Cheap flights from Ontario to Missoula from $120
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Missoula departing on 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Ontario to Missoula
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Missoula?
The month of January is, on average, the cheapest month to fly to Missoula from Ontario, with most prices found around $264. If you are unable to visit Missoula during the month of January, then departing from Ontario during the month April is also very affordable. Most momondo users find prices during this month for around $274.
What is the cheapest day to depart on your flight to Missoula?
On average, the least expensive day to fly to Missoula from Ontario is on a Saturday. momondo users have found tickets for Saturday departures for as low as $359. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $557.
What is the cheapest airline that flies from Ontario to Missoula Johnson-Bell Field?
Hawaiian Airlines, Alaska Airlines, and Delta are the most popular carriers operating from Ontario to Missoula Johnson-Bell Field
What airlines fly to Missoula?
Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Missoula from Ontario according to our data. Alaska Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Missoula. Keep in mind that there are 6 different airlines that fly to Missoula on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Missoula
Cheap Ontario to Missoula (ONT to MSO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Missoula
How far is Ontario to Missoula Johnson-Bell Field by plane?
There are 904.7 mi between Ontario and Missoula Johnson-Bell Field. 4h 44m is a normal flight duration for this route.
When did momondo last update prices for flights from Ontario Airport to Missoula Johnson-Bell Field Airport?
Prices for flights from Ontario Airport to Missoula Johnson-Bell Field Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Missoula Johnson-Bell Field Airport?
As of June 2025, there are 3 operators available to choose from for flights from Ontario Airport to Missoula Johnson-Bell Field Airport.
How old do you have to be to fly from Ontario Airport to Missoula Johnson-Bell Field Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Missoula Johnson-Bell Field Airport.
What documentation or ID do you need to fly to Missoula Johnson-Bell Field Airport?
The travel and health documents you'll need for your trip to Missoula Johnson-Bell Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Missoula Johnson-Bell Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Missoula?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to Missoula is Alaska Airlines (47% of total bookings). The next most popular airlines are Delta (38%) and Frontier (15%).
Best airlines flying from Ontario to Missoula
Compare and see reviews for airlines that fly from Ontario to Missoula with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $181 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $273 | Free Cancellation | Rating 8.0 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Missoula?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Missoula. momondo saves you time and could save you money on your trip.
Can I find flights from Ontario to Missoula with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Ontario to Missoula flights to just show those with flexible booking policies.
How can momondo help me find flights from Ontario to Missoula?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Missoula.
I’m not ready to book a flight from Ontario to Missoula right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ontario to Missoula now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Missoula and let you know when they change.