Flights from Houston to Irwin

Cheapest flights from Houston

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.

Sun, Aug 24 - Tue, Aug 26

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$130 Roundtrip, found 1 day ago

$130

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Aug 24 from George Bush Intercontinental to Pittsburgh Intl., returning Tue, Aug 26, priced at $130 found 1 day ago

Sun, Aug 24 - Thu, Aug 28

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$144 Roundtrip, found 1 day ago

$144

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Aug 24 from George Bush Intercontinental to Pittsburgh Intl., returning Thu, Aug 28, priced at $144 found 1 day ago

Sun, Aug 24 - Mon, Aug 25

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$160 Roundtrip, found 1 day ago

$160

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Aug 24 from George Bush Intercontinental to Pittsburgh Intl., returning Mon, Aug 25, priced at $160 found 1 day ago

Sat, Aug 23 - Tue, Aug 26

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$170 Roundtrip, found 1 day ago

$170

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Aug 23 from George Bush Intercontinental to Pittsburgh Intl., returning Tue, Aug 26, priced at $170 found 1 day ago

Thu, Aug 21 - Mon, Aug 25

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$183 Roundtrip, found 1 day ago

$183

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 21 from George Bush Intercontinental to Pittsburgh Intl., returning Mon, Aug 25, priced at $183 found 1 day ago

Sat, Aug 23 - Thu, Aug 28

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$184 Roundtrip, found 1 day ago

$184

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Aug 23 from George Bush Intercontinental to Pittsburgh Intl., returning Thu, Aug 28, priced at $184 found 1 day ago

Sat, Aug 23 - Mon, Aug 25

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$200 Roundtrip, found 1 day ago

$200

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sat, Aug 23 from George Bush Intercontinental to Pittsburgh Intl., returning Mon, Aug 25, priced at $200 found 1 day ago

Thu, Aug 21 - Mon, Aug 25

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$204 Roundtrip, found 1 day ago

$204

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 21 from George Bush Intercontinental to Pittsburgh Intl., returning Mon, Aug 25, priced at $204 found 1 day ago

Wed, Aug 20 - Thu, Aug 28

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$218 Roundtrip, found 1 day ago

$218

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, Aug 20 from George Bush Intercontinental to Pittsburgh Intl., returning Thu, Aug 28, priced at $218 found 1 day ago

Thu, Aug 21 - Mon, Aug 25

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$220 Roundtrip, found 1 day ago

$220

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 21 from George Bush Intercontinental to Pittsburgh Intl., returning Mon, Aug 25, priced at $220 found 1 day ago

Mon, Aug 18 - Fri, Aug 22

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$224 Roundtrip, found 1 day ago

$224

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Aug 18 from George Bush Intercontinental to Pittsburgh Intl., returning Fri, Aug 22, priced at $224 found 1 day ago

Thu, Aug 21 - Mon, Aug 25

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$231 Roundtrip, found 1 day ago

$231

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 21 from George Bush Intercontinental to Pittsburgh Intl., returning Mon, Aug 25, priced at $231 found 1 day ago

Wed, Aug 20 - Mon, Aug 25

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$234 Roundtrip, found 1 day ago

$234

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, Aug 20 from George Bush Intercontinental to Pittsburgh Intl., returning Mon, Aug 25, priced at $234 found 1 day ago

Wed, Aug 20 - Fri, Aug 22

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$238 Roundtrip, found 1 day ago

$238

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 20 from George Bush Intercontinental to Pittsburgh Intl., returning Fri, Aug 22, priced at $238 found 1 day ago

Thu, Aug 21 - Mon, Aug 25

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$241 Roundtrip, found 1 day ago

$241

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Thu, Aug 21 from George Bush Intercontinental to Pittsburgh Intl., returning Mon, Aug 25, priced at $241 found 1 day ago

Wed, Aug 20 - Sat, Aug 23

IAH

George Bush Intercontinental

PIT

Pittsburgh Intl.

$258 Roundtrip, found 1 day ago

$258

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Wed, Aug 20 from George Bush Intercontinental to Pittsburgh Intl., returning Sat, Aug 23, priced at $258 found 1 day ago

Thu, Aug 21 - Mon, Aug 25

HOU

William P. Hobby

PIT

Pittsburgh Intl.

$383 Roundtrip, found 1 day ago

$383

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Aug 21 from William P. Hobby to Pittsburgh Intl., returning Mon, Aug 25, priced at $383 found 1 day ago

Thu, Aug 21 - Mon, Aug 25

HOU

William P. Hobby

PIT

Pittsburgh Intl.

$383 Roundtrip, found 1 day ago

$383

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Aug 21 from William P. Hobby to Pittsburgh Intl., returning Mon, Aug 25, priced at $383 found 1 day ago

Thu, Aug 21 - Mon, Aug 25

HOU

William P. Hobby

PIT

Pittsburgh Intl.

$423 Roundtrip, found 1 day ago

$423

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Aug 21 from William P. Hobby to Pittsburgh Intl., returning Mon, Aug 25, priced at $423 found 1 day ago

Thu, Aug 21 - Mon, Aug 25

HOU

William P. Hobby

PIT

Pittsburgh Intl.

$424 Roundtrip, found 1 day ago

$424

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Aug 21 from William P. Hobby to Pittsburgh Intl., returning Mon, Aug 25, priced at $424 found 1 day ago