Flights from St. Louis to Beaverton

Cheapest flights from St. Louis

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, Jul 17 - Tue, Jul 22

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$297 Roundtrip, found 2 days ago

$297

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Tue, Jul 22, priced at $297 found 2 days ago

Thu, Jul 17 - Tue, Jul 22

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$297 Roundtrip, found 2 days ago

$297

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Tue, Jul 22, priced at $297 found 2 days ago

Wed, Jul 16 - Sat, Jul 19

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$297 Roundtrip, just found

$297

Roundtrip

just found

Select American Airlines flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to Portland Intl., returning Sat, Jul 19, priced at $297 just found

Wed, Jul 16 - Sat, Jul 19

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$302 Roundtrip, just found

$302

Roundtrip

just found

Select Delta flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to Portland Intl., returning Sat, Jul 19, priced at $302 just found

Wed, Jul 16 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$307 Roundtrip, just found

$307

Roundtrip

just found

Select Delta flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to Portland Intl., returning Fri, Jul 18, priced at $307 just found

Thu, Jul 17 - Tue, Jul 22

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$321 Roundtrip, found 2 days ago

$321

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Tue, Jul 22, priced at $321 found 2 days ago

Thu, Jul 17 - Tue, Jul 22

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$326 Roundtrip, found 2 days ago

$326

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Tue, Jul 22, priced at $326 found 2 days ago

Wed, Jul 16 - Sat, Jul 19

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$337 Roundtrip, just found

$337

Roundtrip

just found

Select American Airlines flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to Portland Intl., returning Sat, Jul 19, priced at $337 just found

Tue, Jul 15 - Mon, Jul 21

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$338 Roundtrip, found 2 days ago

$338

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Jul 15 from Lambert-St. Louis Intl. to Portland Intl., returning Mon, Jul 21, priced at $338 found 2 days ago

Thu, Jul 17 - Tue, Jul 22

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$342 Roundtrip, found 2 days ago

$342

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Tue, Jul 22, priced at $342 found 2 days ago

Tue, Jul 15 - Wed, Jul 16

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$343 Roundtrip, just found

$343

Roundtrip

just found

Select Delta flight, departing Tue, Jul 15 from Lambert-St. Louis Intl. to Portland Intl., returning Wed, Jul 16, priced at $343 just found

Wed, Jul 16 - Sat, Jul 19

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$347 Roundtrip, just found

$347

Roundtrip

just found

Select Alaska Airlines flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to Portland Intl., returning Sat, Jul 19, priced at $347 just found

Wed, Jul 16 - Thu, Jul 17

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$348 Roundtrip, just found

$348

Roundtrip

just found

Select Delta flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to Portland Intl., returning Thu, Jul 17, priced at $348 just found

Wed, Jul 16 - Sat, Jul 19

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$350 Roundtrip, just found

$350

Roundtrip

just found

Select United flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to Portland Intl., returning Sat, Jul 19, priced at $350 just found

Thu, Jul 17 - Tue, Jul 22

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$357 Roundtrip, found 2 days ago

$357

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Tue, Jul 22, priced at $357 found 2 days ago

Wed, Jul 16 - Sat, Jul 19

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$363 Roundtrip, just found

$363

Roundtrip

just found

Select American Airlines flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to Portland Intl., returning Sat, Jul 19, priced at $363 just found

Thu, Jul 17 - Tue, Jul 22

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$366 Roundtrip, found 2 days ago

$366

Roundtrip

found 2 days ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Tue, Jul 22, priced at $366 found 2 days ago

Wed, Jul 16 - Wed, Jul 16

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$381 Roundtrip, just found

$381

Roundtrip

just found

Select Hawaiian Airlines flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to Portland Intl., returning Wed, Jul 16, priced at $381 just found

Wed, Jul 16 - Sat, Jul 19

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$387 Roundtrip, just found

$387

Roundtrip

just found

Select Alaska Airlines flight, departing Wed, Jul 16 from Lambert-St. Louis Intl. to Portland Intl., returning Sat, Jul 19, priced at $387 just found

Sat, Jul 19 - Tue, Jul 22

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$390 Roundtrip, just found

$390

Roundtrip

just found

Select Frontier Airlines flight, departing Sat, Jul 19 from Lambert-St. Louis Intl. to Portland Intl., returning Tue, Jul 22, priced at $390 just found