$252+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — CHI
Sep 30 — Oct 71
Round-trip
1 adult, Economy
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Find cheap flights from Killeen to Chicago with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Killeen to Chicago
Cheapest
Best
Last-minute
One-way
Cheapest flights from Killeen to ChicagoExplore 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 August 31, 2026.
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 August 31, 2026.
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Tue 9/15:00 am -
1 stop7h 15m
Fri 9/48:20 am -
1 stop6h 15m
Deal found 8/30![American Airlines logo]()
$460
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Sat 9/57:00 am -
1 stop6h 28m
Mon 9/75:00 am -
1 stop4h 29m
Deal found 8/27![American Airlines logo]()
$623
This American Airlines deal was found by Cheapflights users on 8/28. 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 9/43:05 pm -
1 stop6h 11m
Mon 9/76:00 am -
1 stop6h 07m
Deal found 8/28![American Airlines logo]()
$701
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Wed 9/95:00 am -
2 stops6h 10m
Fri 9/1111:00 am -
1 stop4h 34m
Deal found 8/30![American Airlines logo]()
$904
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Fri 9/114:09 pm -
1 stop5h 00m
Tue 9/152:55 pm -
2 stops6h 08m
Deal found 8/27![American Airlines logo]()
$960
Best flights from Killeen to ChicagoDiscover carefully curated flight deals from Killeen to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
Discover carefully curated flight deals from Killeen to Chicago that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Fri 9/114:09 pm -
1 stop5h 55m
Tue 9/151:46 pm -
1 stop4h 59m
Deal found 8/27![American Airlines logo]()
$460
This American Airlines deal was found by Cheapflights users on 8/29. 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 2/910:00 am -
1 stop6h 16m
Sun 2/1412:11 pm -
1 stop6h 01m
Deal found 8/29![American Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 8/29. 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.
Mon 2/84:40 pm -
1 stop7h 19m
Sun 2/146:00 am -
1 stop5h 56m
Deal found 8/29![American Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 8/29. 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.
Thu 2/116:43 pm -
1 stop5h 16m
Mon 2/156:02 pm -
1 stop5h 35m
Deal found 8/29![American Airlines logo]()
$625
This American Airlines deal was found by Cheapflights users on 8/29. 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.
Mon 2/84:40 pm -
1 stop6h 20m
Mon 2/151:46 pm -
1 stop4h 26m
Deal found 8/29![American Airlines logo]()
$625
This American Airlines deal was found by Cheapflights users on 8/29. 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.
Sun 2/75:00 am -
1 stop6h 09m
Mon 2/151:46 pm -
1 stop4h 26m
Deal found 8/29![American Airlines logo]()
$648
This American Airlines deal was found by Cheapflights users on 8/29. 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.
Sun 2/74:40 pm -
1 stop7h 19m
Thu 2/116:59 am -
1 stop4h 57m
Deal found 8/29![American Airlines logo]()
$787
Last-minute flights from Killeen to ChicagoDiscover last-minute flight deals from Killeen to Chicago. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to Chicago. Data last updated August 31, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Tue 9/15:00 am -
1 stop7h 15m
Fri 9/48:20 am -
1 stop6h 15m
Deal found 8/30![American Airlines logo]()
$460
This American Airlines deal was found by Cheapflights users on 8/28. 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 9/43:05 pm -
1 stop6h 11m
Mon 9/76:00 am -
1 stop6h 07m
Deal found 8/28![American Airlines logo]()
$701
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Sat 9/57:00 am -
1 stop6h 28m
Mon 9/75:00 am -
1 stop4h 29m
Deal found 8/27![American Airlines logo]()
$623
This American Airlines deal was found by Cheapflights users on 8/30. 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.
Wed 9/95:00 am -
2 stops6h 10m
Fri 9/1111:00 am -
1 stop4h 34m
Deal found 8/30![American Airlines logo]()
$904
This American Airlines deal was found by Cheapflights users on 8/27. 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.
Fri 9/114:09 pm -
1 stop5h 00m
Tue 9/152:55 pm -
2 stops6h 08m
Deal found 8/27![American Airlines logo]()
$960
One-way flights from Killeen to ChicagoSearch for one-way flight options from Killeen to Chicago. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
Search for one-way flight options from Killeen to Chicago. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This American Airlines deal was found by Cheapflights users on 8/28. 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 9/512:37 pm -
1 stop7h 05m
Deal found 8/28![American Airlines logo]()
$252
Find 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 August 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $460 (American Airlines) |
One-way from | $252 (American Airlines) |
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 7,457,451 searches. Data last updated August 31, 2026.
Use the filters below to find and compare flights from Killeen to Chicago that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KilleenChicago
GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl
GRKORD
Killeen Fort Hood Regional
Fri 9/11
4:09 pm-10:04 pm
1 stop5h 55m
Chicago O'Hare Intl
Tue 9/15
1:46 pm-6:45 pm
1 stop4h 59m
$460
KilleenChicago
GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl
GRKORD
Killeen Fort Hood Regional
Tue 2/9
10:00 am-4:16 pm
1 stop6h 16m
Chicago O'Hare Intl
Sun 2/14
12:11 pm-6:12 pm
1 stop6h 01m
$490
KilleenChicago
GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl
GRKORD
Killeen Fort Hood Regional
Mon 2/8
4:40 pm-11:59 pm
1 stop7h 19m
Chicago O'Hare Intl
Sun 2/14
6:00 am-11:56 am
1 stop5h 56m
$490
KilleenChicago
GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl
GRKORD
Killeen Fort Hood Regional
Thu 2/11
6:43 pm-11:59 pm
1 stop5h 16m
Chicago O'Hare Intl
Mon 2/15
6:02 pm-11:37 pm
1 stop5h 35m
$625
KilleenChicago
GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl
GRKORD
Killeen Fort Hood Regional
Mon 2/8
4:40 pm-11:00 pm
1 stop6h 20m
Chicago O'Hare Intl
Mon 2/15
1:46 pm-6:12 pm
1 stop4h 26m
$625
Quickest round-trip
KilleenChicago
GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl
GRKORD
Killeen Fort Hood Regional
Sun 2/7
5:00 am-11:09 am
1 stop6h 09m
Chicago O'Hare Intl
Mon 2/15
1:46 pm-6:12 pm
1 stop4h 26m
$648
KilleenChicago
GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl
GRKORD
Killeen Fort Hood Regional
Sun 2/7
4:40 pm-11:59 pm
1 stop7h 19m
Chicago O'Hare Intl
Thu 2/11
6:59 am-11:56 am
1 stop4h 57m
$787
Cheapest one-way
Quickest one-way
KilleenChicago
GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl
GRKORD
Killeen Fort Hood Regional
Sat 9/5
12:37 pm-7:42 pm
1 stop7h 05m
$252
Sorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Killeen-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Killeen-Chicago flight deals on Cheapflights vs. FlightHub >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 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 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.
GRK-CHI
GRK-ORD
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
GRK-CHI
GRK-ORD
No data available for this route at this time. Please check back soon.
Related info for your journey
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Traveling to a place near Chicago?
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