Find Indigo(6E) flights from Istanbul to Kathmandu

At the moment, you can catch a nonstop flight from Istanbul to Kathmandu with the following airlines, including: Azerbaijan Airlines IndiGo Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

It takes about 7 hours 5 minutes to fly from Istanbul to Kathmandu.

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Istanbul to Kathmandu is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on Trip.com data in the past 4 weeks, there is 5 flight per week flying from Istanbul to Kathmandu. You can check the weekly schedule for popular airlines on this route below: Turkish Airlines: S/M/T/W/-/F/S -- TK726 (01:43)

The cheapest months to fly from Istanbul to Kathmandu is October, when demand for travel is lower.

After crunching the numbers on our April flight calendar, it's currently cheapest to fly from Istanbul to Kathmandu on April 24, 2026 with Pegasus Airlines, with prices starting at US$179.

You can land at any one of the following hubs in Kathmandu, with Istanbul Airport to Tribhuvan International Airport (IST-KTM) is by far the most common option on this route: Tribhuvan International Airport (KTM).

The time difference between Kathmandu and Istanbul is 2h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.