$222+ Cheap flights from Killeen (GRK) to Chicago (CHI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — CHI
Nov 2 — Nov 91
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
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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 October 3, 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 October 3, 2026.
This American Airlines deal was found by Cheapflights users on 9/30. 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 11/195:00 am -
1 stop5h 04m
Sun 11/226:05 am -
1 stop5h 54m
Deal found 9/30![American Airlines logo]()
$430
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/47:15 pm -
1 stop4h 59m
Wed 10/76:00 am -
1 stop5h 58m
Deal found 9/29![American Airlines logo]()
$480
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/225:00 am -
1 stop6h 09m
Sun 10/255:00 am -
1 stop6h 58m
Deal found 9/29![American Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 10/1. 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 10/3110:00 am -
1 stop5h 19m
Sat 11/76:00 am -
1 stop5h 55m
Deal found 10/1![American Airlines logo]()
$507
This American Airlines deal was found by Cheapflights users on 9/30. 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 10/17:15 pm -
1 stop4h 59m
Mon 10/55:30 am -
1 stop6h 28m
Deal found 9/30![American Airlines logo]()
$517
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/57:02 pm -
1 stop4h 57m
Wed 10/76:55 am -
1 stop5h 03m
Deal found 9/29![American Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/47:15 pm -
1 stop4h 59m
Thu 10/86:00 am -
1 stop5h 58m
Deal found 9/29![American Airlines logo]()
$810
This American Airlines deal was found by Cheapflights users on 10/2. 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 10/237:00 am -
1 stop5h 08m
Mon 10/265:25 pm -
2 stops6h 11m
Deal found 10/2![American Airlines logo]()
$1,006
This American Airlines deal was found by Cheapflights users on 9/28. 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 10/24:09 pm -
1 stop5h 00m
Sun 10/48:11 am -
2 stops6h 23m
Deal found 9/28![American Airlines logo]()
$1,140
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 October 3, 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 October 3, 2026.
This American Airlines deal was found by Cheapflights users on 9/30. 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 11/195:00 am -
1 stop5h 04m
Sun 11/226:05 am -
1 stop5h 54m
Deal found 9/30![American Airlines logo]()
$430
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/225:00 am -
1 stop6h 09m
Sun 10/255:00 am -
1 stop6h 58m
Deal found 9/29![American Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 10/2. 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 10/2312:28 pm -
1 stop6h 48m
Mon 10/266:02 pm -
1 stop5h 34m
Deal found 10/2![American Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 10/1. 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 10/3110:00 am -
1 stop5h 19m
Sat 11/76:00 am -
1 stop5h 55m
Deal found 10/1![American Airlines logo]()
$507
Last-minute flights from Killeen to ChicagoDiscover last-minute flight deals from Killeen to Chicago. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute flight deals from Killeen to Chicago. Data last updated October 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/28. 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 10/212:47 pm -
1 stop7h 43m
Sun 10/45:00 am -
1 stop7h 17m
Deal found 9/28![American Airlines logo]()
$517
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/47:15 pm -
1 stop4h 59m
Wed 10/76:00 am -
1 stop5h 58m
Deal found 9/29![American Airlines logo]()
$480
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/47:15 pm -
1 stop4h 59m
Thu 10/86:00 am -
1 stop5h 58m
Deal found 9/29![American Airlines logo]()
$810
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/57:02 pm -
1 stop4h 57m
Wed 10/76:55 am -
1 stop5h 03m
Deal found 9/29![American Airlines logo]()
$580
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/225:00 am -
1 stop6h 09m
Sun 10/255:00 am -
1 stop6h 58m
Deal found 9/29![American Airlines logo]()
$481
This American Airlines deal was found by Cheapflights users on 10/2. 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 10/237:00 am -
1 stop5h 08m
Mon 10/265:25 pm -
2 stops6h 11m
Deal found 10/2![American Airlines logo]()
$1,006
This American Airlines deal was found by Cheapflights users on 10/1. 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 10/3110:00 am -
1 stop5h 19m
Sat 11/76:00 am -
1 stop5h 55m
Deal found 10/1![American Airlines logo]()
$507
This American Airlines deal was found by Cheapflights users on 9/30. 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 11/195:00 am -
1 stop5h 04m
Sun 11/226:05 am -
1 stop5h 54m
Deal found 9/30![American Airlines logo]()
$430
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 October 3, 2026.
Search for one-way flight options from Killeen to Chicago. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
This American Airlines deal was found by Cheapflights users on 9/30. 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 10/203:16 pm -
1 stop5h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![American Airlines logo]()
$222
This American Airlines deal was found by Cheapflights users on 10/3. 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 10/193:16 pm -
1 stop7h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![American Airlines logo]()
$259
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Thu 10/87:00 am -
1 stop5h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![American Airlines logo]()
$541
This Qatar Airways deal was found by Cheapflights users on 9/30. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:14 pm -
2 stops47h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Qatar Airways logo]()
$1,818
This Qatar Airways deal was found by Cheapflights users on 10/2. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:07 pm -
2 stops47h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Qatar Airways logo]()
$10,392
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 October 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $430 (American Airlines) |
One-way from | $222 (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 October 3, 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
Tue 10/20
3:16 pm-8:38 pm
1 stop5h 22m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$222
KilleenChicago
GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl
GRKORD
Killeen Fort Hood Regional
Mon 10/19
3:16 pm-11:00 pm
1 stop7h 44m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$259
KilleenChicago
GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl
GRKORD
Killeen Fort Hood Regional
Thu 11/19
5:00 am-10:04 am
1 stop5h 04m
Chicago O'Hare Intl
Sun 11/22
6:05 am-11:59 am
1 stop5h 54m
$430
KilleenChicago
GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl
GRKORD
Killeen Fort Hood Regional
Thu 10/22
5:00 am-11:09 am
1 stop6h 09m
Chicago O'Hare Intl
Sun 10/25
5:00 am-11:58 am
1 stop6h 58m
$481
KilleenChicago
GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl
GRKORD
Killeen Fort Hood Regional
Fri 10/23
12:28 pm-7:16 pm
1 stop6h 48m
Chicago O'Hare Intl
Mon 10/26
6:02 pm-11:36 pm
1 stop5h 34m
$481
KilleenChicago
GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl
GRKORD
Killeen Fort Hood Regional
Sat 10/31
10:00 am-3:19 pm
1 stop5h 19m
Chicago O'Hare Intl
Sat 11/7
6:00 am-11:55 am
1 stop5h 55m
$507
Quickest round-trip
KilleenChicago
GRK Killeen Fort Hood Regional - ORD Chicago O'Hare Intl
GRKORD
Killeen Fort Hood Regional
Thu 10/8
7:00 am-12:08 pm
1 stop5h 08m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$541
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 October.
| 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
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.
Traveling to a place near Chicago?
Book flights to Chicago if you plan to visit one of these locationsBenton Harbor
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