$199+ Cheap flights from Missoula to Ontario (MSO - ONT)
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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — ONT
Oct 18 — Oct 251
Round-trip
1 adult, Economy
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Find cheap flights from Missoula to Ontario 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 Missoula to Ontario
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Cheapest flights from Missoula to OntarioExplore the most affordable flight options available from Missoula to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
Explore the most affordable flight options available from Missoula to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Sun 11/159:07 pm -
1 stop15h 09m
Wed 12/210:05 am -
1 stop6h 44m
Deal found 9/15![Multiple Airlines logo]()
$199
This Delta deal was found by Cheapflights users on 9/14. 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.
Mon 11/96:22 pm -
1 stop6h 27m
Thu 11/125:04 pm -
1 stop6h 18m
Deal found 9/14![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 9/14. 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 11/85:30 am -
1 stop4h 25m
Wed 11/115:04 pm -
1 stop6h 18m
Deal found 9/14![Delta logo]()
$488
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/76:15 am -
1 stop7h 18m
Fri 11/135:00 am -
1 stop7h 31m
Deal found 9/17![United Airlines logo]()
$489
This Travelocity deal was found by Cheapflights users on 9/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:05 pm -
1 stop10h 26m
Tue 12/16:00 am -
1 stop16h 19m
Deal found 9/14![Alaska Airlines logo]()
$501
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 12/51:03 pm -
1 stop5h 24m
Wed 12/911:57 am -
1 stop27h 03m
Deal found 9/16![Alaska Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 9/15. 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 10/115:30 am -
1 stop4h 25m
Sat 10/176:00 am -
1 stop5h 34m
Deal found 9/15![Delta logo]()
$519
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 10/233:49 pm -
2 stops25h 13m
Fri 10/306:02 am -
1 stop7h 48m
Deal found 9/14![Alaska Airlines logo]()
$521
This Priceline deal was found by Cheapflights users on 9/14. 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.
Fri 11/204:00 pm -
1 stop5h 03m
Sun 11/224:01 pm -
1 stop5h 59m
Deal found 9/14![Alaska Airlines logo]()
$529
Best flights from Missoula to OntarioDiscover carefully curated flight deals from Missoula to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
Discover carefully curated flight deals from Missoula to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
This Delta deal was found by Cheapflights users on 9/14. 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 11/66:25 pm -
1 stop4h 46m
Tue 11/105:04 pm -
1 stop6h 18m
Deal found 9/14![Delta logo]()
$487
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/76:15 am -
1 stop7h 18m
Fri 11/135:00 am -
1 stop7h 31m
Deal found 9/17![United Airlines logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 12/51:03 pm -
1 stop5h 24m
Wed 12/911:57 am -
1 stop27h 03m
Deal found 9/16![Alaska Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 9/14. 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.
Sat 11/77:00 am -
1 stop6h 36m
Sat 11/75:03 pm -
1 stop4h 48m
Deal found 9/14![Delta logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 10/233:49 pm -
2 stops25h 13m
Fri 10/306:02 am -
1 stop7h 48m
Deal found 9/14![Alaska Airlines logo]()
$521
This Delta deal was found by Cheapflights users on 9/15. 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 10/115:30 am -
1 stop4h 25m
Sat 10/176:00 am -
1 stop5h 34m
Deal found 9/15![Delta logo]()
$519
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/24:16 pm -
1 stop8h 08m
Tue 10/66:02 am -
1 stop5h 24m
Deal found 9/15![Alaska Airlines logo]()
$549
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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.
Wed 9/307:00 am -
1 stop8h 16m
Fri 10/23:14 pm -
1 stop6h 47m
Deal found 9/18![Alaska Airlines logo]()
$549
This Delta deal was found by Cheapflights users on 9/17. 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 9/306:17 pm -
1 stop6h 30m
Thu 10/15:15 pm -
1 stop6h 03m
Deal found 9/17![Delta logo]()
$549
Last-minute flights from Missoula to OntarioDiscover last-minute flight deals from Missoula to Ontario. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Ontario. Data last updated September 18, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 9/16. 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 9/197:00 am -
1 stop8h 16m
Thu 9/2412:12 pm -
1 stop9h 49m
Deal found 9/16![Alaska Airlines logo]()
$561
This Gotogate deal was found by Cheapflights users on 9/16. 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.
Sun 9/204:16 pm -
1 stop8h 08m
Tue 9/2212:12 pm -
1 stop9h 49m
Deal found 9/16![Alaska Airlines logo]()
$568
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 9/231:19 pm -
1 stop4h 59m
Sat 9/2612:12 pm -
1 stop9h 49m
Deal found 9/14![Alaska Airlines logo]()
$559
This Delta deal was found by Cheapflights users on 9/16. 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 9/305:30 am -
1 stop4h 32m
Fri 10/25:15 pm -
1 stop6h 03m
Deal found 9/16![Delta logo]()
$549
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/57:03 am -
1 stop7h 13m
Fri 10/92:13 pm -
1 stop6h 51m
Deal found 9/16![Alaska Airlines logo]()
$594
This Gotogate deal was found by Cheapflights users on 9/14. 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.
