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

Return flights

04 Dec - 11 Dec	Icelandair
03 Dec - 10 Dec	Icelandair
02 Dec - 09 Dec	Icelandair
16 Dec - 10 Jan	Icelandair
11 Dec - 15 Dec	British Airways
09 Dec - 16 Dec	Icelandair
23 Dec - 14 Jan	Delta
25 Dec - 07 Jan	American Airlines
07 Dec - 14 Dec	Icelandair
13 Dec - 18 Dec	Turkish Airlines
03 Dec - 27 Dec	Icelandair
05 Dec - 12 Dec	Icelandair
16 Dec - 06 Jan	Icelandair
14 Dec - 06 Jan	Icelandair
16 Dec - 22 Dec	Lufthansa
31 Dec - 05 Jan	Delta
22 Dec - 06 Jan	Frontier Airlines
19 Dec - 10 Jan	Virgin Atlantic
29 Dec - 04 Jan	Virgin Atlantic
12 Dec - 03 Jan	British Airways

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Denver to Amsterdam in December from $433

Return flights