How does KAYAK find such low prices on flights from Illinois to Houston?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Houston. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Houston?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Houston?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Houston with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Houston?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Houston from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$29 CHEAP FLIGHTS from Illinois to Houston

KAYAK searches hundreds of travel sites at once for deals on flights to Houston

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Flights Deals

Cheap Flights from Illinois to Houston

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Houston that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Houston

Wed, Aug 27 - Wed, Sep 3

8:47 pm - 11:29 pmORD-IAH

2h 42mnonstop

5:02 pm - 7:42 pmIAH-ORD

2h 40mnonstop

$54Spirit Airlines

Find Deal

Thu, Sep 18 - Mon, Sep 22

8:56 pm - 11:45 pmORD-IAH

2h 49mnonstop

5:05 pm - 7:50 pmIAH-ORD

2h 45mnonstop

$58Spirit Airlines

Find Deal

Fri, Oct 3 - Sun, Oct 5

4:03 pm - 7:10 pmORD-IAH

3h 07mnonstop

8:00 pm - 10:45 pmIAH-ORD

2h 45mnonstop

$75Frontier

Find Deal

Thu, Aug 21 - Mon, Aug 25

8:15 am - 11:06 amMDW-IAH

2h 51mnonstop

11:36 am - 2:10 pmIAH-MDW

2h 34mnonstop

$93Frontier

Find Deal

Wed, Aug 20 - Sun, Aug 24

8:47 pm - 11:29 pmORD-IAH

2h 42mnonstop

8:46 pm - 11:37 pmIAH-ORD

2h 51mnonstop

$95

Find Deal

Mon, Aug 18 - Sat, Aug 23

6:30 am - 9:20 amORD-IAH

2h 50mnonstop

5:02 pm - 7:42 pmIAH-ORD

2h 40mnonstop

$96

Find Deal

Wed, Oct 8 - Tue, Oct 14

6:40 pm - 9:15 pmMDW-HOU

2h 35mnonstop

6:50 pm - 9:20 pmHOU-MDW

2h 30mnonstop

$157Southwest

Find Deal

Wed, Sep 17 - Fri, Sep 19

9:10 am - 11:45 amMDW-HOU

2h 35mnonstop

9:45 pm - 12:05 amHOU-MDW

2h 20mnonstop

$177Southwest

Find Deal

Sat, Sep 20 - Tue, Sep 23

10:54 am - 6:10 pmMLI-HOU

7h 16m1 stop

2:33 pm - 9:32 pmHOU-MLI

6h 59m1 stop

$203American Airlines

Find Deal

Sat, Sep 20 - Tue, Sep 23

10:54 am - 5:01 pmMLI-IAH

6h 07m1 stop

1:23 pm - 8:17 pmIAH-MLI

6h 54m1 stop

$203American Airlines

Find Deal

Useful Info

Cheapest flight	$29

Flight from Chicago O'Hare Airport to Houston George Bush Airport

How does KAYAK find such low prices on flights from Illinois to Houston?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Houston.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Houston?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Houston?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Houston with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Houston?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Houston from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Houston

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Illinois

First Class flights to Houston

Business Class flights to Houston

Prem Econ Class flights to Houston

Economy Class flights to Houston

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$29 Find Cheap Flights from Illinois to Houston

KAYAK searches hundreds of travel sites at once for deals on flights to Houston

Cheap Flights from Illinois to Houston

Recent round-trip flight deals from Illinois to Houston

Recent one-way flight deals from Illinois to Houston

Recent last minute flight deals from Illinois to Houston

Recent direct flight deals from Illinois to Houston

Good to know

FAQs for booking flights from Illinois to Houston

How does KAYAK find such low prices on flights from Illinois to Houston?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Houston.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Houston?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Houston?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Houston with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Houston?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Houston from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Houston

Cabin class types available on flights to Illinois

Complete your trip to Houston with a hotel stay or car rental

Find direct flights for Houston

Flights to other popular destinations

Flights from domestic origins to Houston

Choose which airport to fly into in Houston

Find deals for your return flight