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

Return flights

07 Apr - 27 Apr	flydubai
08 Apr - 28 Apr	flydubai
09 Apr - 24 Apr	flydubai
13 Apr - 28 Apr	flydubai
05 Apr - 11 Apr	flydubai
06 Apr - 12 Apr	flydubai
05 Apr - 12 Apr	flydubai
04 Apr - 11 Apr	flydubai
09 Apr - 24 Apr	Turkish Airlines	direct
13 Apr - 28 Apr	Turkish Airlines	direct

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

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 Kathmandu

Cheap car rent in Kathmandu

Cheapest return flights from Istanbul to Kathmandu in April from $815

Return flights