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STL to LPP: distance & flight time
St. Louis (St Louis Lambert International Airport) → Lappeenranta (Lappeenranta Airport)
4,729 mi
7,611 km · 4,109 nm
9h 44m
estimated nonstop flight time
+8h
time difference · heading northeast
See live STL→LPP fares Phone-only fares on this route — call free
Flight time details
4,729 miles nonstop takes roughly 9h 44m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- LPP — Lappeenranta Airport · Lappeenranta, Finland
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 LPP
- UTI · Utti Air Base42 mi away
- MIK · Mikkeli Airport54 mi away
- SVL · Savonlinna Airport67 mi away
- VRK · Varkaus Airport78 mi away
Frequently asked questions
How far is STL from LPP?
The flight distance from St. Louis (STL) to Lappeenranta (LPP) is 4,729 miles (7,611 km, 4,109 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to LPP?
A nonstop flight takes about 9h 44m 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 Lappeenranta?
Lappeenranta is 8 hours ahead of St. Louis.
What is the cheapest way to fly from STL to LPP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–LPP that never appear on search engines, with no booking fees.