BOS - YTO

C$ 134 Find Cheap Flights from Boston to Toronto – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Toronto departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Everything you should know

Cheapest round-trip
C$ 279
Typical prices: C$ 341-C$ 540
Porter Airlines, Air Canada
Thu 17/9Sun 20/9
BOS - YTZ • Direct
Cheapest one-way flights
C$ 134
Typical prices: C$ 183-C$ 288
Air Canada
Thu 10/9
BOS - YTZ • 1 stop
Advice from real travellers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Porter adds no middle seats and free drinks, a strong perk on Boston-Toronto flights.
Air Canada sells Preferred Economy seats; Wi-Fi is only on some flights.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from C$ 285 (round-trip)
Best reviews • 8.0 score
Airline reviews
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Direct flights
You can fly direct with Air Canada and Porter Airlines. Average duration is 1h 54m
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Top routes
Cheapest • 17% average savings
Most popular
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Avoid delays
Most punctual • 78% on-time
Best time • Fewest delays
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When to book
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 43% compared to booking last minute.
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When to travel
Cheapest • 14% price drop
Most popular
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Flight Deals

Cheap Flights from Boston to Toronto (BOS-YTO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Toronto that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Toronto

Thu, 17 Sep - Sun, 20 Sep
Multiple Airlines Logo
7:00 a.m. - 8:47 a.m.
BOS
-
YTZ
1h 47mdirect
Multiple Airlines Logo
7:15 a.m. - 8:52 a.m.
YTZ
-
BOS
1h 37mdirect
C$ 279Multiple Airlines
Thu, 17 Sep - Sun, 20 Sep
Multiple Airlines Logo
8:25 p.m. - 10:12 p.m.
BOS
-
YTZ
1h 47mdirect
Multiple Airlines Logo
5:30 p.m. - 9:26 p.m.
YTZ
-
BOS
3h 56m
1 stop
C$ 282Multiple Airlines
Wed, 9 Sep - Wed, 16 Sep
Multiple Airlines Logo
7:40 p.m. - 9:39 p.m.
BOS
-
YTZ
1h 59mdirect
Multiple Airlines Logo
6:00 p.m. - 7:41 p.m.
YTZ
-
BOS
1h 41mdirect
C$ 282Multiple Airlines
Thu, 3 Sep - Sun, 6 Sep
Air Canada Logo
9:35 a.m. - 11:34 a.m.
BOS
-
YTZ
1h 59mdirect
Air Canada Logo
7:15 a.m. - 8:52 a.m.
YTZ
-
BOS
1h 37mdirect
C$ 285Air Canada
Wed, 9 Sep - Wed, 16 Sep
Porter Airlines Logo
5:30 p.m. - 7:17 p.m.
BOS
-
YTZ
1h 47mdirect
Porter Airlines Logo
8:50 a.m. - 10:30 a.m.
YTZ
-
BOS
1h 40mdirect
C$ 288Porter Airlines
Thu, 10 Sep - Thu, 17 Sep
Multiple Airlines Logo
2:45 p.m. - 4:44 p.m.
BOS
-
YTZ
1h 59mdirect
Multiple Airlines Logo
8:50 a.m. - 10:30 a.m.
YTZ
-
BOS
1h 40mdirect
C$ 288Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Porter Airlines Logo
11:10 a.m. - 12:57 p.m.
BOS
-
YTZ
1h 47mdirect
Porter Airlines Logo
6:00 p.m. - 7:41 p.m.
YTZ
-
BOS
1h 41mdirect
C$ 289Porter Airlines
Thu, 3 Sep - Sun, 6 Sep
Air Canada Logo
2:45 p.m. - 4:44 p.m.
BOS
-
YTZ
1h 59mdirect
Air Canada Logo
5:30 p.m. - 9:27 p.m.
YTZ
-
BOS
3h 57m
1 stop
C$ 289Air Canada
Tue, 8 Sep - Tue, 15 Sep
Porter Airlines Logo
5:30 p.m. - 7:17 p.m.
BOS
-
YTZ
1h 47mdirect
Porter Airlines Logo
3:05 p.m. - 4:46 p.m.
YTZ
-
BOS
1h 41mdirect
C$ 289Porter Airlines
Thu, 3 Sep - Sun, 6 Sep
Air Canada Logo
6:00 a.m. - 7:55 a.m.
BOS
-
YYZ
1h 55mdirect
Air Canada Logo
8:55 p.m. - 10:38 p.m.
YYZ
-
BOS
1h 43mdirect
C$ 295Air Canada
Booking Insights

KAYAK's insights & trends for Boston to Toronto flights

Get data-powered insights and trends into flights from Boston to Toronto to help you find the cheapest flights, the best time to fly and much more.

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

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Boston to Toronto departing in September.

Flight prices are below average for this route right now.

Flights to Toronto from Boston usually cost between C$ 357 and C$ 623 in September.
The lowest price found in the past 5 days was C$ 279 on Multiple Airlines (17 Sep–20 Sep).

