ONT - GRK

$299 Find Cheap Flights from Ontario to Killeen - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$533
Typical prices: $392-$640
American Airlines
Tue 1/9Tue 1/16
ONT - GRK • 1 stop
Cheapest one-way
$299
Typical prices: $185-$295
American Airlines
Sun 11/25
ONT - GRK • 1 stop
When to travel
February
Cheapest • 29% price drop
May
Most popular
Good to know
+1
Good to know
+1
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Cheap Flights from Ontario to Killeen (ONT-GRK)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Killeen

Sat, Jan 9 - Sat, Jan 16
American Airlines Logo
6:00 am - 3:51 pmONT  Ontario-GRK Killeen Fort Hood Regional
7h 51m1 stop Dallas/Fort Worth
American Airlines Logo
12:30 pm - 6:51 pmGRK  Killeen Fort Hood Regional-ONT Ontario
8h 21m1 stop Dallas/Fort Worth
$533American Airlines
Sat, Jan 9 - Mon, Jan 18
American Airlines Logo
6:00 am - 3:51 pmONT  Ontario-GRK Killeen Fort Hood Regional
7h 51m1 stop Dallas/Fort Worth
American Airlines Logo
12:30 pm - 6:51 pmGRK  Killeen Fort Hood Regional-ONT Ontario
8h 21m1 stop Dallas/Fort Worth
$545American Airlines
Thu, Jan 7 - Sat, Jan 16
American Airlines Logo
2:23 pm - 10:47 pmONT  Ontario-GRK Killeen Fort Hood Regional
6h 24m1 stop Dallas/Fort Worth
American Airlines Logo
5:05 am - 9:48 amGRK  Killeen Fort Hood Regional-ONT Ontario
6h 43m1 stop Dallas/Fort Worth
$545American Airlines
Mon, Jan 11 - Sat, Jan 16
American Airlines Logo
2:23 pm - 10:47 pmONT  Ontario-GRK Killeen Fort Hood Regional
6h 24m1 stop Dallas/Fort Worth
American Airlines Logo
5:05 am - 9:48 amGRK  Killeen Fort Hood Regional-ONT Ontario
6h 43m1 stop Dallas/Fort Worth
$545American Airlines
Thu, Jan 7 - Mon, Jan 18
American Airlines Logo
2:23 pm - 10:47 pmONT  Ontario-GRK Killeen Fort Hood Regional
6h 24m1 stop Dallas/Fort Worth
American Airlines Logo
12:30 pm - 6:51 pmGRK  Killeen Fort Hood Regional-ONT Ontario
8h 21m1 stop Dallas/Fort Worth
$557American Airlines
Mon, Jan 11 - Mon, Jan 18
American Airlines Logo
2:23 pm - 10:47 pmONT  Ontario-GRK Killeen Fort Hood Regional
6h 24m1 stop Dallas/Fort Worth
American Airlines Logo
12:30 pm - 6:51 pmGRK  Killeen Fort Hood Regional-ONT Ontario
8h 21m1 stop Dallas/Fort Worth
$557American Airlines
Fri, Jan 8 - Sat, Jan 16
American Airlines Logo
12:45 pm - 10:47 pmONT  Ontario-GRK Killeen Fort Hood Regional
8h 02m1 stop Dallas/Fort Worth
American Airlines Logo
12:30 pm - 6:51 pmGRK  Killeen Fort Hood Regional-ONT Ontario
8h 21m1 stop Dallas/Fort Worth
$565American Airlines
Sat, Jan 9 - Sun, Jan 17
American Airlines Logo
7:00 am - 3:51 pmONT  Ontario-GRK Killeen Fort Hood Regional
6h 51m1 stop Dallas/Fort Worth
American Airlines Logo
12:30 pm - 6:51 pmGRK  Killeen Fort Hood Regional-ONT Ontario
8h 21m1 stop Dallas/Fort Worth
$565American Airlines
Fri, Dec 11 - Tue, Dec 15
American Airlines Logo
11:59 pm - 9:25 amONT  Ontario-GRK Killeen Fort Hood Regional
7h 26m1 stop Dallas/Fort Worth
American Airlines Logo
12:26 pm - 6:44 pmGRK  Killeen Fort Hood Regional-ONT Ontario
8h 18m1 stop Dallas/Fort Worth
$566American Airlines
Mon, Jan 11 - Sun, Jan 17
American Airlines Logo
2:23 pm - 10:47 pmONT  Ontario-GRK Killeen Fort Hood Regional
6h 24m1 stop Dallas/Fort Worth
American Airlines Logo
5:05 am - 9:48 amGRK  Killeen Fort Hood Regional-ONT Ontario
6h 43m1 stop Dallas/Fort Worth
$577American Airlines
Booking Insights

Price, demand and travel trends for Ontario to Killeen flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Ontario to Killeen?

Round-trip flights from Ontario to Killeen typically range from $392 to $640. The lowest price found in the past 5 days was $533, on American Airlines.

Find deals

Key details for Ontario to Killeen flights

Cheapest flight

$299
The most popular month to fly with an average 6% increase in travelers.
One-way flight from Ontario to Killeen

When to book flights from Ontario to Killeen

Are your dates flexible? Find out the best times to travel from Ontario to Killeen based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ontario to Killeen flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Ontario to Killeen?

    Two cabin classes are available on flights from Ontario to Killeen:

    • Economy Class
    • First Class

  • Do I need a passport to fly from Ontario to Killeen?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Ontario to Killeen flight?

    Round-trip flights from Ontario to Killeen range from $392 to $640, with an average of $523 over the past 12 months. Anything below $392 counts as a good deal.

  • Have flight prices from Ontario to Killeen changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $533 to $675. That means the highest observed fare was about 26% higher than the lowest one.

  • How are flight prices from Ontario to Killeen looking right now?

    One-way fares from Ontario to Killeen are currently higher than usual. Average one-way flight prices are about $350, which is 75% above the typical average for this route.

  • What car rental options are available at Killeen Fort Hood Regional Airport (GRK)?

    Killeen Fort Hood Regional Airport (GRK) hosts 5 major car rental companies, with daily rates averaging $63 for economy cars. Top options include:

    • Budget
    • Dollar
    • Hertz
    • Alamo
    • Enterprise Rent-A-Car

  • Which airports can I use when flying from Ontario to Killeen?

    Flights from Ontario to Killeen usually depart from Ontario (ONT) and arrive at Killeen Fort Hood Regional (GRK).

  • Which airports do connecting flights from Ontario to Killeen pass through?

    Most connecting flights from Ontario to Killeen pass through Dallas/Fort Worth (DFW), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Ontario to Killeen?

    Yes. Flexible dates can save you up to 45% on flights from Ontario to Killeen. Friday is the cheapest departure day at $396 round-trip on average, while Monday is the most expensive at $712, a difference of $316.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Ontario and Killeen?

    Killeen is 2 hours ahead of Ontario (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Ontario to Killeen flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Monday. On this route, Friday flights average $396, about $316 less than Monday fares (44% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Ontario to Killeen trip for February. Fares historically average $371 round-trip in that month - typically $341 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from Ontario to Killeen

Complete your trip to Killeen with a hotel stay or car rental

Car rentals in Killeen
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