Cheapest return flights from Denver to Amsterdam in December from 399€

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

Return flights

09 Dec - 16 Dec Lufthansa
05 Dec - 16 Dec Delta
03 Dec - 10 Dec Icelandair
10 Dec - 17 Dec Air Canada
23 Dec - 14 Jan Delta
29 Dec - 12 Jan United
09 Dec - 17 Dec Lufthansa
02 Dec - 09 Dec Lufthansa
01 Dec - 08 Dec Lufthansa
11 Dec - 18 Dec KLM
01 Dec - 07 Dec Frontier Airlines
22 Dec - 06 Jan Frontier Airlines
21 Dec - 29 Dec Frontier Airlines
29 Dec - 05 Jan Icelandair
27 Dec - 03 Jan Icelandair

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

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