Cheapest return flights from Austin to Seoul in December from 727€

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
22 Dec - 18 Jan Frontier Airlines
09 Dec - 10 Jan United
16 Dec - 09 Jan Frontier Airlines
15 Dec - 09 Jan United
17 Dec - 07 Jan Frontier Airlines
16 Dec - 08 Jan Hawaiian Airlines
14 Dec - 09 Jan Delta
16 Dec - 07 Jan Frontier Airlines
16 Dec - 06 Jan Frontier Airlines

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

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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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