Cheapest one-way flights from Boston to Montreal in May 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 May 2025 (see full year).

One-Way flights

02 May Porter Airlines (Canada) Ltd
04 May Porter Airlines (Canada) Ltd
06 May Porter Airlines (Canada) Ltd
12 May Porter Airlines (Canada) Ltd
14 May Porter Airlines (Canada) Ltd
16 May Porter Airlines (Canada) Ltd
18 May Porter Airlines (Canada) Ltd
20 May Porter Airlines (Canada) Ltd
22 May Porter Airlines (Canada) Ltd
26 May Porter Airlines (Canada) Ltd

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

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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