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

Return flights

20 Jul - 20 Aug	Frontier Airlines
06 Jul - 17 Aug	Frontier Airlines
13 Jul - 17 Aug	Frontier Airlines
07 Jul - 07 Aug	Porter Airlines (Canada) Ltd
22 Jul - 09 Aug	Frontier Airlines
17 Jul - 18 Aug	Frontier Airlines
20 Jul - 25 Aug	Frontier Airlines

Also check the deals for one-way flights from Chicago to Skopje in July.

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 July from $1247

Return flights