HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Ontario to Killeen (ONT - GRK) from $279

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — GRK
mai 11 — mai 181
From?
To?
sam. 5/11
sam. 5/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 mai 6, 2024.

Popular in

April

Cheapest in

January

Round-trip from

$295

One-way from

$279
High demand for flights, 56% potential price rise
Search Deals
Best time to find cheap flights, 43% potential price drop
Search Deals
From Ontario to Killeen Fort Hood Regional
Search Deals
One-way flight from Ontario to Killeen Fort Hood Regional
Search Deals

What is the cheapest day to fly round-trip from Ontario to Killeen?

Friday flights are found to be more expensive to fly from Ontario to Killeen. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Killeen.

What is the cheapest month to fly from Ontario to Killeen?

Due to multiple factors, expect to potentially pay more when booking in February. For low rates, August can be a great choice for travel to Killeen. Flights to Killeen from Ontario in August are about $414 on average during August, but can be found for as low as $209.

When is the cheapest time to fly from Ontario to Killeen (ONT - GRK)?

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 morning, which can drop the price by up to 2% versus a flight at noon.

Cheap American Airlines flights from Ontario to Killeen

Explore cheap flight options specifically provided by American Airlines for the route between Ontario and Killeen. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated mai 6, 2024.
ven. 6/711:59 pmONT - GRK
1 stop7h 52mAmerican Airlines
dim. 6/96:58 pmGRK - ONT
1 stop7h 01mAmerican Airlines
Deal found 5/5$586
mer. 5/152:50 pmONT - GRK
1 stop6h 37mAmerican Airlines
lun. 5/202:17 pmGRK - ONT
1 stop6h 05mAmerican Airlines
Deal found 5/5$589
sam. 6/152:44 pmONT - GRK
1 stop6h 40mAmerican Airlines
mar. 6/184:44 pmGRK - ONT
2 stops6h 56mAmerican Airlines
Deal found 5/4$603
sam. 6/156:00 amONT - GRK
1 stop7h 48mAmerican Airlines
mar. 6/186:58 pmGRK - ONT
1 stop5h 11mAmerican Airlines
Deal found 5/4$647

Cheap Ontario to Killeen flights in May & June 2024

Find cheap flight options from Ontario to Killeen specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Prices were last updated on mai 6, 2024.
ven. 5/1712:50 pmONT - GRK
1 stop5h 45mAmerican Airlines
dim. 5/195:10 amGRK - ONT
2 stops8h 37mAmerican Airlines
Deal found 5/5$505
ven. 5/176:35 amONT - GRK
2 stops9h 29mAmerican Airlines
dim. 5/195:10 amGRK - ONT
2 stops8h 37mAmerican Airlines
Deal found 5/5$517
ven. 6/711:59 pmONT - GRK
1 stop7h 52mAmerican Airlines
dim. 6/96:58 pmGRK - ONT
1 stop7h 01mAmerican Airlines
Deal found 5/5$586
mer. 5/152:50 pmONT - GRK
1 stop6h 37mAmerican Airlines
lun. 5/202:17 pmGRK - ONT
1 stop6h 05mAmerican Airlines
Deal found 5/5$589
sam. 6/152:44 pmONT - GRK
1 stop6h 40mAmerican Airlines
mar. 6/184:44 pmGRK - ONT
2 stops6h 56mAmerican Airlines
Deal found 5/4$603
sam. 6/156:00 amONT - GRK
1 stop7h 48mAmerican Airlines
mar. 6/186:58 pmGRK - ONT
1 stop5h 11mAmerican Airlines
Deal found 5/4$647
jeu. 5/1610:34 amONT - GRK
1 stop5h 30mAmerican Airlines
dim. 5/195:10 amGRK - ONT
1 stop6h 30mAmerican Airlines
Deal found 5/5$650
dim. 5/511:59 pmONT - GRK
1 stop8h 00mAmerican Airlines
dim. 5/266:20 amGRK - ONT
1 stop5h 20mAmerican Airlines
Deal found 5/5$1,049

