$118 Cheap Flights from Boston (BOS) to Toronto (YTO)

View $118 flight on Fri, Dec 12, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Toronto

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Boston to Toronto (BOS-YTO)

Prices were available within the past 7 days and start at $118 for one-way flights and $253 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, Nov 13 - Mon, Nov 17
BOS
Boston
YTZ
Toronto
$253 Roundtrip, found 4 days ago
$253
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, Nov 13 from Boston to Toronto, returning Mon, Nov 17, priced at $253 found 4 days ago
Air Canada
Thu, Sep 4 - Sun, Sep 7
BOS
Boston
YTZ
Toronto
$254 Roundtrip, found 15 hours ago
$254
Roundtrip
found 15 hours ago
Select Air Canada flight, departing Thu, Sep 4 from Boston to Toronto, returning Sun, Sep 7, priced at $254 found 15 hours ago
Porter Airlines
Sun, Sep 14 - Tue, Sep 16
BOS
Boston
YTZ
Toronto
$255 Roundtrip, found 4 days ago
$255
Roundtrip
found 4 days ago
Select Porter Airlines flight, departing Sun, Sep 14 from Boston to Toronto, returning Tue, Sep 16, priced at $255 found 4 days ago
Air Canada
Fri, Aug 29 - Sat, Aug 30
BOS
Boston
YTZ
Toronto
$258 Roundtrip, found 5 days ago
$258
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Aug 29 from Boston to Toronto, returning Sat, Aug 30, priced at $258 found 5 days ago
Porter Airlines
Wed, Aug 27 - Sat, Aug 30
BOS
Boston
YTZ
Toronto
$261 Roundtrip, found 13 hours ago
$261
Roundtrip
found 13 hours ago
Select Porter Airlines flight, departing Wed, Aug 27 from Boston to Toronto, returning Sat, Aug 30, priced at $261 found 13 hours ago
Porter Airlines
Sun, Sep 21 - Sat, Sep 27
BOS
Boston
YTZ
Toronto
$263 Roundtrip, found 5 days ago
$263
Roundtrip
found 5 days ago
Select Porter Airlines flight, departing Sun, Sep 21 from Boston to Toronto, returning Sat, Sep 27, priced at $263 found 5 days ago
Air Canada
Sat, Aug 23 - Fri, Aug 29
BOS
Boston
YTZ
Toronto
$264 Roundtrip, found 5 days ago
$264
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sat, Aug 23 from Boston to Toronto, returning Fri, Aug 29, priced at $264 found 5 days ago
Air Canada
Sat, Sep 20 - Sun, Sep 21
BOS
Boston
YTZ
Toronto
$266 Roundtrip, found 16 hours ago
$266
Roundtrip
found 16 hours ago
Select Air Canada flight, departing Sat, Sep 20 from Boston to Toronto, returning Sun, Sep 21, priced at $266 found 16 hours ago
Delta
Tue, Sep 9 - Wed, Sep 17
BOS
Boston
YYZ
Toronto
$320 Roundtrip, found 1 hour ago
$320
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Sep 9 from Boston to Toronto, returning Wed, Sep 17, priced at $320 found 1 hour ago
WestJet
Mon, Aug 25 - Thu, Aug 28
BOS
Boston
YKF
Kitchener
$1,017 Roundtrip, found 6 days ago
$1,017
Roundtrip
found 6 days ago
Select WestJet flight, departing Mon, Aug 25 from Boston to Kitchener, returning Thu, Aug 28, priced at $1,017 found 6 days ago

Find the cheapest month to fly from Boston (BOS) to Toronto (YTO)

March is typically the cheapest month to fly

From $219 - $425 per traveler.

Graph displaying average flight prices per month

Alternative airports near Toronto

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Pearson Intl. YYZ. Average driving time to city center is 22 minutes. Flights from $314
YYZ
Pearson Intl.
Average driving time to city center22 min
Flights from $314
Select flight to Billy Bishop Toronto City YTZ. Cheapest and Closest option available. Average driving time to city center is 4 minutes. Flights from $291
YTZ
Billy Bishop Toronto City
CheapestClosest
Average driving time to city center4 min
Flights from $291
Select flight to John C. Munro Hamilton Intl. YHM. Average driving time to city center is 1 hour 0 minutes. Flights from $313
YHM
John C. Munro Hamilton Intl.
Average driving time to city center1 h 0 min
Flights from $313
Select flight to Region of Waterloo Intl. YKF. Average driving time to city center is 1 hour 13 minutes. Flights from $293
YKF
Region of Waterloo Intl.
Average driving time to city center1 h 13 min
Flights from $293
Flights from Boston (BOS) to Toronto (YYZ)
Origin airport
Logan Intl.
Destination airport
Pearson Intl.
Roundtrip price
$232
Distance
443 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 November. 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 $118 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 is a flight from Logan Intl. Airport (BOS) to Toronto (YTO-All Airports)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight between Logan Intl. Airport (BOS) and Toronto (YTO-All Airports) was $253. Cheap fares don't last long, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOS to Toronto (YTO-All Airports)?
This varies between air carriers, as each has its own set of terms and conditions. Head to the Customer Service Portal, where there are easy-to-follow instructions on how to cancel online.
How do I find cheap flights from Logan Intl. Airport (BOS) to Toronto (YTO-All Airports) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Logan Intl. Airport (BOS) to Toronto (YTO-All Airports) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Logan Intl. Airport to Toronto (YTO-All Airports)?
The distance from Logan Intl. Airport (BOS) (BOS) to Toronto (YTO-All Airports) (YTO) is 454 mi. You'll be walking down the air bridge and grabbing your baggage from the carousel in no time at all.
Which airlines fly direct from Logan Intl. Airport (BOS) to Toronto (YTO-All Airports)?
A leading airline that services the route from Logan Intl. Airport (BOS) to Toronto (YTO-All Airports) is Porter Airlines (PD). It offers 126 flights every month. Like some more options? Check out what's available with Air Canada (AC). This carrier offers 121 monthly flights between these airports.
Are Logan Intl. Airport (BOS) to Toronto (YTO-All Airports) flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so not always. While last-minute deals between Logan Intl. Airport and Toronto (YTO-All Airports) are of course possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some airlines publicize their prices up to a year prior to the departure date. Expedia is continuously updating the best airfare bargains around, so keep checking and be ready to grab your seat when the price is low.

Explore a world of travel with Expedia

*Available to One Key members.