Cheapest return flights from Seattle to Amsterdam in April from $454

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

Return flights

23 Apr - 30 Apr Icelandair
23 Apr - 05 May Icelandair
17 Apr - 26 Apr Icelandair
07 Apr - 15 Apr Icelandair
23 Apr - 28 Apr Icelandair
22 Apr - 29 Apr Icelandair
19 Apr - 27 Apr Icelandair
08 Apr - 14 Apr Lufthansa
08 Apr - 15 Apr Lufthansa
12 Apr - 21 Apr Lufthansa
07 Apr - 14 Apr Lufthansa
22 Apr - 05 May KLM
29 Apr - 07 May KLM
28 Apr - 13 May Delta direct
22 Apr - 05 May Delta direct
29 Apr - 07 May Delta direct
15 Apr - 30 May Icelandair
27 Apr - 05 May Delta direct
29 Apr - 04 May KLM
23 Apr - 05 May Delta direct

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

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