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CPR to ICN: distance & flight time
Casper (Casper-Natrona County International Airport) → Seoul (Incheon International Airport)
5,966 mi
9,602 km · 5,185 nm
12h 10m
estimated nonstop flight time
+15h
time difference · heading northwest
See live CPR→ICN fares Phone-only fares on this route — call free
Flight time details
5,966 miles nonstop takes roughly 12h 10m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- CPR — Casper-Natrona County International Airport · Casper, United States
- ICN — Incheon International Airport · Seoul, South Korea
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 CPR
- RWL · Rawlins Municipal Airport/Harvey Field85 mi away
- RIW · Riverton Regional Airport101 mi away
- SAA · Shively Field103 mi away
- WRL · Worland Municipal Airport104 mi away
Near ICN
- GMP · Gimpo International Airport20 mi away
- SWU · Suwon Airport34 mi away
- SSN · Seoul Air Base (K-16)36 mi away
- OSN · Osan Air Base41 mi away
Frequently asked questions
How far is CPR from ICN?
The flight distance from Casper (CPR) to Seoul (ICN) is 5,966 miles (9,602 km, 5,185 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CPR to ICN?
A nonstop flight takes about 12h 10m 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 Casper and Seoul?
Seoul is 15 hours ahead of Casper.
What is the cheapest way to fly from CPR to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CPR–ICN that never appear on search engines, with no booking fees.