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KOS to PHX: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Phoenix (Phoenix Sky Harbor International Airport)
8,598 mi
13,836 km · 7,471 nm
17h 19m
estimated nonstop flight time
-14h
time difference · heading northeast
See live KOS→PHX fares Phone-only fares on this route — call free
Flight time details
8,598 miles nonstop takes roughly 17h 19m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- PHX — Phoenix Sky Harbor International Airport · Phoenix, 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 KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Near PHX
- SCF · Scottsdale Airport14 mi away
- MSC · Falcon Field16 mi away
- DVT · Phoenix Deer Valley Airport18 mi away
- GYR · Phoenix Goodyear Airport21 mi away
Frequently asked questions
How far is KOS from PHX?
The flight distance from Sihanoukville (KOS) to Phoenix (PHX) is 8,598 miles (13,836 km, 7,471 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to PHX?
A nonstop flight takes about 17h 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 Sihanoukville and Phoenix?
Phoenix is 14 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to PHX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–PHX that never appear on search engines, with no booking fees.