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

Return flights

11 Aug - 20 Aug	TAP
12 Aug - 20 Aug	Aer Lingus
14 Aug - 21 Aug	TAP
14 Aug - 18 Aug	TAP
22 Aug - 19 Sep	Icelandair
26 Aug - 08 Sep	Scandinavian Airlines
22 Aug - 01 Sep	Icelandair
30 Aug - 06 Sep	Icelandair
27 Aug - 01 Sep	Icelandair
25 Aug - 05 Sep	Aer Lingus
03 Aug - 13 Aug	Icelandair
28 Aug - 03 Sep	Icelandair
11 Aug - 20 Aug	United	direct
12 Aug - 20 Aug	United	direct
10 Aug - 19 Aug	United	direct
10 Aug - 19 Aug	TAP
06 Aug - 12 Aug	Icelandair
28 Aug - 17 Sep	Icelandair
25 Aug - 05 Sep	United	direct
22 Aug - 19 Sep	United	direct

Also check the deals for one-way flights from Washington to Amsterdam in August.

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 August from $530

Return flights