What is the cheapest day to fly from Killeen to Chicago?

Travelers seeking maximum savings on their Killeen to Chicago flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

If weather is an important factor for your trip to Chicago, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest time of day to fly from GRK to CHI?

One of the essential ways to save on airfare from Killeen to Chicago is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 25% on airfare.

What airport do you fly from for flights from Killeen to Chicago?

Most people fly from Killeen Fort Hood Regional (GRK) if they book a flight from Killeen to Chicago. On average, Fort Hood Regional has 0 outbound flights to Chicago per day from 1 airline. Killeen Fort Hood Regional is conveniently located just 6.9 mi from Killeen’s city center.

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

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

How can I find direct flights from Killeen to Chicago?

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

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

Yes. Cheapflights offers flight deals from Killeen to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$184+ Flights from Killeen to Chicago

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Cheap flight deals from Killeen to Chicago

Round-trip from	$367 (American Airlines)
One-way from	$184 (American Airlines)

From Killeen Fort Hood Regional to Chicago (CHI)

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One-way flight from Killeen Fort Hood Regional to Chicago (CHI)

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Cheapest flights from Killeen to Chicago
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 julio 1, 2025.

mar. 8/512:37 pmGRK - ORD

1 stop7h 08mAmerican Airlines

mar. 8/262:55 pmORD - GRK

1 stop7h 15mAmerican Airlines

Deal found 6/29

$367

Best flights from Killeen to Chicago
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 julio 1, 2025.

mar. 8/512:37 pmGRK - ORD

1 stop7h 08mAmerican Airlines

mar. 8/262:55 pmORD - GRK

1 stop7h 15mAmerican Airlines

Deal found 6/29

$367

Last-minute flights from Killeen to Chicago
Discover last-minute flight deals from Killeen to Chicago. Data last updated julio 1, 2025 and is based on user searches.

mar. 8/512:37 pmGRK - ORD

1 stop7h 08mAmerican Airlines

mar. 8/262:55 pmORD - GRK

1 stop7h 15mAmerican Airlines

Deal found 6/29

$367

One-way flights from Killeen to Chicago
Search for one-way flight options from Killeen to Chicago. Find affordable one-way fares based on user searches. Data last updated julio 1, 2025.

mié. 8/2012:11 pmGRK - ORD

1 stop4h 59mAmerican Airlines

Deal found 6/29

$184

Cheapflights Fare Finder

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

Price

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

mar. 8/5

12:37 pm-7:45 pm

1 stop7h 08m

Chicago O'Hare Intl

mar. 8/26

2:55 pm-10:10 pm

1 stop7h 15m

$367

KilleenChicago

GRK - ORD

GRKORD

Killeen Fort Hood Regional

mié. 8/20

12:11 pm-5:10 pm

1 stop4h 59m

$184

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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.

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

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

Currently, August is the cheapest month in which you can book a flight from Killeen to Chicago (average of $245). Flying from Killeen to Chicago in March is currently the most expensive (average of $321). 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 Chicago

Read through reviews of airlines operating flights from Killeen to Chicago, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

6.0

Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

American Airlines

7.2

Good

10,000 reviews

American Airlines

7.2

Good

10,000 reviews

Reviews

1 / 20

6.0

Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

Related info for your journey

What airport do you fly from for flights from Killeen to Chicago?
Most people fly from Killeen Fort Hood Regional (GRK) if they book a flight from Killeen to Chicago. On average, Fort Hood Regional has 0 outbound flights to Chicago per day from 1 airline. Killeen Fort Hood Regional is conveniently located just 6.9 mi from Killeen’s city center.
Can I find deals for flights from Killeen to Chicago that include hotel bookings?
Yes. In addition to deals on Killeen to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Killeen to Chicago?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Killeen to Chicago.
Can I find deals for business class flights from Killeen to Chicago?
Yes. Cheapflights offers flight deals from Killeen to Chicago 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?
Currently, August is the cheapest month in which you can book a flight from Killeen to Chicago (average of $245). Flying from Killeen to Chicago in March is currently the most expensive (average of $321). 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

Merrillville

Lansing

Benton Harbor

Porter

Hammond

Valparaiso

Chesterton

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Top airline flying from Killeen to Chicago

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$326	Average$462	FlexibilityNo cancel fee	On-time71%

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$184+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Killeen to Chicago with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Killeen to Chicago

Round-trip from

One-way from

Find flight deals from Killeen to Chicago

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 julio 1, 2025.

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 julio 1, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Killeen to Chicago that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Killeen to Chicago

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

Reviews of airlines servicing Chicago

Read through reviews of airlines operating flights from Killeen to Chicago, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.

What airport do you fly from for flights from Killeen to Chicago?

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

How can I find direct flights from Killeen to Chicago?

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

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

Traveling to a place near Killeen?

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Alternative routes for Killeen to Chicago

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Killeen to Chicago

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Book with Flexibility

Travel Smart

Cheapest flights from Killeen to Chicago
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 julio 1, 2025.