AirHint found the following cheapest return flights from Houston (HOU) to Kathmandu (KTM) in April 2026 (see full year).
Return flights
| 15 Apr - 14 May | Turkish Airlines | ||
| 06 Apr - 21 May | Turkish Airlines | ||
| 01 Apr - 04 May | Turkish Airlines | ||
| 23 Apr - 27 May | Turkish Airlines | ||
| 05 Apr - 12 Apr | Qatar Airways |
Also check the deals for one-way flights from Houston to Kathmandu in April.
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