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Killeen

$209+ Cheap flights from Illinois to Killeen (GRK)

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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GRK
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Illinois to Killeen

Keep the following information in mind while searching for Illinois to Killeen flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$358
(American Airlines)

One-way from

$209
(American Airlines)
Provider with most accurate pricing for Chicago (CHI)-Killeen Fort Hood Regional flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Killeen Fort Hood Regional flights.
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From Illinois to Killeen Fort Hood Regional
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One-way flight from Illinois to Killeen Fort Hood Regional
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Find flight deals from Illinois to Killeen

Cheapest flights from Illinois to Killeen
Explore the most affordable flight options available from Illinois to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This American Airlines deal was found by Cheapflights users on 3/30. 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 5/141:58 pmORD - GRK
1 stop6h 15mAmerican Airlines
Wed 5/216:20 amGRK - ORD
1 stop7h 02mAmerican Airlines
Deal found 3/30$358

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Killeen 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 31, 2025.
Use the filters below to find and compare flights from Illinois to Killeen that are best for you.

Fly from

Illinois

Fly to

Killeen

Route

Depart

Return

Price

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Wed 5/14

1:58 pm-8:13 pm

1 stop6h 15m

Killeen Fort Hood Regional

Wed 5/21

6:20 am-1:22 pm

1 stop7h 02m

$358

ChicagoKilleen

ORD - GRK

ORDGRK

Chicago O'Hare Intl

Thu 5/15

6:00 am-12:02 pm

1 stop6h 02m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Best time to book a flight from Illinois to Killeen

Have a flexible travel schedule? Discover the best time to fly to Killeen from Illinois 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 Illinois to Killeen

What is the cheapest month to book a flight from Illinois to Killeen?

Currently, January is the cheapest month in which you can book a flight from Illinois to Killeen (average of $316). Flying from Illinois to Killeen in June is currently the most expensive (average of $475). 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.

Rainfall in Killeen by month

Plan your trip to Killeen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Killeen ranges from 1.5 - 4.4 inches per month. October is typically the wettest month, when rainfall can reach 4.4 in. March is typically the driest time to visit Killeen when rainfall is around 1.5 in.

Temperature in Killeen by month

Plan your trip to Killeen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Killeen, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Killeen

Get insights into the airlines that provide service to Killeen. 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 Killeen. Reviews last updated March 31, 2025.
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Comfort

7.2

Food

6.5

Boarding

7.5

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Comfort

7.2

Food

6.5

Boarding

7.5

Crew

8.0

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Killeen. 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 into for flights to Killeen from Illinois?

    Most people fly into Killeen Fort Hood Regional (GRK) if they book a flight to Killeen from Illinois. Fort Hood Regional is conveniently located just 6.9 mi from Killeen’s city center.

  • What are the most popular routes from Illinois to Killeen?

    While some choose either Lambert-St Louis - Killeen Fort Hood Regional or Moline Quad-City - Killeen Fort Hood Regional, Chicago O'Hare Intl - Killeen Fort Hood Regional is the most popular route from Illinois to Killeen.

  • Can I find deals for flights from Illinois to Killeen that include hotel bookings?

    Yes. In addition to deals on Illinois to Killeen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Killeen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Killeen.

  • Can I find deals for business class flights from Illinois to Killeen?

    Yes. Cheapflights offers flight deals from Illinois to Killeen 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 Illinois to Killeen?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Killeen (average of $316). Flying from Illinois to Killeen in June is currently the most expensive (average of $475). 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 Illinois?

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Temple
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Alternative routes for Illinois to Killeen

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Top airline flying from Illinois to Killeen

Discover the top airline that operate flights from Illinois to Killeen. 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$448FlexibilityNo cancel feeOn-time71%
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