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STL to KIX: distance & flight time
St. Louis (St Louis Lambert International Airport) → Osaka (Kansai International Airport)
6,599 mi
10,621 km · 5,735 nm
13h 24m
estimated nonstop flight time
+14h
time difference · heading northwest
See live STL→KIX fares Phone-only fares on this route — call free
Flight time details
6,599 miles nonstop takes roughly 13h 24m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- KIX — Kansai International Airport · Osaka, Japan
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 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
Near KIX
- UKB · Kobe Airport14 mi away
- ITM · Osaka International Airport27 mi away
- TKS · Tokushima Airport/JMSDF Air Base42 mi away
- SHM · Nanki Shirahama Airport53 mi away
Frequently asked questions
How far is STL from KIX?
The flight distance from St. Louis (STL) to Osaka (KIX) is 6,599 miles (10,621 km, 5,735 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to KIX?
A nonstop flight takes about 13h 24m 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 St. Louis and Osaka?
Osaka is 14 hours ahead of St. Louis.
What is the cheapest way to fly from STL to KIX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–KIX that never appear on search engines, with no booking fees.