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$31 Find cheap flights from Illinois to Houston George Bush Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to George Bush Intcntl departing on 8/28. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Mon 7/1
Mon 7/8

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In the last 7 days travelers have searched 42,787,818 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

May

Cheapest flight

$31
Best time to beat the crowds but there is an average 1% increase in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Chicago O'Hare Airport to Houston George Bush Airport

FAQs for booking Illinois to Houston George Bush Airport flights

  • 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.

See more FAQs

Prefer to fly non-stop from Illinois to Houston George Bush Airport?

Find which airlines fly direct from Illinois to George Bush Intcntl, which days they fly and book direct flights.

Nonstop departures

Illinois to Houston George Bush Intcntl

Monday

ANA, Aer Lingus, Aeromexico, +54 more

ANA, Aer Lingus, +55 more

Tuesday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

Wednesday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Thursday

ANA, Aer Lingus, Aeromexico, +54 more

ANA, Aer Lingus, +55 more

Friday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Saturday

ANA, Aer Lingus, Aeromexico, +52 more

ANA, Aer Lingus, +53 more

Sunday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

See more direct flights

Nonstop returns

Houston George Bush Intcntl to Illinois

Monday

ANA, Aer Lingus, Aeromexico, +54 more

ANA, Aer Lingus, +55 more

Tuesday

ANA, Aer Lingus, Aeromexico, +56 more

ANA, Aer Lingus, +57 more

Wednesday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Thursday

ANA, Aer Lingus, Aeromexico, +54 more

ANA, Aer Lingus, +55 more

Friday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

Saturday

ANA, Aer Lingus, Aeromexico, +52 more

ANA, Aer Lingus, +53 more

Sunday

ANA, Aer Lingus, Aeromexico, +57 more

ANA, Aer Lingus, +58 more

See more direct flights
See more direct flights

Book cheap flights from Illinois to Houston

Recent round-trip flight deals

7/2Tue
nonstopSpirit Airlines
2h 49mORD-IAH
7/4Thu
nonstopSpirit Airlines
2h 38mIAH-ORD
$61
6/27Thu
nonstopFrontier
2h 41mMDW-IAH
7/2Tue
nonstopFrontier
2h 28mIAH-MDW
$62
6/26Wed
nonstop
2h 44mORD-IAH
7/2Tue
nonstop
2h 50mIAH-ORD
$67
6/26Wed
nonstop
2h 44mORD-IAH
7/2Tue
nonstop
2h 50mIAH-ORD
$76
8/29Thu
1 stopDelta
5h 13mORD-IAH
9/1Sun
1 stopDelta
5h 03mIAH-ORD
$196
7/31Wed
1 stopAmerican Airlines
6h 19mMLI-IAH
8/6Tue
1 stopAmerican Airlines
4h 29mIAH-MLI
$203
7/31Wed
1 stopAmerican Airlines
6h 19mMLI-IAH
8/6Tue
2 stopsAmerican Airlines
9h 50mIAH-MLI
$208
8/30Fri
nonstopUnited Airlines
2h 49mORD-IAH
9/2Mon
nonstopUnited Airlines
2h 47mIAH-ORD
$209
11/18Mon
1 stopDelta
5h 09mMDW-IAH
11/20Wed
1 stopDelta
6h 42mIAH-MDW
$257
8/16Fri
nonstopUnited Airlines
2h 17mSTL-IAH
8/21Wed
nonstopUnited Airlines
2h 09mIAH-STL
$260

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Recent one-way flight deals

8/28Wed
nonstopSpirit Airlines
2h 47mORD-IAH
$31
8/28Wed
nonstopFrontier
2h 46mORD-IAH
$32
8/29Thu
nonstopUnited Airlines
2h 51mORD-IAH
$60
9/1Sun
nonstopAmerican Airlines
2h 43mORD-IAH
$69
8/29Thu
nonstopAmerican Airlines
2h 54mORD-IAH
$70
8/29Thu
1 stopDelta
5h 13mORD-IAH
$98
6/26Wed
2 stops
27h 33mSTL-IAH
$106
8/30Fri
nonstopUnited Airlines
2h 50mORD-IAH
$115
6/7Fri
2 stops
25h 39mSTL-IAH
$120
10/1Tue
1 stopDelta
5h 28mORD-IAH
$344

Search by stops

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Last minute flights from Illinois to George Bush Intcntl

Last minute flight, train and bus deals

6/5Wed
nonstopFrontier
2h 44mORD-IAH
6/19Wed
nonstopFrontier
2h 38mIAH-ORD
$99
6/6Thu
multi-stopFrontier
9h 50mMDW-IAH
6/13Thu
nonstopFrontier
2h 28mIAH-MDW
$118
6/6Thu
nonstopSpirit Airlines
2h 48mORD-IAH
6/18Tue
multi-stopSpirit Airlines
8h 42mIAH-ORD
$137
6/5Wed
multi-stopSpirit Airlines
11h 49mORD-IAH
6/19Wed
nonstopSpirit Airlines
2h 50mIAH-ORD
$138
6/6Thu
nonstop
2h 48mORD-IAH
6/10Mon
nonstop
2h 38mIAH-ORD
$143
6/5Wed
nonstop
2h 49mORD-IAH
6/8Sat
nonstop
2h 38mIAH-ORD
$153
6/4Tue
multi-stopAmerican Airlines
6h 33mCMI-IAH
6/8Sat
multi-stopAmerican Airlines
5h 31mIAH-CMI
$613
6/4Tue
multi-stopAmerican Airlines
4h 36mCMI-IAH
6/8Sat
multi-stopAmerican Airlines
8h 29mIAH-CMI
$617
6/3Mon
multi-stopDelta
4h 49mMDW-IAH
6/6Thu
multi-stopDelta
6h 50mIAH-MDW
$639
6/6Thu
multi-stopDelta
7h 14mMDW-IAH
6/11Tue
multi-stopDelta
7h 23mIAH-MDW
$810

Search by stops

Search by airline

Search by price