Cheapest one-way flights from Seattle to Amsterdam in September from $303

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

One-Way flights

03 Sep Hawaiian Airlines
16 Sep Alaska Airlines
15 Sep Hawaiian Airlines
24 Sep Alaska Airlines
29 Sep Hawaiian Airlines
08 Sep Hawaiian Airlines
13 Sep Hawaiian Airlines
09 Sep Hawaiian Airlines
26 Sep WestJet
01 Sep Hawaiian Airlines

Also check the deals for return 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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