Cheapest return flights from Delhi to Kathmandu in December from $135

AirHint found the following cheapest return flights from Delhi (DEL) to Kathmandu (KTM) in December 2025 (see full year).

Return flights

12 Dec - 09 Jan Air India
12 Dec - 10 Jan Air India
05 Dec - 08 Dec Air India direct
13 Dec - 18 Dec Air India direct
18 Dec - 22 Dec Air India direct
12 Dec - 07 Jan Air India direct
12 Dec - 10 Jan Air India direct
12 Dec - 09 Jan Air India direct
03 Dec - 31 Dec Air India direct
04 Dec - 31 Dec Air India direct
05 Dec - 12 Dec Air India direct
15 Dec - 22 Dec Air India
12 Dec - 17 Dec Air India
27 Dec - 31 Dec Nepal Airlines
27 Dec - 03 Jan Air India direct
06 Dec - 12 Dec Air India direct
10 Dec - 15 Jan Air India direct
15 Dec - 15 Jan Air India direct
17 Dec - 14 Jan Air India direct
02 Dec - 10 Jan Air India direct

Also check the deals for one-way flights from Delhi to Kathmandu in December.

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