$164 Cheap United flights Portland (PDX) to St. Louis (STL)

$164 Cheap United flights Portland (PDX) to St. Louis (STL)

Prices were available within the past 7 days and start at $164 for one-way flights and $349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jul 19 - Mon, Jul 21

PDX

Portland

STL

St. Louis

$349 Roundtrip, found 2 days ago

$349

Roundtrip

found 2 days ago

Select United flight, departing Sat, Jul 19 from Portland to St. Louis, returning Mon, Jul 21, priced at $349 found 2 days ago

Sat, Jul 19 - Mon, Jul 21

PDX

Portland

STL

St. Louis

$388 Roundtrip, found 2 days ago

$388

Roundtrip

found 2 days ago

Select United flight, departing Sat, Jul 19 from Portland to St. Louis, returning Mon, Jul 21, priced at $388 found 2 days ago