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>

$44 CHEAP FLIGHTS from Illinois to Houston

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

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$85

Overall average: $217

Frontier

Thu 1/8Thu 1/15

ORD - IAH • Non-stop

Cheapest non-stop

$87

Typical prices: $118-$227

Frontier

Fri 2/20Sun 2/22

MDW - 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

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

Thu, Jan 8 - Thu, Jan 15

8:35 am - 11:41 am

ORD

IAH

3h 06mnonstop

6:00 am - 12:08 pm

IAH

ORD

6h 08m1 stop

$85Frontier

Wed, Jan 7 - Mon, Jan 12

9:09 pm - 11:59 pm

ORD

IAH

2h 50mnonstop

6:05 am - 11:35 am

IAH

ORD

5h 30m1 stop

$86Multiple Airlines

Fri, Feb 20 - Sun, Feb 22

3:00 pm - 6:06 pm

MDW

IAH

3h 06mnonstop

6:51 pm - 9:29 pm

IAH

MDW

2h 38mnonstop

$87Frontier

Tue, Jan 6 - Mon, Jan 12

9:09 pm - 11:59 pm

ORD

IAH

2h 50mnonstop

6:05 am - 11:35 am

IAH

ORD

5h 30m1 stop

$87Multiple Airlines

Fri, Feb 20 - Sun, Feb 22

3:00 pm - 6:06 pm

MDW

IAH

3h 06mnonstop

6:51 pm - 9:29 pm

IAH

MDW

2h 38mnonstop

$88Frontier

Mon, Jan 5 - Mon, Jan 12

9:09 pm - 11:59 pm

ORD

IAH

2h 50mnonstop

11:38 am - 2:17 pm

IAH

ORD

2h 39mnonstop

$94Spirit Airlines

Sat, Feb 21 - Wed, Mar 4

5:00 am - 8:00 am

MDW

HOU

3h 00mnonstop

6:40 am - 9:05 am

HOU

MDW

2h 25mnonstop

$157Southwest

Wed, Jan 14 - Thu, Jan 15

3:30 pm - 6:20 pm

MDW

HOU

2h 50mnonstop

5:00 am - 7:25 am

HOU

MDW

2h 25mnonstop

$177Southwest

Sat, Jan 17 - Tue, Jan 20

5:06 pm - 11:56 pm

MLI

IAH

6h 50m1 stop

9:54 am - 4:26 pm

IAH

MLI

6h 32m1 stop

$197Delta

Wed, Feb 4 - Wed, Feb 11

9:55 am - 4:10 pm

ORD

HOU

6h 15m1 stop

5:04 pm - 11:56 pm

HOU

ORD

6h 52m1 stop

$197Delta

Useful Info

Cheapest flight	$44

Flight from Chicago Midway 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

$44 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