What is the cheapest Boston to Toronto flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The absolute cheapest return flight from Boston to Toronto costs C$ 203 on the route between Boston (BOS) and Toronto Pearson Intl Airport (YYZ). However, over the past month, flights between Boston (BOS) and Toronto Island Airport (YTZ) were, on average, 17% cheaper than other Boston-Toronto routes. The most popular route is between Boston (BOS) and Toronto Pearson Intl Airport (YYZ).

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

The average price of all round-trip flights from Boston to Toronto clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Boston to Toronto, look for departures on Sundays and avoid leaving on a Monday, as it's usually the priciest day. When flying back from Toronto, Thursday is the cheapest day to fly and Tuesday is the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to Toronto, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boston to Toronto is July, where tickets cost C$ 409 (return) on average. On the other hand, the most expensive months are April and March, where the average cost of round-trip tickets is C$ 543 and C$ 506 respectively.

Can I save money by flying with a layover from Boston to Toronto?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at C$ 237 on average.

How far in advance should I book a flight from Boston to Toronto?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boston to Toronto, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Boston to Toronto, you should book around 4 weeks before departure, which saves you about 43% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Expert advice

Expert advice for your flight from Boston to Toronto

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
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.

Stefanie Waldek

Stefanie Waldek

Expert on Air Canada

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.

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.

Mark Stachiew

Mark Stachiew

Expert on YYZ

Mark Stachiew has been exploring the world and writing about it for more than 30 years. His travel stories have appeared in numerous newspapers, magazines and online publications in Canada, the United States and beyond.

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.

Good to know

Low season

January

Cheapest flight

C$ 134
Best time to beat the crowds (9% less expensive on average)
Most popular time to fly (4% more expensive on average)
Flight from Boston to Toronto Pearson Airport

When to book flights from Boston to Toronto

Are your dates flexible? Find out the best times to travel from Boston to Toronto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boston to Toronto

  • What's a good way to get from Toronto Pearson Airport to Downtown Toronto after my flight?

    One of the best choices is the UP Express light rail service that makes the trip in about 25min. The fare to ride this train is about C$12.50 ($10) and it runs from early morning until after midnight every day of the week. The train makes its final stop at Union Station in Downtown Toronto.

  • Are there any non-stop flights between Boston and Toronto?

    Porter Airlines, Air Canada, United Airlines, and Delta Air Lines all offer non-stop flights between Boston and Toronto.

  • Is there a hotel near Toronto Pearson Airport?

    One convenient option is the Courtyard by Marriott Toronto Airport. This is a newly renovated hotel and is one of the closest hotels to the airport and offers access to the Airport Corporate West Business Park. All of the rooms here have free high-speed wireless internet and there's a shuttle service to and from the airport.

  • Is there a quick and inexpensive way to get from Downtown Boston to Boston Logan Airport?

    A great choice is the Blue Line Subway that offers service from a number of locations in the Boston area, including Downtown Boston to Boston Logan Airport. The cost to ride the train is around $2.

  • What is the cheapest flight from Boston to Toronto?

    In the last 5 days, the lowest price for a flight from Boston to Toronto was C$ 134 for a one-way ticket and C$ 279 for a round-trip.

  • Which airlines offer Wi-Fi service onboard planes from Boston to Toronto?

    Air Canada, United Airlines, and JetBlue offer inflight Wi-Fi service on the Boston to Toronto flight route.

  • Which aircraft models fly most regularly from Boston to Toronto?

    The De Havilland (Bombardier) DHC-8-400 Dash 8Q is the aircraft model that flies most regularly on the Boston to Toronto flight route.

  • Which airline alliances offer flights from Boston to Toronto?

    Star Alliance is the only airline alliance operating flights between Boston and Toronto.

  • On which days can I fly direct from Boston to Toronto?

    There are direct flights from Boston to Toronto on a daily basis.

  • Which is the best airline for flights from Boston to Toronto, Porter Airlines or Air Canada?

    The two airlines most popular with KAYAK users for flights from Boston to Toronto are Porter Airlines and Air Canada. With an average price for the route of C$ 413 and an overall rating of 8.0, Porter Airlines is the most popular choice. Air Canada is also a great choice for the route, with an average price of C$ 424 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Boston to Toronto?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Toronto.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Toronto?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Toronto from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Toronto?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Toronto with an airline and back to Boston with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Toronto?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Toronto from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Boston to Toronto

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 166 or less one-way and C$ 319 or less round-trip.
  • For a unique way to get to Boston Logan Airport (BOS), try the Rowes Wharf Water Transport. This water taxi serves the entire length of the Boston waterfront and provides direct service to Logan Airport.
  • If someone is going to be picking you up at Toronto Pearson Airport (YYZ) after your flight from Boston, the airport recommends that you use their Express Pass parking option. There are Express Pass lots at both terminals and they allow drivers to wait for up to 18min with no charge. This is a great way to meet passengers arriving on flights without having to go to the terminal building.
  • If you need to get some work done or want to spend some time browsing websites before your flight to Toronto, the Boston Logan Airport provides free wireless internet access throughout the entire airport.
  • Toronto Pearson Airport offers several nursing pods that can be found in several locations throughout both terminal buildings. These pods offer folding tables, a couple of benches, a mirror, as well as a power outlet, and a USB port for charging your electronic devices.
  • If you have some time before your flight to Toronto and want to spend a little time browsing, Boston Logan Airport offers a host of shopping choices. These range from the high-tech gifts of Brookstone, to the books, magazines, and personal sundries of Hudson Booksellers, to the uniquely specific regional choices of New England Collections.
  • If you plan on renting a car at Toronto Pearson Airport, you’ll be happy to know that most major car rental companies have service at the airport. You will find car rental counter locations on Level 1 of Terminal 1 as well as in the parking garage is of Terminal 3.

