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O'Hare Intl

$242+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — ORD
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$299
(American Airlines)

One-way from

$242
(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 septiembre 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/84:10 pmGRK - ORD
1 stop5h 11mAmerican Airlines
mar. 11/118:50 amORD - GRK
1 stop6h 50mAmerican Airlines
Deal found 9/9$408
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2210:36 amGRK - ORD
1 stop7h 24mAmerican Airlines
jue. 10/235:00 amORD - GRK
1 stop5h 06mAmerican Airlines
Deal found 9/9$412
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/96:13 pmGRK - ORD
1 stop5h 40mAmerican Airlines
mié. 10/156:16 pmORD - GRK
1 stop4h 36mAmerican Airlines
Deal found 9/9$438
This American Airlines deal was found by Cheapflights users on 9/10. 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.
lun. 9/294:40 pmGRK - ORD
1 stop7h 19mAmerican Airlines
dom. 10/56:00 amORD - GRK
1 stop5h 08mAmerican Airlines
Deal found 9/10$476
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/194:40 pmGRK - ORD
1 stop7h 19mAmerican Airlines
sáb. 9/206:30 pmORD - GRK
1 stop4h 15mAmerican Airlines
Deal found 9/9$486
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/222:48 pmGRK - ORD
2 stops5h 36mAmerican Airlines
vie. 10/245:17 pmORD - GRK
1 stop4h 16mAmerican Airlines
Deal found 9/9$868

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 septiembre 11, 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

sáb. 2/28

5:18 am-6:00 pm

2 stops12h 42m

Chicago O'Hare Intl

mié. 3/4

5:00 am-9:28 am

1 stop4h 28m

$299

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

sáb. 11/8

4:10 pm-9:21 pm

1 stop5h 11m

Chicago O'Hare Intl

mar. 11/11

8:50 am-3:40 pm

1 stop6h 50m

$408

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

mié. 10/22

10:36 am-6:00 pm

1 stop7h 24m

Chicago O'Hare Intl

jue. 10/23

5:00 am-10:06 am

1 stop5h 06m

$412

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

mié. 10/22

5:16 am-12:30 pm

1 stop7h 14m

Chicago O'Hare Intl

vie. 10/24

5:00 am-10:06 am

1 stop5h 06m

$412

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

lun. 9/29

4:40 pm-9:42 pm

1 stop5h 02m

Chicago O'Hare Intl

dom. 10/5

6:00 am-11:08 am

1 stop5h 08m

$476

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

dom. 9/28

4:32 pm-11:17 pm

1 stop6h 45m

$242

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

lun. 9/29

4:40 pm-11:59 pm

1 stop7h 19m

$242

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

lun. 10/13

6:13 pm-10:36 pm

1 stop4h 23m

$254

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

dom. 10/12

6:13 pm-10:36 pm

1 stop4h 23m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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 septiembre 11, 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

Food

6.4

Boarding

7.5

Overall

7.2

Entertainment

6.9

Crew

8.0

Comfort

7.2

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
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.4

Boarding

7.5

Overall

7.2

Entertainment

6.9

Crew

8.0

Comfort

7.2

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 12h 42m. Fly via American Airlines to get the fastest option. There are 932 mi between Killeen and Chicago O'Hare Intl Airport.

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

    According to our current data, American Airlines ($337), 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
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Beloit
Racine
Rockford
Orland Park
Oak Brook
Downers Grove
Naperville
Elk Grove Village
Evanston
Merrillville
Bridgeview
Warrenville

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Alternative routes for Killeen to O'Hare Intl

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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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$337Average$485FlexibilityNo cancel feeOn-time71%

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