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

Return flights

01 Mar - 12 Mar	AJet
30 Mar - 09 Apr	Air Arabia
30 Mar - 12 Apr	Air Arabia
30 Mar - 10 Apr	Air Arabia
31 Mar - 10 Apr	Air Arabia
12 Mar - 02 Apr	Air Arabia
06 Mar - 02 Apr	Air Arabia
07 Mar - 16 Mar	Air Arabia
25 Mar - 01 Apr	Air Arabia
22 Mar - 26 Apr	AJet
11 Mar - 01 Apr	Air Arabia
10 Mar - 25 Mar	Gulf Air
05 Mar - 14 Mar	Air Arabia
17 Mar - 15 Apr	Air Arabia
16 Mar - 29 Mar	Flynas
08 Mar - 28 Mar	Pegasus Airlines
14 Mar - 16 Mar	Air Arabia
16 Mar - 28 Mar	Flynas
21 Mar - 31 Mar	AJet
10 Mar - 22 Mar	Flynas

Also check the deals for one-way flights from Istanbul 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 Istanbul to Kathmandu in March from 404€

Return flights