Ontario to Killeen 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Killeen in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated mai 6, 2024.
mar. 7/211:59 pmONT - GRK
1 stop7h 52mAmerican Airlines
mar. 7/96:49 pmGRK - ONT
1 stop7h 00mAmerican Airlines
Deal found 5/5$387
mer. 7/106:15 amONT - GRK
2 stops9h 58mAmerican Airlines
mer. 7/176:45 pmGRK - ONT
1 stop5h 20mAmerican Airlines
Deal found 5/5$414
mer. 7/37:26 pmONT - GRK
2 stops14h 36mAmerican Airlines
mer. 7/106:45 pmGRK - ONT
1 stop7h 04mAmerican Airlines
Deal found 5/5$421
jeu. 7/46:30 amONT - GRK
2 stops7h 44mAmerican Airlines
jeu. 7/114:12 pmGRK - ONT
1 stop4h 38mAmerican Airlines
Deal found 5/5$473
mar. 7/211:59 pmONT - GRK
1 stop7h 52mAmerican Airlines
mar. 7/94:12 pmGRK - ONT
2 stops7h 34mAmerican Airlines
Deal found 5/5$489
mer. 7/106:15 amONT - GRK
2 stops9h 58mAmerican Airlines
mer. 7/174:20 pmGRK - ONT
2 stops7h 26mAmerican Airlines
Deal found 5/5$500
ven. 5/1712:50 pmONT - GRK
1 stop5h 45mAmerican Airlines
dim. 5/195:10 amGRK - ONT
2 stops8h 37mAmerican Airlines
Deal found 5/5$505
ven. 5/176:35 amONT - GRK
2 stops9h 29mAmerican Airlines
dim. 5/195:10 amGRK - ONT
2 stops8h 37mAmerican Airlines
Deal found 5/5$517
jeu. 7/46:30 amONT - GRK
2 stops7h 44mAmerican Airlines
jeu. 7/114:12 pmGRK - ONT
2 stops7h 34mAmerican Airlines
Deal found 5/5$575

Ontario to Killeen flights leaving soon

Find last-minute flight options from Ontario to Killeen for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated mai 6, 2024.
mer. 5/152:50 pmONT - GRK
1 stop6h 37mAmerican Airlines
lun. 5/202:17 pmGRK - ONT
1 stop6h 05mAmerican Airlines
Deal found 5/5$589

One-way flights to Killeen from Ontario

Search for one-way flight options from Ontario to Killeen. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,719,943 searches. Data last updated mai 6, 2024.
mar. 5/146:00 amONT - GRK
1 stop5h 38mAmerican Airlines
Deal found 5/5$279
mar. 5/1412:53 pmONT - GRK
2 stops8h 34mAmerican Airlines
Deal found 5/5$284

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 2,719,943 searches. Data last updated mai 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$586 - $647

Route

Depart

Return

Price

OntarioKilleen Fort Hood Regional

ONT - GRK

ONTGRK

Ontario

ven. 6/7

1 stop7h 52m

Killeen Fort Hood Regional

dim. 6/9

1 stop7h 01m

$586

OntarioKilleen Fort Hood Regional

ONT - GRK

ONTGRK

Ontario

sam. 6/15

1 stop6h 40m

Killeen Fort Hood Regional

mar. 6/18

2 stops6h 56m

$603

OntarioKilleen Fort Hood Regional

ONT - GRK

ONTGRK

Ontario

sam. 6/15

1 stop7h 48m

Killeen Fort Hood Regional

mar. 6/18

1 stop5h 11m

$647

Flights are sorted by cheapest first

Deals found on 5/5

When is the cheapest time to fly from Ontario to Killeen?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Killeen. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Killeen flight should consider departing on Friday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Killeen by month

Plan your trip from Ontario to Killeen by taking into account the cheapest months to travel. The average price of a one-way flight from Ontario to Killeen is currently $282 while a round-trip flight costs $612. Price data was last updated on April 28, 2024.

Currently, January is the cheapest month in which you can book a flight from Ontario to Killeen (average of $295). Flying from Ontario to Killeen in July is currently the most expensive (average of $451). 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.

January

$295

February

$396

March

$447

April

$386

May

$395

June

$434

July

$451

August

$368

September

$364

October

$349

November

$446

December

$365

Temperature and rainfall in Killeen by month

Plan your trip to Killeen by taking into account the average temperature and rainfall totals by month.

GRK

Temperature

46.4 - 84.2 °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 mai 6, 2024.
American Airlines
7.3
Good
14,713 reviews
Check prices

Food

6.6

Boarding

7.6

Crew

8.0

Comfort

7.2

Entertainment

7.1

Overall

7.3

Reviews

1 / 10

Allow you to take your carry on with you on the plane. It was a full flight and I had to check my bag. As we boarded, a few people who came after me were able to take their bags on the plane.

American Airlines
7.3
Good
14,713 reviews
American Airlines
7.3
Good
14,713 reviews
Check prices

Food

6.6

Boarding

7.6

Crew

8.0

Comfort

7.2

Entertainment

7.1

Overall

7.3

Reviews

1 / 10

Allow you to take your carry on with you on the plane. It was a full flight and I had to check my bag. As we boarded, a few people who came after me were able to take their bags on the plane.

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.

  • Can I find flights from Ontario to Killeen for under $600 on Cheapflights?

    Yes, there are multiple flights from Ontario to Killeen for under $600. The cheapest flight booked recently is on American Airlines for just $586, but on average you can expect to pay $612.

