Cheapest one-way flights from Boston to Calgary in August from 202€

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

One-Way flights

23 Aug Spirit Airlines
18 Aug Frontier Airlines
20 Aug Spirit Airlines
16 Aug Spirit Airlines
17 Aug Allegiant Air
23 Aug WestJet direct
20 Aug WestJet direct
18 Aug WestJet direct
17 Aug WestJet direct
16 Aug WestJet direct

Also check the deals for return 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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