Need help booking?
Unpublished phone-only deals available
SDF to HEM: distance & flight time
Louisville (Louisville International Standiford Field) → Helsinki (Helsinki Malmi Airport)
4,597 mi
7,398 km · 3,995 nm
9h 29m
estimated nonstop flight time
+7h
time difference · heading northeast
See live SDF→HEM fares Phone-only fares on this route — call free
Flight time details
4,597 miles nonstop takes roughly 9h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- SDF — Louisville International Standiford Field · Louisville, United States
- HEM — Helsinki Malmi 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 SDF
- LOU · Bowman Field5 mi away
- FTK · Godman Army Air Field22 mi away
- FFT · Capital City Airport45 mi away
- LEX · Blue Grass Airport62 mi away
Near HEM
- HEL · Helsinki Vantaa Airport5 mi away
- HYV · Hyvinkää Airfield28 mi away
- TLL · Lennart Meri Tallinn Airport59 mi away
- QLF · Lahti Vesivehmaa Airport65 mi away
Frequently asked questions
How far is SDF from HEM?
The flight distance from Louisville (SDF) to Helsinki (HEM) is 4,597 miles (7,398 km, 3,995 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDF to HEM?
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 Louisville and Helsinki?
Helsinki is 7 hours ahead of Louisville.
What is the cheapest way to fly from SDF to HEM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDF–HEM that never appear on search engines, with no booking fees.