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

Return flights

26 Dec - 02 Jan	China Southern
08 Dec - 12 Dec	China Southern
15 Dec - 15 Dec	China Southern
15 Dec - 19 Dec	China Southern
22 Dec - 22 Dec	China Southern
22 Dec - 26 Dec	China Southern
22 Dec - 09 Jan	China Southern
22 Dec - 12 Jan	China Southern
22 Dec - 16 Jan	China Southern
22 Dec - 02 Jan	China Southern
24 Dec - 11 Jan	China Eastern
01 Dec - 16 Dec	Emirates
10 Dec - 17 Dec	Emirates
22 Dec - 13 Jan	Emirates
22 Dec - 15 Jan	Emirates
02 Dec - 04 Dec	Qatar Airways
16 Dec - 26 Dec	Emirates
27 Dec - 21 Jan	Qatar Airways
25 Dec - 25 Jan	Emirates
06 Dec - 16 Dec	Qatar Airways

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

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 Seoul to Tehran in December from $686

Return flights