The Istanbul to Kathmandu air route connects Istanbul New Airport (IST) to Tribhuvan (KTM), covering a distance of 5,126 km. 5 airlines operate connecting flights (via major hubs) on this international route.
As an international route, travellers need a valid passport and appropriate visa for the destination country. It's recommended to arrive at the airport at least 3 hours before departure for international flights.
Compare fares across all airlines on FareEagle to find the best deal. Prices fluctuate based on demand, seasonality, and how far in advance you book. Generally, booking 4-8 weeks ahead for international routes gives the best value.
Compare IST to KTM FaresThe following airlines operate regular services between Istanbul and Kathmandu. Each airline offers different fare classes, baggage allowances, and onboard services.
Full-service international carriers typically include meals, checked baggage (20-30 kg), and in-flight entertainment. Compare the total cost including baggage on FareEagle — sometimes a full-service fare with included baggage is cheaper than a low-cost fare plus add-ons.
Istanbul New Airport (IST)
Istanbul Airport opened in 2018 and is operated by İGA (İstanbul Grand Airport). In 2023, the airport served over 76 million passengers, making it one of the busiest airports in Europe. Its IATA code is IST. The airport is planned to become the lar...
Tribhuvan (KTM)
Tribhuvan International Airport (KTM) is the primary international airport serving Kathmandu, Nepal. It was established in 1949. The airport handles over 7 million passengers annually. It serves as a hub for several Nepali airlines and is the only in...
For official travel information and regulations, refer to these resources:
DGCA — Indian aviation authority
Passport Seva — passport and travel documents