Cheapest one-way flights from Kathmandu to Delhi in September from $105

Best time to book flights for Kathmandu (KTM) to Delhi (DEL) flights at AirHint

AirHint found the following cheapest one-way flights from Kathmandu (KTM) to Delhi (DEL) in September 2025 (see full year).

One-Way flights

25 Sep Nepal Airlines direct
21 Sep Nepal Airlines direct
01 Sep Nepal Airlines direct
29 Sep IndiGo direct
15 Sep Nepal Airlines direct
13 Sep Nepal Airlines direct
30 Sep IndiGo direct
22 Sep IndiGo direct
03 Sep IndiGo direct
06 Sep IndiGo direct

Also check the deals for return flights from Kathmandu to Delhi 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.

Book a cheap hotel in Delhi

Cheap car rent in Delhi