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

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 George Bush Airport.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston George Bush Airport 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 George Bush Airport?

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 George Bush Airport 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 George Bush Airport?

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 George Bush Airport from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$91 CHEAP FLIGHTS from Illinois to Houston G. Bush Airport (IAH)

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Flight Deals

Cheap Flights from Illinois to George Bush Intcntl

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 George Bush Intcntl

Sat, Nov 14 - Tue, Nov 17

7:20 pm - 7:23 amORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

12h 03m1 stop Atlanta Hartsfield-Jackson

6:05 am - 12:51 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

6h 46m1 stop Atlanta Hartsfield-Jackson

$147Frontier

Wed, Oct 28 - Wed, Nov 4

2:11 pm - 5:21 pmORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

3h 10mnonstop

8:21 pm - 8:56 amIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

12h 35m1 stop Atlanta Hartsfield-Jackson

$148Frontier

Wed, Oct 21 - Wed, Oct 28

6:00 am - 3:27 pmORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

9h 27m2 stops Atlanta Hartsfield-Jackson Orlando

8:21 pm - 6:18 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

21h 57m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

$203Multiple Airlines

Wed, Nov 4 - Tue, Nov 10

7:36 pm - 9:21 amSPI Springfield Capital-IAH Houston George Bush Intcntl

13h 45m1 stop Orlando

4:21 pm - 6:56 pmIAH Houston George Bush Intcntl-SPI Springfield Capital

26h 35m1 stop Orlando

$214Multiple Airlines

Sat, Nov 7 - Wed, Nov 11

11:20 am - 4:47 pmMLI Moline Quad-City-IAH Houston George Bush Intcntl

5h 27m1 stop Chicago O'Hare Intl

5:11 pm - 12:07 amIAH Houston George Bush Intcntl-MLI Moline Quad-City

6h 56m1 stop Chicago O'Hare Intl

$273American Airlines

Sat, Nov 7 - Wed, Nov 11

11:20 am - 8:34 pmMLI Moline Quad-City-IAH Houston George Bush Intcntl

9h 14m2 stops Chicago O'Hare Intl Dallas/Fort Worth

9:11 am - 4:28 pmIAH Houston George Bush Intcntl-MLI Moline Quad-City

7h 17m1 stop Chicago O'Hare Intl

$278American Airlines

Sat, Nov 7 - Wed, Nov 11

11:08 am - 10:09 pmMLI Moline Quad-City-IAH Houston George Bush Intcntl

11h 01m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

5:10 am - 4:33 pmIAH Houston George Bush Intcntl-MLI Moline Quad-City

11h 23m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

$283Delta

Sat, Dec 12 - Sat, Jan 9

7:30 am - 10:33 amORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

3h 03mnonstop

3:40 pm - 6:30 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

2h 50mnonstop

$297United Airlines

Mon, Nov 23 - Wed, Dec 2

5:30 am - 8:26 amORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

2h 56mnonstop

3:30 pm - 6:20 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

2h 50mnonstop

$297United Airlines

Fri, Nov 6 - Sat, Nov 7

5:09 pm - 11:55 pmMLI Moline Quad-City-IAH Houston George Bush Intcntl

6h 46m1 stop Atlanta Hartsfield-Jackson

9:42 am - 4:29 pmIAH Houston George Bush Intcntl-MLI Moline Quad-City

6h 47m1 stop Atlanta Hartsfield-Jackson

$306Delta

Recent last minute flight deals from Illinois to George Bush Intcntl

Wed, Oct 7 - Mon, Oct 19

7:25 am - 10:30 amORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

3h 05mnonstop

12:07 pm - 6:31 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

6h 24m1 stop Atlanta Hartsfield-Jackson

$180Frontier

Wed, Oct 7 - Mon, Oct 19

7:25 am - 10:30 amORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

3h 05mnonstop

11:36 am - 2:25 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

2h 49mnonstop

$214Frontier

Tue, Oct 6 - Tue, Oct 20

4:38 pm - 11:59 pmMLI Moline Quad-City-IAH Houston George Bush Intcntl

7h 21m1 stop Dallas/Fort Worth

5:00 am - 11:03 amIAH Houston George Bush Intcntl-MLI Moline Quad-City

6h 03m1 stop Dallas/Fort Worth

$363American Airlines

Tue, Oct 6 - Tue, Oct 20

11:08 am - 10:09 pmMLI Moline Quad-City-IAH Houston George Bush Intcntl

11h 01m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

2:22 pm - 10:30 pmIAH Houston George Bush Intcntl-MLI Moline Quad-City

8h 08m1 stop Atlanta Hartsfield-Jackson

$368Delta

Fri, Oct 2 - Wed, Nov 4

2:46 pm - 5:55 pmORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

3h 09mnonstop

