Flights from Chicago to Houston

Cheapest flights from Chicago

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 17 - Sun, Oct 19

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$104 Roundtrip, found 4 days ago

$104

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Oct 17 from O'Hare Intl. to George Bush Intercontinental, returning Sun, Oct 19, priced at $104 found 4 days ago

Mon, Jul 28 - Mon, Aug 11

MDW

Midway Intl.

IAH

George Bush Intercontinental

$108 Roundtrip, found 13 hours ago

$108

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Mon, Jul 28 from Midway Intl. to George Bush Intercontinental, returning Mon, Aug 11, priced at $108 found 13 hours ago

Sun, Aug 3 - Sun, Aug 10

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$109 Roundtrip, found 2 days ago

$109

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Aug 3 from O'Hare Intl. to George Bush Intercontinental, returning Sun, Aug 10, priced at $109 found 2 days ago

Sun, Aug 3 - Sun, Aug 10

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$114 Roundtrip, found 2 days ago

$114

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Aug 3 from O'Hare Intl. to George Bush Intercontinental, returning Sun, Aug 10, priced at $114 found 2 days ago

Fri, Jul 18 - Mon, Jul 21

MDW

Midway Intl.

IAH

George Bush Intercontinental

$116 Roundtrip, found 2 days ago

$116

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Jul 18 from Midway Intl. to George Bush Intercontinental, returning Mon, Jul 21, priced at $116 found 2 days ago

Sun, Aug 3 - Sun, Aug 10

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$119 Roundtrip, found 2 days ago

$119

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Aug 3 from O'Hare Intl. to George Bush Intercontinental, returning Sun, Aug 10, priced at $119 found 2 days ago

Fri, Aug 15 - Mon, Aug 18

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$122 Roundtrip, found 3 days ago

$122

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Aug 15 from O'Hare Intl. to George Bush Intercontinental, returning Mon, Aug 18, priced at $122 found 3 days ago

Sun, Aug 3 - Sat, Aug 9

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$127 Roundtrip, found 2 days ago

$127

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Aug 3 from O'Hare Intl. to George Bush Intercontinental, returning Sat, Aug 9, priced at $127 found 2 days ago

Thu, Jul 31 - Sun, Aug 10

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$130 Roundtrip, found 2 days ago

$130

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Jul 31 from O'Hare Intl. to George Bush Intercontinental, returning Sun, Aug 10, priced at $130 found 2 days ago

Thu, Aug 14 - Sun, Aug 31

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$132 Roundtrip, found 13 hours ago

$132

Roundtrip

found 13 hours ago

Select Spirit Airlines flight, departing Thu, Aug 14 from O'Hare Intl. to George Bush Intercontinental, returning Sun, Aug 31, priced at $132 found 13 hours ago

Fri, Jul 25 - Mon, Aug 11

MDW

Midway Intl.

IAH

George Bush Intercontinental

$133 Roundtrip, found 13 hours ago

$133

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Midway Intl. to George Bush Intercontinental, returning Mon, Aug 11, priced at $133 found 13 hours ago

Sun, Aug 3 - Sun, Aug 10

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$134 Roundtrip, found 2 days ago

$134

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Aug 3 from O'Hare Intl. to George Bush Intercontinental, returning Sun, Aug 10, priced at $134 found 2 days ago

Fri, Jul 18 - Fri, Jul 25

MDW

Midway Intl.

IAH

George Bush Intercontinental

$135 Roundtrip, found 2 days ago

$135

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Jul 18 from Midway Intl. to George Bush Intercontinental, returning Fri, Jul 25, priced at $135 found 2 days ago

Sun, Aug 3 - Sat, Aug 9

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$137 Roundtrip, found 2 days ago

$137

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Aug 3 from O'Hare Intl. to George Bush Intercontinental, returning Sat, Aug 9, priced at $137 found 2 days ago

Wed, Jul 16 - Mon, Jul 28

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$138 Roundtrip, found 6 days ago

$138

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Wed, Jul 16 from O'Hare Intl. to George Bush Intercontinental, returning Mon, Jul 28, priced at $138 found 6 days ago

Sat, Aug 2 - Sat, Aug 9

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$177 Roundtrip, found 2 days ago

$177

Roundtrip

found 2 days ago

Select United flight, departing Sat, Aug 2 from O'Hare Intl. to George Bush Intercontinental, returning Sat, Aug 9, priced at $177 found 2 days ago

Sat, Aug 2 - Sat, Aug 9

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$177 Roundtrip, found 2 days ago

$177

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sat, Aug 2 from O'Hare Intl. to George Bush Intercontinental, returning Sat, Aug 9, priced at $177 found 2 days ago

Tue, Oct 14 - Tue, Oct 14

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$211 Roundtrip, found 4 days ago

$211

Roundtrip

found 4 days ago

Select Delta flight, departing Tue, Oct 14 from O'Hare Intl. to George Bush Intercontinental, returning Tue, Oct 14, priced at $211 found 4 days ago

Sat, Aug 2 - Sat, Aug 9

ORD

O'Hare Intl.

HOU

William P. Hobby

$260 Roundtrip, found 2 days ago

$260

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sat, Aug 2 from O'Hare Intl. to William P. Hobby, returning Sat, Aug 9, priced at $260 found 2 days ago

Sun, Aug 3 - Sun, Aug 10

MDW

Midway Intl.

HOU

William P. Hobby

$524 Roundtrip, found 2 days ago

$524

Roundtrip

found 2 days ago

Select Delta flight, departing Sun, Aug 3 from Midway Intl. to William P. Hobby, returning Sun, Aug 10, priced at $524 found 2 days ago