$147+ Cheap flights from Ontario to Missoula (ONT - MSO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MSO
Jul 10 — Jul 171
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Missoula with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Missoula
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Best
Last-minute
One-way
Cheapest flights from Ontario to MissoulaExplore the most affordable flight options available from Ontario to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
Explore the most affordable flight options available from Ontario to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:38 pm
ONT
- MSO
1 stop18h 56m
Multiple Airlines
Sun 8/210:24 am
MSO
- ONT
1 stop22h 39m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:58 am
ONT
- MSO
2 stops27h 08m
Multiple Airlines
Thu 8/610:24 am
MSO
- ONT
1 stop6h 30m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 6/8. 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.
Wed 8/269:43 am
ONT
- MSO
1 stop7h 04m
Delta
Tue 9/16:27 pm
MSO
- ONT
1 stop4h 56m
Delta
Deal found 6/8![Delta logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Wed 7/293:40 pm
ONT
- MSO
1 stop16h 54m
Multiple Airlines
Thu 8/610:24 am
MSO
- ONT
1 stop6h 30m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$314
This Priceline deal was found by Cheapflights users on 6/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:14 pm
ONT
- MSO
1 stop6h 42m
Alaska Airlines
Mon 9/287:00 am
MSO
- ONT
1 stop8h 16m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/113:40 pm
ONT
- MSO
1 stop16h 54m
Multiple Airlines
Sun 7/1910:24 am
MSO
- ONT
1 stop22h 39m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Wed 7/293:40 pm
ONT
- MSO
1 stop16h 54m
Multiple Airlines
Sun 8/910:24 am
MSO
- ONT
1 stop22h 39m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/83:40 pm
ONT
- MSO
1 stop16h 54m
Multiple Airlines
Sun 7/1910:24 am
MSO
- ONT
1 stop22h 39m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 6/8. 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 7/65:21 pm
ONT
- MSO
1 stop6h 07m
Delta
Mon 7/135:35 am
MSO
- ONT
1 stop4h 12m
Delta
Deal found 6/8![Delta logo]()
$356
Best flights from Ontario to MissoulaDiscover carefully curated flight deals from Ontario to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
Discover carefully curated flight deals from Ontario to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 10, 2026.
This Delta deal was found by Cheapflights users on 6/8. 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 7/65:21 pm
ONT
- MSO
1 stop6h 07m
Delta
Mon 7/135:35 am
MSO
- ONT
1 stop4h 12m
Delta
Deal found 6/8![Delta logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 8/263:07 pm
ONT
- MSO
1 stop6h 49m
Alaska Airlines
Sat 8/297:15 am
MSO
- ONT
1 stop7h 54m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 6/8. 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.
Wed 7/295:10 pm
ONT
- MSO
1 stop6h 18m
Delta
Fri 8/71:16 pm
MSO
- ONT
1 stop4h 08m
Delta
Deal found 6/8![Delta logo]()
$371
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 10/317:23 am
ONT
- MSO
1 stop5h 03m
Alaska Airlines
Wed 11/44:22 pm
MSO
- ONT
1 stop7h 32m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 6/6. 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 7/295:10 pm
ONT
- MSO
1 stop6h 18m
Delta
Sun 8/25:35 am
MSO
- ONT
1 stop4h 12m
Delta
Deal found 6/6![Delta logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 9/243:14 pm
ONT
- MSO
1 stop6h 42m
Alaska Airlines
Mon 9/287:00 am
MSO
- ONT
2 stops11h 18m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 6/8. 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.
Fri 7/315:10 pm
ONT
- MSO
1 stop6h 18m
Delta
Sun 8/25:35 am
MSO
- ONT
1 stop4h 12m
Delta
Deal found 6/8![Delta logo]()
$436
This Delta deal was found by Cheapflights users on 6/6. 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 7/215:10 pm
ONT
- MSO
1 stop6h 18m
Delta
Wed 7/295:35 am
MSO
- ONT
1 stop4h 12m
Delta
Deal found 6/6![Delta logo]()
$479
Last-minute flights from Ontario to MissoulaDiscover last-minute flight deals from Ontario to Missoula. Data last updated June 10, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Missoula. Data last updated June 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/8. 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 7/65:21 pm
ONT
- MSO
1 stop6h 07m
Delta
Mon 7/135:35 am
MSO
- ONT
1 stop4h 12m
Delta
Deal found 6/8![Delta logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/83:40 pm
ONT
- MSO
1 stop16h 54m
Multiple Airlines
Sun 7/1910:24 am
MSO
- ONT
1 stop22h 39m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$336
This Expedia deal was found by Cheapflights users on 6/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/109:20 pm
ONT
- MSO
1 stop12h 22m
Alaska Airlines
Tue 7/145:41 pm
MSO
- ONT
1 stop7h 11m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/113:40 pm
ONT
- MSO
1 stop16h 54m
Multiple Airlines
Sun 7/1910:24 am
MSO
- ONT
1 stop22h 39m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:38 pm
ONT
- MSO
1 stop18h 56m
Multiple Airlines
Sun 8/210:24 am
MSO
- ONT
1 stop22h 39m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Wed 7/293:40 pm
ONT
- MSO
1 stop16h 54m
Multiple Airlines
Thu 8/610:24 am
MSO
- ONT
1 stop6h 30m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Wed 7/293:40 pm
ONT
- MSO
1 stop16h 54m
Multiple Airlines
Sun 8/910:24 am
MSO
- ONT
1 stop22h 39m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 6/8. 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.
