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HEL to SLD: distance & flight time
Helsinki (Helsinki Vantaa Airport) → Sliac (Sliač Airport)
839 mi
1,351 km · 729 nm
2h 17m
estimated nonstop flight time
-1h
time difference · heading south
See live HEL→SLD fares Phone-only fares on this route — call free
Flight time details
839 miles nonstop takes roughly 2h 17m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- HEL — Helsinki Vantaa Airport · Helsinki, Finland
- SLD — Sliač Airport · Sliac, Slovakia
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 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
Near SLD
- ILZ · Žilina Airport47 mi away
- TAT · Poprad-Tatry Airport59 mi away
- PZY · Piešťany Airport60 mi away
- UHE · Kunovice Airport82 mi away
Frequently asked questions
How far is HEL from SLD?
The flight distance from Helsinki (HEL) to Sliac (SLD) is 839 miles (1,351 km, 729 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEL to SLD?
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 Helsinki and Sliac?
Sliac is 1 hour behind Helsinki.
What is the cheapest way to fly from HEL to SLD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEL–SLD that never appear on search engines, with no booking fees.