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$227+ Cheap flights from Killeen (GRK) to Chicago (CHI)

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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — CHI
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Killeen to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to Chicago (CHI). 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$383
(American Airlines)

One-way from

$227
(American Airlines)
Provider with most accurate pricing for Killeen Fort Hood Regional-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Chicago (CHI) flights.
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From Killeen Fort Hood Regional to Chicago (CHI)
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One-way flight from Killeen Fort Hood Regional to Chicago (CHI)
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Find flight deals from Killeen to Chicago

Cheapest flights from Killeen to Chicago
Explore the most affordable flight options available from Killeen to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/30. 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.
Thu 11/2710:34 amGRK - ORD
1 stop4h 45mAmerican Airlines
Thu 12/45:18 amORD - GRK
1 stop6h 00mAmerican Airlines
Deal found 10/30$397
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/124:10 pmGRK - ORD
1 stop6h 10mAmerican Airlines
Sun 11/165:18 amORD - GRK
1 stop4h 46mAmerican Airlines
Deal found 10/27$427
This American Airlines deal was found by Cheapflights users on 10/29. 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 11/155:05 amGRK - ORD
1 stop4h 53mAmerican Airlines
Wed 11/198:50 amORD - GRK
1 stop6h 50mAmerican Airlines
Deal found 10/29$429
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 12/306:32 pmGRK - ORD
2 stops12h 56mAmerican Airlines
Thu 1/111:48 amORD - GRK
1 stop6h 08mAmerican Airlines
Deal found 10/29$461
This American Airlines deal was found by Cheapflights users on 10/28. 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 11/17:45 amGRK - ORD
1 stop7h 21mAmerican Airlines
Mon 11/35:18 amORD - GRK
1 stop6h 04mAmerican Airlines
Deal found 10/28$526
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 12/3111:57 amGRK - ORD
1 stop5h 20mAmerican Airlines
Thu 1/17:18 amORD - GRK
2 stops10h 38mAmerican Airlines
Deal found 10/29$534
This American Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/77:15 pmGRK - ORD
1 stop4h 22mAmerican Airlines
Sun 11/95:18 amORD - GRK
1 stop6h 02mAmerican Airlines
Deal found 10/28$547
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 12/306:32 pmGRK - ORD
1 stop4h 43mAmerican Airlines
Fri 1/25:21 amORD - GRK
1 stop6h 06mAmerican Airlines
Deal found 10/29$608

Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen to Chicago 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 October 30, 2025.
Use the filters below to find and compare flights from Killeen to Chicago that are best for you.

Fly from

Killeen

Fly to

Chicago

Route

Depart

Return

Price

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Wed 2/25

12:01 pm-5:32 pm

1 stop5h 31m

Chicago O'Hare Intl

Sat 2/28

5:11 pm-10:24 pm

1 stop5h 13m

$383

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Thu 11/27

10:34 am-3:19 pm

1 stop4h 45m

Chicago O'Hare Intl

Thu 12/4

5:18 am-11:18 am

1 stop6h 00m

$397

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Wed 11/12

4:10 pm-10:20 pm

1 stop6h 10m

Chicago O'Hare Intl

Sun 11/16

5:18 am-10:04 am

1 stop4h 46m

$427

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Sat 11/15

5:05 am-9:58 am

1 stop4h 53m

Chicago O'Hare Intl

Wed 11/19

8:50 am-3:40 pm

1 stop6h 50m

$429

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Sat 2/21

6:40 pm-11:40 pm

1 stop5h 00m

Chicago O'Hare Intl

Wed 2/25

8:00 am-8:13 pm

2 stops12h 13m

$434

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Wed 12/31

10:21 am-5:17 pm

1 stop6h 56m

Chicago O'Hare Intl

Thu 1/1

5:21 am-11:27 am

1 stop6h 06m

$480

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Tue 12/30

11:57 am-5:17 pm

1 stop5h 20m

Chicago O'Hare Intl

Thu 1/1

5:21 am-11:27 am

1 stop6h 06m

$480

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Tue 12/30

6:32 pm-11:15 pm

1 stop4h 43m

$227

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Wed 12/31

11:57 am-5:17 pm

1 stop5h 20m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Compare providers for flights from Killeen to Chicago

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 Chicago in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Killeen-Chicago flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Killeen-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Killeen-Chicago 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 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 Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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

What is the cheapest month to book a flight from Killeen to Chicago?

Currently, March is the cheapest month in which you can book a flight from Killeen to Chicago (average of $59). Flying from Killeen to Chicago in February is currently the most expensive (average of $188). 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.

Related info for your journey

Find useful and relevant information for your journey from Killeen to Chicago. 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?

    Most people fly from Killeen Fort Hood Regional (GRK) if they book a flight from Killeen to Chicago. On average, Fort Hood Regional has 0 outbound flights to Chicago per day from 1 airline. Killeen Fort Hood Regional is conveniently located just 6.9 mi from Killeen’s city center.

  • How long is the flight from Killeen to Chicago?

    Departing from Killeen to Chicago will take you 5h 31m. There are 932 mi between Killeen and Chicago.

  • Can I find deals for flights from Killeen to Chicago that include hotel bookings?

    Yes. In addition to deals on Killeen to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Killeen to Chicago?

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

  • Can I find deals for business class flights from Killeen to Chicago?

    Yes. Cheapflights offers flight deals from Killeen to Chicago 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?

    Currently, March is the cheapest month in which you can book a flight from Killeen to Chicago (average of $59). Flying from Killeen to Chicago in February is currently the most expensive (average of $188). 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?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
Lansing
Hammond
Porter
Benton Harbor

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Top airline flying from Killeen to Chicago

Discover the top airline that operate flights from Killeen to Chicago. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$317Average$485FlexibilityNo cancel feeOn-time71%

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