--- title: "Kalispell to Ontario cheap flights (FCA to ONO) - Expedia" description: "Cheap Flights from Kalispell (FCA) to Ontario (ONO) start at for one-way and for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.com/lp/flights/fca/ono/kalispell-to-ontario" language: en-US market: US currency: USD prices_as_of: 2026-11-15T03:39:44Z --- # Cheap Flights from Kalispell (FCA) to Ontario (ONO) ![A road flanked by dense forests with autumn foliage.](https://images.trvl-media.com/place/9223/66fe3dc1-bba2-48c5-8a98-2c3abe9e23ee.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ## Popular airlines from Glacier Park Intl. Airport (FCA) to Ontario, OR (ONO-Ontario Municipal) [American Airlines](https://www.expedia.com/Flights-Search?leg1=from:FCA,to:ONO,departure:11/29/2026TANYT&leg2=from:ONO,to:FCA,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) [United](https://www.expedia.com/Flights-Search?leg1=from:FCA,to:ONO,departure:11/29/2026TANYT&leg2=from:ONO,to:FCA,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) [Southwest Airlines](https://www.expedia.com/Flights-Search?leg1=from:FCA,to:ONO,departure:11/29/2026TANYT&leg2=from:ONO,to:FCA,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) Southwest Airlin · es [Delta](https://www.expedia.com/Flights-Search?leg1=from:FCA,to:ONO,departure:11/29/2026TANYT&leg2=from:ONO,to:FCA,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) [Frontier Airlines](https://www.expedia.com/Flights-Search?leg1=from:FCA,to:ONO,departure:11/29/2026TANYT&leg2=from:ONO,to:FCA,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) [JetBlue Airways](https://www.expedia.com/Flights-Search?leg1=from:FCA,to:ONO,departure:11/29/2026TANYT&leg2=from:ONO,to:FCA,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) [Alaska Airlines](https://www.expedia.com/Flights-Search?leg1=from:FCA,to:ONO,departure:11/29/2026TANYT&leg2=from:ONO,to:FCA,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) Find the cheapest flights on Expedia from (FCA) to (ONO). Flight ticket prices change frequently based on availability and demand. We send price‑drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia for this route in the past 7 days starts at for travel on . ## Book with confidence ### Kalispell to Ontario Flights #### The cheapest times to fly from Kalispell to Ontario On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kalispell to Ontario are during the month of . You can find some of the cheapest flights from Kalispell to Ontario with Expedia's search tool and vast selection of airlines. #### The best time to book a flight from Kalispell to Ontario Sunday is one of the best days to book for cheap flights from Kalispell to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. #### How to find cheap round-trip tickets from Kalispell to Ontario Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kalispell to Ontario in 2026\. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kalispell to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Kalispell to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. *\*Terms apply.* *Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages.* ## Frequently Asked Questions ### How much does a flight from Glacier Park Intl. Airport (FCA) to Ontario, OR (ONO-Ontario Municipal) cost? Lock in a cheap one-way flight or cheap return flight from Glacier Park Intl. Airport (FCA) to Ontario, OR (ONO-Ontario Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route. ### What is the cheapest month to fly from Glacier Park Intl. Airport (FCA) to Ontario, OR (ONO-Ontario Municipal)? is the most affordable month to fly from FCA to ONO. Traveling outside of peak seasons is often the key to finding better fares. ### What is the cheapest airline that flies from Glacier Park Intl. Airport (FCA) to Ontario, OR (ONO-Ontario Municipal)? Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest FCA to ONO flight. ### How many flights per day from Glacier Park Intl. Airport (FCA) to Ontario, OR (ONO-Ontario Municipal)? There are no daily nonstop flights departing from Glacier Park Intl. Airport (FCA) to Ontario, OR (ONO-Ontario Municipal). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all. ### What day of the week has the most flights from FCA to ONO? You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.\* However this can change from season to season and during public holidays or peak travel times. *\*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.* ### What is the best time to fly from Glacier Park Intl. Airport (FCA) to Ontario, OR (ONO-Ontario Municipal)? To avoid possible delays on the Glacier Park Intl. Airport (FCA) to Ontario, OR (ONO-Ontario Municipal) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.\* *\*Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.* ### Is it cheaper to buy a plane ticket from Glacier Park Intl. Airport (FCA) to Ontario, OR (ONO-Ontario Municipal) last-minute? Booking your plane ticket from FCA to ONO shortly before your journey is usually more expensive. However, if you're flexible with your travel dates and times, you could bag a cheap last-minute fare. ### Is it cheaper to book a FCA to ONO flight and hotel package? Compared with arranging flights and hotels separately, booking a FCA to ONO [flight and hotel package](https://www.expedia.com/Ontario.d9223.Destination-Travel-Guides) with Expedia could result in significant savings. What's more, managing everything in one place will take the stress out of travel planning. Just pick your flights and select from our extensive range of stays, then personalize your trip with other add-ons like tours, car rentals and activities. ### Can I cancel or change the date of my flight from Glacier Park Intl. Airport (FCA) to Ontario, OR (ONO-Ontario Municipal)? Typically, it's possible to cancel or reschedule your FCA to ONO flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in [your itinerary](https://www.expedia.com/trips) to see what changes are possible and whether any costs are involved. You'll also find more information on our [Customer Service portal](https://www.expedia.com/helpcenter). ## Travel information | Origin airport | Glacier Park Intl. Airport | | ------------------- | -------------------------- | | Destination airport | Ontario, OR | | Distance | 317 miles away | ## Explore a world of travel with Expedia - [Lodging](?equalTargetTab=tab-0) - [Flights](?equalTargetTab=tab-1) - [Packages](?equalTargetTab=tab-2) - [Cars](?equalTargetTab=tab-3) - [Vacation Rentals](?equalTargetTab=tab-4) - [Hotels with a Pool in Ontario](https://www.expedia.com/Ontario-Hotels-Hotel-With-Pool.0-0-d9223-tHotelwithPool.Travel-Guide-Filter-Hotels) - [5 Star Hotels in Ontario](https://www.expedia.com/5Star-Ontario-Hotels.s50-0-d9223.Travel-Guide-Filter-Hotels) - [Red Lion Hotels in Ontario](https://www.expedia.com/Ontario-Hotels-Red-Lion.0-0-d9223--bRedLion.Travel-Guide-Filter-Hotels) - [Hotels with an Indoor Pool in Ontario](https://www.expedia.com/Ontario-Hotels-Hotels-With-Indoor-Pool.0-0-d9223-tHotelswithIndoorPool.Travel-Guide-Filter-Hotels) - [Hotels with Connecting Rooms in Ontario](https://www.expedia.com/Ontario-Hotels-Hotels-With-Adjoining-Rooms.0-0-d9223-tHotelswithAdjoiningRooms.Travel-Guide-Filter-Hotels) - 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