Cheapest one-way flights from Boston to Montreal in October from $230

Best time to book flights for Boston (BOS) to Montreal (YUL) flights at AirHint

AirHint found the following cheapest one-way flights from Boston (BOS) to Montreal (YUL) in October 2025 (see full year).

One-Way flights

01 Oct Porter Airlines (Canada) Ltd
02 Oct Porter Airlines (Canada) Ltd
03 Oct Porter Airlines (Canada) Ltd
05 Oct Porter Airlines (Canada) Ltd
06 Oct Porter Airlines (Canada) Ltd
07 Oct Porter Airlines (Canada) Ltd
08 Oct Porter Airlines (Canada) Ltd
09 Oct Porter Airlines (Canada) Ltd
10 Oct Porter Airlines (Canada) Ltd
12 Oct Porter Airlines (Canada) Ltd

Also check the deals for return flights from Boston to Montreal in October.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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