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BTM to ONO: distance & flight time
Butte (Bert Mooney Airport) → Ontario (Ontario Municipal Airport)
258 mi
415 km · 224 nm
1h 9m
estimated nonstop flight time
Same time
time difference · heading southwest
See live BTM→ONO fares Phone-only fares on this route — call free
Flight time details
258 miles nonstop takes roughly 1h 9m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- BTM — Bert Mooney Airport · Butte, United States
- ONO — Ontario Municipal Airport · Ontario, 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 BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 mi away
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
Frequently asked questions
How far is BTM from ONO?
The flight distance from Butte (BTM) to Ontario (ONO) is 258 miles (415 km, 224 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to ONO?
A nonstop flight takes about 1h 9m 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 cheapest way to fly from BTM to ONO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–ONO that never appear on search engines, with no booking fees.