Cheapest return flights from Chicago to Istanbul in March from 450€

AirHint found the following cheapest return flights from Chicago (ORD) to Istanbul (IST) in March 2026 (see full year).

Return flights

03 Mar - 10 Mar Icelandair
30 Mar - 13 Apr Scandinavian Airlines
03 Mar - 26 Mar Icelandair
01 Mar - 04 Mar Icelandair
01 Mar - 17 Mar Frontier Airlines
11 Mar - 25 Mar Lufthansa
10 Mar - 17 Mar Icelandair
03 Mar - 09 Mar Icelandair
03 Mar - 17 Mar Icelandair
03 Mar - 18 Mar Icelandair
25 Mar - 01 Apr Scandinavian Airlines
24 Mar - 14 Apr Spirit Airlines
24 Mar - 31 Mar Spirit Airlines
25 Mar - 15 Apr Frontier Airlines
15 Mar - 06 Apr Spirit Airlines
18 Mar - 19 Apr Frontier Airlines
26 Mar - 07 Apr LOT
22 Mar - 06 Apr LOT
22 Mar - 05 Apr LOT
26 Mar - 03 Apr LOT

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

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