$158 Cheap United flights Portland (PDX) to St. Louis (STL)

$158 Cheap United flights Portland (PDX) to St. Louis (STL)

Prices were available within the past 7 days and start at $158 for one-way flights and $272 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 22 - Mon, Aug 25

PDX

Portland

STL

St. Louis

$272 Roundtrip, found 2 days ago

$272

Roundtrip

found 2 days ago

Select United flight, departing Fri, Aug 22 from Portland to St. Louis, returning Mon, Aug 25, priced at $272 found 2 days ago

Fri, Aug 22 - Mon, Aug 25

PDX

Portland

STL

St. Louis

$287 Roundtrip, found 2 days ago

$287

Roundtrip

found 2 days ago

Select United flight, departing Fri, Aug 22 from Portland to St. Louis, returning Mon, Aug 25, priced at $287 found 2 days ago

Fri, Aug 22 - Mon, Aug 25

PDX

Portland

STL

St. Louis

$304 Roundtrip, found 2 days ago

$304

Roundtrip

found 2 days ago

Select United flight, departing Fri, Aug 22 from Portland to St. Louis, returning Mon, Aug 25, priced at $304 found 2 days ago

Fri, Aug 22 - Mon, Aug 25

PDX

Portland

STL

St. Louis

$306 Roundtrip, found 2 days ago

$306

Roundtrip

found 2 days ago

Select United flight, departing Fri, Aug 22 from Portland to St. Louis, returning Mon, Aug 25, priced at $306 found 2 days ago

Fri, Aug 22 - Mon, Aug 25

PDX

Portland

STL

St. Louis

$314 Roundtrip, found 2 days ago

$314

Roundtrip

found 2 days ago

Select United flight, departing Fri, Aug 22 from Portland to St. Louis, returning Mon, Aug 25, priced at $314 found 2 days ago

Fri, Aug 22 - Mon, Aug 25

PDX

Portland

STL

St. Louis

$315 Roundtrip, found 2 days ago

$315

Roundtrip

found 2 days ago

Select United flight, departing Fri, Aug 22 from Portland to St. Louis, returning Mon, Aug 25, priced at $315 found 2 days ago