Cheapest return flights from Chicago to Amsterdam in September from 597€

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

Return flights

24 Sep - 16 Oct Aer Lingus
27 Sep - 29 Sep Spirit Airlines
26 Sep - 29 Sep Frontier Airlines
18 Sep - 25 Sep Spirit Airlines
15 Sep - 23 Sep TAP
18 Sep - 30 Sep Frontier Airlines
18 Sep - 28 Sep Spirit Airlines
17 Sep - 23 Sep Spirit Airlines
24 Sep - 18 Oct Frontier Airlines
17 Sep - 24 Sep Spirit Airlines
14 Sep - 19 Sep Frontier Airlines
26 Sep - 26 Oct TAP
17 Sep - 24 Sep Delta direct
24 Sep - 16 Oct Delta direct
24 Sep - 18 Oct KLM direct
26 Sep - 26 Oct Delta direct

Also check the deals for one-way flights from Chicago to Amsterdam in September.

Skyscanner

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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