Cheapest return flights from Montreal (YUL) to Boston (BOS), July

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
30 Jul 02 Aug Porter Airlines (Canada) Ltd
Direct Flight
29 Jul 05 Aug Porter Airlines (Canada) Ltd
31 Jul 02 Aug Porter Airlines (Canada) Ltd
Direct Flight
27 Jul 03 Aug Porter Airlines (Canada) Ltd
Direct Flight
28 Jul 04 Aug Porter Airlines (Canada) Ltd
Direct Flight
30 Jul 03 Aug Porter Airlines (Canada) Ltd
Direct Flight
25 Jul 26 Jul Porter Airlines (Canada) Ltd
25 Jul 27 Jul Porter Airlines (Canada) Ltd
31 Jul 10 Aug Porter Airlines (Canada) Ltd
31 Jul 16 Aug Porter Airlines (Canada) Ltd
29 Jul 15 Aug Porter Airlines (Canada) Ltd
29 Jul 10 Aug Porter Airlines (Canada) Ltd
25 Jul 26 Jul Air Canada
Direct Flight
25 Jul 27 Jul Air Canada
Direct Flight
28 Jul 29 Jul Porter Airlines (Canada) Ltd
Direct Flight
27 Jul 28 Jul Porter Airlines (Canada) Ltd
Direct Flight
20 Jul 27 Jul Porter Airlines (Canada) Ltd
23 Jul 29 Jul Porter Airlines (Canada) Ltd
Direct Flight
23 Jul 27 Jul Porter Airlines (Canada) Ltd
Direct Flight
18 Jul 25 Jul Porter Airlines (Canada) Ltd
Direct Flight
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deals for one-way flights from Montreal to Boston in July.

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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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