Cheapest return flights from Seattle to Amsterdam in September from 482€

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

Return flights

30 Sep - 08 Oct Aer Lingus
16 Sep - 15 Oct Aer Lingus
20 Sep - 23 Sep Frontier Airlines
30 Sep - 05 Oct Hawaiian Airlines
18 Sep - 11 Oct Frontier Airlines
24 Sep - 28 Sep Scandinavian Airlines
22 Sep - 18 Oct Turkish Airlines
23 Sep - 18 Oct Turkish Airlines
08 Sep - 20 Sep Alaska Airlines
17 Sep - 21 Sep Icelandair
11 Sep - 18 Sep WestJet
10 Sep - 16 Sep Scandinavian Airlines
10 Sep - 16 Sep Delta direct
11 Sep - 18 Sep Delta direct
08 Sep - 20 Sep Air France direct
16 Sep - 15 Oct Air France direct
24 Sep - 28 Sep Delta direct
22 Sep - 18 Oct Air France direct
30 Sep - 05 Oct Air France direct
23 Sep - 18 Oct Air France direct

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