$129+ 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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — ONT
Sep 11 — Sep 181
Round-trip
1 adult, Economy
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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 August 12, 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 August 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/109:49 pm -
1 stop20h 10m
Wed 9/167:11 pm -
2 stops24h 48m
Deal found 8/11![Multiple Airlines logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 10/137:03 am -
1 stop7h 13m
Mon 10/192:13 pm -
1 stop6h 51m
Deal found 8/9![Alaska Airlines logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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.
Sun 10/117:03 am -
1 stop7h 13m
Thu 10/156:02 am -
1 stop7h 48m
Deal found 8/9![Alaska Airlines logo]()
$439
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 9/184:16 pm -
1 stop8h 08m
Sun 9/206:02 am -
1 stop5h 37m
Deal found 8/7![Alaska Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 10/247:03 am -
1 stop7h 13m
Wed 10/286:02 am -
1 stop7h 48m
Deal found 8/10![Alaska Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 8/9. 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.
Tue 10/131:14 pm -
2 stops23h 02m
Tue 10/205:03 pm -
1 stop6h 28m
Deal found 8/9![Delta logo]()
$461
This Delta deal was found by Cheapflights users on 8/9. 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.
Fri 10/165:30 am -
1 stop4h 25m
Fri 10/165:03 pm -
1 stop6h 28m
Deal found 8/9![Delta logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 9/167:00 am -
1 stop8h 16m
Sat 9/267:12 am -
2 stops7h 05m
Deal found 8/10![Alaska Airlines logo]()
$466
This Priceline deal was found by Cheapflights users on 8/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am -
1 stop5h 16m
Sat 9/197:12 am -
1 stop5h 13m
Deal found 8/11![Alaska Airlines logo]()
$469
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 10/147:03 am -
2 stops14h 12m
Wed 10/217:25 am -
1 stop5h 01m
Deal found 8/9![Alaska Airlines logo]()
$471
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 9/197:00 am -
2 stops10h 10m
Sun 9/276:02 am -
1 stop8h 15m
Deal found 8/10![Alaska Airlines logo]()
$476
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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.
Mon 10/127:03 am -
1 stop7h 13m
Wed 10/217:25 am -
1 stop5h 01m
Deal found 8/9![Alaska Airlines logo]()
$479
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 August 12, 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 August 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/8. 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 10/247:03 am -
1 stop7h 13m
Wed 10/286:02 am -
1 stop7h 48m
Deal found 8/8![Alaska Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 8/12. 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.
Fri 12/256:10 pm -
1 stop6h 38m
Mon 1/45:05 pm -
1 stop6h 26m
Deal found 8/12![Delta logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 9/177:00 am -
1 stop8h 16m
Sun 9/206:02 am -
1 stop5h 37m
Deal found 8/7![Alaska Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 8/12. 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.
Thu 12/246:10 pm -
1 stop6h 38m
Mon 1/45:05 pm -
1 stop6h 26m
Deal found 8/12![Delta logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 9/114:16 pm -
1 stop8h 08m
Tue 9/156:02 am -
1 stop5h 37m
Deal found 8/10![Alaska Airlines logo]()
$439
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 9/167:00 am -
1 stop8h 16m
Sun 9/276:02 am -
1 stop8h 15m
Deal found 8/10![Alaska Airlines logo]()
$439
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 9/184:16 pm -
1 stop8h 08m
Sun 9/206:02 am -
1 stop5h 37m
Deal found 8/7![Alaska Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 9/167:00 am -
1 stop8h 16m
Sat 9/267:12 am -
2 stops7h 05m
Deal found 8/10![Alaska Airlines logo]()
$466
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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.
Mon 10/127:03 am -
1 stop7h 13m
Tue 10/206:02 am -
1 stop5h 24m
Deal found 8/9![Alaska Airlines logo]()
$479
Last-minute flights from Missoula to OntarioDiscover last-minute flight deals from Missoula to Ontario. Data last updated August 12, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Ontario. Data last updated August 12, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 9/44:16 pm -
1 stop8h 08m
Thu 9/103:14 pm -
1 stop6h 47m
Deal found 8/9![Alaska Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 9/109:49 pm -
1 stop20h 10m
Wed 9/167:11 pm -
2 stops24h 48m
Deal found 8/11![Multiple Airlines logo]()
$385
This Priceline deal was found by Cheapflights users on 8/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am -
1 stop5h 16m
Sat 9/197:12 am -
1 stop5h 13m
Deal found 8/11![Alaska Airlines logo]()
$469
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 9/167:00 am -
1 stop8h 16m
Wed 9/306:02 am -
1 stop8h 15m
Deal found 8/10![Alaska Airlines logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 9/177:00 am -
1 stop5h 16m
Sun 9/276:02 am -
1 stop5h 37m
Deal found 8/10![Alaska Airlines logo]()
$439
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 9/177:00 am -
1 stop8h 16m
Sun 9/206:02 am -
1 stop8h 15m
Deal found 8/10![Alaska Airlines logo]()
$459
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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 9/184:16 pm -
1 stop8h 08m
Sun 9/206:02 am -
1 stop5h 37m
Deal found 8/7![Alaska Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 9/184:16 pm -
2 stops24h 54m
Wed 9/306:02 am -
1 stop5h 37m
Deal found 8/10![Alaska Airlines logo]()
$471
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 9/184:16 pm -
2 stops24h 54m
Fri 9/256:02 am -
1 stop8h 15m
Deal found 8/10![Alaska Airlines logo]()
$481
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 9/197:00 am -
1 stop5h 16m
Sat 9/267:12 am -
2 stops14h 49m
Deal found 8/10![Alaska Airlines logo]()
$476
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 August 12, 2026.
