Need help booking?
Unpublished phone-only deals available
OSH to HEL: distance & flight time
Oshkosh (Wittman Regional Airport) → Helsinki (Helsinki Vantaa Airport)
4,321 mi
6,954 km · 3,755 nm
8h 56m
estimated nonstop flight time
+8h
time difference · heading northeast
See live OSH→HEL fares Phone-only fares on this route — call free
Flight time details
4,321 miles nonstop takes roughly 8h 56m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- OSH — Wittman Regional Airport · Oshkosh, United States
- 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 OSH
- FLD · Fond du Lac County Airport15 mi away
- ATW · Appleton International Airport19 mi away
- SBM · Sheboygan County Memorial Airport38 mi away
- GRB · Austin Straubel International Airport41 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 OSH from HEL?
The flight distance from Oshkosh (OSH) to Helsinki (HEL) is 4,321 miles (6,954 km, 3,755 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSH to HEL?
A nonstop flight takes about 8h 56m 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 OSH to HEL?
Nonstop service on OSH–HEL 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 8h 56m nonstop estimate.
What is the time difference between Oshkosh and Helsinki?
Helsinki is 8 hours ahead of Oshkosh.
What is the cheapest way to fly from OSH to HEL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSH–HEL that never appear on search engines, with no booking fees.
Why are some OSH to HEL fares phone-only?
Consolidator contracts let us sell certain OSH–HEL 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.