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

Return flights

07 Aug - 26 Sep	Spirit Airlines
02 Aug - 30 Sep	Icelandair
15 Aug - 25 Aug	Lufthansa
31 Aug - 30 Sep	Turkish Airlines
04 Aug - 01 Sep	Austrian Airlines
07 Aug - 28 Aug	Spirit Airlines
03 Aug - 30 Sep	Lufthansa
17 Aug - 29 Aug	SWISS
17 Aug - 24 Aug	Lufthansa
21 Aug - 03 Sep	SWISS
07 Aug - 02 Sep	SWISS
07 Aug - 29 Aug	SWISS
15 Aug - 29 Aug	Lufthansa
15 Aug - 24 Aug	Lufthansa
07 Aug - 01 Sep	Lufthansa
02 Aug - 31 Aug	Lufthansa
16 Aug - 23 Aug	LOT
02 Aug - 16 Aug	Icelandair

Also check the deals for one-way flights from Chicago to Skopje 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 Skopje in August from 537€

Return flights