$189 Cheap United flights Portland (PDX) to St. Louis (STL)

$189 Cheap United flights Portland (PDX) to St. Louis (STL)

Prices were available within the past 7 days and start at $189 for one-way flights and $467 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 9 - Sun, May 17

PDX

Portland

STL

St. Louis

$467 Roundtrip, found 18 hours ago

$467

Roundtrip

found 18 hours ago

Select United flight, departing Sat, May 9 from Portland to St. Louis, returning Sun, May 17, priced at $467 found 18 hours ago

Sat, May 9 - Sun, May 17

PDX

Portland

STL

St. Louis

$486 Roundtrip, found 18 hours ago

$486

Roundtrip

found 18 hours ago

Select United flight, departing Sat, May 9 from Portland to St. Louis, returning Sun, May 17, priced at $486 found 18 hours ago

Sat, May 9 - Sun, May 17

PDX

Portland

STL

St. Louis

$502 Roundtrip, found 18 hours ago

$502

Roundtrip

found 18 hours ago

Select United flight, departing Sat, May 9 from Portland to St. Louis, returning Sun, May 17, priced at $502 found 18 hours ago

Sat, May 9 - Sun, May 17

PDX

Portland

STL

St. Louis

$507 Roundtrip, found 18 hours ago

$507

Roundtrip

found 18 hours ago

Select United flight, departing Sat, May 9 from Portland to St. Louis, returning Sun, May 17, priced at $507 found 18 hours ago

Sat, May 9 - Sun, May 17

PDX

Portland

STL

St. Louis

$625 Roundtrip, found 18 hours ago

$625

Roundtrip

found 18 hours ago

Select United flight, departing Sat, May 9 from Portland to St. Louis, returning Sun, May 17, priced at $625 found 18 hours ago