9:50 pm - 6:05 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

20h 15m3 stops Los Angeles Denver Intl Minneapolis St Paul

$400Multiple Airlines

Fri, Oct 2 - Fri, Oct 16

4:57 pm - 12:25 amMLI Moline Quad-City-IAH Houston George Bush Intcntl

7h 28m1 stop Chicago O'Hare Intl

7:02 pm - 11:17 pmIAH Houston George Bush Intcntl-MLI Moline Quad-City

4h 15m1 stop Dallas/Fort Worth

$414American Airlines

Tue, Oct 6 - Tue, Oct 20

11:08 am - 10:09 pmMLI Moline Quad-City-IAH Houston George Bush Intcntl

11h 01m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

5:10 am - 4:24 pmIAH Houston George Bush Intcntl-MLI Moline Quad-City

11h 14m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

$418Delta

Wed, Oct 7 - Wed, Oct 14

7:25 am - 10:30 amORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

3h 05mnonstop

12:43 pm - 7:14 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

30h 31m1 stop Boston Logan Intl

$428Multiple Airlines

Tue, Oct 6 - Tue, Oct 6

7:30 am - 10:23 amORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

2h 53mnonstop

1:45 pm - 4:41 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

2h 56mnonstop

$512United Airlines

Wed, Oct 7 - Wed, Oct 7

2:10 pm - 5:11 pmORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

3h 01mnonstop

6:50 pm - 9:42 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

2h 52mnonstop

$512United Airlines

Recent direct flight deals from Illinois to George Bush Intcntl

Wed, Oct 21 - Wed, Oct 28

7:40 am - 10:39 amORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

2h 59mnonstop

6:16 pm - 9:10 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

2h 54mnonstop

$152Frontier

Wed, Oct 21 - Thu, Oct 22

7:40 am - 10:39 amORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

2h 59mnonstop

11:36 am - 2:25 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

2h 49mnonstop

$157Frontier

Wed, Oct 21 - Sat, Oct 24

7:40 am - 10:39 amORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

2h 59mnonstop

11:36 am - 2:25 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

2h 49mnonstop

$157Frontier

Wed, Oct 21 - Tue, Oct 27

7:40 am - 10:39 amORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

2h 59mnonstop

6:16 pm - 9:10 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

2h 54mnonstop

$158Frontier

Wed, Nov 18 - Sat, Nov 21

3:13 pm - 6:12 pmORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

2h 59mnonstop

5:18 pm - 8:17 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

2h 59mnonstop

$297American Airlines

Thu, Nov 19 - Mon, Nov 23

11:00 am - 1:57 pmORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

2h 57mnonstop

7:39 am - 10:32 amIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

2h 53mnonstop

$297American Airlines

Sat, Dec 12 - Sat, Jan 9

7:30 am - 10:33 amORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

3h 03mnonstop

3:40 pm - 6:30 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

2h 50mnonstop

$297United Airlines

Mon, Nov 23 - Wed, Dec 2

5:30 am - 8:26 amORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

2h 56mnonstop

3:30 pm - 6:20 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

2h 50mnonstop

$297United Airlines

Mon, Nov 23 - Wed, Dec 2

5:10 pm - 8:12 pmORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

3h 02mnonstop

2:43 pm - 5:29 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

2h 46mnonstop

$297American Airlines

Wed, Nov 11 - Mon, Nov 16

9:21 am - 12:24 pmORD Chicago O'Hare Intl-IAH Houston George Bush Intcntl

3h 03mnonstop

3:40 pm - 6:30 pmIAH Houston George Bush Intcntl-ORD Chicago O'Hare Intl

2h 50mnonstop

$297United Airlines

Useful Info

Low season	September
High season	March
Cheapest flight	$91

Best time to beat the crowds but there is an average 10% increase in price.

Most popular time to fly with an average 4% increase in price.

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

How does KAYAK find such low prices on flights from Illinois to Houston George Bush Airport?
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 George Bush Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Houston George Bush Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Houston George Bush Airport 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 George Bush Airport?
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 George Bush Airport 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 George Bush Airport?
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 George Bush Airport from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.