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AUS to REP: distance & flight time
Austin (Austin Bergstrom International Airport) → Siem-reap (Siem Reap International Airport)
9,102 mi
14,648 km · 7,909 nm
18h 19m
estimated nonstop flight time
+12h
time difference · heading northwest
See live AUS→REP fares Phone-only fares on this route — call free
Flight time details
9,102 miles nonstop takes roughly 18h 19m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- AUS — Austin Bergstrom International Airport · Austin, United States
- REP — Siem Reap International Airport · Siem-reap, Cambodia
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 AUS
- RND · Randolph Air Force Base59 mi away
- GRK · Robert Gray Army Air Field Airport61 mi away
- HLR · Hood Army Air Field65 mi away
- SAT · San Antonio International Airport66 mi away
Near REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Frequently asked questions
How far is AUS from REP?
The flight distance from Austin (AUS) to Siem-reap (REP) is 9,102 miles (14,648 km, 7,909 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AUS to REP?
A nonstop flight takes about 18h 19m 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 Austin and Siem-reap?
Siem-reap is 12 hours ahead of Austin.
What is the cheapest way to fly from AUS to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AUS–REP that never appear on search engines, with no booking fees.