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Cons: In boarding, putting groups 3, 4, and 5 in the same line works.

United flights from Killeen to Chicago (GRK→ORD) Prices were available within the past 7 days and starts atfor one-way flights and for round trip, for the period specified.

Check out the best flights leaving from Chicago airport and secure the lowest fares for your upcoming travel plans.

Prices and availability are subject to airlinehelp.xyzes Serving: American Airlines, United. Find our best return flights from Killeen GRK to Chicago ORD at the right price. Airfares to Chicago ORD from Killeen GRK currently cost betweenandIt’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change.

American Airlines flights from Killeen to Chicago (GRK→ORD) Prices were available within the past 7 days and starts at for one-way flights andfor round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Bagging a cheap flight from Killeen to Chicago may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair Airlines Serving: American Airlines, United.

The total flight duration time from Killeen (GRK) to Chicago (ORD) is typically 6 hours 29 minutes. This is the average non-stop flight time based upon historical flights for this route.

During this period travelers can expect to fly about miles, or 1, kilometers. Return flights from Killeen GRK to Chicago ORD with American Airlines If you’re planning a round trip, booking return flights with American Airlines is usually the most cost-effective option.

With airfares ranging fromto, it’s easy to find a flight that suits your budget. Flexible airline tickets for United flights from Killeen GRK to Chicago ORD Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options.

Use our ‘no change fee’ filter to see which flights have this option.

There are a lot of reasons to book your flights to Chicago. How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Killeen to Chicago? KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Killeen is likely to change within 7 days, so travelers know whether to wait or book now.