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OSY to HEM: distance & flight time
Namsos (Namsos Høknesøra Airport) → Helsinki (Helsinki Malmi Airport)
519 mi
835 km · 451 nm
1h 36m
estimated nonstop flight time
+1h
time difference · heading southeast
See live OSY→HEM fares Phone-only fares on this route — call free
Flight time details
519 miles nonstop takes roughly 1h 36m gate to gate, flying southeast. 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
- OSY — Namsos Høknesøra Airport · Namsos, Norway
- 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 OSY
- RVK · Rørvik Airport, Ryum28 mi away
- BNN · Brønnøysund Airport71 mi away
- TRD · Trondheim Airport Værnes73 mi away
- OLA · Ørland Airport80 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 OSY from HEM?
The flight distance from Namsos (OSY) to Helsinki (HEM) is 519 miles (835 km, 451 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSY to HEM?
A nonstop flight takes about 1h 36m 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 OSY to HEM?
Nonstop service on OSY–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 1h 36m nonstop estimate.
What is the time difference between Namsos and Helsinki?
Helsinki is 1 hour ahead of Namsos.
What is the cheapest way to fly from OSY to HEM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSY–HEM that never appear on search engines, with no booking fees.
Why are some OSY to HEM fares phone-only?
Consolidator contracts let us sell certain OSY–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.