Cheapest return flights from Seattle to Amsterdam in September from 581€

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

Return flights

16 Sep - 15 Oct Condor
14 Sep - 04 Oct Scandinavian Airlines
03 Sep - 09 Sep Alaska Airlines
22 Sep - 18 Oct Hawaiian Airlines
30 Sep - 14 Oct Icelandair
12 Sep - 16 Sep Hawaiian Airlines
03 Sep - 10 Sep Icelandair
14 Sep - 30 Sep Icelandair
01 Sep - 17 Sep Icelandair
01 Sep - 16 Sep Icelandair
01 Sep - 05 Sep Icelandair
02 Sep - 05 Sep Icelandair
30 Sep - 07 Oct Hawaiian Airlines
14 Sep - 30 Sep Air France direct
16 Sep - 15 Oct Air France direct
30 Sep - 14 Oct Air France direct
23 Sep - 02 Oct Air France direct
14 Sep - 04 Oct Air France direct
22 Sep - 18 Oct Air France direct
03 Sep - 10 Sep 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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