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SLD to HEL: distance & flight time
Sliac (Sliač Airport) → Helsinki (Helsinki Vantaa Airport)
839 mi
1,351 km · 729 nm
2h 17m
estimated nonstop flight time
+1h
time difference · heading north
See live SLD→HEL fares Phone-only fares on this route — call free
Flight time details
839 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
- 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 SLD
- ILZ · Žilina Airport47 mi away
- TAT · Poprad-Tatry Airport59 mi away
- PZY · Piešťany Airport60 mi away
- UHE · Kunovice Airport82 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 SLD from HEL?
The flight distance from Sliac (SLD) to Helsinki (HEL) is 839 miles (1,351 km, 729 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SLD to HEL?
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.
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 HEL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SLD–HEL that never appear on search engines, with no booking fees.