Cheapest return flights from Edmonton to Seattle in September from $155

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

Return flights

13 Sep - 28 Sep Air Canada
10 Sep - 25 Sep Air Canada
27 Sep - 05 Oct Air Canada
23 Sep - 25 Sep Air Canada
15 Sep - 21 Oct Air Canada
13 Sep - 28 Sep Alaska Airlines direct
27 Sep - 05 Oct Alaska Airlines direct

Also check the deals for one-way flights from Edmonton to Seattle 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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