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.

Thu, Jun 12 - Sun, Jun 15

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$134 Roundtrip, found 4 hours ago

$134

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Thu, Jun 12 from O'Hare Intl. to George Bush Intercontinental, returning Sun, Jun 15, priced at $134 found 4 hours ago

Sat, Jun 7 - Tue, Jun 10

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$138 Roundtrip, found 4 hours ago

$138

Roundtrip

found 4 hours ago

Select Spirit Airlines flight, departing Sat, Jun 7 from O'Hare Intl. to George Bush Intercontinental, returning Tue, Jun 10, priced at $138 found 4 hours ago

Mon, Jun 9 - Thu, Jun 12

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$151 Roundtrip, found 4 hours ago

$151

Roundtrip

found 4 hours ago

Select Spirit Airlines flight, departing Mon, Jun 9 from O'Hare Intl. to George Bush Intercontinental, returning Thu, Jun 12, priced at $151 found 4 hours ago

Fri, Jun 6 - Tue, Jun 10

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$158 Roundtrip, found 4 hours ago

$158

Roundtrip

found 4 hours ago

Select Spirit Airlines flight, departing Fri, Jun 6 from O'Hare Intl. to George Bush Intercontinental, returning Tue, Jun 10, priced at $158 found 4 hours ago

Tue, Jun 10 - Thu, Jun 12

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$160 Roundtrip, found 4 hours ago

$160

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Tue, Jun 10 from O'Hare Intl. to George Bush Intercontinental, returning Thu, Jun 12, priced at $160 found 4 hours ago

Mon, Jun 9 - Thu, Jun 12

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$170 Roundtrip, found 4 hours ago

$170

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Mon, Jun 9 from O'Hare Intl. to George Bush Intercontinental, returning Thu, Jun 12, priced at $170 found 4 hours ago

Mon, Jun 9 - Thu, Jun 12

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$172 Roundtrip, found 4 hours ago

$172

Roundtrip

found 4 hours ago

Select Spirit Airlines flight, departing Mon, Jun 9 from O'Hare Intl. to George Bush Intercontinental, returning Thu, Jun 12, priced at $172 found 4 hours ago

Sat, Jun 7 - Sat, Jun 14

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$173 Roundtrip, found 4 hours ago

$173

Roundtrip

found 4 hours ago

Select Spirit Airlines flight, departing Sat, Jun 7 from O'Hare Intl. to George Bush Intercontinental, returning Sat, Jun 14, priced at $173 found 4 hours ago

Thu, Jun 12 - Fri, Jun 13

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$178 Roundtrip, found 4 hours ago

$178

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Thu, Jun 12 from O'Hare Intl. to George Bush Intercontinental, returning Fri, Jun 13, priced at $178 found 4 hours ago

Mon, Jun 9 - Thu, Jun 12

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$181 Roundtrip, found 4 hours ago

$181

Roundtrip

found 4 hours ago

Select Spirit Airlines flight, departing Mon, Jun 9 from O'Hare Intl. to George Bush Intercontinental, returning Thu, Jun 12, priced at $181 found 4 hours ago

Mon, Jun 9 - Thu, Jun 12

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$183 Roundtrip, found 4 hours ago

$183

Roundtrip

found 4 hours ago

Select Spirit Airlines flight, departing Mon, Jun 9 from O'Hare Intl. to George Bush Intercontinental, returning Thu, Jun 12, priced at $183 found 4 hours ago

Mon, Jun 9 - Thu, Jun 12

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$184 Roundtrip, found 4 hours ago

$184

Roundtrip

found 4 hours ago

Select Spirit Airlines flight, departing Mon, Jun 9 from O'Hare Intl. to George Bush Intercontinental, returning Thu, Jun 12, priced at $184 found 4 hours ago

Mon, Jun 9 - Thu, Jun 12

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$191 Roundtrip, found 4 hours ago

$191

Roundtrip

found 4 hours ago

Select Spirit Airlines flight, departing Mon, Jun 9 from O'Hare Intl. to George Bush Intercontinental, returning Thu, Jun 12, priced at $191 found 4 hours ago

Fri, Jun 6 - Sat, Jun 14

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$193 Roundtrip, found 4 hours ago

$193

Roundtrip

found 4 hours ago

Select Spirit Airlines flight, departing Fri, Jun 6 from O'Hare Intl. to George Bush Intercontinental, returning Sat, Jun 14, priced at $193 found 4 hours ago

Mon, Jun 9 - Thu, Jun 12

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$194 Roundtrip, found 4 hours ago

$194

Roundtrip

found 4 hours ago

Select Spirit Airlines flight, departing Mon, Jun 9 from O'Hare Intl. to George Bush Intercontinental, returning Thu, Jun 12, priced at $194 found 4 hours ago

Sat, Jun 7 - Fri, Jun 13

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$198 Roundtrip, found 4 hours ago

$198

Roundtrip

found 4 hours ago

Select Spirit Airlines flight, departing Sat, Jun 7 from O'Hare Intl. to George Bush Intercontinental, returning Fri, Jun 13, priced at $198 found 4 hours ago

Wed, Jun 11 - Wed, Jun 11

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$211 Roundtrip, found 4 hours ago

$211

Roundtrip

found 4 hours ago

Select Delta flight, departing Wed, Jun 11 from O'Hare Intl. to George Bush Intercontinental, returning Wed, Jun 11, priced at $211 found 4 hours ago

Mon, Jun 9 - Thu, Jun 12

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$213 Roundtrip, found 4 hours ago

$213

Roundtrip

found 4 hours ago

Select United flight, departing Mon, Jun 9 from O'Hare Intl. to George Bush Intercontinental, returning Thu, Jun 12, priced at $213 found 4 hours ago

Mon, Jun 9 - Thu, Jun 12

ORD

O'Hare Intl.

IAH

George Bush Intercontinental

$235 Roundtrip, found 4 hours ago

$235

Roundtrip

found 4 hours ago

Select American Airlines flight, departing Mon, Jun 9 from O'Hare Intl. to George Bush Intercontinental, returning Thu, Jun 12, priced at $235 found 4 hours ago

Mon, Jun 9 - Thu, Jun 12

ORD

O'Hare Intl.

HOU

William P. Hobby

$393 Roundtrip, found 4 hours ago

$393

Roundtrip

found 4 hours ago

Select Delta flight, departing Mon, Jun 9 from O'Hare Intl. to William P. Hobby, returning Thu, Jun 12, priced at $393 found 4 hours ago