Cheap flights from Ontario to Missoula (ONT - MSO) from $102
This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
The best prices from Ontario to Missoula Johnson-Bell Field are usually found in December or October, booked 45 days in advance, depart on a Monday or Tuesday and return on a Monday
How to find the cheapest flight from Ontario (ONT) to Missoula (MSO)
All the information you need to plan the best ONT to MSO flight in 2023: compare Ontario to Missoula flight prices with the expected peak season, weather and rainfall in Missoula.
Popular in | February |
|---|---|
Cheapest in | December |
Round-trip from | $377 |
One-way from | $154 |
ONT - MSO Price | $377 - $741 |
|---|---|
MSO Temperature | 24.8 - 68 °F |
MSO Rainfall | 0.7 - 2.1 inches |
What is the cheapest day to fly round-trip from Ontario to Missoula?
Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Missoula. Check prices with Cheapflights to find a great deal for your trip.
How far in advance should I book a flight from Ontario to Missoula?
To save up to 62% on this flight, we recommend booking at least 40 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to Missoula from $492 1-2 weeks out and tickets from $612 for flights departing within the next 72 hours.
What is the cheapest month to fly from Ontario to Missoula?
Due to multiple factors, expect to potentially pay more when booking in November. For low rates, February can be a great choice for travel to Missoula. Flights to Missoula from Ontario in February are about $393 on average during February, but can be found for as low as $242.
When is the cheapest time to fly from Ontario to Missoula (ONT - MSO)?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Missoula as you normally would.
Cheap Delta flights from Ontario to Missoula
Check out some of the cheapest Delta flights we've come across from Ontario to Missoula. Make sure to double check the flight details before booking.
Cheap United Airlines flights from Ontario to Missoula
To aid your search, here are some of the cheapest United Airlines flights we've found from Ontario to Missoula. Check back soon if you're not seeing flights that suit your needs.
Cheap Ontario to Missoula flights in September & October 2023
The best prices found for ONT to MSO flights for September, October
Listed are some of the best fares we've found on flights departing from Ontario to Missoula in 2023. Check back regularly for other flight deals.
Ontario to Missoula 2023 flight deals
Cheap flights to Missoula from Ontario found for this year
Listed are some of the best fares we've found on flights departing from Ontario to Missoula in 2023. Check back regularly for other flight deals.
Ontario to Missoula flights leaving soon
Late deals on return flights to Missoula from Ontario, departing today and this week
Users seeking a last-minute flight from Ontario to Missoula should consider booking one of these fares. It's wise to confirm all flight details are correct before booking.
One-way flights to Missoula from Ontario
The cheapest one-way flights from Ontario to Missoula
Users in need of a one-way flight from Ontario to Missoula can choose from these deals. Users can also find round-trip Ontario to Missoula flights by using the search form above.
Find flights from Ontario to Missoula within your budget
Use the slider to find flights from Ontario to Missoula that fit your budget.
Fly from
Fly to
Budget
$316 - $757
Route
Depart
Return
Price
OntarioMissoula Johnson-Bell Field
ONT - MSO
ONTMSO
Ontario
Tue 10/24
1 stop4h 16m
Missoula Johnson-Bell Field
Sat 10/28
2 stops9h 27m
OntarioMissoula Johnson-Bell Field
ONT - MSO
ONTMSO
Ontario
Tue 11/14
2 stops12h 23m
Missoula Johnson-Bell Field
Thu 11/16
1 stop6h 50m
OntarioMissoula Johnson-Bell Field
ONT - MSO
ONTMSO
Ontario
Tue 10/24
1 stop4h 16m
Missoula Johnson-Bell Field
Sat 11/4
1 stop5h 24m
OntarioMissoula Johnson-Bell Field
ONT - MSO
ONTMSO
Ontario
Sat 1/13
1 stop4h 30m
Missoula Johnson-Bell Field
Sat 1/20
2 stops9h 25m
OntarioMissoula Johnson-Bell Field
ONT - MSO
ONTMSO
Ontario
Fri 11/3
1 stop6h 47m
Missoula Johnson-Bell Field
Tue 11/7
1 stop7h 13m
OntarioMissoula Johnson-Bell Field
ONT - MSO
ONTMSO
Ontario
Mon 10/23
1 stop10h 37m
Missoula Johnson-Bell Field
Fri 10/27
1 stop11h 25m
OntarioMissoula Johnson-Bell Field
ONT - MSO
ONTMSO
Ontario
Mon 10/23
1 stop10h 37m
Missoula Johnson-Bell Field
Thu 10/26
2 stops10h 05m
OntarioMissoula Johnson-Bell Field
ONT - MSO
ONTMSO
Ontario
Sat 10/14
1 stop7h 08m
Missoula Johnson-Bell Field
Fri 10/20
1 stop28h 13m
OntarioMissoula Johnson-Bell Field
ONT - MSO
ONTMSO
Ontario
Mon 10/30
1 stop5h 10m
Missoula Johnson-Bell Field
Mon 10/30
1 stop5h 08m
Reviews of airlines servicing Missoula
See what other customers who have flown with Delta, United Airlines and American Airlines from Ontario to Missoula have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
People working on plane were terrific My business class seat was very uncomfortable. Blankets and pillows were not available. Food was barely OK
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
People working on plane were terrific My business class seat was very uncomfortable. Blankets and pillows were not available. Food was barely OK
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
People working on plane were terrific My business class seat was very uncomfortable. Blankets and pillows were not available. Food was barely OK
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
People working on plane were terrific My business class seat was very uncomfortable. Blankets and pillows were not available. Food was barely OK
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
People working on plane were terrific My business class seat was very uncomfortable. Blankets and pillows were not available. Food was barely OK
Related info for your journey
Useful info, stats and facts about Ontario to Missoula flights.
Can I find flights from Ontario to Missoula for under $400 on Cheapflights?
Yes, there are multiple flights from Ontario to Missoula for under $400. The cheapest flight booked recently is on Delta for just $316, but on average you can expect to pay $433.
Are there last-minute flights available from Ontario to Missoula for under $600?
There are currently 13+ open flights from Ontario to Missoula within the next 7 days for less than $600.
What are the cheapest airlines flying from Ontario to Missoula round-trip?
Delta, at $316, was found to be the cheapest airline from Ontario to Missoula.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Delta is priced at 44% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Ontario to Missoula one-way?
For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $148. Users have also found prices from $199 and $224 on Delta and American Airlines, respectively.
What are the most popular airlines that fly from Ontario to Missoula?
Consider Alaska Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Ontario to Missoula.
What does ONT to MSO mean?
This is defined as Ontario Airport (ONT) and Missoula Johnson-Bell Field Airport (MSO). Codes like Missoula Johnson-Bell Field Airport are often used to just call airports uniquely.