Need help booking?
Unpublished phone-only deals available
IST to STL: distance & flight time
Istanbul (Istanbul Airport) → St. Louis (St Louis Lambert International Airport)
5,712 mi
9,192 km · 4,963 nm
11h 40m
estimated nonstop flight time
-8h
time difference · heading northwest
See live IST→STL fares Phone-only fares on this route — call free
Flight time details
5,712 miles nonstop takes roughly 11h 40m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- IST — Istanbul Airport · Istanbul, Turkey
- 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 IST
- ISL · Atatürk International Airport21 mi away
- SAW · Sabiha Gökçen International Airport39 mi away
- TEQ · Tekirdağ Çorlu Airport44 mi away
- BTZ · Bursa Airport73 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 IST from STL?
The flight distance from Istanbul (IST) to St. Louis (STL) is 5,712 miles (9,192 km, 4,963 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IST to STL?
A nonstop flight takes about 11h 40m 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 Istanbul and St. Louis?
St. Louis is 8 hours behind Istanbul.
What is the cheapest way to fly from IST to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IST–STL that never appear on search engines, with no booking fees.