Cheapest return flights from Seattle to Calgary in September from 132€

Best time to book flights for Seattle (SEA) to Calgary (YYC) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Calgary (YYC) in September 2025 (see full year).

Return flights

14 Sep - 17 Sep WestJet direct
18 Sep - 21 Sep WestJet
06 Sep - 08 Sep WestJet
21 Sep - 28 Sep WestJet
18 Sep - 21 Sep WestJet direct
06 Sep - 08 Sep WestJet direct
28 Sep - 05 Oct WestJet direct
29 Sep - 05 Oct WestJet direct

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

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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