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STL to ADL: distance & flight time
St. Louis (St Louis Lambert International Airport) → Adelaide (Adelaide International Airport)
9,752 mi
15,695 km · 8,475 nm
19h 35m
estimated nonstop flight time
+14.5h
time difference · heading west
See live STL→ADL fares Phone-only fares on this route — call free
Flight time details
9,752 miles nonstop takes roughly 19h 35m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14.5-hour time gain when reading arrival times on your ticket.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- ADL — Adelaide International Airport · Adelaide, Australia
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 ADL
- PEA · Penneshaw Airport65 mi away
- KGC · Kingscote Airport78 mi away
- PPI · Port Pirie Airport122 mi away
- RMK · Renmark Airport132 mi away
Frequently asked questions
How far is STL from ADL?
The flight distance from St. Louis (STL) to Adelaide (ADL) is 9,752 miles (15,695 km, 8,475 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to ADL?
A nonstop flight takes about 19h 35m 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 Adelaide?
Adelaide is 14.5 hours ahead of St. Louis.
What is the cheapest way to fly from STL to ADL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–ADL that never appear on search engines, with no booking fees.