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

Return flights

26 Feb - 15 Mar	AJet
26 Feb - 05 Mar	AJet
21 Feb - 28 Feb	Air Arabia
18 Feb - 26 Feb	Air Arabia
26 Feb - 11 Mar	Air Arabia
23 Feb - 02 Mar	Air Arabia
22 Feb - 03 Mar	Air Arabia
20 Feb - 27 Feb	Air Arabia
20 Feb - 28 Feb	Air Arabia
21 Feb - 01 Mar	Air Arabia
28 Feb - 07 Mar	Air Arabia
11 Feb - 18 Feb	Air Arabia
22 Feb - 27 Feb	Air Arabia
28 Feb - 08 Mar	Air Arabia
14 Feb - 25 Feb	IndiGo
08 Feb - 16 Feb	Gulf Air
12 Feb - 19 Feb	IndiGo
26 Feb - 05 Mar	Turkish Airlines	direct
26 Feb - 15 Mar	Turkish Airlines	direct
08 Feb - 16 Feb	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul to Kathmandu in February.

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 February from 401€

Return flights