Flights from Portland to Liberty

Cheapest flights from Portland

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.

Tue, Sep 9 - Thu, Sep 18

PDX

Portland Intl.

IAH

George Bush Intercontinental

$197 Roundtrip, found 1 day ago

$197

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Sep 9 from Portland Intl. to George Bush Intercontinental, returning Thu, Sep 18, priced at $197 found 1 day ago

Tue, Sep 9 - Sat, Sep 20

PDX

Portland Intl.

IAH

George Bush Intercontinental

$197 Roundtrip, found 1 day ago

$197

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Tue, Sep 9 from Portland Intl. to George Bush Intercontinental, returning Sat, Sep 20, priced at $197 found 1 day ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$207 Roundtrip, found 1 day ago

$207

Roundtrip

found 1 day ago

Select United flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $207 found 1 day ago

Wed, Jul 9 - Sat, Jul 19

PDX

Portland Intl.

IAH

George Bush Intercontinental

$214 Roundtrip, found 6 days ago

$214

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Wed, Jul 9 from Portland Intl. to George Bush Intercontinental, returning Sat, Jul 19, priced at $214 found 6 days ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$217 Roundtrip, found 1 day ago

$217

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $217 found 1 day ago

Sun, Sep 14 - Thu, Sep 18

PDX

Portland Intl.

IAH

George Bush Intercontinental

$227 Roundtrip, found 1 day ago

$227

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sun, Sep 14 from Portland Intl. to George Bush Intercontinental, returning Thu, Sep 18, priced at $227 found 1 day ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$229 Roundtrip, found 1 day ago

$229

Roundtrip

found 1 day ago

Select United flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $229 found 1 day ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$237 Roundtrip, found 1 day ago

$237

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $237 found 1 day ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$238 Roundtrip, found 1 day ago

$238

Roundtrip

found 1 day ago

Select United flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $238 found 1 day ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$247 Roundtrip, found 1 day ago

$247

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $247 found 1 day ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$254 Roundtrip, found 1 day ago

$254

Roundtrip

found 1 day ago

Select United flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $254 found 1 day ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$256 Roundtrip, found 1 day ago

$256

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $256 found 1 day ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$262 Roundtrip, found 1 day ago

$262

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $262 found 1 day ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$265 Roundtrip, found 1 day ago

$265

Roundtrip

found 1 day ago

Select United flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $265 found 1 day ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$267 Roundtrip, found 1 day ago

$267

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $267 found 1 day ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$267 Roundtrip, found 1 day ago

$267

Roundtrip

found 1 day ago

Select United flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $267 found 1 day ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$268 Roundtrip, found 1 day ago

$268

Roundtrip

found 1 day ago

Select Delta flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $268 found 1 day ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$268 Roundtrip, found 1 day ago

$268

Roundtrip

found 1 day ago

Select United flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $268 found 1 day ago

Wed, Jul 9 - Fri, Jul 18

PDX

Portland Intl.

IAH

George Bush Intercontinental

$286 Roundtrip, found 6 days ago

$286

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jul 9 from Portland Intl. to George Bush Intercontinental, returning Fri, Jul 18, priced at $286 found 6 days ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

HOU

William P. Hobby

$302 Roundtrip, found 1 day ago

$302

Roundtrip

found 1 day ago

Select American Airlines flight, departing Fri, Sep 12 from Portland Intl. to William P. Hobby, returning Sun, Sep 21, priced at $302 found 1 day ago