$206+ Cheap flights from Ontario to Missoula (ONT - MSO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSO
Nov 22 — Nov 291
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Missoula with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Missoula
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to MissoulaExplore the most affordable flight options available from Ontario to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2026.
Explore the most affordable flight options available from Ontario to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/32:00 pm -
1 stop26h 37m
Mon 12/75:58 pm -
1 stop18h 53m
Deal found 10/22![Multiple Airlines logo]()
$206
This Priceline deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:00 am -
1 stop5h 22m
Mon 11/234:00 pm -
1 stop5h 03m
Deal found 10/20![Alaska Airlines logo]()
$489
This Gotogate deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:01 pm -
1 stop18h 22m
Sun 12/64:50 pm -
1 stop7h 09m
Deal found 10/22![Alaska Airlines logo]()
$502
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:00 am -
1 stop5h 24m
Sun 11/294:00 pm -
1 stop20h 11m
Deal found 10/21![Alaska Airlines logo]()
$503
This Expedia deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:10 am -
1 stop5h 13m
Mon 12/77:01 am -
2 stops11h 20m
Deal found 10/22![Alaska Airlines logo]()
$505
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:13 pm -
1 stop16h 11m
Sun 11/294:00 pm -
1 stop20h 11m
Deal found 10/21![Alaska Airlines logo]()
$516
This Priceline deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am -
1 stop8h 02m
Thu 11/266:22 am -
1 stop5h 49m
Deal found 10/20![Alaska Airlines logo]()
$529
This Priceline deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
1 stop9h 00m
Sat 12/57:01 am -
1 stop5h 12m
Deal found 10/19![Alaska Airlines logo]()
$541
This Alaska Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:02 am -
1 stop7h 48m
Wed 10/282:06 pm -
1 stop4h 54m
Deal found 10/18![Alaska Airlines logo]()
$569
This Gotogate deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am -
1 stop16h 00m
Fri 11/277:00 am -
1 stop5h 11m
Deal found 10/18![Alaska Airlines logo]()
$574
Best flights from Ontario to MissoulaDiscover carefully curated flight deals from Ontario to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 23, 2026.
Discover carefully curated flight deals from Ontario to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/307:00 am -
1 stop7h 32m
Wed 2/34:22 pm -
1 stop7h 19m
Deal found 10/19![Alaska Airlines logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 am -
1 stop8h 02m
Fri 11/277:00 am -
1 stop5h 11m
Deal found 10/18![Alaska Airlines logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/256:00 am -
1 stop5h 32m
Sun 2/284:13 pm -
2 stops26h 02m
Deal found 10/21![Alaska Airlines logo]()
$505
This Gotogate deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:01 pm -
2 stops19h 22m
Sun 12/67:01 am -
1 stop5h 12m
Deal found 10/22![Alaska Airlines logo]()
$516
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/207:00 am -
1 stop5h 19m
Tue 12/227:00 am -
1 stop5h 11m
Deal found 10/21![Alaska Airlines logo]()
$529
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/193:59 pm -
1 stop7h 00m
Wed 12/237:00 am -
1 stop5h 11m
Deal found 10/21![Alaska Airlines logo]()
$529
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/213:59 pm -
1 stop7h 00m
Tue 12/227:00 am -
1 stop5h 11m
Deal found 10/21![Alaska Airlines logo]()
$529
Last-minute flights from Ontario to MissoulaDiscover last-minute flight deals from Ontario to Missoula. Data last updated October 23, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Missoula. Data last updated October 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop5h 34m
Mon 10/265:30 am -
1 stop4h 25m
Deal found 10/18![Delta logo]()
$569
This Gotogate deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:13 am -
1 stop9h 51m
Tue 10/271:06 pm -
1 stop8h 09m
Deal found 10/20![Alaska Airlines logo]()
$582
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:13 pm -
1 stop16h 09m
Tue 11/37:03 am -
1 stop5h 15m
Deal found 10/20![Alaska Airlines logo]()
$589
This Gotogate deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:13 pm -
1 stop16h 09m
Mon 11/167:03 am -
1 stop5h 15m
Deal found 10/20![Alaska Airlines logo]()
$581
This Priceline deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:00 am -
1 stop5h 22m
Mon 11/234:00 pm -
1 stop5h 03m
Deal found 10/20![Alaska Airlines logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:13 pm -
1 stop16h 11m
Sun 11/294:00 pm -
1 stop20h 11m
Deal found 10/21![Alaska Airlines logo]()
$516
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Thu 11/196:00 am -
1 stop5h 39m
Mon 11/231:19 pm -
2 stops10h 41m
Deal found 10/20![Delta logo]()
$587
This Priceline deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am -
1 stop8h 02m
Thu 11/266:22 am -
1 stop5h 49m
Deal found 10/20![Alaska Airlines logo]()
$529
This Gotogate deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am -
1 stop16h 00m
Fri 11/277:00 am -
1 stop5h 11m
Deal found 10/18![Alaska Airlines logo]()
$574
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:00 am -
1 stop5h 24m
Sun 11/294:00 pm -
1 stop20h 11m
Deal found 10/21![Alaska Airlines logo]()
$503
One-way flights from Ontario to MissoulaSearch for one-way flight options from Ontario to Missoula. Find affordable one-way fares based on user searches. Data last updated October 23, 2026.
