AirHint found the following cheapest return flights from Houston (IAH) to Seoul (ICN) in April 2026 (see full year).
Return flights
| 01 Apr - 17 Apr | Zipair | ||
| 09 Apr - 29 Apr | WestJet | ||
| 08 Apr - 22 Apr | Turkish Airlines | ||
| 23 Apr - 09 May | EVA Air | ||
| 30 Apr - 15 May | EVA Air | ||
| 11 Apr - 18 Apr | Spirit Airlines | ||
| 04 Apr - 11 Apr | Spirit Airlines |
Also check the deals for one-way flights from Houston to Seoul in April.
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