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	Pegasus Airlines
08 Mar - 17 Mar	Pegasus Airlines
27 Mar - 13 Apr	Air Arabia
05 Mar - 26 Mar	Air Arabia
27 Mar - 12 Apr	Air Arabia
03 Mar - 21 Apr	Air Arabia
13 Mar - 31 Mar	Pegasus Airlines
15 Mar - 31 Mar	Pegasus Airlines
30 Mar - 11 Apr	Air Arabia
28 Mar - 12 Apr	Air Arabia
27 Mar - 11 Apr	Air Arabia
29 Mar - 10 Apr	Air Arabia
31 Mar - 17 Apr	Air Arabia
05 Mar - 23 Apr	Air Arabia
10 Mar - 22 Mar	Etihad Airways
14 Mar - 31 Mar	Pegasus Airlines
14 Mar - 01 Apr	Pegasus Airlines
20 Mar - 28 Mar	Jazeera Airways
04 Mar - 12 Mar	IndiGo
08 Mar - 17 Mar	Turkish Airlines	direct

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 $451

Return flights