Need help booking?
Unpublished phone-only deals available
ORD to HMY: distance & flight time
Chicago (Chicago O'Hare International Airport) → Seosan (Seosan Air Base)
6,583 mi
10,595 km · 5,721 nm
13h 23m
estimated nonstop flight time
—
time difference · heading northwest
See live ORD→HMY fares Phone-only fares on this route — call free
Flight time details
6,583 miles nonstop takes roughly 13h 23m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ORD — Chicago O'Hare International Airport · Chicago, United States
- HMY — Seosan Air Base · Seosan, 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 ORD
- PWK · Chicago Executive Airport9 mi away
- MDW · Chicago Midway International Airport15 mi away
- CGX · Chicago Meigs Airport17 mi away
- DPA · Dupage Airport18 mi away
Near HMY
- ICN · Incheon International Airport53 mi away
- OSN · Osan Air Base40 mi away
- SWU · Suwon Airport47 mi away
- KUV · Kunsan Air Base56 mi away
Frequently asked questions
How far is ORD from HMY?
The flight distance from Chicago (ORD) to Seosan (HMY) is 6,583 miles (10,595 km, 5,721 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ORD to HMY?
A nonstop flight takes about 13h 23m 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 cheapest way to fly from ORD to HMY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ORD–HMY that never appear on search engines, with no booking fees.