$199+ Cheap flights from Ontario to Killeen (ONT - GRK)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GRK
Feb 25 — Mar 41
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Killeen
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Killeen (GRK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 20, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (American Airlines) |
One-way from | $199 (American Airlines) |
Popular in | July |
Cheapest in | April |
Average price | $528 |
Find flight deals from Ontario to Killeen
Cheapest flights from Ontario to KilleenExplore the most affordable flight options available from Ontario to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
Explore the most affordable flight options available from Ontario to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/182:54 pmONT - GRK
1 stop6h 45mAmerican Airlines
Wed 4/25:56 pmGRK - ONT
1 stop7h 58mAmerican Airlines
Deal found 2/20![American Airlines logo]()
$311
Find flights from Ontario to Killeen within your budget
Customize your flight search to find flights from Ontario to Killeen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
Fly from
Ontario
Fly to
Killeen
Route
Depart
Return
Price
OntarioKilleen
ONT - GRK
ONTGRK
Ontario
Tue 3/18
2:54 pm-11:39 pm
1 stop6h 45m
Killeen Fort Hood Regional
Wed 4/2
5:56 pm-11:54 pm
1 stop7h 58m
$311
OntarioKilleen
ONT - GRK
ONTGRK
Ontario
Thu 4/3
11:59 pm-9:44 am
1 stop7h 45m
$199
Compare providers for flights from Ontario to Killeen
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Killeen in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Killeen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Killeen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Killeen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Killeen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Killeen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Killeen
Have a flexible travel schedule? Discover the best time to fly to Killeen from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Travel insights for flights from Ontario to Killeen
Get recent, data-driven insights about flights from Ontario to Killeen including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Ontario to Killeen?
Currently, January is the cheapest month in which you can book a flight from Ontario to Killeen (average of $316). Flying from Ontario to Killeen in June is currently the most expensive (average of $475). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ONT to GRK?
Find hourly flight availability from Ontario to Killeen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.
When flying from Ontario to Killeen, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 17% versus a flight in the morning.
Rainfall in Killeen by month
Plan your trip to Killeen by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Killeen ranges from 1.5 - 4.4 inches per month. October is typically the wettest month, when rainfall can reach 4.4 in. March is typically the driest time to visit Killeen when rainfall is around 1.5 in.
Temperature in Killeen by month
Plan your trip to Killeen by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Killeen, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).
Reviews of airlines servicing Killeen
Get insights into the airlines that provide service to Killeen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Killeen. Reviews last updated February 20, 2025.
Crew
8.0
Comfort
7.3
Entertainment
7.0
Overall
7.2
Boarding
7.5
Food
6.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2025
PIT - DFW
Crew
8.0
Comfort
7.3
Entertainment
7.0
Overall
7.2
Boarding
7.5
Food
6.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2025
PIT - DFW
Related info for your journey
Find useful and relevant information for your journey from Ontario to Killeen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Ontario?
Book flights to Ontario if you plan to visit one of these locationsTemple
Copperas Cove
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Alternative routes for Ontario to Killeen
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Ontario to Killeen
Discover the top airline that operate flights from Ontario to Killeen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$317 | Average$480 | FlexibilityNo cancel fee | On-time71% |