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TKU to ALN: distance & flight time
Turku (Turku Airport) → Alton/St Louis (St Louis Regional Airport)
4,585 mi
7,378 km · 3,984 nm
9h 27m
estimated nonstop flight time
—
time difference · heading northwest
See live TKU→ALN fares Phone-only fares on this route — call free
Flight time details
4,585 miles nonstop takes roughly 9h 27m gate to gate, flying northwest. 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
- TKU — Turku Airport · Turku, Finland
- ALN — St Louis Regional Airport · Alton/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 ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Frequently asked questions
How far is TKU from ALN?
The flight distance from Turku (TKU) to Alton/St Louis (ALN) is 4,585 miles (7,378 km, 3,984 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TKU to ALN?
A nonstop flight takes about 9h 27m 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 TKU to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TKU–ALN that never appear on search engines, with no booking fees.