Title: CA $333 Cheap Flights from Butte (BTM) to Ontario (ONT) - Expedia.ca

  

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Photo by Ontario Convention & Visitors Bureau / Jon Edwards.

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# CA $333 Cheap Flights from Butte (BTM) to Ontario (ONT)

[View CA $333 flight on Sat, Nov 22, 2025](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:BTM,to:ONT,departure:22/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:332.80&airProductToken=AQpFCiAIxJgBEgQ0MzEyGOFkIPISKMbm_QIwnef9AjhFQABYAQohCMSYARIEMTYxNBjyEiCumwEo7-f9AjDd6P0COEVAAVgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB)

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-   [One-way](?flightType=oneway)
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## Popular airlines from Butte, MT (BTM-Bert Mooney) to Los Angeles - Ontario Intl. Airport (ONT)

-   ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg)
    
    Delta
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:btm,to:ont,departure:31/10/2025TANYT&leg2=from:ont,to:btm,departure:07/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}])
-   ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg)
    
    United
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:btm,to:ont,departure:31/10/2025TANYT&leg2=from:ont,to:btm,departure:07/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}])

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## Cheap flights from Butte (BTM) to Ontario (ONT)

Prices were available within the past 7 days and start at CA $333 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Roundtrip

Flight from Butte to Ontario (BTM - ONT) route information

| Origin airport | Bert Mooney |
| --- | --- |
| Destination airport | Los Angeles - Ontario Intl. |
| Distance | 1382 km |

## Butte to Los Angeles Flights

**The easy way to book your flights from Butte to Ontario** 

With Expedia, it’s simple to find and book flights to Ontario from Butte whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 2 airlines that cover this route. There are nonstop flights to Los Angeles - Ontario Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Butte to Ontario today, tomorrow, or this week.  

**Save dollars with cheap flights from Bert Mooney, BTM to Los Angeles - Ontario Intl., ONT** 

Sort your search results by price to find great deals on your flight from Butte to Ontario—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario from Butte currently is just rising to .  

Here are more money-saving tips: 

-   Fly in when flight prices are normally at their lowest 
-   Book about a month to 6 weeks before you travel for the best prices to Ontario  
-   Avoid peak season and weekends when flights can cost more
-   Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
-   One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

**Reasons to choose Expedia for your flight to Ontario from Butte** 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Ontario with Expedia today.

## Frequently asked questions

### How much is a flight from BTM to ONT?

> If you're travelling between Bert Mooney Airport (BTM) and Ontario Airport, round-trip flights start from . This figure is based on fares advertised within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.

### Do I need to pay a cancellation fee if I cancel my flight from Bert Mooney Airport to ONT?

> We understand that things crop up unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just visit the [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions.

### How do I find cheap flights from Bert Mooney Airport (BTM) to ONT that have flexible change policies?

> Use our "No change fees" filter to find flexible ticketing options for your flight from Bert Mooney Airport to Los Angeles - Ontario Intl. Airport (ONT). This allows you to secure a low rate in advance and still have the freedom to make changes without any additional fees. Keep in mind that you'll need to cover the fare difference.

### How many hours is the flight from Bert Mooney Airport to ONT?

> It takes roughly 3 hours and 57 minutes to journey from Bert Mooney Airport to ONT. But with some TV shows and a few interesting magazines, the hours will go by quicker.

### How far is the flight from BTM to Los Angeles - Ontario Intl. Airport (ONT)?

> With a flight distance of 1,400 kilometres, it's only a short hop from Bert Mooney Airport (BTM) to ONT. It might be a quick flight, but it's still worth bringing along something to keep you entertained on board.

### Which airlines fly direct from BTM to Ontario Airport?

> There are no direct flights, so you'll have to make at least one stop between Bert Mooney Airport and Los Angeles - Ontario Intl. Airport (ONT). Make the most of the layover time to stretch your legs and grab a coffee.

### Are Bert Mooney Airport to Ontario Airport flight tickets cheaper when they're purchased at the last minute?

> It is possible to nab great last-minute deals from BTM to ONT, but it can also be hit-or-miss. As many airlines release prices up to a year in advance, it's worth keeping an eye on fares early and being ready to book when you see a good bargain. Expedia compares carrier prices and updates flight deals often, so you can feel confident knowing you're always seeing the latest offers.

## Explore a world of travel with Expedia

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