YTO - BOS

$122 Find Cheap Flights from Toronto to Boston - Compare and Save

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Everything you should know

Cheapest round-trip
$183
Typical prices: $223-$370
Porter Airlines
Sun 9/16Thu 9/20
YTZ - BOS • Non-stop
Cheapest non-stop
$183
Typical prices: $224-$370
Porter Airlines
Sat 9/15Mon 9/17
YTZ - BOS • Non-stop
Advice from real travelers
United Economy Plus and Air Canada Preferred Economy add extra legroom.
Porter adds free drinks; from YTZ, arrive early and watch luggage fees.
Expert advice
+1
Expert advice
+1
Nonstop flights
You can fly direct with Air Canada and Porter Airlines. Average duration is 1h 41m
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 3% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 73% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 7 weeks in advance save around 48% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 10% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $247 (round-trip)
Shortest trip • 4h 23m (one-way)
Insights
Insights
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We hope you love your trip to Boston!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Toronto to Boston (YTO-BOS)

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

Recent round-trip flight deals from Toronto to Boston

Fri, Sep 18 - Mon, Sep 21
Porter Airlines Logo
3:45 pm - 5:25 pmYTZ  Toronto Island-BOS Boston Logan Intl
1h 40mnonstop
Porter Airlines Logo
11:10 am - 12:57 pmBOS  Boston Logan Intl-YTZ Toronto Island
1h 47mnonstop
$183Porter Airlines
Wed, Sep 16 - Sun, Sep 20
Porter Airlines Logo
7:15 pm - 8:55 pmYTZ  Toronto Island-BOS Boston Logan Intl
1h 40mnonstop
Porter Airlines Logo
7:00 am - 8:47 amBOS  Boston Logan Intl-YTZ Toronto Island
1h 47mnonstop
$183Porter Airlines
Mon, Sep 21 - Mon, Sep 28
Air Canada Logo
7:15 am - 8:52 amYTZ  Toronto Island-BOS Boston Logan Intl
1h 37mnonstop
Air Canada Logo
9:35 am - 11:34 amBOS  Boston Logan Intl-YTZ Toronto Island
1h 59mnonstop
$190Air Canada
Thu, Sep 17 - Sun, Sep 20
Air Canada Logo
9:30 am - 2:41 pmYTZ  Toronto Island-BOS Boston Logan Intl
5h 11m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
9:35 am - 11:34 amBOS  Boston Logan Intl-YTZ Toronto Island
1h 59mnonstop
$195Air Canada
Fri, Sep 25 - Mon, Sep 28
Air Transat Logo
7:25 am - 9:05 amYYZ  Toronto Pearson Intl-BOS Boston Logan Intl
1h 40mnonstop
Air Transat Logo
10:05 am - 12:00 pmBOS  Boston Logan Intl-YYZ Toronto Pearson Intl
1h 55mnonstop
$200Air Transat
Sun, Sep 20 - Tue, Sep 22
Air Transat Logo
7:25 am - 9:05 amYYZ  Toronto Pearson Intl-BOS Boston Logan Intl
1h 40mnonstop
Air Transat Logo
7:30 pm - 9:25 pmBOS  Boston Logan Intl-YYZ Toronto Pearson Intl
1h 55mnonstop
$201Air Transat
Thu, Sep 17 - Sun, Sep 20
Multiple Airlines Logo
12:00 pm - 1:40 pmYTZ  Toronto Island-BOS Boston Logan Intl
1h 40mnonstop
Multiple Airlines Logo
5:50 am - 10:05 amBOS  Boston Logan Intl-YTZ Toronto Island
4h 15m1 stop Montreal Pierre Elliott Trudeau Intl
$214Multiple Airlines
Fri, Sep 11 - Sun, Sep 13
Multiple Airlines Logo
12:00 pm - 1:40 pmYTZ  Toronto Island-BOS Boston Logan Intl
1h 40mnonstop
Multiple Airlines Logo
5:50 am - 10:05 amBOS  Boston Logan Intl-YTZ Toronto Island
4h 15m1 stop Montreal Pierre Elliott Trudeau Intl
$215Multiple Airlines
Sat, Sep 26 - Sat, Sep 26
United Airlines Logo
7:30 am - 11:24 amYYZ  Toronto Pearson Intl-BOS Boston Logan Intl
3h 54m1 stop Newark
United Airlines Logo
3:13 pm - 8:44 pmBOS  Boston Logan Intl-YYZ Toronto Pearson Intl
5h 31m1 stop Chicago O'Hare Intl
$249United Airlines
Sat, Sep 19 - Sat, Sep 19
United Airlines Logo
7:30 am - 2:22 pmYYZ  Toronto Pearson Intl-BOS Boston Logan Intl
6h 52m1 stop Newark
United Airlines Logo
6:00 pm - 10:23 pmBOS  Boston Logan Intl-YYZ Toronto Pearson Intl
4h 23m1 stop Newark
$249United Airlines
Booking Insights

Price, demand and travel trends for Toronto to Boston flights

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

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

Round-trip flights from Toronto to Boston start at $183. Prices are below average for this route right now, with typical round-trip fares ranging from $223 to $370. The lowest price found in the past 5 days was $183 on Porter Airlines.