Tue 10/61:06 pm -
1 stop8h 09m
Fri 10/3011:13 am -
1 stop10h 41m
Deal found 9/14![Alaska Airlines logo]()
$583
This Delta deal was found by Cheapflights users on 9/15. 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 10/115:30 am -
1 stop4h 25m
Sat 10/176:00 am -
1 stop5h 34m
Deal found 9/15![Delta logo]()
$519
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/163:49 pm -
2 stops26h 16m
Mon 10/192:13 pm -
1 stop6h 51m
Deal found 9/16![Alaska Airlines logo]()
$541
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 10/233:49 pm -
1 stop8h 53m
Fri 10/305:30 pm -
1 stop18h 56m
Deal found 9/14![Alaska Airlines logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/233:49 pm -
1 stop22h 27m
Sun 11/16:00 am -
1 stop5h 22m
Deal found 9/17![Alaska Airlines logo]()
$506
One-way flights from Missoula to OntarioSearch for one-way flight options from Missoula to Ontario. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
Search for one-way flight options from Missoula to Ontario. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 12/297:01 am -
1 stop5h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Alaska Airlines logo]()
$244
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/237:03 am -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Alaska Airlines logo]()
$245
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/77:03 am -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Alaska Airlines logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 1/27:01 am -
1 stop5h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Alaska Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/112:38 pm -
1 stop7h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/117:03 am -
2 stops11h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Alaska Airlines logo]()
$432
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 12/314:18 pm -
2 stops26h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Alaska Airlines logo]()
$437
Find flight deals from Missoula to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to Ontario (ONT). 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 September 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $199 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $448 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missoula to Ontario 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 September 18, 2026.
Use the filters below to find and compare flights from Missoula to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Wed 12/30
7:01 am-11:10 am
1 stop5h 09m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$244
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Fri 10/23
7:03 am-1:16 pm
1 stop7h 13m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$245
Quickest round-trip
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Sun 10/11
5:30 am-8:55 am
1 stop4h 25m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$275
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Wed 9/23
1:19 pm-5:18 pm
1 stop4h 59m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$275
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Wed 10/7
7:03 am-1:16 pm
1 stop7h 13m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$275
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Sun 10/11
2:38 pm-8:58 pm
1 stop7h 20m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$360
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Tue 12/29
7:01 am-10:17 am
2 stops28h 16m
Ontario
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$438
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Fri 11/6
6:25 pm-10:11 pm
1 stop4h 46m
Ontario
Tue 11/10
5:04 pm-12:22 am
1 stop6h 18m
$487
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Sat 11/7
6:15 am-12:33 pm
1 stop7h 18m
Ontario
Fri 11/13
5:00 am-1:31 pm
1 stop7h 31m
$489
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Sat 11/7
7:00 am-12:36 pm
1 stop6h 36m
Ontario
Sat 11/7
5:03 pm-10:51 pm
1 stop4h 48m
$489
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Missoula to Ontario
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 Missoula to Ontario in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Missoula-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Missoula-Ontario 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 Missoula-Ontario 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 Missoula to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Missoula with our price prediction graph.
MSO-ONT
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 Missoula to Ontario
What’s the top layover airport for flights from Missoula to Ontario?
Share of 1-stop round-trip flights from Missoula to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Seattle (SEA) – chosen by Cheapflights users on 60% of 1-stop itineraries from Missoula to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from Missoula to Ontario?
Average round-trip fare for 1-stop flights from Missoula to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $273.
What’s the fastest layover option from Missoula to Ontario?
Shortest average travel time for 1-stop one-way flights from Missoula to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Seattle (SEA) have the shortest average one-way travel time for 1-stop routes: 7h 11m.
Which airport typically offers the quickest layover for flights from Missoula to Ontario?
Average layover duration for 1-stop one-way flights from Missoula to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Seattle (SEA) offer the fastest connection on this route, with an average layover time of 2h 36m.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated September 18, 2026.
Read through reviews of airlines operating flights from Missoula to Ontario, such as Alaska Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Crew
8.5
Boarding
8.1
Food
7.0
Entertainment
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Related info for your journey
Find useful and relevant information for your journey from Missoula to Ontario. 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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Find flights from Missoula to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2026.
Missoula and Ontario flights
Browse other Missoula and Ontario flight options. Last updated on September 18, 2026.
Other flights from Missoula
Browse through other flights departing from Missoula. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2026.
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Top 3 airlines flying from Missoula to Ontario
Discover the top 3 airlines that operate flights from Missoula to Ontario. 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 September 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$430 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$205 | Average$392 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$259 | Average$274 | FlexibilityNo cancel fee | On-time69% |