Cheapest one-way flights from Calgary to Seattle in March from $109

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

One-Way flights

01 Mar WestJet direct
31 Mar Alaska Airlines direct
21 Mar WestJet
20 Mar WestJet
22 Mar WestJet direct
10 Mar WestJet direct
20 Mar WestJet direct
21 Mar Alaska Airlines direct

Also check the deals for return flights from Calgary to Seattle in March.

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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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