  • Are there last-minute flights available from Ontario to Killeen for under $600?

    There are currently 1+ open flights from Ontario to Killeen within the next 7 days for less than $600.

  • What is the cheapest airline to fly from Ontario to Killeen round-trip?

    According to our current data, American Airlines ($586), offers the cheapest pricing from Ontario to Killeen.

  • What does ONT to GRK mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Ontario Airport to Killeen Fort Hood Regional Airport flight would often be abbreviated as a ONT to GRK flight.

  • Can I find deals for flights from Ontario to Killeen that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Killeen flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Killeen with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Killeen flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Ontario to Killeen that include hotel bookings?

    Yes. In addition to deals on Ontario to Killeen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Killeen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Killeen.

  • Can I find deals for business class flights from Ontario to Killeen?

    Yes. Cheapflights offers flight deals from Ontario to Killeen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Killeen that allow pets onboard?

    Many airlines flying from Ontario to Killeen offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Killeen?

    Yes, you can often find last-minute deals on Ontario to Killeen flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Killeen flight deals updated?

    The Ontario to Killeen flight deals you see on this page were last updated on 5/5.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Killeen
See prices for flight routes from nearby airports that may be better suited for you.

Los Angeles to Dallas/Fort Worth flights
San Francisco to Dallas/Fort Worth flights
Ontario to Dallas/Fort Worth flights
Los Angeles to Hobby flights
Los Angeles to George Bush Intcntl flights
Los Angeles to Austin flights
Ontario to Hobby flights
Santa Ana to Dallas/Fort Worth flights
San Jose to Dallas/Fort Worth flights
San Francisco to Austin flights
Ontario to George Bush Intcntl flights
Oakland to Dallas/Fort Worth flights
Burbank to Dallas/Fort Worth flights
Los Angeles to San Antonio flights
San Diego to Dallas/Fort Worth flights
San Francisco to Hobby flights
Burbank to Hobby flights
Burbank to George Bush Intcntl flights
Ontario to Austin flights
San Diego to Hobby flights
Santa Ana to Hobby flights
San Francisco to George Bush Intcntl flights
Oakland to Hobby flights
Santa Ana to George Bush Intcntl flights
San Diego to George Bush Intcntl flights
San Jose to Hobby flights
Oakland to George Bush Intcntl flights
Sacramento to Dallas/Fort Worth flights
Ontario to San Antonio flights
San Jose to Austin flights
Oakland to Austin flights
Burbank to San Antonio flights
Sacramento to Hobby flights
San Jose to George Bush Intcntl flights
San Diego to Austin flights
San Francisco to San Antonio flights
Fresno to Dallas/Fort Worth flights
Los Angeles to El Paso flights
Sacramento to George Bush Intcntl flights
Long Beach to Dallas/Fort Worth flights
Santa Ana to Austin flights
Santa Ana to Love Field flights
Ontario to Love Field flights
Burbank to Austin flights
Oakland to San Antonio flights
Santa Ana to San Antonio flights
Reno to Dallas/Fort Worth flights
Fresno to Austin flights
Sacramento to Austin flights
San Francisco to Love Field flights

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 2,719,943 searches. Data last updated mai 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$321Average$497FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Newark Airport to West Palm Beach flights
O'ahu to The Big Island flights
Charlotte to Miami flights
Buffalo to New York flights
Denver to Las Vegas flights
Bellingham to Las Vegas flights
New York to Washington, D.C. flights
San Antonio to Las Vegas flights
Los Angeles to Bangkok flights
Los Angeles to Rome flights
Portland to Denver flights
Ontario to Grand Rapids flights

Search flights from Ontario to Killeen by cabin class

Find flights from Ontario to Killeen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Saint Peter Jersey
Flights to Kirkwall Arpt
Flights to Skiathos
Flights to Naxos
Flights to Ningbo Lishe Intl
Flights to Edremit/Korfez
Flights to Bourgas
Flights to Bodø
Flights to Pellston Emmet County
Flights to Cornwall Newquay
Flights to Ordu/Giresun
Flights to Batumi
Flights to Mason City
Flights to Biarritz Parme
Flights to Zakynthos Dionsios Salomos
Flights to Cortez Montezuma County
Flights to Clermont-Ferrand Aulnat
Flights to Nevsehir
Flights to Hyannis Barnstable
Flights to Girona Costa Brava
Flights to Kagoshima
Flights to Perugia Sant Egidio
Flights to Oran Es Senia
Flights to Chios

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Killeen?

Deals for Ontario to Killeen flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Killeen?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Killeen.

Can Cheapflights find flights from Ontario to Killeen with no change fees?

Yes, we can. To see specific flights from Ontario to Killeen with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to Killeen become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Killeen flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines