Need help booking?
Unpublished phone-only deals available
TKU to STL: distance & flight time
Turku (Turku Airport) → St. Louis (St Louis Lambert International Airport)
4,602 mi
7,406 km · 3,999 nm
9h 29m
estimated nonstop flight time
-8h
time difference · heading northwest
See live TKU→STL fares Phone-only fares on this route — call free
Flight time details
4,602 miles nonstop takes roughly 9h 29m 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
- TKU — Turku Airport · Turku, Finland
- 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 TKU
- POR · Pori Airport67 mi away
- TMP · Tampere-Pirkkala Airport77 mi away
- MHQ · Mariehamn Airport85 mi away
- HYV · Hyvinkää Airfield89 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 TKU from STL?
The flight distance from Turku (TKU) to St. Louis (STL) is 4,602 miles (7,406 km, 3,999 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TKU to STL?
A nonstop flight takes about 9h 29m 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 Turku and St. Louis?
St. Louis is 8 hours behind Turku.
What is the cheapest way to fly from TKU to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TKU–STL that never appear on search engines, with no booking fees.