AirHint found the following cheapest one-way flights from Houston (IAH) to Seoul (ICN) in May 2026 (see full year).
One-Way flights
| 26 May | Frontier Airlines | ||
| 04 May | Zipair | ||
| 09 May | Frontier Airlines | ||
| 01 May | Zipair | ||
| 23 May | WestJet | ||
| 25 May | WestJet | ||
| 29 May | Frontier Airlines | ||
| 21 May | Frontier Airlines | ||
| 30 May | WestJet | ||
| 24 May | Air Canada |
Also check the deals for return flights from Houston to Seoul in May.
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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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