$140+ Cheap flights from Missoula to Ontario (MSO - ONT)
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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — ONT
Aug 16 — Aug 231
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
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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 July 17, 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 July 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/279:52 pm
MSO
- ONT
1 stop11h 11m
Multiple Airlines
Sun 8/3011:15 am
ONT
- MSO
1 stop8h 47m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 7/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:49 pm
MSO
- ONT
1 stop24h 38m
Multiple Airlines
Mon 9/73:40 pm
ONT
- MSO
2 stops19h 57m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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 8/185:00 pm
MSO
- ONT
1 stop7h 11m
Alaska Airlines
Tue 8/253:07 pm
ONT
- MSO
1 stop6h 52m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:11 pm
MSO
- ONT
1 stop4h 50m
United Airlines
Tue 9/81:18 pm
ONT
- MSO
1 stop7h 13m
United Airlines
Deal found 7/14![United Airlines logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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 9/34:16 pm
MSO
- ONT
1 stop8h 08m
Alaska Airlines
Sat 9/57:12 am
ONT
- MSO
2 stops14h 49m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$436
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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.
Tue 8/185:00 pm
MSO
- ONT
1 stop7h 11m
Alaska Airlines
Sat 8/223:07 pm
ONT
- MSO
1 stop6h 52m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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.
Fri 9/114:16 pm
MSO
- ONT
1 stop20h 00m
Alaska Airlines
Mon 9/146:02 am
ONT
- MSO
1 stop5h 37m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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 8/274:16 pm
MSO
- ONT
1 stop8h 08m
Alaska Airlines
Sun 8/306:02 am
ONT
- MSO
1 stop8h 15m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$455
This Expedia deal was found by Cheapflights users on 7/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:15 am
MSO
- ONT
2 stops9h 32m
Alaska Airlines
Mon 9/76:02 am
ONT
- MSO
1 stop5h 21m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$456
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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 8/197:15 am
MSO
- ONT
1 stop7h 54m
Alaska Airlines
Sun 8/237:59 pm
ONT
- MSO
1 stop18h 18m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$461
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 July 17, 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 July 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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 8/185:00 pm
MSO
- ONT
1 stop7h 11m
Alaska Airlines
Tue 8/253:07 pm
ONT
- MSO
1 stop6h 52m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:11 pm
MSO
- ONT
1 stop4h 50m
United Airlines
Tue 9/81:18 pm
ONT
- MSO
1 stop7h 13m
United Airlines
Deal found 7/14![United Airlines logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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 9/34:16 pm
MSO
- ONT
1 stop8h 08m
Alaska Airlines
Sat 9/57:12 am
ONT
- MSO
2 stops14h 49m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$436
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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.
Thu 8/204:16 pm
MSO
- ONT
1 stop8h 08m
Alaska Airlines
Sat 8/223:07 pm
ONT
- MSO
1 stop6h 52m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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.
Fri 9/114:16 pm
MSO
- ONT
1 stop20h 00m
Alaska Airlines
Mon 9/146:02 am
ONT
- MSO
1 stop5h 37m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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.
Thu 10/152:06 pm
MSO
- ONT
1 stop4h 57m
Alaska Airlines
Fri 10/166:02 am
ONT
- MSO
1 stop7h 48m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$455
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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.
Thu 9/37:15 am
MSO
- ONT
1 stop7h 54m
Alaska Airlines
Sun 9/612:00 pm
ONT
- MSO
1 stop23h 23m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$461
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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.
Tue 10/277:00 am
MSO
- ONT
2 stops11h 08m
Alaska Airlines
Wed 10/286:02 am
ONT
- MSO
1 stop5h 24m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$476
Last-minute flights from Missoula to OntarioDiscover last-minute flight deals from Missoula to Ontario. Data last updated July 17, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Ontario. Data last updated July 17, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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 8/185:00 pm
MSO
- ONT
1 stop7h 11m
Alaska Airlines
Tue 8/253:07 pm
ONT
- MSO
1 stop6h 52m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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.
