Cheapest return flights from Austin to Seoul in December from 725€

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

Return flights

30 Dec - 17 Jan United
25 Dec - 19 Jan United
25 Dec - 22 Jan United
25 Dec - 28 Dec United
28 Dec - 12 Jan United
15 Dec - 22 Dec United
15 Dec - 17 Dec United
07 Dec - 08 Dec Korean Air
24 Dec - 28 Dec United
23 Dec - 28 Dec United
15 Dec - 29 Dec United
12 Dec - 15 Dec United
22 Dec - 18 Jan Spirit Airlines
15 Dec - 26 Dec Delta
26 Dec - 01 Jan United
15 Dec - 31 Dec Delta
17 Dec - 13 Jan United
12 Dec - 06 Jan Frontier Airlines
15 Dec - 06 Jan United
16 Dec - 08 Jan Hawaiian Airlines

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

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