Title: Cheap Flights from Ontario (ONT) to Killeen (GRK) - Expedia.ca ![](https://images.trvl-media.com/place/1585/dac939f0-a5e8-4725-8c24-7c531fd0a333.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Ontario (ONT) to Killeen (GRK) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Killeen, TX (GRK-Killeen-Fort Hood 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:grk,departure:20/10/2025TANYT&leg2=from:grk,to:ont,departure:27/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) ![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) ## Frequently asked questions ### How much is a flight from ONT to Killeen-Fort Hood Regional Airport (GRK)? > If you're travelling between Los Angeles - Ontario Intl. Airport (ONT) and GRK, round-trip journeys start from . This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book now and save yourself 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 Ontario Airport to GRK? > When it comes to cancellation fees, every airline has its own terms and conditions. If you decide to cancel your vacation, visit our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from ONT to GRK that have flexible change policies? > Flights from Ontario Airport to Killeen-Fort Hood Regional Airport (GRK) with flexible change policies are available from several airlines. Simply use our "No change fees" filter while searching. You'll only need to cover the cost difference between flights, without any extra fees to worry about. ### How many hours is the flight from Ontario Airport to GRK? > The flight time between Ontario Airport and Killeen-Fort Hood Regional Airport is 4 hours and 2 minutes. If you're travelling with kids, it's always a good idea to pack some snacks or fruit in your carry-on luggage. ### How far is the flight from ONT to Killeen-Fort Hood Regional Airport (GRK)? > The flight distance from ONT to GRK is 1,900 kilometres. Bring a snack, a drink and an interesting novel to read. Keep yourself entertained and the hours will fly by. ### Which airlines fly direct from Ontario Airport to Killeen-Fort Hood Regional Airport? > If you want to travel straight from Ontario Airport to GRK, you'll need to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly on this route. ### Are Ontario Airport to Killeen-Fort Hood Regional Airport (GRK) flight tickets cheaper when they're purchased at the last minute? > Flight prices are constantly going up and down, so not always. While last-minute flight deals between Ontario Airport and Killeen-Fort Hood Regional Airport are possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some air carriers release their prices up to a year ahead of the departure date. Expedia is continuously updating the biggest bargains around, so check back often and be ready to lock in your seat when the price is low. ## Travel information | Origin airport | Los Angeles - Ontario Intl. | | --- | --- | | Destination airport | Killeen-Fort Hood Regional | | Distance | 1868 km | ## Book with confidence ### Los Angeles to Killeen Flights **The easy way to book your flights from Ontario to Killeen**  With Expedia, it’s simple to find and book flights to Killeen 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 Killeen-Fort Hood 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 Killeen today, tomorrow, or this week.   **Save dollars with cheap flights from Los Angeles - Ontario Intl., ONT to Killeen-Fort Hood Regional, GRK**  Sort your search results by price to find great deals on your flight from Ontario to Killeen—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Killeen 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 Killeen   - 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 Killeen 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. 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