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O'Hare Intl

$155+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — ORD
May 24 — May 311
Sun 5/24
Sun 5/31
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 April 24, 2026.

This American Airlines deal was found by Cheapflights users on 4/20. 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 5/237:59 pm
GRK
-
ORD
1 stop4h 43m
American Airlines
Sat 5/304:44 pm
ORD
-
GRK
1 stop6h 00m
American Airlines
Deal found 4/20$261
This American Airlines deal was found by Cheapflights users on 4/20. 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 6/137:52 pm
GRK
-
ORD
1 stop4h 47m
American Airlines
Tue 6/307:02 am
ORD
-
GRK
1 stop7h 35m
American Airlines
Deal found 4/20$276
This American Airlines deal was found by Cheapflights users on 4/20. 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.
Sun 5/35:00 am
GRK
-
ORD
1 stop4h 39m
American Airlines
Sat 5/95:00 am
ORD
-
GRK
1 stop4h 35m
American Airlines
Deal found 4/20$309
This American Airlines deal was found by Cheapflights users on 4/24. 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 4/297:09 pm
GRK
-
ORD
1 stop4h 39m
American Airlines
Wed 5/65:00 am
ORD
-
GRK
1 stop4h 35m
American Airlines
Deal found 4/24$349
This American Airlines deal was found by Cheapflights users on 4/21. 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 7/77:21 pm
GRK
-
ORD
1 stop5h 10m
American Airlines
Sat 7/116:32 pm
ORD
-
GRK
1 stop5h 07m
American Airlines
Deal found 4/21$366
This American Airlines deal was found by Cheapflights users on 4/21. 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 7/97:21 pm
GRK
-
ORD
1 stop5h 10m
American Airlines
Sat 7/116:32 pm
ORD
-
GRK
1 stop5h 07m
American Airlines
Deal found 4/21$381
This American Airlines deal was found by Cheapflights users on 4/23. 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 4/237:09 pm
GRK
-
ORD
1 stop4h 39m
American Airlines
Mon 4/275:00 am
ORD
-
GRK
1 stop6h 21m
American Airlines
Deal found 4/23$389
This American Airlines deal was found by Cheapflights users on 4/20. 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 4/2111:58 am
GRK
-
ORD
1 stop5h 46m
American Airlines
Thu 4/305:00 am
ORD
-
GRK
1 stop4h 35m
American Airlines
Deal found 4/20$399
This American Airlines deal was found by Cheapflights users on 4/21. 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 7/77:21 pm
GRK
-
ORD
1 stop5h 10m
American Airlines
Sun 7/125:00 am
ORD
-
GRK
1 stop4h 36m
American Airlines
Deal found 4/21$441
This American Airlines deal was found by Cheapflights users on 4/21. 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 7/97:21 pm
GRK
-
ORD
1 stop5h 10m
American Airlines
Sun 7/125:00 am
ORD
-
GRK
1 stop4h 36m
American Airlines
Deal found 4/21$456
This American Airlines deal was found by Cheapflights users on 4/21. 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 7/77:21 pm
GRK
-
ORD
1 stop5h 10m
American Airlines
Mon 7/136:04 am
ORD
-
GRK
1 stop6h 09m
American Airlines
Deal found 4/21$490
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Mon 7/207:21 pm
GRK
-
ORD
1 stop5h 10m
American Airlines
Mon 7/275:00 am
ORD
-
GRK
1 stop4h 36m
American Airlines
Deal found 4/22$500

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 April 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(American Airlines)

One-way from

$155
(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 April 24, 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

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Sat 5/23

7:59 pm-12:42 am

1 stop4h 43m

Chicago O'Hare Intl

Sat 5/30

4:44 pm-10:44 pm

1 stop6h 00m

$261

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Wed 6/3

7:52 pm-12:42 am

1 stop4h 50m

Chicago O'Hare Intl

Tue 6/9

4:44 pm-11:38 pm

1 stop6h 54m

$261

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Sat 6/13

7:52 pm-12:39 am

1 stop4h 47m

Chicago O'Hare Intl

Tue 6/30

7:02 am-2:37 pm

1 stop7h 35m

$276
Quickest round-trip

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Wed 5/6

5:00 am-9:39 am

1 stop4h 39m

Chicago O'Hare Intl

Sat 5/9

5:00 am-9:35 am

1 stop4h 35m

$309

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Tue 5/5

3:54 pm-10:45 pm

1 stop6h 51m

Chicago O'Hare Intl

Fri 5/8

5:00 am-9:35 am

1 stop4h 35m

$309

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Tue 7/7

7:21 pm-12:31 am

1 stop5h 10m

Chicago O'Hare Intl

Sat 7/11

6:32 pm-11:39 pm

1 stop5h 07m

$366

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Wed 7/8

7:56 pm-12:31 am

1 stop4h 35m

Chicago O'Hare Intl

Sat 7/11

6:32 pm-11:39 pm

1 stop5h 07m

$366

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Thu 7/9

7:21 pm-12:31 am

1 stop5h 10m

Chicago O'Hare Intl

Sat 7/11

6:32 pm-11:39 pm

1 stop5h 07m

$381

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Tue 7/7

7:21 pm-12:31 am

1 stop5h 10m

Chicago O'Hare Intl

Mon 7/13

6:04 am-12:13 pm

1 stop6h 09m

$490

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

Wed 7/8

7:56 pm-12:31 am

1 stop4h 35m

Chicago O'Hare Intl

Mon 7/13

6:04 am-12:13 pm

1 stop6h 09m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 12 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.

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 0 airlines have 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 43m. 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.

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
Rosemont
Schaumburg
Naperville
Gurnee
Lake Geneva
Delavan
Hoffman Estates
Downers Grove
Oakbrook Terrace
Benton Harbor
Des Plaines
Oak Brook
South Holland
Libertyville
Elgin
Warrenville
Elk Grove Village
Bridgeview
Great Lakes
Lansing

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