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IAG to REP: distance & flight time
Niagara Falls (Niagara Falls International Airport) → Siem-reap (Siem Reap International Airport)
8,528 mi
13,724 km · 7,411 nm
17h 11m
estimated nonstop flight time
+11h
time difference · heading north
See live IAG→REP fares Phone-only fares on this route — call free
Flight time details
8,528 miles nonstop takes roughly 17h 11m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- IAG — Niagara Falls International Airport · Niagara Falls, 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 IAG
- YYZ · Lester B. Pearson International Airport52 mi away
- YCM · Niagara District Airport13 mi away
- BUF · Buffalo Niagara International Airport16 mi away
- DU9 · Dunnville Airport37 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 IAG from REP?
The flight distance from Niagara Falls (IAG) to Siem-reap (REP) is 8,528 miles (13,724 km, 7,411 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAG to REP?
A nonstop flight takes about 17h 11m 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 Niagara Falls and Siem-reap?
Siem-reap is 11 hours ahead of Niagara Falls.
What is the cheapest way to fly from IAG to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAG–REP that never appear on search engines, with no booking fees.