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HEL to SDY: distance & flight time
Helsinki (Helsinki Vantaa Airport) → Sidney (Sidney - Richland Regional Airport)
4,449 mi
7,160 km · 3,866 nm
9h 11m
estimated nonstop flight time
-9h
time difference · heading northwest
See live HEL→SDY fares Phone-only fares on this route — call free
Flight time details
4,449 miles nonstop takes roughly 9h 11m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- HEL — Helsinki Vantaa Airport · Helsinki, Finland
- SDY — Sidney - Richland Regional Airport · Sidney, United States
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 SDY
- ISN · Sloulin Field International Airport41 mi away
- GDV · Dawson Community Airport49 mi away
- OLF · L M Clayton Airport69 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport91 mi away
Frequently asked questions
How far is HEL from SDY?
The flight distance from Helsinki (HEL) to Sidney (SDY) is 4,449 miles (7,160 km, 3,866 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEL to SDY?
A nonstop flight takes about 9h 11m 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 Sidney?
Sidney is 9 hours behind Helsinki.
What is the cheapest way to fly from HEL to SDY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEL–SDY that never appear on search engines, with no booking fees.