Need help booking?
Unpublished phone-only deals available
KTM to TBB: distance & flight time
Kathmandu (Tribhuvan International Airport) → Tuy Hoa (Dong Tac Airport)
1,847 mi
2,973 km · 1,605 nm
4h 5m
estimated nonstop flight time
+1.3h
time difference · heading southeast
See live KTM→TBB fares Phone-only fares on this route — call free
Flight time details
1,847 miles nonstop takes roughly 4h 5m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.3-hour time gain when reading arrival times on your ticket.
The two airports
- KTM — Tribhuvan International Airport · Kathmandu, Nepal
- TBB — Dong Tac Airport · Tuy Hoa, Vietnam
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near KTM
- SIF · Simara Airport44 mi away
- RHP · Ramechhap Airport48 mi away
- BHR · Bharatpur Airport57 mi away
- MEY · Meghauli Airport70 mi away
Near TBB
- NHA · Nha Trang Air Base58 mi away
- UIH · Phu Cat Airport66 mi away
- CXR · Cam Ranh Airport73 mi away
- BMV · Buon Ma Thuot Airport86 mi away
Frequently asked questions
How far is KTM from TBB?
The flight distance from Kathmandu (KTM) to Tuy Hoa (TBB) is 1,847 miles (2,973 km, 1,605 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KTM to TBB?
A nonstop flight takes about 4h 5m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Kathmandu and Tuy Hoa?
Tuy Hoa is 1.3 hours ahead of Kathmandu.
What is the cheapest way to fly from KTM to TBB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KTM–TBB that never appear on search engines, with no booking fees.