Lowest Prices
Uncover the best deals on Missoula to Ontario flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest MSO - ONT Flights
Useful information for finding best airline tickets from Missoula International to Ontario International on your next trip.
Cheapest Round Trip Flight
$219
American Airlines
• 1 stop
• 12h 21m
Nov 02 – Nov 13
The cheapest round trip flight from Missoula to Ontario (MSO-ONT-MSO) is currently $219
Fastest Flight
6h 49m
The fastest nonstop flight from Missoula to Ontario (MSO-ONT) takes 6h 49m
Top Airlines Flying from Missoula to Ontario
Latest Flight Deals from Missoula (MSO) to Ontario (ONT)
Compare and book low fare round-trip air tickets from Missoula to Ontario. Ideal for travelers with confirmed return itineraries.
Nov 02 - Nov 13, Economy
Missoula → Ontario
12h 21m
6:50 AM - 1:31 PM • 1 stop
Missoula → Ontario
13h 38m
10:57 AM - 8:15 PM • 1 stop
American Airlines
Oct 29 - Nov 14, Economy
Missoula → Ontario
11h 53m
7:03 AM - 1:16 PM • 1 stop
Missoula → Ontario
10h 31m
8:00 AM - 3:31 PM • 1 stop
Alaska Airlines
Nov 01 - Nov 14, Economy
Missoula → Ontario
6h 49m
1:14 PM - 4:23 PM • 1 stop
Missoula → Ontario
8h 34m
11:34 AM - 5:48 PM • 1 stop
Delta Airlines
Oct 29 - Nov 14, Economy
Missoula → Ontario
10h 32m
6:23 PM - 11:55 PM • 1 stop
Missoula → Ontario
8h 34m
11:34 AM - 5:48 PM • 1 stop
Delta Airlines
Oct 29 - Nov 14, Economy
Missoula → Ontario
6h 49m
1:14 PM - 4:23 PM • 1 stop
Missoula → Ontario
9h 14m
5:45 AM - 12:39 PM • 1 stop
Delta Airlines
Flying to Ontario soon? We've surfaced some of the most affordable last-minute flights from Missoula to Ontario, ideal for urgent plans or spontaneous trips.
Oct 31 - Nov 15, Economy
Missoula → Ontario
15h 6m
1:05 PM - 9:11 PM • 1 stop
Missoula → Ontario
13h 38m
10:57 AM - 8:15 PM • 1 stop
American Airlines
Oct 29 - Nov 14, Economy
Missoula → Ontario
11h 53m
7:03 AM - 1:16 PM • 1 stop
Missoula → Ontario
10h 31m
8:00 AM - 3:31 PM • 1 stop
Alaska Airlines
Oct 31 - Nov 15, Economy
Missoula → Ontario
11h 58m
6:15 AM - 12:33 PM • 1 stop
Missoula → Ontario
10h 18m
2:29 PM - 9:47 PM • 1 stop
United Airlines
Nov 01 - Nov 14, Economy
Missoula → Ontario
6h 49m
1:14 PM - 4:23 PM • 1 stop
Missoula → Ontario
8h 34m
11:34 AM - 5:48 PM • 1 stop
Delta Airlines
Oct 29 - Nov 14, Economy
Missoula → Ontario
10h 32m
6:23 PM - 11:55 PM • 1 stop
Missoula → Ontario
8h 34m
11:34 AM - 5:48 PM • 1 stop
Delta Airlines
FAQs on Missoula to Ontario Flights
What are the airports in Missoula?
MSO
What’s the most popular airline flying from MSO to ONT?
The most popular airline flying from Missoula to Ontario are
Can I fly from MSO to ONT non-stop?
NO
Which airlines fly nonstop between Missoula and Ontario?
The non-stop flights between Missoula and Ontario are .
What’s the earliest departure time from MSO to ONT Airport?
The earliest flight leaves MSO at 6:15 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Missoula to Ontario flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from MSO to ONT?
Read the fare rules of the Missoula to Ontario air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Missoula and Ontario?
operate flights between Missoula and Ontario
How long does a flight from Missoula to Ontario take?
It takes approximately 2 hour to fly non-stop from MSO to ONT, which is 906.17 miles by air.
Which airlines provide the cheapest flights from Missoula (MSO) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from MSO were found on DL : USD 518
Do I need a passport to fly between MSO and ONT?
No
What’s the latest departure time from MSO to ONT ?
The last flight leaves MSO at 6:25 pm
Missoula (MSO) to Ontario (ONT): Airport Information
| Origin Airport | Missoula International , Missoula, US |
| Destination Airport | Ontario International , Ontario, US |
| Distance | 906 miles |
More Flight Options for Missoula (MSO) and Ontario (ONT)
Flights from Detroit (DTW)
to Ontario (ONT)
Flights from Detroit (DTW)
to Ontario (ONT)
Flights from Baltimore (BWI)
to Ontario (ONT)
Flights from Baltimore (BWI)
to Ontario (ONT)
Flights from Chicago (ORD)
to Ontario (ONT)
Flights from Chicago (ORD)
to Ontario (ONT)
Flights from Denver (DEN)
to Ontario (ONT)
Flights from Denver (DEN)
to Ontario (ONT)
Flights from Fort Lauderdale (FLL)
to Ontario (ONT)
Flights from Fort Lauderdale (FLL)
to Ontario (ONT)
Flights from Dallas (DFW)
to Ontario (ONT)
Flights from Dallas (DFW)
to Ontario (ONT)
Flights from Tampa (TPA)
to Ontario (ONT)
Flights from Tampa (TPA)
to Ontario (ONT)
Flights from New York (LGA)
to Ontario (ONT)
Flights from New York (LGA)
to Ontario (ONT)
Flights from Salt Lake City (SLC)
to Ontario (ONT)
Flights from Salt Lake City (SLC)
to Ontario (ONT)
Flights from Nashville (BNA)
to Ontario (ONT)
Flights from Nashville (BNA)
to Ontario (ONT)
Cheap flights to North America (NA)
Cheap flights to United States (US)
Cheap flights to California (US-CA)
Cheap flights to Montana (US-MT)
Cheap flights from North America (NA)
Cheap flights from United States (US)
Cheap flights from Montana (US-MT)
Cheap flights from California (US-CA)
Flights to Missoula (MSO)
Flights to Ontario (ONT)
Flights to Ontario (ONT)
Flights from Missoula (MSO)
Flights from Ontario (ONT)
Flights from Ontario (ONT)
to Missoula (MSO)
Flights from Ontario (ONT)
to Missoula (MSO)
Why Fareleaders for MSO to ONT Plane Tickets
New Deals Everyday
Get the best prices on MSO to ONT flights—we update our fares daily so you never miss a saving.
No Service Fees
Compare hundreds of Missoula to Ontario flights and secure the best deals—we never add any service fees.