Cheapest return flights from Seattle to Amsterdam in December from 421€

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

Return flights

10 Dec - 17 Dec Icelandair
24 Dec - 17 Jan Icelandair
04 Dec - 17 Dec Icelandair
05 Dec - 17 Jan Icelandair
04 Dec - 07 Dec Icelandair
07 Dec - 23 Dec Air France direct
24 Dec - 17 Jan Air France direct
05 Dec - 17 Jan Air France direct
10 Dec - 17 Dec Air France direct
01 Dec - 25 Dec British Airways
01 Dec - 08 Dec Air France direct
04 Dec - 17 Dec Delta direct
04 Dec - 07 Dec Delta direct
01 Dec - 25 Dec Air France direct
28 Dec - 04 Jan Alaska Airlines

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

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