AirHint found the following cheapest one-way flights from Houston (HOU) to Seoul (ICN) in October 2025 (see full year).
One-Way flights
| 30 Oct | Frontier Airlines | ||
| 26 Oct | Frontier Airlines | ||
| 16 Oct | Spirit Airlines | ||
| 19 Oct | Air Canada | ||
| 25 Oct | Air Canada |
Also check the deals for return flights from Houston to Seoul in October.
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