What is the cheapest Toronto to Boston flight route?

There's little price difference between Toronto to Boston routes. They average around $275 round-trip, based on KAYAK data over the past 12 months.

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

Tuesday is the cheapest day of the week to fly from Toronto to Boston, it is 6% cheaper than the average day. Sunday is the most expensive day with flight prices 12% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • August is the cheapest month to fly from Toronto to Boston at $248 round-trip.
  • April ($346) and January ($326) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 39% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Toronto to Boston the cheapest?

Flights from Toronto to Boston are cheapest 7 weeks before departure. Booking in this window typically costs about 48% 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 Toronto to Boston

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

Stefanie Waldek

Expert on United Airlines, Air Canada and YYZ

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

John Walton

John Walton

Expert on Porter Airlines

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

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.

James March

James March

Expert on YTZ

For UK-based James March, nothing beats the thrill and chaos of arriving in a new city for the first time, and he tries to put that feeling into his writing and inspire others to travel too. From Birmingham to Blackpool and Leicester to Liverpool, James has reviewed hotels, written narratives and created guides for those who love to travel.

Key details for Toronto to Boston flights

Low season

February

Cheapest flight

$122
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Toronto Island Airport to Boston

When to book flights from Toronto to Boston

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

Flights from Toronto to Boston: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Toronto to Boston 
JenFlew with Porter Airlines-Jan 2026
Get there SUPER EARLY, lines are long, only a few people working. Be prepared to massively overpay for luggage.
Verified travelerFlew with Air Canada-Nov 2024
Don't forget about customs at the Toronto airport--it will take 45+ minutes with the lines unless you have a special status program!

Your Toronto to Boston flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What hotels are near Logan International Airport?

    The Hilton is a stylish 4-star hotel that is connected directly to Logan International Airport via a skybridge and is less than a 10-minute drive from the Boston Common Park. The Courtyard by Marriott is a casual option that is a 7-minute drive from the airport and a 10-minute drive from the Mystic Mall shopping center.

  • What is the best way to travel from Logan International Airport to downtown Boston?

    If you would like to travel from Logan International Airport to downtown Boston as quickly as possible, it is best to either rent a car or take a taxi, as the drive is only 10 to 15 minutes depending on traffic conditions. If you would prefer a more budget-friendly mode of transportation, grab the local bus, which will take you 25 to 30 minutes.

  • What shopping options are available at Logan International Airport?

    To purchase souvenirs or gifts to take back home with you, stop at one of the several duty-free stores that are located inside of Logan International Airport. These shops sell a variety of items including cosmetics, clothing, liquor, pieces of art and popular local food products.

  • Are there any pet relief areas at Logan International Airport?

    If you are travelling with a pet or service animal, make sure to bring them to one of the pet relief areas in Logan International Airport after your flight has landed. While there are not many pet relief areas inside of the airport, there is a designated zone located outside of each arrivals area, all of which provide complimentary waste disposal bags for pet owners.

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

    Among airlines operating Toronto to Boston flights:

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

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

  • What airlines are available from Toronto to Boston?

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

    • Air Canada
    • Porter Airlines

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

    Flights from Toronto to Boston may depart from several airports in Toronto area, including Toronto Region of Waterloo Intl (YKF), Toronto Island (YTZ) and Toronto Pearson Intl (YYZ). Flights usually arrive at Boston Logan Intl (BOS).

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

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

    • Porter Airlines: a cabin bag and a checked bag in Economy Class
    • Air Canada: a cabin bag and a checked bag in Economy Class
    • Air Transat: a cabin bag and a checked bag in Economy Class

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

  • What cabin classes can I book on flights from Toronto to Boston?

    Four cabin classes are available on flights from Toronto to Boston:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $247 round-trip via Philadelphia (PHL), compared to $276 for nonstop.

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

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $25–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

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

    One-stop flights from Toronto to Boston most commonly connect through:

    • Ottawa (YOW) - 24% of one-stop connections
    • Montreal Pierre Elliott Trudeau Intl (YUL) - 20% of one-stop connections
    • Newark (EWR) - 15% of one-stop connections
    • New York LaGuardia (LGA) - 12% of one-stop connections

    Ottawa (YOW) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 16% on the Toronto to Boston route. Tuesday is the cheapest departure day at $262 round-trip on average, while Sunday is the most expensive at $310, a difference of $48. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed from Toronto to Boston?

    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 Toronto to Boston route, 28% of flights were delayed in the past 3 months, with delays averaging 2 hours 29 minutes.

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

    Morning is the busiest departure period on Toronto to Boston flights, with 39% of flights leaving in that window. Afternoon departures account for 38%, evening flights for 23%, and night flights for 0%.

  • What popular places can I visit in Boston?

    Some of the most popular sights in Boston are Fenway Park, TD Garden and South Station. These are among the most viewed places in Boston on KAYAK.

