Need help booking?
Unpublished phone-only deals available
IWK to STL: distance & flight time
Iwakuni (Iwakuni Marine Corps Air Station) → St. Louis (St Louis Lambert International Airport)
6,710 mi
10,798 km · 5,831 nm
13h 37m
estimated nonstop flight time
—
time difference · heading northeast
See live IWK→STL fares Phone-only fares on this route — call free
Flight time details
6,710 miles nonstop takes roughly 13h 37m gate to gate, flying northeast. 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
- IWK — Iwakuni Marine Corps Air Station · Iwakuni, Japan
- STL — St Louis Lambert International Airport · St. Louis, 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 IWK
- HIW · Hiroshimanishi Airport18 mi away
- MYJ · Matsuyama Airport34 mi away
- HIJ · Hiroshima Airport44 mi away
- IWJ · Iwami Airport45 mi away
Near STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
Frequently asked questions
How far is IWK from STL?
The flight distance from Iwakuni (IWK) to St. Louis (STL) is 6,710 miles (10,798 km, 5,831 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IWK to STL?
A nonstop flight takes about 13h 37m 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 IWK to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IWK–STL that never appear on search engines, with no booking fees.