AirHint found the following cheapest return flights from Austin (AUS) to Seoul (ICN) in January 2026 (see full year).

Return flights

11 Jan - 25 Jan	Alaska Airlines
21 Jan - 30 Jan	Alaska Airlines
23 Jan - 30 Jan	Alaska Airlines
18 Jan - 01 Feb	Alaska Airlines
21 Jan - 01 Feb	Alaska Airlines
10 Jan - 24 Jan	Alaska Airlines
22 Jan - 29 Jan	Alaska Airlines
10 Jan - 25 Jan	Alaska Airlines
06 Jan - 20 Jan	Air Canada
18 Jan - 26 Jan	Hawaiian Airlines
18 Jan - 25 Jan	United
15 Jan - 22 Jan	United
05 Jan - 02 Feb	United

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

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 Austin to Seoul in January from $730

Return flights