Search for one-way flight options from Ontario to Missoula. Find affordable one-way fares based on user searches. Data last updated October 23, 2026.
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:04 pm -
1 stop6h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$245
This Alaska Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/64:16 pm -
2 stops20h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Alaska Airlines logo]()
$278
This United Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/205:00 am -
1 stop7h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![United Airlines logo]()
$279
This Alaska Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/910:56 am -
2 stops9h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Alaska Airlines logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:25 am -
1 stop5h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Alaska Airlines logo]()
$285
This Alaska Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/57:10 am -
2 stops13h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Alaska Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:57 am -
2 stops11h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$292
This Gotogate deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:09 pm -
1 stop19h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Alaska Airlines logo]()
$306
This Alaska Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/77:10 am -
2 stops7h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Alaska Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:01 pm -
2 stops19h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Alaska Airlines logo]()
$308
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:01 pm -
2 stops19h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Alaska Airlines logo]()
$318
Find flight deals from Ontario to Missoula
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Missoula (MSO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $206 (Kiwi.com) |
Popular in | November |
Cheapest in | February |
Average price | $548 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Missoula that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 23, 2026.
Use the filters below to find and compare flights from Ontario to Missoula that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioMissoula
ONT Ontario - MSO Missoula Johnson-Bell Field
ONTMSO
Ontario
Thu 4/1
6:00 am-12:32 pm
1 stop5h 32m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$245
OntarioMissoula
ONT Ontario - MSO Missoula Johnson-Bell Field
ONTMSO
Ontario
Thu 12/3
6:00 am-12:39 pm
1 stop5h 39m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$245
OntarioMissoula
ONT Ontario - MSO Missoula Johnson-Bell Field
ONTMSO
Ontario
Wed 1/6
7:10 am-1:22 pm
1 stop5h 12m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$245
OntarioMissoula
ONT Ontario - MSO Missoula Johnson-Bell Field
ONTMSO
Ontario
Mon 11/23
6:00 am-12:39 pm
1 stop5h 39m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$245
OntarioMissoula
ONT Ontario - MSO Missoula Johnson-Bell Field
ONTMSO
Ontario
Fri 12/4
5:04 pm-12:37 am
1 stop6h 33m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$245
OntarioMissoula
ONT Ontario - MSO Missoula Johnson-Bell Field
ONTMSO
Ontario
Mon 1/4
3:59 pm-11:59 pm
1 stop7h 00m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$245
OntarioMissoula
ONT Ontario - MSO Missoula Johnson-Bell Field
ONTMSO
Ontario
Sun 12/20
5:00 am-1:33 pm
1 stop7h 33m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$279
OntarioMissoula
ONT Ontario - MSO Missoula Johnson-Bell Field
ONTMSO
Ontario
Sat 1/9
10:56 am-9:24 pm
2 stops9h 28m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$282
OntarioMissoula
ONT Ontario - MSO Missoula Johnson-Bell Field
ONTMSO
Ontario
Sun 11/1
5:00 am-1:31 pm
1 stop7h 31m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$285
Quickest round-trip
OntarioMissoula
ONT Ontario - MSO Missoula Johnson-Bell Field
ONTMSO
Ontario
Sat 10/31
7:25 am-1:26 pm
1 stop5h 01m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$285
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Ontario to Missoula
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Missoula in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Missoula flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Missoula flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Missoula flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Missoula flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Missoula flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Missoula
Have a flexible travel schedule? Discover the best time to fly to Missoula from Ontario with our price prediction graph.
ONT-MSO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Missoula
What is the cheapest month to book a flight from Ontario to Missoula?
Currently, February is the cheapest month in which you can book a flight from Ontario to Missoula (average of $294). Flying from Ontario to Missoula in November is currently the most expensive (average of $782). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Ontario to Missoula?
Airfare is below average for this route at the moment.
Ontario to Missoula flights typically cost between $419 and $724 in December.The cheapest round-trip price found within the last 5 days was $206 on Multiple Airlines (Dec 3-Dec 7).
Reviews of airlines servicing Missoula
Get insights into the airlines that provide service to Missoula. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missoula. Reviews last updated October 23, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Ontario to Missoula to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Entertainment
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Entertainment
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Entertainment
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Ontario to Missoula. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Other flights to Missoula
Explore flights to Missoula departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 23, 2026.
Ontario and Missoula flights
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Top 3 airlines flying from Ontario to Missoula
Discover the top 3 airlines that operate flights from Ontario to Missoula. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$408 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$239 | Average$554 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$266 | Average$364 | FlexibilityNo cancel fee | On-timeN/A |