$131+ Cheap flights from Ontario to Missoula (ONT - MSO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSO
Mar 15 — Mar 221
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
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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 February 13, 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 February 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 2/267:22 pm
ONT
- MSO
1 stop18h 52m
Multiple Airlines
Mon 3/24:05 pm
MSO
- ONT
1 stop22h 06m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$259
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 5/274:03 pm
ONT
- MSO
1 stop6h 53m
Alaska Airlines
Thu 6/48:00 am
MSO
- ONT
1 stop8h 09m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$261
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 3/174:02 pm
ONT
- MSO
1 stop6h 57m
Alaska Airlines
Wed 3/181:53 pm
MSO
- ONT
1 stop5h 20m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$268
This Delta deal was found by Cheapflights users on 2/10. 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 3/125:09 pm
ONT
- MSO
1 stop6h 15m
Delta
Thu 3/196:04 pm
MSO
- ONT
1 stop6h 47m
Delta
Deal found 2/10![Delta logo]()
$271
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 5/271:35 pm
ONT
- MSO
2 stops9h 47m
Delta
Mon 6/15:37 am
MSO
- ONT
1 stop4h 16m
Delta
Deal found 2/10![Delta logo]()
$276
This Delta deal was found by Cheapflights users on 2/12. 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.
Tue 3/106:00 am
ONT
- MSO
1 stop5h 16m
Delta
Sun 3/156:04 pm
MSO
- ONT
1 stop6h 47m
Delta
Deal found 2/12![Delta logo]()
$286
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 5/256:00 am
ONT
- MSO
1 stop7h 43m
Alaska Airlines
Thu 6/48:00 am
MSO
- ONT
1 stop8h 09m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 2/9. 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 2/265:00 pm
ONT
- MSO
1 stop5h 30m
Delta
Mon 3/26:10 pm
MSO
- ONT
1 stop6h 39m
Delta
Deal found 2/9![Delta logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Mon 4/1311:10 am
ONT
- MSO
1 stop7h 54m
Multiple Airlines
Mon 4/208:54 pm
MSO
- ONT
1 stop17h 46m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Wed 5/279:11 pm
ONT
- MSO
1 stop11h 12m
Multiple Airlines
Sun 5/3110:13 am
MSO
- ONT
1 stop11h 03m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$297
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 February 13, 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 February 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 8/66:00 am
ONT
- MSO
1 stop5h 32m
Alaska Airlines
Mon 8/106:36 pm
MSO
- ONT
1 stop6h 20m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 2/12. 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.
Tue 8/115:05 pm
ONT
- MSO
1 stop6h 19m
Delta
Fri 8/146:10 pm
MSO
- ONT
1 stop6h 34m
Delta
Deal found 2/12![Delta logo]()
$261
This Delta deal was found by Cheapflights users on 2/12. 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.
Tue 8/115:05 pm
ONT
- MSO
1 stop6h 19m
Delta
Wed 8/125:40 am
MSO
- ONT
1 stop4h 21m
Delta
Deal found 2/12![Delta logo]()
$261
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 7/215:33 pm
ONT
- MSO
1 stop5h 46m
Alaska Airlines
Wed 7/296:35 am
MSO
- ONT
1 stop5h 44m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$261
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 5/274:03 pm
ONT
- MSO
1 stop6h 53m
Alaska Airlines
Thu 6/48:00 am
MSO
- ONT
1 stop8h 09m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 2/12. 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.
Sun 8/99:55 am
ONT
- MSO
1 stop6h 28m
Delta
Fri 8/145:40 am
MSO
- ONT
1 stop4h 21m
Delta
Deal found 2/12![Delta logo]()
$261
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 8/512:13 pm
ONT
- MSO
1 stop4h 43m
Alaska Airlines
Tue 8/116:36 pm
MSO
- ONT
1 stop6h 20m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 5/271:35 pm
ONT
- MSO
2 stops9h 47m
Delta
Mon 6/15:37 am
MSO
- ONT
1 stop4h 16m
Delta
Deal found 2/10![Delta logo]()
$276
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 3/174:02 pm
ONT
- MSO
1 stop6h 57m
Alaska Airlines
Wed 3/181:53 pm
MSO
- ONT
1 stop5h 20m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$268
This Delta deal was found by Cheapflights users on 2/9. 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.
Wed 5/271:35 pm
ONT
- MSO
2 stops9h 47m
Delta
Fri 6/55:37 am
MSO
- ONT
1 stop4h 16m
Delta
Deal found 2/9![Delta logo]()
$276
Last-minute flights from Ontario to MissoulaDiscover last-minute flight deals from Ontario to Missoula. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Missoula. Data last updated February 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 2/267:22 pm
ONT
- MSO
1 stop18h 52m
Multiple Airlines
Mon 3/24:05 pm
MSO
- ONT
1 stop22h 06m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 2/9. 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 2/265:00 pm
ONT
- MSO
1 stop5h 30m
Delta
Mon 3/26:10 pm
MSO
- ONT
1 stop6h 39m
Delta
Deal found 2/9![Delta logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 2/264:02 pm
ONT
- MSO
1 stop6h 57m
Alaska Airlines
Sat 3/76:23 am
MSO
- ONT
1 stop5h 45m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 3/37:00 am
ONT
- MSO
1 stop4h 59m
Alaska Airlines
Tue 3/34:20 pm
MSO
- ONT
1 stop7h 24m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 2/12. 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.