Prefer to fly direct from Boston to Toronto?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Boston Logan Intl to Toronto.
Find which airlines fly direct from Boston Logan Intl Airport to Toronto, which days they fly and book direct flights.

Direct departures

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 nonstop flights

Direct returns

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 nonstop flights

Reviews of the top airlines flying from Boston to Toronto

 
See real verified KAYAK customer reviews for airlines flying from Boston to Toronto. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boston to Toronto? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Porter AirlinesOverall score based on 449 reviews
7.5Food
8.0Comfort
8.2Boarding
8.6Crew
6.9Entertainment
Airline reviews

A few improvements: 1. No signages at the airport that the porter airline was a codeshare and i could check-in at American counter. 2. Crew at the gate said they couldn't change my reward to Alaska - despite that being done previously 3. Despite there being many open seats, i was assigned a seat at the very back near lavatory, last row. Fortunately, the pilot wanted more people moved up so the flight attendants moved me up. It seemed very odd to have been stuck in last row with very few people nearby..

6.0 GoodHarsh, Apr 2026
JFK - YYZ
Read more Porter Airlines reviews

A few improvements: 1. No signages at the airport that the porter airline was a codeshare and i could check-in at American counter. 2. Crew at the gate said they couldn't change my reward to Alaska - despite that being done previously 3. Despite there being many open seats, i was assigned a seat at the very back near lavatory, last row. Fortunately, the pilot wanted more people moved up so the flight attendants moved me up. It seemed very odd to have been stuck in last row with very few people nearby..

Much roomer than air Canada! Great flight for the price. No complaints

As a first time flyer with Porter I was happy with the service and comfort of the airline.

Other than wifi no on board entertainment. Will use them again, roomier seats than other airlines and snacks and beverages, better than average

The flight was half empty yet they charged me $50 for a basic carry on! I saw how passengers of different colors were treated differently.

There was a 5 hour delay. Missed connection and now an almost 21 hour lay over!

Three hours on the tarmac with almost zero communication from the cockpit. Not when offered a water in the interim. In my 67 years of flying all over the world the worst experience ever. The plane was half empty, however had to pay for seats to sit next to my girlfriend. Extra to take a carry on. I would never fly Porter again even for free.

Flight was delayed over 2 hours, then landed at a different airport!

Porter was excellent. Boarding was a breeze. The seats were a little uncomfortably but the overall trip was excellent.

travelling in 14th of April and now we are in 17th , I have not received my lost/delayed bag... this is very bad and the worst part is their call center is not able to see where is it!!!!

Pearson Airport could not properly handle all the passengers who they needed to process in order to properly get them on board. As a result, I missed the departure of my flight from Toronto. The only saving grace is that Air Canada found a flight that only delayed me by one hour. However, this was no thanks to Pearson Airport!

The staff could have been friendlier. And Having the flight on time would have been much more convenient.

Hard to criticize after the Crowd Strike dilemma. However, when Air Canada says they were "not affected," I expect that is true. My flight delays caused me to miss transportation connections. I understand these things happen, but I don't have to "like it."

Not good. Flight delay. No entertainment. No screen. No food. Warm water to drink. Early in flight. Awful dirty bathrooms. More flight delays!

The original flight from Boston to Toronto was canceled because of a mechanical failure. I was then scheduled on a flight to go from Boston to Montreal and then Montreal to Toronto. The flight was extremely full and I had to check my carry-on bag. When I actually got on the plane there appeared to be room for my bag. I understand the mechanical failures happen. But it was frustrating that they pestered me to check my bag when I don't believe it was necessary. Additionally, not just with Air Canada, modern airline seats are incredibly uncomfortable. There is considerable research that shows that the shape of them is poor for back health.

New Airbus 220 with all the amenities. Not sure why hot beverages were not served as flight turned out to be very smooth…

We were delayed over six hours. It was horrible. They kept delaying the flight further every 15 minutes the whole time so we were kept in limbo.

When my plane landed in Toronto, deplaning was delayed due to terminal security issue. I had a somewhat tight connection flight to St. Vincent, and no one from Air Canada ground crew made any effort to notify my connection flight gate of the issue although I plead with several ground crew members to notify desk at departing gate.

At boarding I can’t make out what the intercom is saying at boarding.

They did a fine job. I bid on the auction and won a business class seat. Service and food were fine.

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

Information on your arrival and departure airports