AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Kathmandu (KTM) in December 2025 (see full year).

Return flights

01 Dec - 31 Dec	Emirates
25 Dec - 20 Jan	Alaska Airlines
09 Dec - 08 Jan	Turkish Airlines
12 Dec - 30 Dec	Emirates
16 Dec - 17 Jan	Turkish Airlines
17 Dec - 14 Jan	Emirates
17 Dec - 20 Jan	Emirates
17 Dec - 17 Jan	Emirates
18 Dec - 18 Jan	Emirates
10 Dec - 05 Jan	Qatar Airways

Also check the deals for one-way flights from Dallas-Fort Worth to Kathmandu in December.

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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Cheapest return flights from Dallas-Fort Worth to Kathmandu in December from 1563€

Return flights