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SIF to AOU: distance & flight time
Simara (Simara Airport) → Attopeu (Attopeu Airport)
1,643 mi
2,644 km · 1,427 nm
3h 41m
estimated nonstop flight time
—
time difference · heading southeast
See live SIF→AOU fares Phone-only fares on this route — call free
Flight time details
1,643 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
- SIF — Simara Airport · Simara, 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 SIF
- KTM · Tribhuvan International Airport44 mi away
- BHR · Bharatpur Airport49 mi away
- MEY · Meghauli Airport54 mi away
- JKR · Janakpur Airport66 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 SIF from AOU?
The flight distance from Simara (SIF) to Attopeu (AOU) is 1,643 miles (2,644 km, 1,427 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIF 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 SIF to AOU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIF–AOU that never appear on search engines, with no booking fees.