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O'Hare Intl

$225+ Cheap flights from Killeen (GRK) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — ORD
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Killeen to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$392
(American Airlines)

One-way from

$225
(American Airlines)
From Killeen Fort Hood Regional to Chicago O'Hare Intl
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One-way flight from Killeen Fort Hood Regional to Chicago O'Hare Intl
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Find flight deals from Killeen to O'Hare Intl

Cheapest flights from Killeen to O'Hare Intl
Explore the most affordable flight options available from Killeen to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:10 pmGRK - ORD
1 stop5h 11mAmerican Airlines
Tue 11/1111:46 amORD - GRK
1 stop6h 40mAmerican Airlines
Deal found 7/27$392

Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Killeen to Chicago O'Hare Intl Airport that are best for you.

Fly from

Killeen

Fly to

O'Hare Intl

Route

Depart

Return

Price

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Sat 11/8

4:10 pm-9:21 pm

1 stop5h 11m

Chicago O'Hare Intl

Tue 11/11

11:46 am-6:26 pm

1 stop6h 40m

$392

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Wed 8/20

5:16 am-12:22 pm

1 stop7h 06m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Killeen to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Killeen with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Killeen to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from Killeen to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Killeen to Chicago O'Hare Intl Airport (average of $245). Flying from Killeen to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated July 29, 2025.
See what other customers who have flown with American Airlines from Killeen to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Food

6.5

Overall

7.2

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Food

6.5

Overall

7.2

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

Related info for your journey

Find useful and relevant information for your journey from Killeen to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Killeen to Chicago O'Hare Intl?

    Killeen Fort Hood Regional (GRK) is the airport you will fly out of if you book a flight from Killeen to Chicago O'Hare Intl. You should not have trouble finding flights to Chicago O'Hare Intl from Fort Hood Regional; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Killeen airport to Chicago O'Hare Intl. It is only a 6.9 mi journey to Fort Hood Regional (GRK) from Killeen’s city center.

  • What is the cheapest airline to fly from Killeen to Chicago O'Hare Intl Airport round-trip?

    According to our current data, American Airlines ($392), offers the cheapest pricing from Killeen to Chicago O'Hare Intl Airport.

  • Can I find deals for flights from Killeen to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Killeen to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Killeen to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Killeen to O'Hare Intl.

  • Can I find deals for business class flights from Killeen to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Killeen to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Killeen to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Killeen to Chicago O'Hare Intl Airport (average of $245). Flying from Killeen to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Beloit
Hoffman Estates
Skokie
Naperville
Des Plaines
Elgin
Arlington Heights
Elk Grove Village
Racine
Rockford
Tinley Park
Orland Park
Merrillville
Downers Grove
Evanston
Lake Geneva
Gurnee
Joliet

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Top airline flying from Killeen to O'Hare Intl

Discover the top airline that operate flights from Killeen to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$317Average$462FlexibilityNo cancel feeOn-time71%

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