Kathmandu (KTM) to Bangkok (BKK) flights
Nonstop from Tribhuvan International to Suvarnabhumi: distance, flying time, which airlines fly it and how often.
Distance
1,386 mi, great circle
Flying time
typical, gate to gate
Flights a day
average, November 2026
Airlines
passenger airlines
Airlines flying KTM to BKK
Also in the data (cargo, charter or a foreign airline on a domestic route): Nepal Airlines.
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare KTM to BKK fares by month.
Both directions
Frequently asked questions
How long is the flight from Kathmandu to Bangkok?
About 3h 19m gate to gate for the 2,230 km (1,386 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from KTM to BKK?
Thai Airways, with about 2.4 flights a day between them in our data (AeroDataBox, November 2026).