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

Return flights

11 Dec - 20 Jan	Icelandair
05 Dec - 12 Dec	Icelandair
10 Dec - 17 Dec	United
30 Dec - 24 Jan	Air Canada
30 Dec - 06 Jan	United
31 Dec - 24 Jan	United
16 Dec - 06 Jan	United
01 Dec - 27 Dec	Air Canada
15 Dec - 22 Dec	United
02 Dec - 27 Dec	Air Canada
25 Dec - 01 Jan	United
21 Dec - 10 Jan	British Airways
20 Dec - 10 Jan	Icelandair
14 Dec - 03 Jan	KLM
11 Dec - 03 Jan	Air France
20 Dec - 27 Dec	United

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 $509

Return flights