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

Return flights

16 Aug - 23 Aug	Scandinavian Airlines
14 Aug - 21 Aug	Scandinavian Airlines
14 Aug - 19 Aug	Scandinavian Airlines
11 Aug - 19 Aug	jetBlue
24 Aug - 31 Aug	Icelandair
07 Aug - 14 Aug	Icelandair
07 Aug - 18 Aug	Icelandair
28 Aug - 07 Sep	Icelandair
13 Aug - 17 Aug	Icelandair
22 Aug - 25 Aug	Icelandair
12 Aug - 19 Aug	United	direct
30 Aug - 06 Sep	Icelandair
27 Aug - 03 Sep	Icelandair
30 Aug - 06 Sep	United	direct

Also check the deals for one-way flights from Chicago 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 Chicago to Amsterdam in August from $509

Return flights