Cheapest return flights from Chicago to Istanbul in April from 805€

AirHint found the following cheapest return flights from Chicago (MDW) to Istanbul (SAW) in April 2026 (see full year).

Return flights

22 Apr - 03 May Frontier Airlines
22 Apr - 09 May Frontier Airlines
18 Apr - 03 May Frontier Airlines
22 Apr - 10 May Frontier Airlines
17 Apr - 05 May Frontier Airlines
15 Apr - 21 Apr Frontier Airlines
14 Apr - 21 Apr Frontier Airlines
24 Apr - 14 May KLM
30 Apr - 25 May KLM

Also check the deals for one-way flights from Chicago to Istanbul in April.

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