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REP to WYS: distance & flight time
Siem-reap (Siem Reap International Airport) → West Yellowstone (Yellowstone Airport)
7,864 mi
12,656 km · 6,834 nm
15h 53m
estimated nonstop flight time
-13h
time difference · heading northeast
See live REP→WYS fares Phone-only fares on this route — call free
Flight time details
7,864 miles nonstop takes roughly 15h 53m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- REP — Siem Reap International Airport · Siem-reap, Cambodia
- WYS — Yellowstone Airport · West Yellowstone, United States
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 REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Near WYS
- BZN · Gallatin Field75 mi away
- JAC · Jackson Hole Airport77 mi away
- LVM · Mission Field77 mi away
- IDA · Idaho Falls Regional Airport94 mi away
Frequently asked questions
How far is REP from WYS?
The flight distance from Siem-reap (REP) to West Yellowstone (WYS) is 7,864 miles (12,656 km, 6,834 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from REP to WYS?
A nonstop flight takes about 15h 53m 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 Siem-reap and West Yellowstone?
West Yellowstone is 13 hours behind Siem-reap.
What is the cheapest way to fly from REP to WYS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on REP–WYS that never appear on search engines, with no booking fees.