Flights from St. Louis to Lafayette

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 2 days ago

$244

Roundtrip

found 2 days 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 2 days ago

Sun, Aug 17 - Thu, Aug 21

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$257 Roundtrip, found 2 days ago

$257

Roundtrip

found 2 days 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 2 days ago

Fri, Aug 15 - Sun, Aug 17

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$270 Roundtrip, found 4 days ago

$270

Roundtrip

found 4 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 4 days ago

Thu, Jul 17 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$317 Roundtrip, found 2 hours ago

$317

Roundtrip

found 2 hours ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Fri, Jul 18, priced at $317 found 2 hours ago

Wed, Aug 20 - Thu, Aug 21

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$326 Roundtrip, found 2 days ago

$326

Roundtrip

found 2 days 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 2 days ago

Thu, Jul 17 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$327 Roundtrip, found 2 hours ago

$327

Roundtrip

found 2 hours ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Fri, Jul 18, priced at $327 found 2 hours ago

Sat, Aug 23 - Sat, Aug 23

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$327 Roundtrip, found 2 days ago

$327

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Aug 23 from Lambert-St. Louis Intl. to Portland Intl., returning Sat, Aug 23, priced at $327 found 2 days ago

Thu, Jul 17 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$349 Roundtrip, found 2 hours ago

$349

Roundtrip

found 2 hours ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Fri, Jul 18, priced at $349 found 2 hours ago

Sun, Aug 24 - Sun, Aug 24

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$360 Roundtrip, found 2 days ago

$360

Roundtrip

found 2 days 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 2 days ago

Thu, Jul 17 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$361 Roundtrip, found 2 hours ago

$361

Roundtrip

found 2 hours ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Fri, Jul 18, priced at $361 found 2 hours ago

Thu, Aug 14 - Sat, Aug 16

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$363 Roundtrip, found 4 days ago

$363

Roundtrip

found 4 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 4 days ago

Sat, Aug 23 - Sun, Aug 24

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$377 Roundtrip, found 2 days ago

$377

Roundtrip

found 2 days 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 2 days ago

Thu, Jul 17 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$382 Roundtrip, found 2 hours ago

$382

Roundtrip

found 2 hours ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Fri, Jul 18, priced at $382 found 2 hours ago

Thu, Jul 17 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$388 Roundtrip, found 2 hours ago

$388

Roundtrip

found 2 hours ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Fri, Jul 18, priced at $388 found 2 hours ago

Thu, Jul 17 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$392 Roundtrip, found 2 hours ago

$392

Roundtrip

found 2 hours ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Fri, Jul 18, priced at $392 found 2 hours ago

Thu, Jul 17 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$396 Roundtrip, found 2 hours ago

$396

Roundtrip

found 2 hours ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Fri, Jul 18, priced at $396 found 2 hours ago

Thu, Jul 17 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$402 Roundtrip, found 2 hours ago

$402

Roundtrip

found 2 hours ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Fri, Jul 18, priced at $402 found 2 hours ago

Thu, Jul 17 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$412 Roundtrip, found 2 hours ago

$412

Roundtrip

found 2 hours ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Fri, Jul 18, priced at $412 found 2 hours ago

Thu, Jul 17 - Fri, Jul 18

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$414 Roundtrip, found 2 hours ago

$414

Roundtrip

found 2 hours ago

Select United flight, departing Thu, Jul 17 from Lambert-St. Louis Intl. to Portland Intl., returning Fri, Jul 18, priced at $414 found 2 hours ago

Thu, Aug 21 - Thu, Aug 21

STL

Lambert-St. Louis Intl.

PDX

Portland Intl.

$417 Roundtrip, found 2 days ago

$417

Roundtrip

found 2 days 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 2 days ago