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.

Sun, Oct 19 - Fri, Nov 7

PDX

Portland Intl.

IAH

George Bush Intercontinental

$197 Roundtrip, found 16 hours ago

$197

Roundtrip

found 16 hours ago

Select Hawaiian Airlines flight, departing Sun, Oct 19 from Portland Intl. to George Bush Intercontinental, returning Fri, Nov 7, priced at $197 found 16 hours ago

Sun, Oct 19 - Tue, Nov 11

PDX

Portland Intl.

IAH

George Bush Intercontinental

$207 Roundtrip, found 16 hours ago

$207

Roundtrip

found 16 hours ago

Select Hawaiian Airlines flight, departing Sun, Oct 19 from Portland Intl. to George Bush Intercontinental, returning Tue, Nov 11, priced at $207 found 16 hours ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$207 Roundtrip, found 2 days ago

$207

Roundtrip

found 2 days ago

Select United flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $207 found 2 days ago

Tue, Oct 21 - Wed, Nov 12

PDX

Portland Intl.

IAH

George Bush Intercontinental

$217 Roundtrip, found 16 hours ago

$217

Roundtrip

found 16 hours ago

Select Delta flight, departing Tue, Oct 21 from Portland Intl. to George Bush Intercontinental, returning Wed, Nov 12, priced at $217 found 16 hours ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$217 Roundtrip, found 2 days ago

$217

Roundtrip

found 2 days ago

Select American Airlines flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $217 found 2 days ago

Sun, Oct 19 - Mon, Nov 10

PDX

Portland Intl.

IAH

George Bush Intercontinental

$227 Roundtrip, found 16 hours ago

$227

Roundtrip

found 16 hours ago

Select Hawaiian Airlines flight, departing Sun, Oct 19 from Portland Intl. to George Bush Intercontinental, returning Mon, Nov 10, priced at $227 found 16 hours ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$229 Roundtrip, found 2 days ago

$229

Roundtrip

found 2 days ago

Select United flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $229 found 2 days ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$237 Roundtrip, found 2 days ago

$237

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $237 found 2 days ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$238 Roundtrip, found 2 days ago

$238

Roundtrip

found 2 days ago

Select United flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $238 found 2 days ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$247 Roundtrip, found 2 days ago

$247

Roundtrip

found 2 days ago

Select Delta flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $247 found 2 days ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$254 Roundtrip, found 2 days ago

$254

Roundtrip

found 2 days ago

Select United flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $254 found 2 days ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$256 Roundtrip, found 2 days ago

$256

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $256 found 2 days ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$262 Roundtrip, found 2 days ago

$262

Roundtrip

found 2 days ago

Select American Airlines flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $262 found 2 days ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$265 Roundtrip, found 2 days ago

$265

Roundtrip

found 2 days ago

Select United flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $265 found 2 days ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$267 Roundtrip, found 2 days ago

$267

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $267 found 2 days ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$267 Roundtrip, found 2 days ago

$267

Roundtrip

found 2 days ago

Select United flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $267 found 2 days ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$268 Roundtrip, found 2 days ago

$268

Roundtrip

found 2 days ago

Select United flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $268 found 2 days ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

IAH

George Bush Intercontinental

$271 Roundtrip, found 2 days ago

$271

Roundtrip

found 2 days ago

Select United flight, departing Fri, Sep 12 from Portland Intl. to George Bush Intercontinental, returning Sun, Sep 21, priced at $271 found 2 days ago

Sun, Oct 19 - Sun, Nov 9

PDX

Portland Intl.

IAH

George Bush Intercontinental

$272 Roundtrip, found 16 hours ago

$272

Roundtrip

found 16 hours ago

Select Hawaiian Airlines flight, departing Sun, Oct 19 from Portland Intl. to George Bush Intercontinental, returning Sun, Nov 9, priced at $272 found 16 hours ago

Fri, Sep 12 - Sun, Sep 21

PDX

Portland Intl.

HOU

William P. Hobby

$302 Roundtrip, found 2 days ago

$302

Roundtrip

found 2 days ago

Select American Airlines flight, departing Fri, Sep 12 from Portland Intl. to William P. Hobby, returning Sun, Sep 21, priced at $302 found 2 days ago