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O'Hare Intl

$387+ Cheap flights from Killeen (GRK) to O'Hare Intl (ORD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — ORD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Killeen to O'Hare Intl

Best flights from Killeen to O'Hare Intl
Discover carefully curated flight deals from Killeen to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This KAYAK deal was found by Cheapflights users on 12/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/207:00 amGRK - ORD
1 stop4h 55mAmerican Airlines
Wed 1/215:10 pmORD - GRK
1 stop5h 33mAmerican Airlines
Deal found 12/9$387
This KAYAK deal was found by Cheapflights users on 12/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1912:31 pmGRK - ORD
1 stop6h 58mAmerican Airlines
Tue 1/201:15 pmORD - GRK
1 stop5h 38mAmerican Airlines
Deal found 12/9$447

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars
Provider with most accurate pricing for Killeen Fort Hood Regional-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Chicago O'Hare Intl flights.
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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 December 12, 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

Tue 1/20

7:00 am-11:55 am

1 stop4h 55m

Chicago O'Hare Intl

Wed 1/21

5:10 pm-10:43 pm

1 stop5h 33m

$387

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Mon 1/19

12:31 pm-7:29 pm

1 stop6h 58m

Chicago O'Hare Intl

Tue 1/20

1:15 pm-6:53 pm

1 stop5h 38m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Killeen to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Killeen to O'Hare Intl in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Killeen-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Killeen-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Killeen-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Killeen-Chicago O'Hare Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Killeen-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, March is the cheapest month in which you can book a flight from Killeen to Chicago O'Hare Intl Airport (average of $58). Flying from Killeen to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $197). 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 December 12, 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
11,050 reviews

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Crew

8.0

Overall

7.2

Food

6.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Crew

8.0

Overall

7.2

Food

6.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.

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.

  • How long is the flight from Killeen to Chicago O'Hare Intl Airport?

    There are many flights that can get you from Killeen to Chicago O'Hare Intl Airport in 4h 55m. Fly via American Airlines to get the fastest option. There are 932 mi between Killeen and 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, March is the cheapest month in which you can book a flight from Killeen to Chicago O'Hare Intl Airport (average of $58). Flying from Killeen to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $197). 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
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Warrenville
Waukegan
Aurora
Kenosha
Evanston

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$317Average$485FlexibilityNo cancel feeOn-time71%

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