Search for one-way flight options from Missoula to Ontario. Find affordable one-way fares based on user searches. Data last updated August 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 8/309:52 pm -
1 stop24h 35m
Deal found 8/8![Multiple Airlines logo]()
$129
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 9/104:16 pm -
1 stop8h 08m
Deal found 8/11![Alaska Airlines logo]()
$225
This Booking.com deal was found by Cheapflights users on 8/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:16 pm -
1 stop8h 08m
Deal found 8/11![Alaska Airlines logo]()
$235
This Delta deal was found by Cheapflights users on 8/7. 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 8/186:27 pm -
1 stop6h 07m
Deal found 8/7![Delta logo]()
$255
This Booking.com deal was found by Cheapflights users on 8/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/185:41 pm -
1 stop7h 12m
Deal found 8/12![Alaska Airlines logo]()
$265
This Delta deal was found by Cheapflights users on 8/7. 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 10/96:25 pm -
1 stop6h 30m
Deal found 8/7![Delta logo]()
$290
This United Airlines deal was found by Cheapflights users on 8/8. 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 8/292:40 pm -
1 stop7h 13m
Deal found 8/8![United Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Fri 9/254:15 pm -
1 stop7h 44m
Deal found 8/11![United Airlines logo]()
$294
This Priceline deal was found by Cheapflights users on 8/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:02 pm -
2 stops11h 04m
Deal found 8/10![Alaska Airlines logo]()
$302
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 August 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $385 (Kiwi.com) |
One-way from | $129 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $400 |
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 August 12, 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
Sat 10/24
7:03 am-1:16 pm
1 stop7h 13m
Ontario
Wed 10/28
6:02 am-2:50 pm
1 stop7h 48m
$439
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Thu 9/17
7:00 am-2:16 pm
1 stop8h 16m
Ontario
Sun 9/20
6:02 am-12:39 pm
1 stop5h 37m
$439
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Fri 9/11
4:16 pm-11:24 pm
1 stop8h 08m
Ontario
Tue 9/15
6:02 am-12:39 pm
1 stop5h 37m
$439
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Wed 9/16
7:00 am-2:16 pm
1 stop8h 16m
Ontario
Sun 9/27
6:02 am-3:17 pm
1 stop8h 15m
$439
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Fri 12/25
6:10 pm-11:48 pm
1 stop6h 38m
Ontario
Mon 1/4
5:05 pm-12:31 am
1 stop6h 26m
$449
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Thu 12/24
6:10 pm-11:48 pm
1 stop6h 38m
Ontario
Mon 1/4
5:05 pm-12:31 am
1 stop6h 26m
$449
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Fri 9/18
4:16 pm-11:24 pm
1 stop8h 08m
Ontario
Sun 9/20
6:02 am-12:39 pm
1 stop5h 37m
$449
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Wed 9/16
7:00 am-2:16 pm
1 stop8h 16m
Ontario
Sat 9/26
7:12 am-3:17 pm
2 stops7h 05m
$466
Quickest round-trip
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Mon 10/12
7:03 am-1:16 pm
1 stop7h 13m
Ontario
Tue 10/20
6:02 am-12:26 pm
1 stop5h 24m
$479
Cheapest one-way
MissoulaOntario
MSO Missoula Johnson-Bell Field - ONT Ontario
MSOONT
Missoula Johnson-Bell Field
Thu 9/10
4:16 pm-11:24 pm
1 stop8h 08m
$225
Showing 1-10 of 20 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 August.
| 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
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 August 12, 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
Boarding
8.1
Crew
8.5
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.0
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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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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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 August 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$155 | Average$400 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$205 | Average$370 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$259 | Average$274 | FlexibilityNo cancel fee | On-time69% |