Cheapest return flights from Calgary to Seattle in March from $175

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

Return flights

16 Mar - 23 Mar WestJet direct
16 Mar - 05 Apr WestJet
13 Mar - 20 Mar WestJet
12 Mar - 19 Mar WestJet direct
15 Mar - 22 Mar WestJet direct
18 Mar - 25 Mar WestJet direct
16 Mar - 05 Apr WestJet direct
13 Mar - 20 Mar Delta direct

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

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