AirHint found the following cheapest return flights from Houston (HOU) to Seoul (ICN) in May 2026 (see full year).
Return flights
| 04 May - 17 May | Frontier Airlines | ||
| 15 May - 25 May | Frontier Airlines | ||
| 23 May - 30 May | WestJet | ||
| 22 May - 31 May | WestJet | ||
| 30 May - 11 Jun | Spirit Airlines | ||
| 26 May - 11 Jun | WestJet | ||
| 01 May - 03 May | Air Canada |
Also check the deals for one-way 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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