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HLH to AOU: distance & flight time
Ulanhot (Ulanhot Airport) → Attopeu (Attopeu Airport)
2,340 mi
3,766 km · 2,033 nm
5h 3m
estimated nonstop flight time
—
time difference · heading southwest
See live HLH→AOU fares Phone-only fares on this route — call free
Flight time details
2,340 miles nonstop takes roughly 5h 3m gate to gate, flying southwest. 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
- HLH — Ulanhot Airport · Ulanhot, China
- 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 HLH
- DBC · Baicheng Chang'an Airport68 mi away
- NDG · Qiqihar Sanjiazi Airport116 mi away
- NZL · Chengjisihan Airport121 mi away
- YIE · Arxan Yi'ershi Airport126 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 HLH from AOU?
The flight distance from Ulanhot (HLH) to Attopeu (AOU) is 2,340 miles (3,766 km, 2,033 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLH to AOU?
A nonstop flight takes about 5h 3m 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 HLH to AOU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLH–AOU that never appear on search engines, with no booking fees.