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ONO to GTF: distance & flight time
Ontario (Ontario Municipal Airport) → Great Falls (Great Falls International Airport)
362 mi
583 km · 315 nm
1h 25m
estimated nonstop flight time
Same time
time difference · heading northeast
See live ONO→GTF fares Phone-only fares on this route — call free
Flight time details
362 miles nonstop takes roughly 1h 25m gate to gate, flying northeast. 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
- ONO — Ontario Municipal Airport · Ontario, United States
- GTF — Great Falls International Airport · Great Falls, 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 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Frequently asked questions
How far is ONO from GTF?
The flight distance from Ontario (ONO) to Great Falls (GTF) is 362 miles (583 km, 315 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to GTF?
A nonstop flight takes about 1h 25m 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 ONO to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–GTF that never appear on search engines, with no booking fees.