Cheapest return flights from Denver to Calgary in March from $322

AirHint found the following cheapest return flights from Denver (DEN) to Calgary (YYC) in March 2026 (see full year).

Return flights

17 Mar - 25 Mar Frontier Airlines
18 Mar - 25 Mar Hawaiian Airlines
26 Mar - 30 Mar Hawaiian Airlines
20 Mar - 29 Mar United direct
27 Mar - 30 Mar United direct
26 Mar - 30 Mar United direct
17 Mar - 25 Mar United direct
12 Mar - 16 Mar Frontier Airlines
12 Mar - 19 Mar Frontier Airlines
14 Mar - 19 Mar United direct

Also check the deals for one-way flights from Denver to Calgary in March.

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