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

Return flights

06 May - 22 May	Alaska Airlines
12 May - 02 Jun	Delta
04 May - 03 Jun	Delta
04 May - 02 Jun	Delta
05 May - 02 Jun	Delta
19 May - 26 May	Alaska Airlines
09 May - 16 May	Alaska Airlines
31 May - 09 Jun	Alaska Airlines
31 May - 16 Jun	Alaska Airlines
28 May - 07 Jun	Alaska Airlines
29 May - 06 Jun	Alaska Airlines
28 May - 11 Jun	Alaska Airlines
27 May - 10 Jun	Delta

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

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 May from 929€

Return flights