Boston to Toronto Island Airport?

    Air Canada is the only airline operating Boston to Toronto Island Airport flights. 66% of its flights are on time.

  • What is the standard checked bag allowance on flights from Boston to Toronto Island Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 42–C$ 141 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Boston to Toronto Island Airport?

    The De Havilland (Bombardier) DHC-8-400 Dash 8Q family is used most often on this route, operated mainly by Porter Airlines and Air Transat. Other aircraft seen on the route include Embraer 195 E2 variants.

  • How are flight departures from Boston to Toronto Island Airport spread across the day?

    Morning is the busiest departure period on Boston to Toronto Island Airport flights, with 34% leaving in that window. Afternoon departures account for 33%, Evening flights for 33%, and Night flights for 0%.

  • Have flight prices from Boston to Toronto Island Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 332 to C$ 1,922. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Boston to Toronto Island Airport looking right now?

    One-way fares from Boston to Toronto Island Airport are currently lower than usual. Average one-way flight prices are about C$ 164, which is 34% below the typical average for this route.

  • What car rental options are available at Toronto Island Airport (YTZ)?

    Toronto Island Airport (YTZ) hosts 5 major car rental companies, with daily rates averaging C$ 78 for economy cars. Top options include:

    • Hertz
    • Enterprise Rent-A-Car
    • National
    • Advance Car And Truck Rental
    • Zoom Rent A Car

  • Which airports can I use when flying from Boston to Toronto Island Airport?

    Flights from Boston to Toronto Island Airport usually depart from Boston Logan Intl (BOS) and arrive at Toronto Island (YTZ).

  • What time of day has the fewest delays on flights from Boston to Toronto Island Airport?

    Morning flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed on the route from Boston to Toronto Island Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Boston to Toronto Island Airport route, 34% of flights were delayed in the past three months, with delays averaging 2h 14m.

  • Which airports do connecting flights from Boston to Toronto Island Airport pass through?

    Connecting flights from Boston to Toronto Island Airport most commonly pass through:

    • Montreal Pierre Elliott Trudeau Intl (YUL) – 58% of one-stop connections
    • Ottawa (YOW) – 42% of one-stop connections

  • Can I save money by using flexible dates for flights from Boston to Toronto Island Airport?

    Yes. Flexible dates can save you up to 11% on flights from Boston to Toronto Island Airport. Thursday is the cheapest departure day at C$ 446 round-trip on average, while Sunday is the most expensive at C$ 499, a difference of C$ 54.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Boston to Toronto Island Airport?

    2 airlines operate flights between Boston and Toronto Island Airport. The airlines offering direct flights on this route include:

    • Porter Airlines
    • Air Canada

  • How much time can I save by choosing a different layover airport when travelling from Boston to Toronto Island Airport?

    Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 4h 26m, compared with 4h 39m via Ottawa (YOW).

  • Which popular places can I visit in Toronto Island Airport?

    Some of the most popular sights in Toronto Island Airport are Rogers Centre, Scotiabank Arena, and Union Station. These are among the most viewed places in Toronto Island Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Boston to Toronto Island Airport flights?

    Among airlines operating Boston to Toronto Island Airport flights:

    • Porter Airlines: offers free seat selection
    • Air Canada: offers extra legroom; offers free seat selection
    • United Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Boston to Toronto Island Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Porter Airlines: a carry-on bag and a checked bag in Economy Class
    • Air Canada: a carry-on bag and a checked bag in Economy Class
    • Air Transat: a carry-on bag and a checked bag in Premium Economy Class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Boston to Toronto Island Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average C$ 446, about C$ 54 less than Sunday fares (11% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 19 weeks before you fly. On this route, that window historically saves about 50% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boston to Toronto Island Airport trip for September. Fares historically average C$ 372 round-trip in that month – typically C$ 159 less than the most expensive month, which is November (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Toronto Island Airport.

    • The Omni King Edward Hotel
    • DoubleTree by Hilton Toronto Downtown
    • Hilton Toronto

Prefer to fly direct from Boston to Toronto Island?

 
Find which airlines fly direct from Boston Logan Intl Airport to Toronto Island Airport, which days they fly and book direct flights.

Direct departures

Boston Logan Intl to Toronto Island

Monday

Porter Airlines

Porter Airlines

Tuesday

Porter Airlines

Porter Airlines

Wednesday

Porter Airlines

Porter Airlines

Thursday

Porter Airlines

Porter Airlines

Friday

Porter Airlines

Porter Airlines

Saturday

Porter Airlines

Porter Airlines

Sunday

Porter Airlines

Porter Airlines

See more nonstop flights

Direct returns

Toronto Island to Boston Logan Intl

Monday

Porter Airlines

Porter Airlines

Tuesday

Porter Airlines

Porter Airlines

Wednesday

Porter Airlines

Porter Airlines

Thursday

Porter Airlines

Porter Airlines

Friday

Porter Airlines

Porter Airlines

Saturday

Porter Airlines

Porter Airlines

Sunday

Porter Airlines

Porter Airlines

See more nonstop flights

More options for your flight from Boston to Toronto Island

Complete your trip to Toronto with a hotel stay or car rental