Flights from St. Louis to Carlton

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, Aug 21 - Fri, Aug 22

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$244 Roundtrip, found 16 hours ago

$244

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Thu, Aug 21 from Lambert-St. Louis Intl. to Portland Intl., returning Fri, Aug 22, priced at $244 found 16 hours ago

Sun, Aug 17 - Thu, Aug 21

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$257 Roundtrip, found 16 hours ago

$257

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Sun, Aug 17 from Lambert-St. Louis Intl. to Portland Intl., returning Thu, Aug 21, priced at $257 found 16 hours ago

Fri, Aug 15 - Sun, Aug 17

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$270 Roundtrip, found 2 days ago

$270

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Aug 15 from Lambert-St. Louis Intl. to Portland Intl., returning Sun, Aug 17, priced at $270 found 2 days ago

Wed, Aug 20 - Thu, Aug 21

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$326 Roundtrip, found 16 hours ago

$326

Roundtrip

found 16 hours ago

Select Alaska Airlines flight, departing Wed, Aug 20 from Lambert-St. Louis Intl. to Portland Intl., returning Thu, Aug 21, priced at $326 found 16 hours ago

Sat, Aug 23 - Sat, Aug 23

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$327 Roundtrip, found 16 hours ago

$327

Roundtrip

found 16 hours ago

Select Delta flight, departing Sat, Aug 23 from Lambert-St. Louis Intl. to Portland Intl., returning Sat, Aug 23, priced at $327 found 16 hours ago

Sun, Aug 24 - Sun, Aug 24

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$360 Roundtrip, found 16 hours ago

$360

Roundtrip

found 16 hours ago

Select Hawaiian Airlines flight, departing Sun, Aug 24 from Lambert-St. Louis Intl. to Portland Intl., returning Sun, Aug 24, priced at $360 found 16 hours ago

Thu, Aug 14 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$363 Roundtrip, found 2 days ago

$363

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Aug 14 from Lambert-St. Louis Intl. to Portland Intl., returning Sat, Aug 16, priced at $363 found 2 days ago

Sat, Aug 23 - Sun, Aug 24

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$377 Roundtrip, found 16 hours ago

$377

Roundtrip

found 16 hours ago

Select Hawaiian Airlines flight, departing Sat, Aug 23 from Lambert-St. Louis Intl. to Portland Intl., returning Sun, Aug 24, priced at $377 found 16 hours ago

Fri, Aug 22 - Fri, Aug 22

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$417 Roundtrip, found 16 hours ago

$417

Roundtrip

found 16 hours ago

Select United flight, departing Fri, Aug 22 from Lambert-St. Louis Intl. to Portland Intl., returning Fri, Aug 22, priced at $417 found 16 hours ago

Thu, Aug 21 - Thu, Aug 21

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$417 Roundtrip, found 16 hours ago

$417

Roundtrip

found 16 hours ago

Select American Airlines flight, departing Thu, Aug 21 from Lambert-St. Louis Intl. to Portland Intl., returning Thu, Aug 21, priced at $417 found 16 hours ago