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

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

    • Earliest: departs at 7:15 am and lands at 8:56 am
    • Latest: departs at 8:55 pm and lands at 10:36 pm.

    The flight takes about 1h 41m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 62% above the route average of $276. Book 7 weeks before departure for the lowest fares.

  • How long is a flight from Toronto to Boston?

    A nonstop flight from Toronto to Boston takes 1h 41m, covering 432 miles.

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

    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.

  • Have flight prices from Toronto to Boston 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 $183 to $1,082. That means the highest observed fare was about 6x higher than the lowest one.

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

    One-way fares from Toronto to Boston are currently lower than usual. Average one-way flight prices are about $140, which is 37% below the typical average for this route.

  • How do delay rates compare for morning and evening flights from Toronto to Boston?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

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

    Flying via New York LaGuardia (LGA) gives the shortest average 1-stop total travel time at 4h 23m, compared with 4h 25m via Washington, D.C. Dulles Intl (IAD) and 4h 32m via Newark (EWR).

  • What car rental options are available at Boston Logan Intl Airport (BOS)?

    Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:
    · Dollar
    · Hertz
    · Budget
    · Thrifty
    · Sixt

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

    Round-trip flights from Toronto to Boston range from $223 to $370, with an average of $276 over the past 12 months. Anything below $223 counts as a good deal.

  • Which airlines offer Wi-Fi on Toronto to Boston flights?

    Three airlines offer in-flight Wi-Fi on Toronto to Boston flights:

    • • Air Canada
    • • United Airlines
    • • GOL

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Toronto to Boston flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $262 - about $48 less than Sunday (15% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 7 weeks before you fly. On this route, that window historically saves about 48% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Toronto to Boston trip for August. Fares historically average $248 round-trip in that month - typically $98 less than the most expensive month, which is April (based on the last 12 months).
  • If arriving on time is high on your priority list, Air Canada is the strongest pick on this route. 73% of Air Canada flights from Toronto to Boston arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 72%. When flights on this route do arrive late, the average delay is 2 hours 29 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Philadelphia Airport (PHL) can be cheaper than flying direct. The cheapest layover option averages $247 round-trip on this route - about $30 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boston Logan Intl Airport.
    - Embassy Suites by Hilton Boston at Logan Airport
    - Hilton Garden Inn Boston Logan Airport
    - Hyatt Regency Boston Harbor
  • If you are booking flights from Toronto to Boston, there are four major airports that you can depart from. Hamilton International Airport and Region of Waterloo International Airport are both popular choices for those leaving from the suburbs, while Toronto Pearson International Airport and Billy Bishop Toronto City Airport are closer to the city center.
  • For those that are interested in direct flights from Toronto to Boston, make your reservation with either Air Canada, United Airlines or Porter Airlines. Both Air Canada and United Airlines provide travelers with complimentary meals and drinks, while Porter Airlines offers particularly affordable tickets.
  • Travelling to Boston with your family? Make sure to bring your kids to one of the children’s play area that are located in Logan International Airport. Equipped with toys and activities, these play areas are a perfect place for kids to unwind and burn off some energy after a long day of travelling.
  • To relax and pamper yourself after your flight has landed, head to the Classique Salon that is located in Terminal C of Logan International Airport. This salon offers many services including manicures, facials and haircuts, making it a popular place for travelers to treat themselves.
  • If you need somewhere to unwind before your flight takes off from Toronto Pearson International Airport, consider purchasing an entry ticket for one of the various private airline lounges. They offer a variety of amenities including high quality WiFi, TV access and unlimited snacks and drinks.

Prefer to fly direct from Toronto to Boston?

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

Direct departures

Toronto to Boston Logan Intl

Monday

Air Canada,Porter Airlines

Air Canada,Porter Airlines

Tuesday

Air Canada,Porter Airlines

Air Canada,Porter Airlines

Wednesday

Air Canada,Porter Airlines

Air Canada,Porter Airlines

Thursday

Air Canada,Porter Airlines

Air Canada,Porter Airlines

Friday

Air Canada,Porter Airlines

Air Canada,Porter Airlines

Saturday

Air Canada,Porter Airlines

Air Canada,Porter Airlines

Sunday

Air Canada,Porter Airlines

Air Canada,Porter Airlines

See more direct flights

Direct returns

Boston Logan Intl to Toronto

Monday

Air Canada,Porter Airlines

Air Canada,Porter Airlines

Tuesday

Air Canada,Porter Airlines

Air Canada,Porter Airlines

Wednesday

Air Canada,Porter Airlines

Air Canada,Porter Airlines

Thursday

Air Canada,Porter Airlines

Air Canada,Porter Airlines

Friday

Air Canada,Porter Airlines

Air Canada,Porter Airlines

Saturday

Air Canada,Porter Airlines

Air Canada,Porter Airlines

Sunday

Air Canada,Porter Airlines

Air Canada,Porter Airlines

See more direct flights

Everything you need to know for your flight from Toronto to Boston

Information on your arrival and departure airports