Cheap flights from Boston to Southern Ontario

View AU$173 flight on Thu, 16 Oct. 2025Opens in a new window

Popular airlines from Boston to Southern Ontario

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Boston (BOS) to Southern Ontario (YTO)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, 12 Sep. - Sun, 14 Sep.
BOS
Boston
YYZ
Toronto
AU$408 Return, found 2 days ago
AU$408
Return
found 2 days ago
Select United flight, departing Fri, 12 Sep. from Boston to Toronto, returning Sun, 14 Sep., priced at AU$408 found 2 days ago
Air Canada
Fri, 12 Sep. - Sun, 14 Sep.
BOS
Boston
YTZ
Toronto
AU$410 Return, found 2 days ago
AU$410
Return
found 2 days ago
Select Air Canada flight, departing Fri, 12 Sep. from Boston to Toronto, returning Sun, 14 Sep., priced at AU$410 found 2 days ago
Air Canada
Tue, 14 Oct. - Wed, 15 Oct.
BOS
Boston
YTZ
Toronto
AU$414 Return, found 5 days ago
AU$414
Return
found 5 days ago
Select Air Canada flight, departing Tue, 14 Oct. from Boston to Toronto, returning Wed, 15 Oct., priced at AU$414 found 5 days ago
Porter Airlines
Tue, 14 Oct. - Wed, 15 Oct.
BOS
Boston
YTZ
Toronto
AU$421 Return, found 5 days ago
AU$421
Return
found 5 days ago
Select Porter Airlines flight, departing Tue, 14 Oct. from Boston to Toronto, returning Wed, 15 Oct., priced at AU$421 found 5 days ago
Delta
Thu, 2 Oct. - Wed, 8 Oct.
BOS
Boston
YYZ
Toronto
AU$461 Return, found 2 days ago
AU$461
Return
found 2 days ago
Select Delta flight, departing Thu, 2 Oct. from Boston to Toronto, returning Wed, 8 Oct., priced at AU$461 found 2 days ago
Cape Air
Tue, 29 Jul. - Mon, 4 Aug.
EWB
New Bedford
YYZ
Toronto
AU$1,548 Return, found 1 hour ago
AU$1,548
Return
found 1 hour ago
Select Cape Air flight, departing Tue, 29 Jul. from New Bedford to Toronto, returning Mon, 4 Aug., priced at AU$1,548 found 1 hour ago

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

April is typically the cheapest month to fly

From AU$322 - AU$607 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.