AirHint found the following cheapest return flights from Austin (AUS) to Seoul (ICN) in May 2026 (see full year).
Return flights
| 13 May - 17 Jun | Alaska Airlines | ||
| 28 May - 11 Jun | Alaska Airlines | ||
| 13 May - 30 Jun | Delta | ||
| 28 May - 15 Jun | Alaska Airlines |
Also check the deals for one-way flights from Austin to Seoul in May.
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