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KTM to AOU: distance & flight time
Kathmandu (Tribhuvan International Airport) → Attopeu (Attopeu Airport)
1,639 mi
2,638 km · 1,425 nm
3h 41m
estimated nonstop flight time
—
time difference · heading southeast
See live KTM→AOU fares Phone-only fares on this route — call free
Flight time details
1,639 miles nonstop takes roughly 3h 41m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- KTM — Tribhuvan International Airport · Kathmandu, Nepal
- AOU — Attopeu Airport · Attopeu, Laos
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 AOU
- VNA · Saravane Airport68 mi away
- PKZ · Pakse International Airport73 mi away
- RBE · Ratanakiri Airport76 mi away
- PXU · Pleiku Airport98 mi away
Frequently asked questions
How far is KTM from AOU?
The flight distance from Kathmandu (KTM) to Attopeu (AOU) is 1,639 miles (2,638 km, 1,425 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KTM to AOU?
A nonstop flight takes about 3h 41m 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 cheapest way to fly from KTM to AOU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KTM–AOU that never appear on search engines, with no booking fees.