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

Return flights

26 Mar - 11 Apr	Air India	direct
28 Mar - 11 Apr	Air India	direct
05 Mar - 12 Mar	Air India	direct
21 Mar - 02 Apr	Air India	direct
11 Mar - 18 Mar	Air India	direct
04 Mar - 11 Mar	Air India	direct
07 Mar - 21 Mar	Air India	direct
19 Mar - 22 Mar	Air India	direct
03 Mar - 15 Mar	Air India Express
03 Mar - 20 Mar	Air India Express
03 Mar - 22 Mar	Air India Express
03 Mar - 05 Mar	Air India Express
03 Mar - 11 Mar	Air India Express

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

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 Delhi to Kathmandu in March from 116€

Return flights