Cheap flights from Ontario to Montana from $111
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 Montana departing on 7/26. 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 Montana
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 Montana?
The cheapest month to fly to Montana from Ontario is in January. Flight prices, which tend to average around $280, are often lower during this time because this is during the off-season. The month of December is another great option to travel to Montana, with average flight prices from Ontario averaging around $298.
What is the cheapest day to depart on your flight to Montana?
Our data shows that Tuesday is the least expensive day to fly to Montana. Tickets to fly out on this day can be as low as $359. The most expensive day to fly to Montana is Sunday, with ticket prices averaging around $485.
What is the cheapest time of day to depart on your flight to Montana?
The cheapest time of day to fly to Montana is in the evening when flights can be purchased for as low as $206. At noon is when there is more demand to fly to Montana, so prices are often more expensive at around $488 per ticket.
How far in advance should I book a flight to Montana?
You are more likely to see cheaper flights to Montana from Ontario when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Montana for around $340 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Montana from Ontario for as low as $248 on momondo.
What is the cheapest airline that flies from Ontario to Montana?
Delta, Frontier, and Hawaiian Airlines are the most popular carriers operating from Ontario to Montana
What airlines fly to Montana?
Delta, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Montana from Ontario according to our data. Delta is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Montana. Keep in mind that there are 9 different airlines that fly to Montana on a routine basis, so you have a few additional options to choose from.
Cheap Ontario to Montana flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Montana
When did momondo last update prices for flights from Ontario Airport to Montana?
Prices for flights from Ontario Airport to Montana were last updated today.
How many operators does momondo search for flights from Ontario Airport to Montana?
As of June 2025, there are 5 operators available to choose from for flights from Ontario Airport to Montana.
How old do you have to be to fly from Ontario Airport to Montana?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Montana.
What documentation or ID do you need to fly to Montana?
The travel and health documents required for your trip to Montana can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Montana. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Ontario to Montana
Compare and see reviews for airlines that fly from Ontario to Montana with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $181 | Free Cancellation | Rating 5.9 3,291 reviews | |||
| PriceFrom $205 | Free Cancellation | Rating 8.0 7,958 reviews | |||
| PriceFrom $219 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $250 | Free Cancellation | Rating 7.4 8,774 reviews | |||
| PriceFrom $255 | Free Cancellation | Rating 8.0 4,288 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Montana?
Finding the right flight to Montana from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Montana quick and easy, saving you time and money.
Can I find flights from Ontario to Montana with flexible booking policies on momondo?
All flight searches from Ontario to Montana on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Ontario to Montana?
Once all potential Ontario to Montana flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Ontario to Montana right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Ontario to Montana flights. All you need is a valid email address and we will do the rest; it is that quick and easy.