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O'Hare Intl

$216+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — ORD
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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Cheap 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 March 13, 2026.

This American Airlines deal was found by Cheapflights users on 3/11. 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 5/25:00 am
GRK
-
ORD
1 stop6h 21m
American Airlines
Sun 5/106:05 am
ORD
-
GRK
1 stop5h 16m
American Airlines
Deal found 3/11$360
This American Airlines deal was found by Cheapflights users on 3/12. 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 4/103:54 pm
GRK
-
ORD
1 stop6h 06m
American Airlines
Mon 4/135:00 am
ORD
-
GRK
1 stop4h 35m
American Airlines
Deal found 3/12$394
This American Airlines deal was found by Cheapflights users on 3/11. 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 4/111:08 pm
GRK
-
ORD
1 stop6h 49m
American Airlines
Sat 4/186:56 pm
ORD
-
GRK
1 stop4h 50m
American Airlines
Deal found 3/11$410
This American Airlines deal was found by Cheapflights users on 3/11. 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 5/217:21 pm
GRK
-
ORD
1 stop5h 21m
American Airlines
Tue 5/265:00 am
ORD
-
GRK
1 stop4h 34m
American Airlines
Deal found 3/11$427
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Thu 6/117:21 pm
GRK
-
ORD
1 stop5h 21m
American Airlines
Mon 6/155:00 am
ORD
-
GRK
1 stop4h 34m
American Airlines
Deal found 3/10$462
This American Airlines deal was found by Cheapflights users on 3/12. 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 3/276:33 pm
GRK
-
ORD
1 stop5h 03m
American Airlines
Tue 3/3110:49 am
ORD
-
GRK
1 stop7h 14m
American Airlines
Deal found 3/12$505
This American Airlines deal was found by Cheapflights users on 3/11. 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 5/217:21 pm
GRK
-
ORD
1 stop5h 21m
American Airlines
Mon 5/256:00 am
ORD
-
GRK
1 stop6h 13m
American Airlines
Deal found 3/11$527
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 3/1010:15 am
GRK
-
ORD
1 stop7h 30m
American Airlines
Thu 3/198:25 am
ORD
-
GRK
1 stop7h 04m
American Airlines
Deal found 3/10$594
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 3/1010:15 am
GRK
-
ORD
1 stop6h 40m
American Airlines
Sat 3/142:58 pm
ORD
-
GRK
1 stop7h 05m
American Airlines
Deal found 3/10$609
This American Airlines deal was found by Cheapflights users on 3/12. 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 3/146:33 pm
GRK
-
ORD
1 stop5h 03m
American Airlines
Tue 3/176:10 am
ORD
-
GRK
1 stop5h 21m
American Airlines
Deal found 3/12$613
This American Airlines deal was found by Cheapflights users on 3/12. 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 3/146:33 pm
GRK
-
ORD
1 stop5h 03m
American Airlines
Mon 3/162:58 pm
ORD
-
GRK
1 stop7h 05m
American Airlines
Deal found 3/12$621
This American Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 3/1012:01 pm
GRK
-
ORD
1 stop4h 54m
American Airlines
Tue 3/174:49 pm
ORD
-
GRK
1 stop5h 34m
American Airlines
Deal found 3/10$627

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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$360
(American Airlines)

One-way from

$216
(American Airlines)
Provider with most accurate pricing for Killeen Fort Hood Regional-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Chicago O'Hare Intl flights.
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From Killeen Fort Hood Regional to Chicago O'Hare Intl
Search Deals
One-way flight from Killeen Fort Hood Regional to Chicago O'Hare Intl
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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 March 13, 2026.
Use the filters below to find and compare flights from Killeen to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Thu 6/18

7:21 pm-12:42 am

1 stop5h 21m

Chicago O'Hare Intl

Sun 6/21

5:00 am-9:34 am

1 stop4h 34m

$360

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 4/10

3:54 pm-10:00 pm

1 stop6h 06m

Chicago O'Hare Intl

Mon 4/13

5:00 am-9:35 am

1 stop4h 35m

$394

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Sat 4/11

1:08 pm-7:57 pm

1 stop6h 49m

Chicago O'Hare Intl

Sat 4/18

6:56 pm-11:46 pm

1 stop4h 50m

$410

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Thu 5/21

7:21 pm-12:42 am

1 stop5h 21m

Chicago O'Hare Intl

Tue 5/26

5:00 am-9:34 am

1 stop4h 34m

$427

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Thu 6/11

7:21 pm-12:42 am

1 stop5h 21m

Chicago O'Hare Intl

Mon 6/15

5:00 am-9:34 am

1 stop4h 34m

$462

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Sat 3/28

6:33 pm-11:36 pm

1 stop5h 03m

Chicago O'Hare Intl

Wed 4/1

6:10 am-11:26 am

1 stop5h 16m

$505

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Fri 3/27

6:33 pm-11:36 pm

1 stop5h 03m

Chicago O'Hare Intl

Tue 3/31

10:49 am-6:03 pm

1 stop7h 14m

$505

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Thu 5/21

7:21 pm-12:42 am

1 stop5h 21m

Chicago O'Hare Intl

Mon 5/25

6:00 am-12:13 pm

1 stop6h 13m

$527

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Sat 6/13

6:44 am-1:21 pm

1 stop6h 37m

Chicago O'Hare Intl

Mon 6/15

6:00 am-12:13 pm

1 stop6h 13m

$621

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Mon 4/6

7:00 am-1:04 pm

1 stop6h 04m

Chicago O'Hare Intl

Mon 4/6

2:36 pm-10:03 pm

2 stops7h 27m

$925

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 16 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Killeen-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Killeen-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, January is the cheapest month in which you can book a flight from Killeen to Chicago O'Hare Intl Airport (average of $54). Flying from Killeen to Chicago O'Hare Intl Airport in May is currently the most expensive (average of $156). 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 March 13, 2026.
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
7.1
Good
11,448 reviews

Boarding

7.5

Crew

7.9

Comfort

7.2

Food

6.4

Overall

7.1

Entertainment

6.9

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
7.1
Good
11,448 reviews
American Airlines
7.1
Good
11,448 reviews

Boarding

7.5

Crew

7.9

Comfort

7.2

Food

6.4

Overall

7.1

Entertainment

6.9

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 5h 21m. 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, January is the cheapest month in which you can book a flight from Killeen to Chicago O'Hare Intl Airport (average of $54). Flying from Killeen to Chicago O'Hare Intl Airport in May is currently the most expensive (average of $156). 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
Naperville
Lake Geneva
Hoffman Estates
Delavan
Downers Grove
Des Plaines
Elgin
Elk Grove Village
Skokie
Oak Brook
South Holland
Beloit
Libertyville
Waukegan
Warrenville
Bridgeview
Oakbrook Terrace

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$317Average$603FlexibilityNo cancel feeOn-time71%

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