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IDA to OSN: distance & flight time
Idaho Falls (Idaho Falls Regional Airport) → Osan (Osan Air Base)
5,749 mi
9,253 km · 4,996 nm
11h 44m
estimated nonstop flight time
+16h
time difference · heading northwest
See live IDA→OSN fares Phone-only fares on this route — call free
Flight time details
5,749 miles nonstop takes roughly 11h 44m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- IDA — Idaho Falls Regional Airport · Idaho Falls, United States
- OSN — Osan Air Base · Osan, 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 IDA
- PIH · Pocatello Regional Airport49 mi away
- JAC · Jackson Hole Airport67 mi away
- WYS · Yellowstone Airport94 mi away
- BYI · Burley Municipal Airport109 mi away
Near OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Frequently asked questions
How far is IDA from OSN?
The flight distance from Idaho Falls (IDA) to Osan (OSN) is 5,749 miles (9,253 km, 4,996 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IDA to OSN?
A nonstop flight takes about 11h 44m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from IDA to OSN?
Nonstop service on IDA–OSN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 11h 44m nonstop estimate.
What is the time difference between Idaho Falls and Osan?
Osan is 16 hours ahead of Idaho Falls.
What is the cheapest way to fly from IDA to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IDA–OSN that never appear on search engines, with no booking fees.
Why are some IDA to OSN fares phone-only?
Consolidator contracts let us sell certain IDA–OSN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.