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Use our filters to sort by price, compare airlines, and find the most convenient flight times. 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.

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.

Rome2rio has everything you need to know about travelling with Amtrak.

Book one-way United flights from Killeen GRK to Chicago ORD A one-way ticket gives you much greater flexibility- allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. 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. Find cheap United flights from Killeen to Chicago starting atGreat United flights deals for one-way or return flights from GRK → ORD. Book now & save!Airlines Serving: American Airlines, United. Killeen (GRK) to Chicago O'Hare (ORD) flights The flight time between Killeen (GRK) and Chicago O'Hare (ORD) is around 6h 47m and covers a distance of around miles.

This includes an average layover time of around 2h 48m. The fastest flight normally takes 4h 30m. Services are operated by American Airlines and United Airlines.