Cheap United flights St. Louis (STL) to Portland (PWM)

Cheap United flights St. Louis (STL) to Portland (PWM)

Prices were available within the past 7 days and start at for one-way flights and $487 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 14 - Fri, Jun 5

STL

St. Louis

PWM

Portland

$487 Roundtrip, found 1 day ago

$487

Roundtrip

found 1 day ago

Select United flight, departing Thu, May 14 from St. Louis to Portland, returning Fri, Jun 5, priced at $487 found 1 day ago

Fri, Apr 17 - Sun, May 3

STL

St. Louis

PWM

Portland

$517 Roundtrip, found 1 day ago

$517

Roundtrip

found 1 day ago

Select United flight, departing Fri, Apr 17 from St. Louis to Portland, returning Sun, May 3, priced at $517 found 1 day ago