Kathmandu (KTM) to Kolkata (CCU) flights
One airline flies nonstop from Kathmandu (KTM) to Kolkata (CCU): Buddha Air. The two airports are 398 miles (641 km) apart. There are also 4 ways to fly it with one stop, through Dhaka, Paro and Varanasi and more.
Airlines flying nonstop from KTM to CCU
- U4Buddha AirNot in an alliance
KTM to CCU with one stop
4 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Dhaka (DAC)Biman Bangladesh Airlines the whole wayBGH9BGBS
- Via Paro (PBH)Bhutan Airlines and Drukair the whole wayB3KBB3KB
- Via Varanasi (VNS)Buddha Air, then IndiGoU4
- Via Delhi (DEL)IndiGo and Air India the whole way
RASG+1
KTM to CCU: common questions
Which airlines fly nonstop from KTM to CCU?
Buddha Air flies nonstop from Kathmandu (KTM) to Kolkata (CCU).
How far is Kathmandu from Kolkata by plane?
Kathmandu (KTM) and Kolkata (CCU) are 398 miles (641 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does KTM to CCU cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for KTM to CCU with taxes and fees.
Where can I connect between Kathmandu and Kolkata?
The most direct connections are through Dhaka (DAC), Paro (PBH), Varanasi (VNS) and Delhi (DEL). On 3 of them the same airline flies both flights, for example Biman Bangladesh Airlines through Dhaka.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.