GRK - ONT

$199 Find Cheap Flights from Killeen to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$437
Typical prices: $481-$684
American Airlines
Thu 10/25Thu 11/1
GRK - ONT • 1 stop
Cheapest one-way
$199
Typical prices: $116-$261
American Airlines
Sat 12/1
GRK - ONT • 1 stop
When to travel
February
Cheapest • 32% price drop
May
Most popular
Good to know
+1
Good to know
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Flight Deals

Cheap Flights from Killeen to Ontario (GRK-ONT)

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

Recent round-trip flight deals from Killeen to Ontario

Sun, Oct 25 - Sun, Nov 1
American Airlines Logo
7:02 pm - 11:52 pmGRK  Killeen Fort Hood Regional-ONT Ontario
6h 50m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 2:37 pmONT  Ontario-GRK Killeen Fort Hood Regional
5h 37m1 stop Dallas/Fort Worth
$437American Airlines
Tue, Oct 6 - Sun, Oct 11
American Airlines Logo
3:16 pm - 6:44 pmGRK  Killeen Fort Hood Regional-ONT Ontario
5h 28m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 2:44 pmONT  Ontario-GRK Killeen Fort Hood Regional
5h 44m1 stop Dallas/Fort Worth
$511American Airlines
Mon, Oct 5 - Sat, Oct 10
American Airlines Logo
7:02 pm - 11:52 pmGRK  Killeen Fort Hood Regional-ONT Ontario
6h 50m1 stop Dallas/Fort Worth
American Airlines Logo
11:59 pm - 9:23 amONT  Ontario-GRK Killeen Fort Hood Regional
7h 24m1 stop Dallas/Fort Worth
$543American Airlines
Sun, Oct 4 - Fri, Oct 9
American Airlines Logo
10:04 am - 1:25 pmGRK  Killeen Fort Hood Regional-ONT Ontario
5h 21m1 stop Dallas/Fort Worth
American Airlines Logo
2:22 pm - 11:36 pmONT  Ontario-GRK Killeen Fort Hood Regional
7h 14m1 stop Dallas/Fort Worth
$549American Airlines
Sun, Oct 4 - Thu, Oct 8
American Airlines Logo
10:04 am - 1:25 pmGRK  Killeen Fort Hood Regional-ONT Ontario
5h 21m1 stop Dallas/Fort Worth
American Airlines Logo
2:22 pm - 11:36 pmONT  Ontario-GRK Killeen Fort Hood Regional
7h 14m1 stop Dallas/Fort Worth
$549American Airlines
Thu, Oct 15 - Sat, Oct 17
American Airlines Logo
7:00 am - 11:53 amGRK  Killeen Fort Hood Regional-ONT Ontario
6h 53m1 stop Dallas/Fort Worth
American Airlines Logo
11:59 pm - 9:23 amONT  Ontario-GRK Killeen Fort Hood Regional
7h 24m1 stop Dallas/Fort Worth
$576American Airlines
Tue, Oct 6 - Sun, Oct 11
American Airlines Logo
5:00 am - 12:14 pmGRK  Killeen Fort Hood Regional-ONT Ontario
9h 14m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
10:25 am - 6:32 pmONT  Ontario-GRK Killeen Fort Hood Regional
6h 07m1 stop Dallas/Fort Worth
$586American Airlines
Mon, Oct 5 - Sat, Oct 10
American Airlines Logo
12:28 pm - 6:44 pmGRK  Killeen Fort Hood Regional-ONT Ontario
8h 16m1 stop Dallas/Fort Worth
American Airlines Logo
9:41 am - 8:52 pmONT  Ontario-GRK Killeen Fort Hood Regional
9h 11m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth
$618American Airlines
Thu, Oct 15 - Sun, Oct 18
American Airlines Logo
10:00 am - 1:30 pmGRK  Killeen Fort Hood Regional-ONT Ontario
5h 30m1 stop Dallas/Fort Worth
American Airlines Logo
10:25 am - 6:32 pmONT  Ontario-GRK Killeen Fort Hood Regional
6h 07m1 stop Dallas/Fort Worth
$678American Airlines
Thu, Oct 15 - Sat, Oct 17
American Airlines Logo
12:28 pm - 6:43 pmGRK  Killeen Fort Hood Regional-ONT Ontario
8h 15m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
11:59 pm - 9:23 amONT  Ontario-GRK Killeen Fort Hood Regional
7h 24m1 stop Dallas/Fort Worth
$679American Airlines
Booking Insights

Price, demand and travel trends for Killeen to Ontario flights

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

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

Round-trip flights from Killeen to Ontario start at $437. Prices are below average for this route right now, with typical round-trip fares ranging from $481 to $684. The lowest price found in the past 5 days was $437 on American Airlines.

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Key details for Killeen to Ontario flights

Low season

December

Cheapest flight

$199
Most popular time to fly and prices are also 13% lower on average.
Flight from Killeen to Ontario

When to book flights from Killeen to Ontario

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

Your Killeen to Ontario flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

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

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

    Only Economy Class is available on flights from Killeen to Ontario.

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

    Most connecting flights from Killeen to Ontario pass through Dallas/Fort Worth (DFW), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

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

    On the Killeen to Ontario route, being flexible with your departure day can save you up to 31%. Saturday is the cheapest day at $474 round-trip on average, while Friday is the most expensive at $684: a $210 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

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

    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.

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

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $437 to $947. That means the highest observed fare was about 2x higher than the lowest one.

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

    One-way fares from Killeen to Ontario are currently higher than usual. Average one-way flight prices are about $315, which is 40% above the typical average for this route.

  • What is the time difference between Killeen and Ontario?

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

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:
    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

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

    Round-trip flights from Killeen to Ontario range from $481 to $684, with an average of $568 over the past 12 months. Anything below $481 counts as a good deal.

Your guide to booking Killeen to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Friday. On this route, Saturday flights average $474 - about $210 less than Friday (31% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Killeen to Ontario trip for February. Fares historically average $384 round-trip in that month - typically $492 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.
    - Azure Hotel & Suites, Trademark Collection by Wyndham
    - La Quinta Inn & Suites by Wyndham Ontario Airport
    - Ontario Airport Inn

More options for your flight from Killeen to Ontario

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

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario