Cheapest return flights from Washington to Kathmandu in May from 1312€

Best time to book flights for Washington (IAD) to Kathmandu (KTM) flights at AirHint

AirHint found the following cheapest return flights from Washington (IAD) to Kathmandu (KTM) in May 2025 (see full year).

Return flights

16 May - 06 Jun Qatar Airways

Also check the deals for one-way flights from Washington to Kathmandu in May.

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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