Cheapest return flights from Houston to Kathmandu in August from 968€

AirHint found the following cheapest return flights from Houston (IAH) to Kathmandu (KTM) in August 2025 (see full year).

Return flights

23 Aug - 31 Aug IndiGo
31 Aug - 15 Sep IndiGo

Also check the deals for one-way flights from Houston to Kathmandu in August.

Skyscanner

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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