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

Return flights

03 Dec - 07 Dec	TAP
13 Dec - 13 Jan	TAP
30 Dec - 12 Jan	TAP
25 Dec - 17 Jan	Scandinavian Airlines
24 Dec - 17 Jan	Scandinavian Airlines
14 Dec - 22 Dec	TAP
15 Dec - 21 Dec	TAP
28 Dec - 30 Dec	KLM
27 Dec - 09 Jan	Aer Lingus
02 Dec - 27 Dec	Aer Lingus
09 Dec - 18 Dec	United	direct
24 Dec - 17 Jan	United	direct
23 Dec - 10 Jan	United	direct
27 Dec - 09 Jan	United	direct
30 Dec - 12 Jan	Delta	direct
03 Dec - 07 Dec	United	direct
25 Dec - 17 Jan	Lufthansa	direct
12 Dec - 14 Dec	KLM	direct
14 Dec - 22 Dec	United	direct
02 Dec - 27 Dec	United	direct

Also check the deals for one-way flights from Washington 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 Washington to Amsterdam in December from 424€

Return flights