Cheapest return flights from Washington to Kathmandu in May from $1781

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

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

Return flights

14 May - 04 Jun Alaska Airlines
14 May - 03 Jun Alaska Airlines
04 May - 20 May Cathay Pacific
20 May - 19 Jun Cathay Pacific
10 May - 25 May Cathay Pacific
19 May - 30 May Cathay Pacific
16 May - 18 May Qatar Airways
12 May - 03 Jun Singapore Airlines

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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