$156+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — ONT
Jun 11 — Jun 181
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 May 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 May 12, 2026.
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:50 pm
MSO
- ONT
1 stop4h 22m
Delta
Mon 10/129:55 am
ONT
- MSO
1 stop6h 32m
Delta
Deal found 5/11![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:50 pm
MSO
- ONT
2 stops10h 53m
Delta
Wed 10/1411:55 am
ONT
- MSO
2 stops11h 36m
Delta
Deal found 5/11![Delta logo]()
$321
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:05 pm
MSO
- ONT
1 stop6h 29m
Delta
Mon 6/16:00 am
ONT
- MSO
1 stop5h 34m
Delta
Deal found 5/8![Delta logo]()
$336
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 6/38:02 pm
MSO
- ONT
1 stop4h 56m
Alaska Airlines
Fri 6/54:03 pm
ONT
- MSO
1 stop6h 56m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/26:29 pm
MSO
- ONT
1 stop6h 20m
Delta
Sat 7/115:10 pm
ONT
- MSO
1 stop5h 02m
Delta
Deal found 5/11![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 5/9. 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 11/312:50 pm
MSO
- ONT
2 stops10h 53m
Delta
Fri 11/69:55 am
ONT
- MSO
1 stop6h 32m
Delta
Deal found 5/9![Delta logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 6/37:45 am
MSO
- ONT
2 stops10h 32m
Alaska Airlines
Wed 6/105:54 pm
ONT
- MSO
1 stop5h 02m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 5/7. 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.
Thu 7/235:35 am
MSO
- ONT
1 stop4h 12m
Delta
Tue 7/285:10 pm
ONT
- MSO
1 stop6h 18m
Delta
Deal found 5/7![Delta logo]()
$385
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:35 am
MSO
- ONT
1 stop4h 12m
Delta
Sat 7/115:10 pm
ONT
- MSO
1 stop5h 02m
Delta
Deal found 5/8![Delta logo]()
$386
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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.
Fri 6/58:02 pm
MSO
- ONT
1 stop4h 56m
Alaska Airlines
Thu 6/115:26 pm
ONT
- MSO
1 stop5h 30m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$405
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 May 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 May 12, 2026.
This Delta deal was found by Cheapflights users on 5/9. 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.
Mon 11/26:10 pm
MSO
- ONT
1 stop6h 38m
Delta
Thu 11/59:55 am
ONT
- MSO
1 stop6h 32m
Delta
Deal found 5/9![Delta logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 6/37:45 am
MSO
- ONT
2 stops10h 32m
Alaska Airlines
Wed 6/105:54 pm
ONT
- MSO
1 stop5h 02m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:50 pm
MSO
- ONT
1 stop4h 22m
Delta
Wed 10/146:00 am
ONT
- MSO
1 stop5h 36m
Delta
Deal found 5/11![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:50 pm
MSO
- ONT
2 stops10h 53m
Delta
Mon 10/125:05 pm
ONT
- MSO
1 stop6h 26m
Delta
Deal found 5/11![Delta logo]()
$316
This Delta deal was found by Cheapflights users on 5/9. 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 11/35:40 am
MSO
- ONT
1 stop4h 27m
Delta
Fri 11/65:05 pm
ONT
- MSO
1 stop6h 26m
Delta
Deal found 5/9![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 5/7. 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.
Thu 7/235:35 am
MSO
- ONT
1 stop4h 12m
Delta
Tue 7/285:10 pm
ONT
- MSO
1 stop6h 18m
Delta
Deal found 5/7![Delta logo]()
$385
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:35 am
MSO
- ONT
1 stop4h 12m
Delta
Mon 8/36:00 am
ONT
- MSO
1 stop5h 33m
Delta
Deal found 5/11![Delta logo]()
$386
This Delta deal was found by Cheapflights users on 5/7. 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 7/105:35 am
MSO
- ONT
1 stop4h 12m
Delta
Mon 7/205:10 pm
ONT
- MSO
1 stop6h 18m
Delta
Deal found 5/7![Delta logo]()
$386
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/95:35 am
MSO
- ONT
1 stop4h 12m
Delta
Sat 7/115:10 pm
ONT
- MSO
1 stop5h 02m
Delta
Deal found 5/8![Delta logo]()
$386
Last-minute flights from Missoula to OntarioDiscover last-minute flight deals from Missoula to Ontario. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Ontario. Data last updated May 12, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 5/138:02 pm
MSO
- ONT
1 stop4h 56m
Alaska Airlines
Tue 5/196:00 am
ONT
- MSO
1 stop5h 16m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$485
This Delta deal was found by Cheapflights users on 5/10. 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 5/136:05 pm
MSO
- ONT
1 stop6h 29m
Delta
Tue 5/1911:52 am
ONT
- MSO
2 stops11h 30m
Delta
Deal found 5/10![Delta logo]()
$490
This Delta deal was found by Cheapflights users on 5/10. 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 5/145:30 am
MSO
- ONT
2 stops8h 05m
Delta
Tue 5/191:35 pm
ONT
- MSO
2 stops9h 47m
Delta
Deal found 5/10![Delta logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Fri 5/158:54 pm
MSO
- ONT
1 stop23h 38m
Multiple Airlines
Mon 5/188:44 am
ONT
- MSO
1 stop10h 20m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:05 pm
MSO
- ONT
1 stop6h 29m
Delta
Mon 6/16:00 am
ONT
- MSO
1 stop5h 34m
Delta
Deal found 5/8![Delta logo]()
$336
This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:45 am
MSO
- ONT
2 stops12h 37m
American Airlines
Mon 6/17:12 pm
ONT
- MSO
2 stops17h 26m
American Airlines
Deal found 5/8![American Airlines logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 6/38:02 pm
MSO
- ONT
1 stop4h 56m
Alaska Airlines
Wed 6/105:54 pm
ONT
- MSO
1 stop5h 02m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 6/38:02 pm
MSO
- ONT
1 stop4h 56m
Alaska Airlines
Fri 6/54:03 pm
ONT
- MSO
1 stop6h 56m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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.
