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

Return flights

07 Dec - 14 Dec	Icelandair
25 Dec - 17 Jan	Delta	direct
24 Dec - 17 Jan	Icelandair
24 Dec - 18 Jan	Lufthansa
24 Dec - 18 Jan	Lufthansa	direct
24 Dec - 17 Jan	Lufthansa	direct
10 Dec - 11 Jan	Aer Lingus
07 Dec - 14 Dec	Delta	direct
04 Dec - 08 Dec	KLM	direct
23 Dec - 17 Jan	Frontier Airlines
27 Dec - 08 Jan	Lufthansa
11 Dec - 16 Dec	British Airways
05 Dec - 18 Dec	British Airways
30 Dec - 06 Jan	Lufthansa
22 Dec - 17 Jan	Lufthansa	direct
02 Dec - 27 Dec	Turkish Airlines
24 Dec - 30 Dec	United
24 Dec - 28 Dec	Lufthansa
01 Dec - 27 Dec	Turkish Airlines
25 Dec - 30 Dec	Delta	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 455€

Return flights