AirHint found the following cheapest return flights from Houston (HOU) to Kathmandu (KTM) in November 2025 (see full year).
Return flights
| 20 Nov - 20 Dec | Spirit Airlines | ||
| 20 Nov - 05 Dec | Spirit Airlines | ||
| 20 Nov - 17 Dec | Spirit Airlines | ||
| 27 Nov - 25 Dec | Spirit Airlines | ||
| 10 Nov - 17 Nov | IndiGo | ||
| 12 Nov - 20 Nov | IndiGo |
Also check the deals for one-way flights from Houston to Kathmandu in November.
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