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LWS to REP: distance & flight time
Lewiston (Lewiston Nez Perce County Airport) → Siem-reap (Siem Reap International Airport)
7,592 mi
12,217 km · 6,597 nm
15h 21m
estimated nonstop flight time
+14h
time difference · heading northwest
See live LWS→REP fares Phone-only fares on this route — call free
Flight time details
7,592 miles nonstop takes roughly 15h 21m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- LWS — Lewiston Nez Perce County Airport · Lewiston, 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 LWS
- PUW · Pullman Moscow Regional Airport26 mi away
- ALW · Walla Walla Regional Airport64 mi away
- GEG · Spokane International Airport89 mi away
- LGD · La Grande/Union County Airport89 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 LWS from REP?
The flight distance from Lewiston (LWS) to Siem-reap (REP) is 7,592 miles (12,217 km, 6,597 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LWS to REP?
A nonstop flight takes about 15h 21m 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 Lewiston and Siem-reap?
Siem-reap is 14 hours ahead of Lewiston.
What is the cheapest way to fly from LWS to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LWS–REP that never appear on search engines, with no booking fees.