Cheapest return flights from Chicago to Tehran in December from $886

AirHint found the following cheapest return flights from Chicago (ORD) to Tehran (IKA) in December 2025 (see full year).

Return flights

31 Dec - 21 Jan Icelandair
31 Dec - 23 Jan Icelandair
13 Dec - 30 Dec Frontier Airlines
25 Dec - 31 Dec LOT
13 Dec - 31 Dec Frontier Airlines
13 Dec - 01 Jan Frontier Airlines
25 Dec - 01 Jan Spirit Airlines
13 Dec - 03 Jan Frontier Airlines
13 Dec - 02 Jan Frontier Airlines

Also check the deals for one-way flights from Chicago to Tehran in December.

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