Cheapest return flights from Washington to Kathmandu in May from $1320

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

02 May - 11 Jun jetBlue
01 May - 15 Jun jetBlue
01 May - 14 Jun jetBlue
02 May - 14 Jun jetBlue
02 May - 12 Jun Cathay Pacific
01 May - 11 Jun Cathay Pacific
08 May - 29 May Cathay Pacific
03 May - 12 Jun Singapore Airlines
20 May - 10 Jun Cathay Pacific
01 May - 13 Jun Qatar Airways
01 May - 12 Jun Qatar Airways
18 May - 25 May Qatar Airways
17 May - 24 May Qatar Airways

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

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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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