Cheapest return BOS–YUL flights, December

AirHint found the following cheapest return flights from Boston (BOS) to Montreal (YUL) in December 2026 (see full year).

Return flights

01 Dec - 02 Dec Porter Airlines (Canada) Ltd
01 Dec - 04 Dec Porter Airlines (Canada) Ltd
01 Dec - 06 Dec Porter Airlines (Canada) Ltd
01 Dec - 08 Dec Porter Airlines (Canada) Ltd
01 Dec - 10 Dec Porter Airlines (Canada) Ltd
01 Dec - 12 Dec Porter Airlines (Canada) Ltd
01 Dec - 14 Dec Porter Airlines (Canada) Ltd
01 Dec - 03 Dec Porter Airlines (Canada) Ltd
01 Dec - 05 Dec Porter Airlines (Canada) Ltd
01 Dec - 07 Dec Porter Airlines (Canada) Ltd
11 Dec - 01 Jan Porter Airlines (Canada) Ltd
13 Dec - 01 Jan Porter Airlines (Canada) Ltd
13 Dec - 03 Jan Porter Airlines (Canada) Ltd
13 Dec - 02 Jan Porter Airlines (Canada) Ltd
15 Dec - 01 Jan Porter Airlines (Canada) Ltd
15 Dec - 03 Jan Porter Airlines (Canada) Ltd
15 Dec - 05 Jan Porter Airlines (Canada) Ltd
15 Dec - 02 Jan Porter Airlines (Canada) Ltd
15 Dec - 04 Jan Porter Airlines (Canada) Ltd
12 Dec - 01 Jan Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Boston to Montreal in December.

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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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