Need help booking?
Unpublished phone-only deals available
ONT to MSO: distance & flight time
Ontario (Ontario International Airport) → Missoula (Missoula International Airport)
907 mi
1,460 km · 788 nm
2h 26m
estimated nonstop flight time
+1h
time difference · heading north
See live ONT→MSO fares Phone-only fares on this route — call free
Flight time details
907 miles nonstop takes roughly 2h 26m gate to gate, flying north. 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
- ONT — Ontario International Airport · Ontario, United States
- MSO — Missoula International Airport · Missoula, 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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Near MSO
- FCA · Glacier Park International Airport97 mi away
- BTM · Bert Mooney Airport101 mi away
- HLN · Helena Regional Airport102 mi away
- SMN · Lemhi County Airport124 mi away
Frequently asked questions
How far is ONT from MSO?
The flight distance from Ontario (ONT) to Missoula (MSO) is 907 miles (1,460 km, 788 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONT to MSO?
A nonstop flight takes about 2h 26m 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 ONT to MSO?
Nonstop service on ONT–MSO 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 2h 26m nonstop estimate.
What is the time difference between Ontario and Missoula?
Missoula is 1 hour ahead of Ontario.
What is the cheapest way to fly from ONT to MSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONT–MSO that never appear on search engines, with no booking fees.
Why are some ONT to MSO fares phone-only?
Consolidator contracts let us sell certain ONT–MSO 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.