Cheapest return flights from Boston to Calgary in August from $174

Best time to book flights for Boston (BOS) to Calgary (YYC) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to Calgary (YYC) in August 2025 (see full year).

Return flights

20 Aug - 27 Aug WestJet direct
24 Aug - 28 Aug WestJet
17 Aug - 23 Aug Spirit Airlines
17 Aug - 31 Aug Spirit Airlines
31 Aug - 07 Sep WestJet
09 Aug - 16 Aug Porter Airlines (Canada) Ltd
24 Aug - 28 Aug WestJet direct
31 Aug - 07 Sep WestJet direct
17 Aug - 31 Aug WestJet direct
17 Aug - 23 Aug WestJet direct

Also check the deals for one-way flights from Boston to Calgary in August.

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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