Skip to content
Sign in

Cheap flights from Boston to Toronto

Recently found return fares from $120, with October the cheapest month we know of. Compare dates, then book with the partner you choose.

Cheapest months to fly

Lowest recently found return fare in each month. Tap a month to see that month's calendar.

$120 Oct2026 $193 Jan2027

Boston → Toronto

November 2026

Mon Tue Wed Thu Fri Sat Sun 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
LowerHigherLowest this month

Lowest fares for the best day

  • P3Fri 13 Nov – Sun 15 Nov · Direct · 2h 10m $291
See all flights for these dates

Airports in Toronto

  • YYZPearson
  • YTZBilly Bishop

Airport in Boston

  • BOSLogan

Watch this route

BOS
YTO

We'll ask you to confirm your email. Sign in to manage all alerts in one place.

More trips from Boston

All flights from Boston Toronto to Boston flights
Atlantafrom $145 Orlandofrom $166 Washingtonfrom $181 Miamifrom $197 Chicagofrom $204 RDUfrom $250 New Yorkfrom $265 San Diegofrom $273

FAQ

Questions about this route

Still have a question?

Search the help center or send us a message. We reply by email.

Help center Contact us
01What is the cheapest month to fly from Boston to Toronto?

Based on recently found fares, October 2026 has the lowest price we know of, from $120. Prices change often, so check the calendar for current fares.

02Which airports serve Toronto?

Toronto is served by Pearson (YYZ), Billy Bishop (YTZ). Searching the city code compares all of them at once.

03Are the prices on this page final?

No. They are recently found fares. When you open a deal, the partner shows the live price, including taxes and fees, before you pay.

04How can I get an alert when flights to Toronto get cheaper?

Use the price alert on this page. Choose your dates or a whole month and we will email you when the fare drops.