Cheapest return flights from Seattle (SEA) to Calgary (YYC), August

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
13 Aug 21 Aug Air Canada
27 Aug 06 Sep Frontier Airlines
27 Aug 05 Sep Frontier Airlines
23 Aug 30 Aug Air Canada
07 Aug 11 Aug Air Canada
22 Aug 24 Aug Air Canada
18 Aug 22 Aug Air Canada
12 Aug 16 Aug Frontier Airlines
26 Aug 02 Sep Frontier Airlines
21 Aug 24 Aug Harbour Air
18 Aug 22 Aug WestJet
Direct Flight
21 Aug 24 Aug WestJet
Direct Flight
29 Aug 31 Aug WestJet
Direct Flight
30 Aug 06 Sep WestJet
Direct Flight
26 Aug 02 Sep WestJet
Direct Flight
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deals for one-way flights from Seattle to Calgary in August.

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Updated Jul 12, 2026.

About these fares

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