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STL to HEL: distance & flight time
St. Louis (St Louis Lambert International Airport) → Helsinki (Helsinki Vantaa Airport)
4,682 mi
7,534 km · 4,068 nm
9h 39m
estimated nonstop flight time
+8h
time difference · heading northeast
See live STL→HEL fares Phone-only fares on this route — call free
Flight time details
4,682 miles nonstop takes roughly 9h 39m 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
- HEL — Helsinki Vantaa Airport · Helsinki, 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 HEL
- HEM · Helsinki Malmi Airport5 mi away
- HYV · Hyvinkää Airfield23 mi away
- QLF · Lahti Vesivehmaa Airport62 mi away
- TLL · Lennart Meri Tallinn Airport63 mi away
Frequently asked questions
How far is STL from HEL?
The flight distance from St. Louis (STL) to Helsinki (HEL) is 4,682 miles (7,534 km, 4,068 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to HEL?
A nonstop flight takes about 9h 39m 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 Helsinki?
Helsinki is 8 hours ahead of St. Louis.
What is the cheapest way to fly from STL to HEL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–HEL that never appear on search engines, with no booking fees.