Cheapest return flights from Boston to Calgary in August from $287

AirHint found the following cheapest return flights from Boston (BOS) to Calgary (YYC) in August 2026 (see full year).

Return flights

29 Aug - 10 Sep WestJet
28 Aug - 09 Sep WestJet direct
29 Aug - 09 Sep WestJet
29 Aug - 09 Sep WestJet direct
29 Aug - 10 Sep WestJet direct
27 Aug - 03 Sep WestJet
03 Aug - 14 Aug WestJet direct
02 Aug - 06 Aug WestJet
28 Aug - 13 Sep Porter Airlines (Canada) Ltd
28 Aug - 16 Sep Porter Airlines (Canada) Ltd
28 Aug - 10 Sep Porter Airlines (Canada) Ltd
27 Aug - 13 Sep Porter Airlines (Canada) Ltd
02 Aug - 06 Aug WestJet direct
01 Aug - 14 Aug Porter Airlines (Canada) Ltd
01 Aug - 06 Aug Porter Airlines (Canada) Ltd
03 Aug - 06 Aug Porter Airlines (Canada) Ltd
02 Aug - 14 Aug Porter Airlines (Canada) Ltd

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

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