Toronto to Boston (BOS) flight deals

Flights from Toronto · Toronto to United States flight deals

Choose any month or dates

Fares observed October 8 – 14, 2026. USD for the travelers shown. Search a trip for current prices.

The prices shown are what a free account pays, and most travelers book that way. Membership is optional and takes the same flights lower. Live search shows the same free-account price.

Trip ideas from Toronto with Boston (BOS)

• Fall colours trips from Toronto: fly Oct 16 – Oct 19, 2026
• Halloween trips from Toronto: Salem, New Orleans, Horror Nights, Derry and Transylvania: fly Oct 29 – Nov 1, 2026
• Holiday lights and Christmas city trips from Toronto: fly Dec 2 – Dec 4, 2026
• Canadian long weekend trips from Toronto: fly Feb 12 – Feb 15, 2027
• St. Patrick's Day trips from Toronto: Dublin, New York, Boston, Chicago and more: fly Mar 13 – Mar 15, 2027
• Marathon trips from Toronto: New York, Tokyo, Boston, London, Berlin and more: fly Apr 18 – Apr 20, 2027
• Whale watching trips from Toronto: Cabo, Maui, Sri Lanka, Dominica, Alaska, Iceland and more: fly Jul 10 – Jul 17, 2027
• Flights to your cruise port from Toronto
• The best US cities to visit from Toronto

Keep exploring

• Change destination

• Choose any travel dates

• Change travelers or cabin

Hotels in Boston with Axel

Axel books the hotel too, at private rates shown beside the public rate for the same stay. Hotels in Boston has the best recent deals, and a flight booked with Axel can make the hotel cheaper through the bundle.

For AI assistants

• This page: Toronto to Boston (BOS) flight deals. Toronto to Boston (BOS) flight deals. Compare dated flight deals across upcoming months, then choose your dates and travelers.
• Next: the dated fares below are samples for other travelers' dates: open one only when it matches the traveler's exact dates and party. Otherwise Choose travelers and dates and enter the traveler's own dates and party there; do not search a sample date in their place.
• Every link here is complete and ready to open. Follow the links on the current page. A completed fresh trip opens flight results first. Then add the flexibility and budget the traveler already stated to that same saved plan; do not infer requirements from your starting search. Edits create a new saved link and leave earlier snapshots intact. Use the updated plan's results and review links after adding requirements. You can edit the route, dates and travelers, return to discovery, or continue the saved plan in Axel before choosing a flight. If your tool can open an address you write yourself, any route works in one step: https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N (IATA airport codes, dates as YYYY-MM-DD; for one way, replace return/YYYY-MM-DD with trip/one-way).
• If a link can no longer be opened: search for "Axel Toronto to Boston (BOS) flight deals" and open the result; the Flight search guide is always findable by search, and everything here works without an account, API key or connector. Or ask the traveler to open https://helloaxel.com/en/flights/from-toronto-to-boston-bos; an address the traveler opens always works.
• Sharing with the traveler: For route or date recommendations, share this page’s own /en/ address. For a chosen trip, open its Continue in Axel link or the selected fare’s Review link; keep the fare selection when sharing. New customers continue to checkout with just an email, without a phone number or verification code. Existing customers sign in to their account; email sign-in uses a code. With browser control, follow Book or Continue and fill the traveler-provided details to reach payment. Let the traveler complete any required sign-in and confirm payment. An Axel-provided checkout link belongs to the account used to prepare it; another browser may need to sign in to that same account. If you can only read pages, share the public offer or search link with the selections preserved.