Cheapest return flights from Boston to Calgary in May from 190€

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

Return flights

01 May - 04 May WestJet direct
08 May - 10 May WestJet direct
03 May - 08 May WestJet direct
24 May - 27 May WestJet direct
01 May - 08 May WestJet direct
24 May - 28 May WestJet direct
28 May - 03 Jun WestJet direct
28 May - 02 Jun WestJet direct
17 May - 23 May WestJet direct
06 May - 23 May Porter Airlines (Canada) Ltd
20 May - 23 May Porter Airlines (Canada) Ltd
20 May - 03 Jun Porter Airlines (Canada) Ltd
17 May - 24 May WestJet direct
20 May - 05 Jun Porter Airlines (Canada) Ltd
28 May - 05 Jun Porter Airlines (Canada) Ltd
29 May - 03 Jun Porter Airlines (Canada) Ltd
28 May - 12 Jun Porter Airlines (Canada) Ltd
28 May - 17 Jun Porter Airlines (Canada) Ltd
16 May - 03 Jun Porter Airlines (Canada) Ltd
29 May - 05 Jun Porter Airlines (Canada) Ltd

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

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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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