Cheap flights from Montana to Los Angeles from $106
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Los Angeles departing on 6/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Montana to Los Angeles
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Delta flights from Montana to Ontario
Our best Delta deals on Montana to Ontario flight tickets
Hawaiian Airlines flights from Montana to Ontario
Our best Hawaiian Airlines deals on Montana to Ontario flight tickets
See travel insights to Los Angeles from
How to get the cheapest flight ticket from Montana to Ontario
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 Ontario?
In general, April is the cheapest month to fly from Montana to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $256. If you aren’t able to travel during the month of April, then book flights to Ontario from Montana during May instead. Flights to Ontario in May, while not as cheap as those in April, still average around $279.
What is the cheapest day to depart on your flight to Ontario?
The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $436. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Montana to Ontario for around $654.
What is the cheapest airline that flies from Montana to Ontario?
Frontier, Alaska Airlines, and Hawaiian Airlines are the most popular carriers operating from Montana to Ontario
What airlines fly to Ontario?
Delta, Alaska Airlines and United Airlines are the top three most popular airlines that fly to Ontario from Montana according to our data. Delta is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
Cheap Montana to Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Montana to Ontario
When did momondo last update prices for flights from Montana to Ontario Airport?
Prices for flights from Montana to Ontario Airport are updated daily.
How many operators does momondo search for flights from Montana to Ontario Airport?
As of June 2025, there are 4 operators available to choose from for flights from Montana to Ontario Airport.
How old do you have to be to fly from Montana to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario 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 Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Montana to Ontario
Compare and see reviews for airlines that fly from Montana to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $82 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $232 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $232 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 8.0 4,278 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Montana to Ontario?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Montana to Ontario. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Montana to Ontario with flexible booking policies on momondo?
momondo does allow users to show only those flights to Ontario from Montana which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Montana to Ontario?
Once all potential Montana to Ontario 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 Montana to Ontario right now. Can momondo alert me if prices change?
Price alerts on flights to Ontario from Montana are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.