Fri 6/58:02 pm
MSO
- ONT
1 stop4h 56m
Alaska Airlines
Thu 6/115:26 pm
ONT
- MSO
1 stop5h 30m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$405
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 May 12, 2026.
Search for one-way flight options from Missoula to Ontario. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:50 pm
MSO
- ONT
1 stop4h 24m
Delta
Deal found 5/8![Delta logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/2510:25 am
MSO
- ONT
1 stop5h 43m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$159
This Delta deal was found by Cheapflights users on 5/10. 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 7/11:17 pm
MSO
- ONT
2 stops10h 24m
Delta
Deal found 5/10![Delta logo]()
$161
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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.
Sun 5/318:02 pm
MSO
- ONT
1 stop4h 56m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$205
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/265:31 am
MSO
- ONT
1 stop4h 19m
Delta
Deal found 5/11![Delta logo]()
$206
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:50 pm
MSO
- ONT
2 stops10h 50m
Delta
Deal found 5/8![Delta logo]()
$211
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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.
Tue 7/145:41 pm
MSO
- ONT
1 stop7h 11m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$215
This United Airlines deal was found by Cheapflights users on 5/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/274:19 pm
MSO
- ONT
1 stop7h 18m
United Airlines
Deal found 5/10![United Airlines logo]()
$221
This Delta deal was found by Cheapflights users on 5/10. 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 7/226:27 pm
MSO
- ONT
1 stop6h 21m
Delta
Deal found 5/10![Delta logo]()
$230
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:50 pm
MSO
- ONT
2 stops10h 50m
Delta
Deal found 5/8![Delta logo]()
$235
This CheapOair deal was found by Cheapflights users on 5/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:45 am
MSO
- ONT
2 stops10h 32m
Alaska Airlines
Deal found 5/8![Alaska Airlines logo]()
$253
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 6/225:41 pm
MSO
- ONT
1 stop7h 10m
Alaska Airlines
Deal found 5/9![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 May 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (Delta) |
One-way from | $156 (Delta) |
Popular in | September |
Cheapest in | January |
Average price | $394 |
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 May 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 - ONT
MSOONT
Missoula Johnson-Bell Field
Mon 11/2
6:10 pm-11:48 pm
1 stop6h 38m
Ontario
Thu 11/5
9:55 am-5:27 pm
1 stop6h 32m
$311
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Wed 10/7
12:50 pm-4:12 pm
1 stop4h 22m
Ontario
Wed 10/14
6:00 am-12:36 pm
1 stop5h 36m
$311
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Wed 10/7
12:50 pm-10:43 pm
2 stops10h 53m
Ontario
Mon 10/12
5:05 pm-12:31 am
1 stop6h 26m
$316
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Tue 11/3
5:40 am-9:07 am
1 stop4h 27m
Ontario
Fri 11/6
5:05 pm-12:31 am
1 stop6h 26m
$361
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Wed 6/3
7:45 am-5:17 pm
2 stops10h 32m
Ontario
Wed 6/10
5:54 pm-11:56 pm
1 stop5h 02m
$372
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Thu 7/23
5:35 am-8:47 am
1 stop4h 12m
Ontario
Tue 7/28
5:10 pm-12:28 am
1 stop6h 18m
$385
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Fri 7/31
5:35 am-8:47 am
1 stop4h 12m
Ontario
Mon 8/3
6:00 am-12:33 pm
1 stop5h 33m
$386
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Fri 7/10
5:35 am-8:47 am
1 stop4h 12m
Ontario
Mon 7/20
5:10 pm-12:28 am
1 stop6h 18m
$386
Quickest round-trip
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Thu 7/9
5:35 am-8:47 am
1 stop4h 12m
Ontario
Sat 7/11
5:10 pm-11:12 pm
1 stop5h 02m
$386
Cheapest one-way
MissoulaOntario
MSO - ONT
MSOONT
Missoula Johnson-Bell Field
Wed 7/1
6:29 pm-11:49 pm
1 stop6h 20m
$156
Showing 1-10 of 19 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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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 is the cheapest month to book a flight from Missoula to Ontario?
Currently, January is the cheapest month in which you can book a flight from Missoula to Ontario (average of $236). Flying from Missoula to Ontario in September is currently the most expensive (average of $463). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from 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.
Denver (DEN) – chosen by Cheapflights users on 67% 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 Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 7h 21m.
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 Denver (DEN) offer the fastest connection on this route, with an average layover time of 2h 52m.
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 May 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
Crew
8.5
Food
7.0
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.0
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.0
Entertainment
7.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Comfort
7.8
Crew
8.5
Food
7.0
Entertainment
7.0
Overall
7.9
Boarding
8.1
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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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 May 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$389 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$256 | Average$392 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$259 | Average$274 | FlexibilityNo cancel fee | On-time69% |