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Find cheap one-way flights from Boston to Toronto starting at US$58.

Book one-way or return flights from Boston to Toronto from as little as US$58. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Boston to Toronto?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Boston to Toronto

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Lynx Air
From US$58
Porter Airlines
From US$96
Frontier Airlines
From US$114
United Airlines
From US$123
Spirit Airlines
From US$124
American Airlines
From US$128
Air Canada
From US$135
Delta Air Lines
From US$136
Jetblue Airways
From US$138
Southwest Airlines
From US$180
ANA airlines

Find more flights and airlines

Find cheap flights from Boston to Toronto by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Boston to Toronto.

  • Cheapest
    Lynx Air
    BOS
    10:10
    1h 53m
    Direct
    YYZ
    12:03
    General Edward Lawrence Logan International Airport - Toronto Pearson International Airport
    Fri, Apr 19Lynx Air
    US$58
  • Porter Airlines
    BOS
    11:30
    1h 59m
    Direct
    YTZ
    13:29
    General Edward Lawrence Logan International Airport - Billy Bishop Toronto City Airport
    Wed, Mar 20Porter Airlines
    US$96
  • Spirit Airlines
    BOS
    06:05
    8h 25m
    1 transfer
    YHM
    14:30
    General Edward Lawrence Logan International Airport - Hamilton John C. Munro International Airport
    Fri, Mar 29Spirit Airlines
    US$140
  • Spirit Airlines
    BOS
    06:05
    8h 25m
    1 transfer
    YHM
    14:30
    General Edward Lawrence Logan International Airport - Hamilton John C. Munro International Airport
    Fri, Mar 29Spirit Airlines
    US$140
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Boston (BOS) to Toronto (YTO) the cheapest?

    Airlines adjust prices for flights from Boston to Toronto based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Boston (BOS) to Toronto (YTO) cost?

    According to Trip.com's data, the lowest price is around $319.
  • How long does it take to fly from Boston (BOS) to Toronto (YTO) and what is the distance?

    It takes around 1 hour 55 minutes to fly from Boston (BOS) to Toronto (YTO).
  • What is the transportation method from the main airport to downtown in Toronto?

    • The distance from Toronto Pearson International Airport to downtown is about 18km. It takes about 30 minutes by taxi.
    • The distance from Billy Bishop Toronto City Airport to downtown is about 2km. It takes about 20 minutes by taxi.
  • What are the most popular airlines that fly from Boston (BOS) to Toronto (YTO)?

    Airlines with flights from Boston (BOS) to Toronto (YTO): Air Canada, Porter Airlines, United Airlines, TAP Air Portugal, Turkish Airlines and Emirates.

Boston to Toronto Flight Information

Cheapest nonstop flight price

$57

Cheapest round-trip ticket price

$144

Off-season for travel

January

Peak season for travel

June

What You Should Know about Flights from Boston to Toronto