$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 $244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jan 25 - Mon, Jan 26

PDX

Portland

STL

St. Louis

$244 Roundtrip, found 1 day ago

$244

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jan 25 from Portland to St. Louis, returning Mon, Jan 26, priced at $244 found 1 day ago

Sun, Jan 25 - Tue, Jan 27

PDX

Portland

STL

St. Louis

$254 Roundtrip, found 1 day ago

$254

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jan 25 from Portland to St. Louis, returning Tue, Jan 27, priced at $254 found 1 day ago

Sun, Jan 25 - Mon, Jan 26

PDX

Portland

STL

St. Louis

$270 Roundtrip, found 1 day ago

$270

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jan 25 from Portland to St. Louis, returning Mon, Jan 26, priced at $270 found 1 day ago

Sun, Jan 25 - Tue, Jan 27

PDX

Portland

STL

St. Louis

$294 Roundtrip, found 1 day ago

$294

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jan 25 from Portland to St. Louis, returning Tue, Jan 27, priced at $294 found 1 day ago

Sun, Jan 25 - Tue, Jan 27

PDX

Portland

STL

St. Louis

$318 Roundtrip, found 1 day ago

$318

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jan 25 from Portland to St. Louis, returning Tue, Jan 27, priced at $318 found 1 day ago

Sun, Jan 25 - Tue, Jan 27

PDX

Portland

STL

St. Louis

$323 Roundtrip, found 1 day ago

$323

Roundtrip

found 1 day ago

Select United flight, departing Sun, Jan 25 from Portland to St. Louis, returning Tue, Jan 27, priced at $323 found 1 day ago