Cheapest return flights from New York to Kathmandu in September from $733

AirHint found the following cheapest return flights from New York (NYC) to Kathmandu (KTM) in September 2025 (see full year).

Return flights

07 Sep - 22 Sep Cathay Pacific
08 Sep - 21 Sep Cathay Pacific
17 Sep - 26 Sep Etihad Airways
10 Sep - 29 Sep Kuwait Airways
11 Sep - 28 Sep Air India
25 Sep - 28 Sep Etihad Airways
22 Sep - 07 Oct Air India
10 Sep - 28 Sep Air India
25 Sep - 09 Oct Air India
02 Sep - 07 Oct IndiGo
26 Sep - 13 Oct Etihad Airways
20 Sep - 12 Oct Air India
20 Sep - 11 Oct SWISS

Also check the deals for one-way flights from New York to Kathmandu in September.

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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