Cheapest return DEL–KTM flights, September

AirHint found the following cheapest return flights from Delhi (DEL) to Kathmandu (KTM) in September 2026 (see full year).

Return flights

01 Sep - 08 Sep Nepal Airlines direct
15 Sep - 20 Sep Nepal Airlines direct
01 Sep - 24 Sep Nepal Airlines direct
08 Sep - 15 Sep Nepal Airlines direct
13 Sep - 26 Sep Nepal Airlines direct
16 Sep - 15 Oct IndiGo direct
21 Sep - 27 Sep IndiGo direct
16 Sep - 23 Sep IndiGo direct
21 Sep - 04 Oct IndiGo direct
20 Sep - 03 Oct Nepal Airlines direct
20 Sep - 02 Oct Nepal Airlines direct
17 Sep - 20 Sep IndiGo direct
19 Sep - 11 Oct IndiGo direct
03 Sep - 13 Sep Air India direct
14 Sep - 18 Sep Air India direct
29 Sep - 16 Oct IndiGo direct
28 Sep - 04 Oct IndiGo direct
30 Sep - 03 Oct IndiGo direct
30 Sep - 04 Oct IndiGo direct
21 Sep - 03 Oct IndiGo direct

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

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