AirHint found the following cheapest return flights from Austin (AUS) to Seoul (ICN) in May 2026 (see full year).
Return flights
| 24 May - 07 Jun | WestJet | ||
| 18 May - 02 Jun | Delta | ||
| 19 May - 09 Jun | Delta | ||
| 20 May - 02 Jun | Delta |
Also check the deals for one-way flights from Austin to Seoul in May.
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