Title: Cheap Flights from Ontario (ONT) to Columbia (COU) - Expedia.ca ![Missouri State Capitol which includes an administrative building, heritage architecture and a fountain](https://images.trvl-media.com/place/6092643/f7036169-7e6d-403b-b3a3-fac711433497.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6092643/f7036169-7e6d-403b-b3a3-fac711433497.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Ontario (ONT) to Columbia (COU) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Flight 1 Leaving from Going to Departing Flight 2 Leaving from Going to Departing ## Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Columbia, MO (COU-Columbia Regional) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:ont,to:cou,departure:17/11/2025TANYT&leg2=from:cou,to:ont,departure:24/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![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:ont,to:cou,departure:17/11/2025TANYT&leg2=from:cou,to:ont,departure:24/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) Flight from Ontario to Columbia (ONT - COU) route information | Origin airport | Los Angeles - Ontario Intl. | | --- | --- | | Destination airport | Columbia Regional | | Distance | 2308 km | ## Los Angeles to Columbia Flights **The easy way to book your flights from Ontario to Columbia**  With Expedia, it’s simple to find and book flights to Columbia from Ontario whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Columbia Regional, 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 Ontario to Columbia today, tomorrow, or this week.   **Save dollars with cheap flights from Los Angeles - Ontario Intl., ONT to Columbia Regional, COU**  Sort your search results by price to find great deals on your flight from Ontario to Columbia—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Columbia from Ontario 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 Columbia   - 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 Columbia from Ontario**  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 Columbia with Expedia today. ## Frequently asked questions ### How much is a flight from ONT to COU? > If you're planning on travelling from Ontario Airport to COU, round-trip journeys start from . This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year, so don't delay. 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 ONT to COU? > The majority of flights can be cancelled online, but whether you are charged a fee varies between airlines. If you do need to cancel your break, follow the easy instructions in the [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Ontario Airport to COU that have flexible change policies? > Select our "No change fees" filter to find flexible travel options for your flight from Ontario Airport to COU. This allows you to secure a fantastic price ahead of time and still have the freedom to reschedule without any additional fees. Just keep in mind that fare differences may still apply. ### How many hours is the flight from Los Angeles - Ontario Intl. Airport (ONT) to Columbia Regional Airport (COU)? > There are plenty of ways to make the 4 hours and 40 minutes between Los Angeles - Ontario Intl. Airport (ONT) and COU go by faster. Be productive and sort through your photos or clear out all those backed-up emails. A nice snooze also helps pass the time! ### How far is the flight from ONT to COU? > It's around 2,300 kilometres from Ontario Airport to Columbia Regional Airport (COU), so expect to be in your seat for a while. Keep yourself occupied by packing things like a magazine or a thrilling novel. ### Which airlines fly direct from ONT to Columbia Regional Airport (COU)? > If you want to travel straight from ONT to Columbia Regional Airport (COU), you'll need to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly on this route. ### Are Los Angeles - Ontario Intl. Airport (ONT) to COU flight tickets cheaper when they're purchased at the last minute? > Flight tickets from ONT to COU are available up to a year before departure on Expedia. And although you may score a fantastic last-minute deal, it's never a sure thing. Also, booking your flights in advance means you'll have more options — and you can avoid getting stuck in the dreaded middle seat! We frequently update our fares to bring you the best bargains, so check back often for all the latest specials. ## Explore a world of travel with Expedia - Lodging - Flights ### Lodging - [Guest Houses in Ashland](https://www.expedia.ca/Ashland-Guest-Houses.d3000421361-aaGuestHouses.Travel-Guide-Accommodation) - [Ashland Hotels](https://www.expedia.ca/Ashland-Hotels.d3000421361.Travel-Guide-Hotels) - [Motels in Ashland](https://www.expedia.ca/Ashland-Motels.d3000421361-aaMotels.Travel-Guide-Accommodation) - [Resorts in Ashland](https://www.expedia.ca/Ashland-Resort-Hotels.d3000421361-aaResortHotels.Travel-Guide-Accommodation) - [Resorts in Deer Park](https://www.expedia.ca/Deer-Park-Resort-Hotels.d553248635975865464-aaResortHotels.Travel-Guide-Accommodation) ### Flights - [Flights from Ashland](https://www.expedia.ca/lp/flights/3000421361/flights-from-ashland) - [Flights from Waterloo (ALO) to St. Louis (STL)](https://www.expedia.ca/lp/flights/alo/stl/waterloo-to-st-louis) - [Flights from Atlanta (ATL) to St. Louis (STL)](https://www.expedia.ca/lp/flights/atl/stl/atlanta-to-st-louis) - [Flights from Wilkes-Barre (AVP) to Lake Of The Ozarks (AIZ)](https://www.expedia.ca/lp/flights/avp/aiz/wilkes-barre-to-lake-of-the-ozarks) - [Flights from Hartford (BDL) to Lake Of The Ozarks (AIZ)](https://www.expedia.ca/lp/flights/bdl/aiz/hartford-to-lake-of-the-ozarks) - [Flights from Bellingham (BLI) to St. Louis (STL)](https://www.expedia.ca/lp/flights/bli/stl/bellingham-to-st-louis) - [Flights from Bogotá (BOG) to Rolla (RLA)](https://www.expedia.ca/lp/flights/bog/rla/bogota-to-rolla) - [Flights from Burlington (BTV) to St. Louis (STL)](https://www.expedia.ca/lp/flights/btv/stl/burlington-to-st-louis) - [Flights from Buffalo (BUF) to Lake Of The Ozarks (AIZ)](https://www.expedia.ca/lp/flights/buf/aiz/buffalo-to-lake-of-the-ozarks) - [Flights from Baltimore (BWI) to St. Louis (STL)](https://www.expedia.ca/lp/flights/bwi/stl/baltimore-to-st-louis) - [Flights from Chicago (CHI) to Lake Of The Ozarks (AIZ)](https://www.expedia.ca/lp/flights/chi/aiz/chicago-to-lake-of-the-ozarks) - [Flights from Cedar Rapids (CID) to Lake Of The Ozarks (AIZ)](https://www.expedia.ca/lp/flights/cid/aiz/cedar-rapids-to-lake-of-the-ozarks) - [Flights from Sault Ste. 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