Tue 8/185:00 pm
MSO
- ONT
1 stop7h 11m
Alaska Airlines
Sat 8/223:07 pm
ONT
- MSO
1 stop6h 52m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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 8/197:15 am
MSO
- ONT
1 stop7h 54m
Alaska Airlines
Sun 8/237:59 pm
ONT
- MSO
1 stop18h 18m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$461
This CheapOair deal was found by Cheapflights users on 7/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:15 am
MSO
- ONT
1 stop7h 54m
Alaska Airlines
Mon 8/244:50 pm
ONT
- MSO
2 stops18h 33m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/279:52 pm
MSO
- ONT
1 stop11h 11m
Multiple Airlines
Sun 8/3011:15 am
ONT
- MSO
1 stop8h 47m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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 8/274:16 pm
MSO
- ONT
1 stop8h 08m
Alaska Airlines
Sun 8/306:02 am
ONT
- MSO
1 stop8h 15m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$455
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 July 17, 2026.
Search for one-way flight options from Missoula to Ontario. Find affordable one-way fares based on user searches. Data last updated July 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1610:24 am
MSO
- ONT
1 stop22h 39m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/279:52 pm
MSO
- ONT
1 stop11h 11m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$157
This CheapOair deal was found by Cheapflights users on 7/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:12 pm
MSO
- ONT
1 stop8h 12m
Alaska Airlines
Deal found 7/13![Alaska Airlines logo]()
$208
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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.
Thu 8/207:15 am
MSO
- ONT
1 stop7h 55m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:46 pm
MSO
- ONT
3 stops49h 17m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$230
This Priceline deal was found by Cheapflights users on 7/13. 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.
Sat 8/155:41 pm
MSO
- ONT
1 stop7h 11m
Alaska Airlines
Deal found 7/13![Alaska Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 7/15. 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.
Tue 8/45:30 am
MSO
- ONT
1 stop4h 22m
Delta
Deal found 7/15![Delta logo]()
$250
This Booking.com deal was found by Cheapflights users on 7/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:59 pm
MSO
- ONT
1 stop16h 15m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$255
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 July 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $332 (Kiwi.com) |
One-way from | $140 (Kiwi.com) |
Popular in | September |
Cheapest in | January |
Average price | $427 |
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 2,558,603 searches. Data last updated July 17, 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 - ONT
MSOONT
Missoula Johnson-Bell Field
Tue 8/18
5:00 pm-11:11 pm
1 stop7h 11m
Ontario
Tue 8/25
3:07 pm-10:59 pm
1 stop6h 52m
$417
Quickest round-trip
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Wed 9/2
4:11 pm-8:01 pm
1 stop4h 50m
Ontario
Tue 9/8
1:18 pm-9:31 pm
1 stop7h 13m
$419
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Thu 9/3
4:16 pm-11:24 pm
1 stop8h 08m
Ontario
Sat 9/5
7:12 am-11:01 pm
2 stops14h 49m
$436
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Thu 8/20
4:16 pm-11:24 pm
1 stop8h 08m
Ontario
Sat 8/22
3:07 pm-10:59 pm
1 stop6h 52m
$437
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Fri 9/11
4:16 pm-11:16 am
1 stop20h 00m
Ontario
Mon 9/14
6:02 am-12:39 pm
1 stop5h 37m
$441
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Thu 10/15
2:06 pm-6:03 pm
1 stop4h 57m
Ontario
Fri 10/16
6:02 am-2:50 pm
1 stop7h 48m
$455
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Thu 9/3
7:15 am-2:09 pm
1 stop7h 54m
Ontario
Sun 9/6
12:00 pm-12:23 pm
1 stop23h 23m
$461
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Tue 10/27
7:00 am-5:08 pm
2 stops11h 08m
Ontario
Wed 10/28
6:02 am-12:26 pm
1 stop5h 24m
$476
Cheapest one-way
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Thu 8/27
9:52 pm-11:02 am
2 stops38h 10m
$165
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Wed 9/16
7:00 am-11:16 am
1 stop5h 16m
$210
Showing 1-10 of 15 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 July.
| 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 | |
| Price Accuracy- | Trust Score*1 star |
- 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
Prices
More
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 July 17, 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.
Comfort
7.8
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.0
Boarding
8.1
Entertainment
7.0
Overall
7.9
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 July 17, 2026.
Missoula and Ontario flights
Browse other Missoula and Ontario flight options. Last updated on July 17, 2026.
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Browse through other flights departing from Missoula. Flights are based on user searches made on Cheapflights and were last updated on July 17, 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 2,558,603 searches. Data last updated July 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$394 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$205 | Average$392 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$259 | Average$274 | FlexibilityNo cancel fee | On-time69% |