Cheapest return flights from Seattle to Amsterdam in May from 499€

AirHint found the following cheapest return flights from Seattle (SEA) to Amsterdam (AMS) in May 2026 (see full year).

Return flights

06 May - 13 May Aer Lingus
04 May - 18 May Aer Lingus
03 May - 09 May Aer Lingus
07 May - 17 May Turkish Airlines
19 May - 10 Jun Aer Lingus
23 May - 29 May Aer Lingus
04 May - 18 May Delta direct
01 May - 11 May KLM
07 May - 17 May Delta direct
19 May - 10 Jun Air France direct
04 May - 05 May Icelandair
03 May - 09 May Delta direct

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

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