Flights from Houston to Gladstone

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.

Mon, Jun 9 - Mon, Jun 16

IAH

George Bush Intercontinental

PDX

Portland Intl.

$194 Roundtrip, found 4 days ago

$194

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Mon, Jun 9 from George Bush Intercontinental to Portland Intl., returning Mon, Jun 16, priced at $194 found 4 days ago

Sat, Jun 7 - Tue, Jun 10

IAH

George Bush Intercontinental

PDX

Portland Intl.

$210 Roundtrip, found 18 hours ago

$210

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Sat, Jun 7 from George Bush Intercontinental to Portland Intl., returning Tue, Jun 10, priced at $210 found 18 hours ago

Thu, Jun 5 - Sat, Jun 7

IAH

George Bush Intercontinental

PDX

Portland Intl.

$220 Roundtrip, found 18 hours ago

$220

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Thu, Jun 5 from George Bush Intercontinental to Portland Intl., returning Sat, Jun 7, priced at $220 found 18 hours ago

Thu, Jun 5 - Thu, Jun 5

IAH

George Bush Intercontinental

PDX

Portland Intl.

$230 Roundtrip, found 18 hours ago

$230

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Thu, Jun 5 from George Bush Intercontinental to Portland Intl., returning Thu, Jun 5, priced at $230 found 18 hours ago

Sat, Jul 12 - Wed, Jul 16

IAH

George Bush Intercontinental

PDX

Portland Intl.

$235 Roundtrip, found 3 days ago

$235

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Jul 12 from George Bush Intercontinental to Portland Intl., returning Wed, Jul 16, priced at $235 found 3 days ago

Fri, Jun 13 - Mon, Jun 16

IAH

George Bush Intercontinental

PDX

Portland Intl.

$244 Roundtrip, found 4 days ago

$244

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Jun 13 from George Bush Intercontinental to Portland Intl., returning Mon, Jun 16, priced at $244 found 4 days ago

Fri, Jun 6 - Fri, Jun 6

IAH

George Bush Intercontinental

PDX

Portland Intl.

$245 Roundtrip, found 18 hours ago

$245

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Fri, Jun 6 from George Bush Intercontinental to Portland Intl., returning Fri, Jun 6, priced at $245 found 18 hours ago

Sat, Jul 12 - Wed, Jul 16

IAH

George Bush Intercontinental

PDX

Portland Intl.

$250 Roundtrip, found 3 days ago

$250

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Jul 12 from George Bush Intercontinental to Portland Intl., returning Wed, Jul 16, priced at $250 found 3 days ago

Sun, Jul 13 - Wed, Jul 23

IAH

George Bush Intercontinental

PDX

Portland Intl.

$259 Roundtrip, found 6 hours ago

$259

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Sun, Jul 13 from George Bush Intercontinental to Portland Intl., returning Wed, Jul 23, priced at $259 found 6 hours ago

Sat, Jul 12 - Wed, Jul 16

IAH

George Bush Intercontinental

PDX

Portland Intl.

$263 Roundtrip, found 3 days ago

$263

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sat, Jul 12 from George Bush Intercontinental to Portland Intl., returning Wed, Jul 16, priced at $263 found 3 days ago

Wed, Jul 16 - Mon, Jul 21

IAH

George Bush Intercontinental

PDX

Portland Intl.

$268 Roundtrip, found 6 hours ago

$268

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Wed, Jul 16 from George Bush Intercontinental to Portland Intl., returning Mon, Jul 21, priced at $268 found 6 hours ago

Sat, Jul 19 - Sat, Jul 19

IAH

George Bush Intercontinental

PDX

Portland Intl.

$273 Roundtrip, found 6 hours ago

$273

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Sat, Jul 19 from George Bush Intercontinental to Portland Intl., returning Sat, Jul 19, priced at $273 found 6 hours ago

Fri, Jul 18 - Fri, Jul 18

IAH

George Bush Intercontinental

PDX

Portland Intl.

$276 Roundtrip, found 6 hours ago

$276

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Fri, Jul 18 from George Bush Intercontinental to Portland Intl., returning Fri, Jul 18, priced at $276 found 6 hours ago

Wed, Jul 16 - Mon, Jul 21

IAH

George Bush Intercontinental

PDX

Portland Intl.

$277 Roundtrip, found 6 hours ago

$277

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Wed, Jul 16 from George Bush Intercontinental to Portland Intl., returning Mon, Jul 21, priced at $277 found 6 hours ago

Sat, Jul 12 - Wed, Jul 16

IAH

George Bush Intercontinental

PDX

Portland Intl.

$364 Roundtrip, found 3 days ago

$364

Roundtrip

found 3 days ago

Select American Airlines flight, departing Sat, Jul 12 from George Bush Intercontinental to Portland Intl., returning Wed, Jul 16, priced at $364 found 3 days ago

Wed, Jul 16 - Mon, Jul 21

IAH

George Bush Intercontinental

PDX

Portland Intl.

$380 Roundtrip, found 6 hours ago

$380

Roundtrip

found 6 hours ago

Select Delta flight, departing Wed, Jul 16 from George Bush Intercontinental to Portland Intl., returning Mon, Jul 21, priced at $380 found 6 hours ago

Sat, Jul 12 - Wed, Jul 16

IAH

George Bush Intercontinental

PDX

Portland Intl.

$412 Roundtrip, found 3 days ago

$412

Roundtrip

found 3 days ago

Select United flight, departing Sat, Jul 12 from George Bush Intercontinental to Portland Intl., returning Wed, Jul 16, priced at $412 found 3 days ago

Sat, Jul 12 - Wed, Jul 16

IAH

George Bush Intercontinental

PDX

Portland Intl.

$413 Roundtrip, found 3 days ago

$413

Roundtrip

found 3 days ago

Select United flight, departing Sat, Jul 12 from George Bush Intercontinental to Portland Intl., returning Wed, Jul 16, priced at $413 found 3 days ago

Sun, Jul 6 - Sun, Jul 20

HOU

William P. Hobby

PDX

Portland Intl.

$417 Roundtrip, found 1 day ago

$417

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Jul 6 from William P. Hobby to Portland Intl., returning Sun, Jul 20, priced at $417 found 1 day ago

Wed, Jul 16 - Mon, Jul 21

IAH

George Bush Intercontinental

PDX

Portland Intl.

$417 Roundtrip, found 6 hours ago

$417

Roundtrip

found 6 hours ago

Select Alaska Airlines flight, departing Wed, Jul 16 from George Bush Intercontinental to Portland Intl., returning Mon, Jul 21, priced at $417 found 6 hours ago