Need help booking?
Unpublished phone-only deals available
SLD to HEM: distance & flight time
Sliac (Sliač Airport) → Helsinki (Helsinki Malmi Airport)
836 mi
1,346 km · 727 nm
2h 17m
estimated nonstop flight time
+1h
time difference · heading north
See live SLD→HEM fares Phone-only fares on this route — call free
Flight time details
836 miles nonstop takes roughly 2h 17m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- SLD — Sliač Airport · Sliac, Slovakia
- 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 SLD
- ILZ · Žilina Airport47 mi away
- TAT · Poprad-Tatry Airport59 mi away
- PZY · Piešťany Airport60 mi away
- UHE · Kunovice Airport82 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 SLD from HEM?
The flight distance from Sliac (SLD) to Helsinki (HEM) is 836 miles (1,346 km, 727 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SLD to HEM?
A nonstop flight takes about 2h 17m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SLD to HEM?
Nonstop service on SLD–HEM depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 2h 17m nonstop estimate.
What is the time difference between Sliac and Helsinki?
Helsinki is 1 hour ahead of Sliac.
What is the cheapest way to fly from SLD to HEM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SLD–HEM that never appear on search engines, with no booking fees.
Why are some SLD to HEM fares phone-only?
Consolidator contracts let us sell certain SLD–HEM tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.