Cheapest one-way flights from Boston to Calgary in May from 83€

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

One-Way flights

24 May WestJet direct
17 May WestJet direct
06 May Porter Airlines (Canada) Ltd
09 May Air Canada
28 May Porter Airlines (Canada) Ltd
11 May Porter Airlines (Canada) Ltd
03 May Porter Airlines (Canada) Ltd
18 May WestJet direct
04 May Porter Airlines (Canada) Ltd
19 May Porter Airlines (Canada) Ltd

Also check the deals for return 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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