Photo by Michelle Finseth
Cheapest flights from St. Louis
These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Thu, Jun 27 - Mon, Jul 1
STL
Lambert-St. Louis Intl.
PDX
Portland Intl.
$290 Roundtrip, found 2 days ago
$290
Roundtrip
found 2 days ago
Thu, Jun 27 - Sun, Jun 30
STL
Lambert-St. Louis Intl.
PDX
Portland Intl.
$296 Roundtrip, found 2 days ago
$296
Roundtrip
found 2 days ago
Thu, Jun 27 - Mon, Jul 1
STL
Lambert-St. Louis Intl.
PDX
Portland Intl.
$413 Roundtrip, found 2 days ago
$413
Roundtrip
found 2 days ago
Thu, Jun 27 - Mon, Jul 1
STL
Lambert-St. Louis Intl.
PDX
Portland Intl.
$472 Roundtrip, found 2 days ago
$472
Roundtrip
found 2 days ago
Thu, Jun 27 - Mon, Jul 1
STL
Lambert-St. Louis Intl.
PDX
Portland Intl.
$742 Roundtrip, found 2 days ago
$742
Roundtrip
found 2 days ago
Thu, Jun 27 - Mon, Jul 1
STL
Lambert-St. Louis Intl.
PDX
Portland Intl.
$1,702 Roundtrip, found 2 days ago
$1,702
Roundtrip
found 2 days ago