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

Return flights

04 Aug - 16 Sep	TAP
07 Aug - 16 Sep	TAP
08 Aug - 16 Sep	TAP
09 Aug - 16 Sep	TAP
10 Aug - 16 Sep	TAP
11 Aug - 16 Sep	TAP
12 Aug - 16 Sep	Spirit Airlines
06 Aug - 16 Sep	Spirit Airlines
25 Aug - 03 Sep	TAP
08 Aug - 19 Aug	Icelandair
09 Aug - 19 Aug	Icelandair
15 Aug - 22 Aug	Icelandair
12 Aug - 19 Aug	Icelandair
18 Aug - 25 Aug	Icelandair
03 Aug - 30 Sep	Icelandair
12 Aug - 22 Aug	Icelandair
17 Aug - 23 Aug	Icelandair
22 Aug - 25 Aug	Icelandair
06 Aug - 13 Aug	Icelandair
04 Aug - 18 Aug	Icelandair

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 492€

Return flights