A bridge over a river with surrounding greenery and a distant water tower.

$219 Cheap Flights from Chicago (CHI) to Killeen (ILE)

View $219 flight on Sat, Jan 16, 2027

Popular airlines from Chicago to Killeen, TX (ILE-Skylark Field)

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    • Find the cheapest flights on Expedia from Chicago (CHI) to Killeen (ILE). Flight ticket prices change frequently based on availability and demand. We send price‑drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia for this route in the past 7 days starts at $219 for travel on January 16, 2027.

    Cheap Flights from Chicago to Killeen (CHI-ILE)

    Prices were available within the past 7 days and start at $219 for one-way flights and $348 for roundtrip, for the period specified. Prices and availability are subject to change.

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    One way

    Roundtrip

    Select American Airlines flight, departing Thu, Feb 18 from Chicago to Killeen, returning Wed, Feb 24, priced at $348 Found 5 days ago

    Thu, Feb 18 - Wed, Feb 24 · ORD · GRK · Roundtrip

    Select American Airlines flight, departing Thu, Feb 18 from Chicago to Killeen, returning Wed, Feb 24, priced at $370 Found 5 days ago

    Thu, Feb 18 - Wed, Feb 24 · ORD · GRK · Roundtrip

    Select American Airlines flight, departing Sun, Feb 28 from Chicago to Killeen, returning Tue, Mar 9, priced at $399 Found 6 days ago

    Sun, Feb 28 - Tue, Mar 9 · ORD · GRK · Roundtrip

    Select American Airlines flight, departing Thu, Dec 10 from Chicago to Killeen, returning Sun, Dec 13, priced at $408 Found 1 hour ago

    Thu, Dec 10 - Sun, Dec 13 · ORD · GRK · Roundtrip

    Select American Airlines flight, departing Sat, Dec 19 from Chicago to Killeen, returning Mon, Dec 21, priced at $435 Found 6 days ago

    Sat, Dec 19 - Mon, Dec 21 · ORD · GRK · Roundtrip

    Select American Airlines flight, departing Sat, Dec 19 from Chicago to Killeen, returning Mon, Dec 21, priced at $436 Found 6 days ago

    Sat, Dec 19 - Mon, Dec 21 · ORD · GRK · Roundtrip

    Select American Airlines flight, departing Thu, Dec 17 from Chicago to Killeen, returning Sun, Dec 20, priced at $446 Found 1 day ago

    Thu, Dec 17 - Sun, Dec 20 · ORD · GRK · Roundtrip

    Select American Airlines flight, departing Thu, Feb 18 from Chicago to Killeen, returning Wed, Feb 24, priced at $448 Found 5 days ago

    Thu, Feb 18 - Wed, Feb 24 · ORD · GRK · Roundtrip

    Select American Airlines flight, departing Sun, Feb 28 from Chicago to Killeen, returning Tue, Mar 9, priced at $452 Found 6 days ago

    Sun, Feb 28 - Tue, Mar 9 · ORD · GRK · Roundt · rip

    Select American Airlines flight, departing Wed, Dec 2 from Chicago to Killeen, returning Fri, Dec 4, priced at $459 Just found

    Wed, Dec 2 - Fri, Dec 4 · ORD · GRK · Roundtrip

    Alternative airports near Killeen

    Prices were available within the past 7 days. Prices and availability are subject to change.

    Select flight to Killeen-Fort Hood Regional GRK. Cheapest option available. Average driving time to city center is 13 minutes. Flights from $555

    13 min

    Book with confidence

    Chicago to Killeen Flights

    The cheapest times to fly from Chicago to Killeen

    On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Killeen are during the month of February. You can find some of the cheapest flights from Chicago to Killeen with Expedia's search tool and vast selection of airlines.

    The best time to book a flight from Chicago to Killeen

    Sunday is one of the best days to book for cheap flights from Chicago to Killeen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

    How to find cheap round-trip tickets from Chicago to Killeen

    Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Killeen in 2026. You can also book with separate airlines for your outbound and return journeys, from $219 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

    Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Killeen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

    You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Killeen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

    *Terms apply.

    Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

    Travel information

    Origin airportChicago Midway Airport
    Destination airportKilleen, TX
    Distance921 miles away
    Roundtrip price$348

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