BKK to KTM: Distance and Flight Time
The distance from Suvarnabhumi Airport (BKK) to Tribhuvan International Airport (KTM) is 2,230 km (1,385 mi). A typical nonstop flight covers it in about 3h 15m, heading northwest. The distance is the same in either direction (KTM to BKK).
How far is it from Bangkok to Kathmandu?
The great-circle distance between Suvarnabhumi Airport (BKK) and Tribhuvan International Airport (KTM) is 2,230 km (1,385 mi, 1,204 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from BKK to KTM?
A nonstop flight typically takes about 3h 15m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. KTM is roughly northwest of BKK.
How is the BKK to KTM route written in code?
The pair is written BKK-KTM in IATA codes and VTBS-VNKT in ICAO codes, the form used on a flight plan. Suvarnabhumi Airport is BKK (VTBS), Tribhuvan International Airport is KTM (VNKT).
| BKK | KTM | |
|---|---|---|
| Airport | Suvarnabhumi Airport | Tribhuvan International Airport |
| ICAO code | VTBS | VNKT |
| Country | Thailand | Nepal |
| Elevation | 5 ft | 4,390 ft |
| Rank by connections | #25 | #345 |
Both ICAO codes start with V, the prefix ICAO assigns to South and Southeast Asia, so this is a route inside one ICAO region. How ICAO prefixes are laid out.
KTM sits 4,385 ft (1,337 m) higher than BKK, which is a real difference in air density on takeoff.
Airlines flying BKK to KTM
2 airlines appear on this route in the open route dataset, 2 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| RA | Nepal Airlines | RNA | Royal Nepal | Active |
| TG | Thai Airways International | THA | Thai | Active |
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Bangkok from Kathmandu?
Suvarnabhumi Airport (BKK) and Tribhuvan International Airport (KTM) are 2,230 km (1,385 mi, 1,204 nautical miles) apart in a straight line.
How long is the flight from BKK to KTM?
A typical nonstop flight between BKK and KTM takes about 3h 15m. Actual times vary with aircraft type, winds and routing.
What direction is KTM from BKK?
Tribhuvan International Airport (KTM) lies roughly northwest of Suvarnabhumi Airport (BKK).
Which airlines fly BKK to KTM?
2 airlines appear on the BKK-KTM route in the open dataset, including Nepal Airlines, Thai Airways International.
Related routes
Other routes from Bangkok (BKK):
Other routes from Kathmandu (KTM):
BKK airport code · KTM airport code · Busiest airports worldwide