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GRK - ONT

$274 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

When to travel
February
Cheapest • 32% price drop
May
Most popular
Good to know
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Good to know
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Cheap Flights from Killeen to Ontario (GRK-ONT)

 
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Recent round-trip flight deals from Killeen to Ontario

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GRK  Killeen Fort Hood Regional-ONT Ontario Airport
1167 mimulti-stop
Multiple Airlines Logo
ONT  Ontario Airport-GRK Killeen Fort Hood Regional
1167 mimulti-stop
Multiple 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 with more confidence.

What is the cheapest layover airport when flying from Killeen to Ontario?

Flights via Dallas/Fort Worth (DFW) offer the most affordable fares, with an average round-trip price of $568. Based on KAYAK data over the past 3 months.

When flying from Killeen to Ontario which airport offers the shortest layover?

Dallas/Fort Worth (DFW) had the shortest average connection time for Killeen to Ontario layovers at 4h 06m over the past 3 months.

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Key details for Killeen to Ontario flights

Low season

December
The most popular month to fly with an average 100% increase in travelers.

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

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

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

  • 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.

  • 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.

  • 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

  • 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).

  • 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.

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

    Yes. Flexible dates can save you up to 31% on flights from Killeen to Ontario. Saturday is the cheapest departure day at $474 round-trip on average, while Friday is the most expensive at $684, a difference of $210.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • 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 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.

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 are flexible, aim for a Saturday departure and avoid flying on Friday. On this route, Saturday flights average $474, about $210 less than Friday fares (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
    • Ontario Airport Inn
    • La Quinta Inn & Suites by Wyndham Ontario Airport

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