Cheapest one-way flights from Montreal (YUL) to Boston (BOS), May

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Dates, airline, and price
Dates Airline Price
02 May Porter Airlines (Canada) Ltd
04 May Porter Airlines (Canada) Ltd
06 May Porter Airlines (Canada) Ltd
08 May Porter Airlines (Canada) Ltd
10 May Porter Airlines (Canada) Ltd
01 May Porter Airlines (Canada) Ltd
03 May Porter Airlines (Canada) Ltd
05 May Porter Airlines (Canada) Ltd
07 May Porter Airlines (Canada) Ltd
09 May Porter Airlines (Canada) Ltd
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deals for return flights from Montreal to Boston in May.

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Updated Jul 12, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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