YTO - BOS

$128 Find Cheap Flights from Toronto to Boston - Compare and Save

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Everything you should know

Cheapest round-trip
$189
Typical prices: $227-$380
Air Canada
Sat 10/27Tue 10/30
YYZ - BOS • Non-stop
Cheapest one-way
$128
Typical prices: $159-$327
Porter Airlines
Sat 10/27
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 42m
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 4% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 72% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 45% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 9% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $269 (round-trip)
Shortest trip • 4h 08m (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

Tue, Oct 27 - Fri, Oct 30
Air Canada Logo
8:55 pm - 10:37 pmYYZ  Toronto Pearson Intl-BOS Boston Logan Intl
1h 42mnonstop
Air Canada Logo
5:45 am - 7:50 amBOS  Boston Logan Intl-YYZ Toronto Pearson Intl
2h 05mnonstop
$189Air Canada
Sat, Oct 24 - Tue, Oct 27
Air Canada Logo
10:05 am - 11:50 amYYZ  Toronto Pearson Intl-BOS Boston Logan Intl
1h 45mnonstop
Air Canada Logo
5:45 am - 7:50 amBOS  Boston Logan Intl-YYZ Toronto Pearson Intl
2h 05mnonstop
$189Air Canada
Sat, Oct 24 - Sat, Oct 31
Porter Airlines Logo
7:25 am - 9:05 amYYZ  Toronto Pearson Intl-BOS Boston Logan Intl
1h 40mnonstop
Porter Airlines Logo
1:10 pm - 7:05 pmBOS  Boston Logan Intl-YYZ Toronto Pearson Intl
5h 55m1 stop Ottawa
$190Porter Airlines
Tue, Oct 27 - Fri, Oct 30
Porter Airlines Logo
5:20 pm - 7:10 pmYYZ  Toronto Pearson Intl-BOS Boston Logan Intl
1h 50mnonstop
Porter Airlines Logo
5:25 pm - 7:35 pmBOS  Boston Logan Intl-YYZ Toronto Pearson Intl
2h 10mnonstop
$193Porter Airlines
Sat, Oct 24 - Sun, Oct 25
Multiple Airlines Logo
11:00 am - 7:22 pmYYZ  Toronto Pearson Intl-BOS Boston Logan Intl
8h 22m1 stop Chicago O'Hare Intl
Multiple Airlines Logo
5:30 am - 10:46 amBOS  Boston Logan Intl-YYZ Toronto Pearson Intl
5h 16m1 stop Montreal Pierre Elliott Trudeau Intl
$236Multiple Airlines
Fri, Oct 23 - Sun, Oct 25
Multiple Airlines Logo
4:55 pm - 6:35 pmYYZ  Toronto Pearson Intl-BOS Boston Logan Intl
1h 40mnonstop
Multiple Airlines Logo
5:30 am - 10:46 amBOS  Boston Logan Intl-YYZ Toronto Pearson Intl
5h 16m1 stop Montreal Pierre Elliott Trudeau Intl
$237Multiple Airlines
Sat, Oct 24 - Sat, Oct 31
United Airlines Logo
7:00 am - 2:07 pmYYZ  Toronto Pearson Intl-BOS Boston Logan Intl
7h 07m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 2:03 pmBOS  Boston Logan Intl-YYZ Toronto Pearson Intl
8h 03m1 stop Chicago O'Hare Intl
$249United Airlines
Sat, Oct 24 - Tue, Oct 27
United Airlines Logo
11:00 am - 7:22 pmYYZ  Toronto Pearson Intl-BOS Boston Logan Intl
8h 22m1 stop Chicago O'Hare Intl
United Airlines Logo
9:12 am - 4:47 pmBOS  Boston Logan Intl-YYZ Toronto Pearson Intl
7h 35m1 stop Chicago O'Hare Intl
$249United Airlines
Fri, Oct 30 - Sun, Nov 1
Air Transat Logo
2:20 pm - 3:52 pmYTZ  Toronto Island-BOS Boston Logan Intl
1h 32mnonstop
Air Transat Logo
8:00 am - 9:54 amBOS  Boston Logan Intl-YTZ Toronto Island
1h 54mnonstop
$295Air Transat
Fri, Oct 30 - Sun, Nov 1
Air Transat Logo
2:20 pm - 3:52 pmYTZ  Toronto Island-BOS Boston Logan Intl
1h 32mnonstop
Air Transat Logo
8:00 am - 9:54 amBOS  Boston Logan Intl-YTZ Toronto Island
1h 54mnonstop
$296Air Transat
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 with more confidence.

