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

Return flights

05 Mar - 14 Mar	Alaska Airlines
01 Mar - 27 Mar	Delta
03 Mar - 15 Mar	Delta
03 Mar - 17 Mar	American Airlines
12 Mar - 26 Mar	Delta
14 Mar - 19 Mar	American Airlines
21 Mar - 29 Mar	Delta
15 Mar - 20 Mar	American Airlines
14 Mar - 20 Mar	American Airlines
27 Mar - 04 Apr	Delta
13 Mar - 19 Mar	Delta

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

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 March from $746

Return flights