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ONO to HEM: distance & flight time
Ontario (Ontario Municipal Airport) → Helsinki (Helsinki Malmi Airport)
4,921 mi
7,919 km · 4,276 nm
10h 7m
estimated nonstop flight time
+9h
time difference · heading north
See live ONO→HEM fares Phone-only fares on this route — call free
Flight time details
4,921 miles nonstop takes roughly 10h 7m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- ONO — Ontario Municipal Airport · Ontario, United States
- 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 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 ONO from HEM?
The flight distance from Ontario (ONO) to Helsinki (HEM) is 4,921 miles (7,919 km, 4,276 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to HEM?
A nonstop flight takes about 10h 7m 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 Ontario and Helsinki?
Helsinki is 9 hours ahead of Ontario.
What is the cheapest way to fly from ONO to HEM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–HEM that never appear on search engines, with no booking fees.