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

Round-trip flights from Toronto to Boston typically range from $227 to $380. The lowest price found in the past 5 days was $189, on Air Canada.

What is the cheapest Toronto to Boston flight route?

There's little price difference between Toronto to Boston routes. They average around $279 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?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Toronto to Boston. It’s 4% cheaper than the average day, while Monday is the most expensive, with prices 9% higher.

What’s the cheapest month to fly from Toronto to Boston?

•July is the cheapest month to fly from Toronto to Boston at $257 round-trip.
•April ($344) and January ($329) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 33% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Toronto to Boston the cheapest?

Flights from Toronto to Boston are cheapest 4 weeks before departure. Booking in this window typically costs about 45% 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

$128
Beat the crowds with an average 43% drop in travelers.
The most popular month to fly with an average 61% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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 8:57 am
    • Latest: departs at 8:55 pm and lands at 10:37 pm.

    The flight takes about 1h 42m.

  • 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 long is a flight from Toronto to Boston?

    A nonstop flight from Toronto to Boston takes 1h 42m, 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.

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

    Round-trip flights from Toronto to Boston range from $227 to $380, with an average of $282 over the past 12 months. Anything below $227 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 56% above the $282 route average. Book 4 weeks before departure for the lowest fares.

  • 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 $269 round-trip via Ottawa (YOW), compared to $282 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 $22–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

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

    Morning is the busiest departure period on Toronto to Boston flights, with 40% of flights leaving in that window. Afternoon departures account for 30%, evening flights for 30%, and night flights for 0%.

  • 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 $189 to $1,379. That means the highest observed fare was about 7x higher than the lowest one.

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

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

    • Air Canada
    • United Airlines
    • TAP AIR PORTUGAL
    • ITA Airways

    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.

  • 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 $141, which is 36% below the typical average for this route.

  • 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

  • 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).

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

    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 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 2h 01m.

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

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

    • Montreal Pierre Elliott Trudeau Intl (YUL) - 26% of one-stop connections
    • Ottawa (YOW) - 24% of one-stop connections
    • Newark (EWR) - 17% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 11% of one-stop connections

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

    Yes. Flexible dates can save you up to 12% on flights from Toronto to Boston. Tuesday is the cheapest departure day at $273 round-trip on average, while Monday is the most expensive at $310, a difference of $37.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly 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

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

    Flying via Washington, D.C. Dulles Intl (IAD) gives the shortest average 1-stop total travel time at 4h 08m, compared with 4h 27m via New York LaGuardia (LGA) and 4h 32m via Newark (EWR).

  • What popular places can I visit in Boston?

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

  • 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
    • 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.

  • 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 always check the fare details before booking.

  • 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.

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 are flexible, aim for a Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average $273, about $37 less than Monday fares (12% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 4 weeks before you fly. On this route, that window historically saves about 45% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Toronto to Boston trip for July. Fares historically average $257 round-trip in that month - typically $87 less than the most expensive month, which is April (based on the last 12 months).
  • For the best chance of arriving on time, fly with Air Canada. Over the past three months, 72% of Air Canada flights from Toronto to Boston arrived on time, slightly above the route average of 72%. When flights on this route arrive late, they're delayed by an average of 2h 01m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Ottawa Airport (YOW) can be cheaper than flying direct. The cheapest layover option averages $269 round-trip on this route - about $13 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.

    • Hyatt Regency Boston Harbor
    • Hilton Boston Logan Airport
    • Hilton Garden Inn Boston Logan Airport
  • 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

More options for your flight from Toronto to Boston

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