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$365+ Cheap flights from Ontario to Missoula (MSO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — MSO
dic. 3 — dic. 101
mié. 12/3
mié. 12/10
1 adult, Economy
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Cheap flight deals from Ontario to Missoula

Keep the following information in mind while searching for Ontario to Missoula flight deals. Data was last updated noviembre 3, 2025.

Round-trip from

$365
(United Airlines)

Popular in

December

Cheapest in

February
From Ontario to Missoula Johnson-Bell Field
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($195 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($35 potential savings vs. average RT price).
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Find flight deals from Ontario to Missoula

Best flights from Ontario to Missoula
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 noviembre 3, 2025.

This United Airlines deal was found by Cheapflights users on 10/31. 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.
mié. 2/254:10 pmYYZ - MSO
1 stop7h 47mUnited Airlines
jue. 2/266:15 amMSO - YYZ
2 stops13h 09mUnited Airlines
Deal found 10/31$365
This United Airlines deal was found by Cheapflights users on 10/31. 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.
lun. 4/205:10 amYXU - MSO
2 stops18h 16mUnited Airlines
jue. 4/236:15 amMSO - YXU
2 stops13h 03mUnited Airlines
Deal found 10/31$710

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 noviembre 3, 2025.
Use the filters below to find and compare flights from Ontario to Missoula that are best for you.

Fly from

Ontario

Fly to

Missoula

Route

Depart

Return

Price

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

mié. 2/25

4:10 pm-9:57 pm

1 stop7h 47m

Missoula Johnson-Bell Field

jue. 2/26

6:15 am-9:24 pm

2 stops13h 09m

$365

LondonMissoula

YXU - MSO

YXUMSO

London

lun. 4/20

5:10 am-9:26 pm

2 stops18h 16m

Missoula Johnson-Bell Field

jue. 4/23

6:15 am-9:18 pm

2 stops13h 03m

$710

TorontoMissoula

YYZ - MSO

YYZMSO

Toronto Pearson Intl

vie. 11/14

8:45 pm-11:43 pm

2 stops28h 58m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

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.
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
No data available for this route at this time. Please check back soon.

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.

  • What airport do you fly into for flights to Missoula from Ontario?

    For a flight from Ontario to Missoula, you will be flying into Johnson-Bell Field. Missoula Johnson-Bell Field (MSO) is just 5.5 mi from the center of the city.

  • How long is the flight from Region of Ontario to Missoula?

    There are many flights that can get you from Region of Ontario to Missoula in 7h 47m. Fly via United Airlines to get the fastest option. The distance between Region of Ontario and Missoula is about 1675 mi.

  • Can I find deals for flights from Ontario to Missoula that include hotel bookings?

    Yes. In addition to deals on Ontario to Missoula flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Missoula?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Missoula.

  • Can I find deals for business class flights from Ontario to Missoula?

    Yes. Cheapflights offers flight deals from Ontario to Missoula by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top airline flying from Ontario to Missoula

Discover the top airline 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 noviembre 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$532Average$651FlexibilityNo cancel feeOn-time69%

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