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>

$52 CHEAP FLIGHTS from Illinois to Houston

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

...and more

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Cheapest round-trip

$83

Overall average: $244

Frontier

Wed 4/29Tue 5/5

ORD - IAH • Non-stop

Cheapest non-stop

$83

Typical prices: $127-$435

Multiple Airlines

Fri 2/20Sun 2/22

ORD - IAH • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Houston!

Flight Deals

Cheap Flights from Illinois to Houston

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, Apr 29 - Tue, May 5

8:25 am - 11:32 am

ORD

IAH

3h 07mnonstop

12:27 pm - 3:17 pm

IAH

ORD

2h 50mnonstop

$83Frontier

Mon, Mar 16 - Sat, Mar 21

5:15 am - 8:31 am

ORD

IAH

3h 16mnonstop

4:51 pm - 7:45 pm

IAH

ORD

2h 54mnonstop

$84Frontier

Sat, Feb 28 - Tue, Mar 3

8:05 am - 11:29 am

ORD

IAH

3h 24mnonstop

4:22 pm - 11:47 pm

IAH

ORD

7h 25m

1 stop

$86Multiple Airlines

Sat, Feb 28 - Sun, Mar 1

8:59 am - 12:00 pm

ORD

IAH

3h 01mnonstop

5:15 am - 7:54 am

IAH

ORD

2h 39mnonstop

$87Spirit Airlines

Thu, Feb 19 - Sun, Feb 22

7:00 am - 10:22 am

ORD

IAH

3h 22mnonstop

5:15 am - 7:54 am

IAH

ORD

2h 39mnonstop

$88Multiple Airlines

Tue, Mar 17 - Tue, Mar 24

9:45 am - 12:41 pm

ORD

IAH

2h 56mnonstop

6:14 am - 8:50 am

IAH

ORD

2h 36mnonstop

$91Spirit Airlines

Sat, Mar 7 - Tue, Mar 10

9:40 pm - 12:25 am

MDW

HOU

2h 45mnonstop

9:30 pm - 11:55 pm

HOU

MDW

2h 25mnonstop

$157Southwest

Sat, Mar 7 - Sat, Mar 14

9:40 pm - 12:25 am

MDW

HOU

2h 45mnonstop

5:15 am - 7:35 am

HOU

MDW

2h 20mnonstop

$174Southwest

Mon, Mar 2 - Wed, Mar 11

9:48 am - 4:28 pm

ORD

HOU

6h 40m

1 stop

5:22 pm - 11:54 pm

HOU

ORD

6h 32m

1 stop

$207Delta

Mon, Mar 9 - Wed, Mar 11

10:45 am - 4:36 pm

MDW

HOU

5h 51m

1 stop

5:22 pm - 10:31 pm

HOU

MDW

5h 09m

1 stop

$207Delta

Useful Info

Cheapest flight	$52

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

Premium Economy Class flights to Houston

Economy Class flights to Houston

$52 Find Cheap Flights from Illinois to Houston

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

Everything you should know

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