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OTH to HLN: distance & flight time
North Bend (Southwest Oregon Regional Airport) → Helena (Helena Regional Airport)
637 mi
1,026 km · 554 nm
1h 51m
estimated nonstop flight time
+1h
time difference · heading northeast
See live OTH→HLN fares Phone-only fares on this route — call free
Flight time details
637 miles nonstop takes roughly 1h 51m gate to gate, flying northeast. 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
- OTH — Southwest Oregon Regional Airport · North Bend, 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 OTH
- EUG · Mahlon Sweet Field71 mi away
- ONP · Newport Municipal Airport81 mi away
- CVO · Corvallis Municipal Airport88 mi away
- MFR · Rogue Valley International Medford Airport100 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 OTH from HLN?
The flight distance from North Bend (OTH) to Helena (HLN) is 637 miles (1,026 km, 554 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OTH to HLN?
A nonstop flight takes about 1h 51m 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 North Bend and Helena?
Helena is 1 hour ahead of North Bend.
What is the cheapest way to fly from OTH to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OTH–HLN that never appear on search engines, with no booking fees.