Wed 7/295:10 pm
ONT
- MSO
1 stop6h 18m
Delta
Fri 8/71:16 pm
MSO
- ONT
1 stop4h 08m
Delta
Deal found 6/8![Delta logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:58 am
ONT
- MSO
2 stops27h 08m
Multiple Airlines
Thu 8/610:24 am
MSO
- ONT
1 stop6h 30m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$304
One-way flights from Ontario to MissoulaSearch for one-way flight options from Ontario to Missoula. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
Search for one-way flight options from Ontario to Missoula. Find affordable one-way fares based on user searches. Data last updated June 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:33 pm
ONT
- MSO
1 stop19h 01m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Sat 6/2011:58 am
ONT
- MSO
1 stop20h 37m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$154
This Delta deal was found by Cheapflights users on 6/7. 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.
Mon 7/275:10 pm
ONT
- MSO
1 stop6h 18m
Delta
Deal found 6/7![Delta logo]()
$156
This Delta deal was found by Cheapflights users on 6/9. 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 7/65:21 pm
ONT
- MSO
1 stop6h 07m
Delta
Deal found 6/9![Delta logo]()
$201
This Delta deal was found by Cheapflights users on 6/9. 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.
Sat 7/45:21 pm
ONT
- MSO
1 stop4h 51m
Delta
Deal found 6/9![Delta logo]()
$206
This Delta deal was found by Cheapflights users on 6/6. 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 7/215:10 pm
ONT
- MSO
1 stop6h 18m
Delta
Deal found 6/6![Delta logo]()
$211
This Booking.com deal was found by Cheapflights users on 6/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:05 pm
ONT
- MSO
1 stop18h 20m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$221
Find flight deals from Ontario to Missoula
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Missoula (MSO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $283 (Kiwi.com) |
One-way from | $147 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $443 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Missoula that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
Use the filters below to find and compare flights from Ontario to Missoula that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Mon 7/6
5:21 pm-12:28 am
1 stop6h 07m
Missoula Johnson-Bell Field
Mon 7/13
5:35 am-8:47 am
1 stop4h 12m
$356
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Wed 8/26
3:07 pm-10:56 pm
1 stop6h 49m
Missoula Johnson-Bell Field
Sat 8/29
7:15 am-2:09 pm
1 stop7h 54m
$361
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Wed 7/29
5:10 pm-12:28 am
1 stop6h 18m
Missoula Johnson-Bell Field
Fri 8/7
1:16 pm-4:24 pm
1 stop4h 08m
$371
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Sat 10/31
7:23 am-1:26 pm
1 stop5h 03m
Missoula Johnson-Bell Field
Wed 11/4
4:22 pm-10:54 pm
1 stop7h 32m
$381
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Wed 7/29
5:10 pm-12:28 am
1 stop6h 18m
Missoula Johnson-Bell Field
Sun 8/2
5:35 am-8:47 am
1 stop4h 12m
$381
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Fri 7/31
5:10 pm-12:28 am
1 stop6h 18m
Missoula Johnson-Bell Field
Sun 8/2
5:35 am-8:47 am
1 stop4h 12m
$436
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Thu 9/24
3:14 pm-10:56 pm
1 stop6h 42m
Missoula Johnson-Bell Field
Mon 9/28
7:00 am-5:18 pm
2 stops11h 18m
$437
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Tue 7/21
5:10 pm-12:28 am
1 stop6h 18m
Missoula Johnson-Bell Field
Wed 7/29
5:35 am-8:47 am
1 stop4h 12m
$479
Cheapest one-way
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Wed 9/16
9:45 am-5:42 pm
1 stop6h 57m
$156
Quickest one-way
OntarioMissoula
ONT - MSO
ONTMSO
Ontario
Thu 8/20
5:05 pm-12:18 am
1 stop6h 13m
$156
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Ontario to Missoula
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Missoula in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Missoula flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Missoula flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Missoula flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Missoula flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Missoula flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Missoula
Have a flexible travel schedule? Discover the best time to fly to Missoula from Ontario with our price prediction graph.
ONT-MSO
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Missoula
What is the cheapest month to book a flight from Ontario to Missoula?
Currently, October is the cheapest month in which you can book a flight from Ontario to Missoula (average of $260). Flying from Ontario to Missoula in December is currently the most expensive (average of $563). 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 Ontario to Missoula?
Reviews of airlines servicing Missoula
Get insights into the airlines that provide service to Missoula. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Missoula. Reviews last updated June 10, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Ontario to Missoula to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from Ontario to Missoula. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
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Missoula flight routes
Other flight options
Other flights from Ontario
Popular flights
Alternative routes for Ontario to Missoula
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Missoula by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Missoula by cabin class
Find flights from Ontario to Missoula, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Missoula
Explore flights to Missoula departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 10, 2026.
Ontario and Missoula flights
Browse other Ontario and Missoula flight options. Last updated on June 10, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on June 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Ontario to Missoula
Discover the top 3 airlines that operate flights from Ontario to Missoula. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$408 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$239 | Average$460 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$240 | Average$344 | FlexibilityNo cancel fee | On-timeN/A |