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Cheap Flights from Portland to Mascoutah (PDX-STL)
Prices were available within the past 7 days and start at $59 for one-way flights and $118 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Tue, Nov 19 - Tue, Dec 3
PDX
Portland
STL
St. Louis
$118 Roundtrip, found 1 hour ago
$118
Roundtrip
found 1 hour ago
Sat, Nov 23 - Tue, Dec 3
PDX
Portland
STL
St. Louis
$134 Roundtrip, found 1 hour ago
$134
Roundtrip
found 1 hour ago
Wed, Oct 23 - Sat, Oct 26
PDX
Portland
STL
St. Louis
$136 Roundtrip, found 6 hours ago
$136
Roundtrip
found 6 hours ago
Thu, Nov 21 - Tue, Dec 3
PDX
Portland
STL
St. Louis
$138 Roundtrip, found 1 hour ago
$138
Roundtrip
found 1 hour ago
Tue, Dec 17 - Tue, Dec 24
PDX
Portland
STL
St. Louis
$142 Roundtrip, found 19 hours ago
$142
Roundtrip
found 19 hours ago
Sat, Oct 26 - Sat, Nov 2
PDX
Portland
STL
St. Louis
$147 Roundtrip, found 5 hours ago
$147
Roundtrip
found 5 hours ago
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