Tue 3/106:00 am
ONT
- MSO
1 stop5h 16m
Delta
Sun 3/156:04 pm
MSO
- ONT
1 stop6h 47m
Delta
Deal found 2/12![Delta logo]()
$286
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 3/106:14 am
ONT
- MSO
1 stop5h 07m
Alaska Airlines
Tue 3/174:20 pm
MSO
- ONT
1 stop7h 24m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$290
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 3/116:14 am
ONT
- MSO
1 stop5h 07m
Alaska Airlines
Sun 3/156:23 am
MSO
- ONT
1 stop5h 45m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$305
This Delta deal was found by Cheapflights users on 2/10. 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 3/125:09 pm
ONT
- MSO
1 stop6h 15m
Delta
Thu 3/196:04 pm
MSO
- ONT
1 stop6h 47m
Delta
Deal found 2/10![Delta logo]()
$271
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 3/174:02 pm
ONT
- MSO
1 stop6h 57m
Alaska Airlines
Wed 3/181:53 pm
MSO
- ONT
1 stop5h 20m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$268
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 February 13, 2026.
Search for one-way flight options from Ontario to Missoula. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 3/124:02 pm
ONT
- MSO
1 stop6h 57m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$131
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 5/264:03 pm
ONT
- MSO
1 stop6h 53m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$160
This Delta deal was found by Cheapflights users on 2/9. 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.
Wed 7/299:55 am
ONT
- MSO
1 stop6h 28m
Delta
Deal found 2/9![Delta logo]()
$161
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Mon 5/255:00 am
ONT
- MSO
1 stop7h 27m
United Airlines
Deal found 2/11![United Airlines logo]()
$166
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 7/315:33 pm
ONT
- MSO
1 stop5h 46m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$175
This United Airlines deal was found by Cheapflights users on 2/11. 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 3/295:10 am
ONT
- MSO
1 stop7h 26m
United Airlines
Deal found 2/11![United Airlines logo]()
$276
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 7/297:00 am
ONT
- MSO
2 stops9h 56m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$278
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 3/281:50 pm
ONT
- MSO
1 stop7h 07m
United Airlines
Deal found 2/12![United Airlines logo]()
$279
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 7/811:00 am
ONT
- MSO
2 stops12h 19m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$284
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 February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $259 (Kiwi.com) |
One-way from | $131 (Alaska Airlines) |
Popular in | March |
Cheapest in | April |
Average price | $339 |
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 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Ontario to Missoula that are best for you.
Fly from
Ontario
Fly to
Missoula
Route
Depart
Return
Price
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Thu 8/6
6:00 am-12:32 pm
1 stop5h 32m
Missoula Johnson-Bell Field
Mon 8/10
6:36 pm-11:56 pm
1 stop6h 20m
$261
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Tue 8/11
5:05 pm-12:24 am
1 stop6h 19m
Missoula Johnson-Bell Field
Fri 8/14
6:10 pm-11:44 pm
1 stop6h 34m
$261
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Tue 8/11
5:05 pm-12:24 am
1 stop6h 19m
Missoula Johnson-Bell Field
Wed 8/12
5:40 am-9:01 am
1 stop4h 21m
$261
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Tue 7/21
5:33 pm-12:19 am
1 stop5h 46m
Missoula Johnson-Bell Field
Wed 7/29
6:35 am-11:19 am
1 stop5h 44m
$261
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Wed 5/27
4:03 pm-11:56 pm
1 stop6h 53m
Missoula Johnson-Bell Field
Thu 6/4
8:00 am-3:09 pm
1 stop8h 09m
$261
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Sun 8/9
9:55 am-5:23 pm
1 stop6h 28m
Missoula Johnson-Bell Field
Fri 8/14
5:40 am-9:01 am
1 stop4h 21m
$261
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Wed 8/5
12:13 pm-5:56 pm
1 stop4h 43m
Missoula Johnson-Bell Field
Tue 8/11
6:36 pm-11:56 pm
1 stop6h 20m
$261
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Tue 3/17
4:02 pm-11:59 pm
1 stop6h 57m
Missoula Johnson-Bell Field
Wed 3/18
1:53 pm-6:13 pm
1 stop5h 20m
$268
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Wed 5/27
1:35 pm-12:22 am
2 stops9h 47m
Missoula Johnson-Bell Field
Mon 6/1
5:37 am-8:53 am
1 stop4h 16m
$276
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Wed 5/27
1:35 pm-12:22 am
2 stops9h 47m
Missoula Johnson-Bell Field
Fri 6/5
5:37 am-8:53 am
1 stop4h 16m
$276
Showing 1-10 of 18 results
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 February.
| 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
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 February 13, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines and Delta 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.
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
8.0
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
8.0
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Crew
8.5
Entertainment
7.0
Comfort
7.8
Overall
8.0
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
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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Alternative routes for Ontario to Missoula
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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 February 13, 2026.
Ontario and Missoula flights
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Other flights from Ontario
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Top 2 airlines flying from Ontario to Missoula
Discover the top 2 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 2,558,603 searches. Data last updated February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$240 | Average$450 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$244 | Average$405 | FlexibilityNo cancel fee | On-time75% |