AirHint found the following cheapest return flights from Seattle (SEA) to Amsterdam (AMS) in April 2026 (see full year).
Return flights
| 14 Apr - 09 May | Icelandair | ||
| 05 Apr - 25 Apr | Icelandair | ||
| 25 Apr - 16 May | Icelandair | ||
| 05 Apr - 25 Apr | Air France | direct | |
| 14 Apr - 09 May | Air France | direct | |
| 25 Apr - 16 May | KLM | direct |
Also check the deals for one-way flights from Seattle to Amsterdam in April.
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