Need help booking?
Unpublished phone-only deals available
OSH to HLN: distance & flight time
Oshkosh (Wittman Regional Airport) → Helena (Helena Regional Airport)
1,149 mi
1,848 km · 998 nm
2h 58m
estimated nonstop flight time
-1h
time difference · heading west
See live OSH→HLN fares Phone-only fares on this route — call free
Flight time details
1,149 miles nonstop takes roughly 2h 58m gate to gate, flying west. 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
- OSH — Wittman Regional Airport · Oshkosh, United States
- HLN — Helena Regional Airport · Helena, 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 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 HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Frequently asked questions
How far is OSH from HLN?
The flight distance from Oshkosh (OSH) to Helena (HLN) is 1,149 miles (1,848 km, 998 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSH to HLN?
A nonstop flight takes about 2h 58m 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 Oshkosh and Helena?
Helena is 1 hour behind Oshkosh.
What is the cheapest way to fly from OSH to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSH–HLN that never appear on search engines, with no booking fees.