Cheapest return flights from Indianapolis to Seoul in December from $1473

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

Return flights

13 Dec - 14 Jan United
16 Dec - 10 Jan United
20 Dec - 31 Dec Frontier Airlines
21 Dec - 31 Dec Frontier Airlines
23 Dec - 09 Jan Delta
20 Dec - 10 Jan Frontier Airlines
21 Dec - 11 Jan United
24 Dec - 08 Jan Delta
22 Dec - 09 Jan Delta
17 Dec - 10 Jan Allegiant Air
16 Dec - 11 Jan Delta
21 Dec - 09 Jan United

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

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