$115 Cheap Flights from Boston (BOS) to Toronto (YTZ)

View $115 flight on Thu, Aug 21, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Billy Bishop Toronto City Airport (YTZ)

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Find available prices by choosing your travel dates.

Cheap Flights from Boston to Toronto (BOS-YTZ)

Prices were available within the past 7 days and start at $115 for one-way flights and $255 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Porter Airlines
Sun, Jun 15 - Wed, Jun 18
BOS
Boston
YTZ
Toronto
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select Porter Airlines flight, departing Sun, Jun 15 from Boston to Toronto, returning Wed, Jun 18, priced at $255 found 1 day ago
Porter Airlines
Wed, May 14 - Fri, May 23
BOS
Boston
YTZ
Toronto
$256 Roundtrip, found 1 hour ago
$256
Roundtrip
found 1 hour ago
Select Porter Airlines flight, departing Wed, May 14 from Boston to Toronto, returning Fri, May 23, priced at $256 found 1 hour ago
Porter Airlines
Fri, Aug 1 - Wed, Aug 6
BOS
Boston
YTZ
Toronto
$256 Roundtrip, found 20 hours ago
$256
Roundtrip
found 20 hours ago
Select Porter Airlines flight, departing Fri, Aug 1 from Boston to Toronto, returning Wed, Aug 6, priced at $256 found 20 hours ago
Porter Airlines
Fri, Jul 11 - Mon, Jul 14
BOS
Boston
YTZ
Toronto
$257 Roundtrip, just found
$257
Roundtrip
just found
Select Porter Airlines flight, departing Fri, Jul 11 from Boston to Toronto, returning Mon, Jul 14, priced at $257 just found
Porter Airlines
Wed, May 14 - Fri, May 23
BOS
Boston
YTZ
Toronto
$261 Roundtrip, found 1 hour ago
$261
Roundtrip
found 1 hour ago
Select Porter Airlines flight, departing Wed, May 14 from Boston to Toronto, returning Fri, May 23, priced at $261 found 1 hour ago
Porter Airlines
Fri, Jul 11 - Mon, Jul 14
BOS
Boston
YTZ
Toronto
$263 Roundtrip, just found
$263
Roundtrip
just found
Select Porter Airlines flight, departing Fri, Jul 11 from Boston to Toronto, returning Mon, Jul 14, priced at $263 just found
Porter Airlines
Wed, May 14 - Wed, May 28
BOS
Boston
YTZ
Toronto
$266 Roundtrip, found 6 days ago
$266
Roundtrip
found 6 days ago
Select Porter Airlines flight, departing Wed, May 14 from Boston to Toronto, returning Wed, May 28, priced at $266 found 6 days ago
Porter Airlines
Wed, May 7 - Tue, May 13
BOS
Boston
YTZ
Toronto
$266 Roundtrip, found 6 days ago
$266
Roundtrip
found 6 days ago
Select Porter Airlines flight, departing Wed, May 7 from Boston to Toronto, returning Tue, May 13, priced at $266 found 6 days ago
Air Canada
Sat, Jun 7 - Fri, Jun 13
BOS
Boston
YTZ
Toronto
$274 Roundtrip, found 5 days ago
$274
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sat, Jun 7 from Boston to Toronto, returning Fri, Jun 13, priced at $274 found 5 days ago
Air Transat
Thu, Jun 19 - Thu, Jun 26
BOS
Boston
YTZ
Toronto
$276 Roundtrip, found 20 hours ago
$276
Roundtrip
found 20 hours ago
Select Air Transat flight, departing Thu, Jun 19 from Boston to Toronto, returning Thu, Jun 26, priced at $276 found 20 hours ago
Flights from Boston (BOS) to Toronto (YTZ)
Origin airport
Logan Intl.
Destination airport
Billy Bishop Toronto City
Airlines serving
Air Canada, Air Transat, Porter Airlines
Roundtrip price
$254
Distance
432 mi

Boston to Toronto Flights

The cheapest times to fly from Boston to Toronto

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Toronto are during the month of June. You can find some of the cheapest flights from Boston to Toronto with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Boston to Toronto

Sunday is one of the best days to book for cheap flights from Boston to Toronto: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Boston to Toronto

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Toronto in 2025. You can also book with separate airlines for your outbound and return journeys, from $115 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Toronto flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Toronto airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Billy Bishop Toronto City Airport (YTZ) cost?
Cheap return flights from Logan Intl. Airport (BOS) to Billy Bishop Toronto City Airport (YTZ) start from $271. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Porter Airlines and Air Canada flight leaving BOS on May 17 2025 and touching down at YTZ. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from BOS to YTZ?
The cheapest flights from BOS to YTZ are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Logan Intl. Airport (BOS) to Billy Bishop Toronto City Airport (YTZ)?
Board a nonstop flight with Porter Airlines and journey straight from Logan Intl. Airport (BOS) to Billy Bishop Toronto City Airport (YTZ).
What is the cheapest airline that flies from BOS to YTZ?
With fares starting at $122 for a one-way flight from BOS to YTZ, Porter Airlines is currently the cheapest carrier operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BOS on June 28 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Logan Intl. Airport (BOS) to Billy Bishop Toronto City Airport (YTZ)?
Each day on average, 2 nonstop flights operate from Logan Intl. Airport (BOS) to Billy Bishop Toronto City Airport (YTZ). Select the departure time that best suits your travel plans.
What are the most popular departure times for flights from Logan Intl. Airport (BOS) to Billy Bishop Toronto City Airport (YTZ)?
The 7 PM departures from BOS to YTZ are the most sought after. Greater demand means you’ll likely pay more for these departures. If you want to save money, book during off-peak hours.
What day of the week has the most flights from BOS to YTZ?
Travel on a Friday if you’re searching for the best choice of flights from Logan Intl. Airport (BOS) to Billy Bishop Toronto City Airport (YTZ).
What is the earliest flight from Logan Intl. Airport (BOS) to Billy Bishop Toronto City Airport (YTZ)?
Catch the earliest flight at around 7:05AM UTC-5, departing from Logan Intl. Airport (BOS). You’ll be traveling for approximately 1h 59m, landing at Billy Bishop Toronto City Airport (YTZ) at approximately 9:04AM UTC-5.
How long does it take to fly from Logan Intl. Airport (BOS) to Billy Bishop Toronto City Airport (YTZ)?
It takes approximately 1 hour and 59 minutes to travel the 430 mi from BOS to YTZ.
What is the best time to fly from Logan Intl. Airport (BOS) to Billy Bishop Toronto City Airport (YTZ)?
To avoid possible delays on the Logan Intl. Airport (BOS) to Billy Bishop Toronto City Airport (YTZ) route, travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Toronto from Logan Intl. Airport (BOS)?
Logan Intl. Airport (BOS) offers direct flights to Toronto. These are some of the airports you can fly to without layovers:

  • Pearson Intl. Airport (YYZ)
  • Billy Bishop Toronto City Airport (YTZ)
  • Buffalo Niagara Intl. Airport (BUF)

Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Billy Bishop Toronto City Airport (YTZ) last-minute?
Waiting until right before your break to book a ticket from BOS to YTZ generally means paying more. While it’s possible to find some last-minute offers, they’re not always guaranteed. Keep your travel schedule open to maximize your chances of getting a bargain.
Is it cheaper to book a BOS to YTZ flight and hotel package?
Securing a BOS to YTZ flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Billy Bishop Toronto City Airport (YTZ)?
Generally, it’s possible to cancel or reschedule your BOS to YTZ flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.