Flights to Southwest Illinois from Portland - ￥27,420

View ￥27,420 flight on Thu, Jul 24, 2025Opens in a new window

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Cheap Flights from Portland to Southwest Illinois (PDX-STL)

Prices were available within the past 7 days and start at ￥27,420 for one-way flights and ￥42,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Aug 3 - Fri, Aug 8
PDX
Portland
STL
St. Louis
￥42,700 Roundtrip, found 4 days ago
￥42,700
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Aug 3 from Portland to St. Louis, returning Fri, Aug 8, priced at ￥42,700 found 4 days ago
American Airlines
Sun, Aug 3 - Fri, Aug 8
PDX
Portland
STL
St. Louis
￥48,400 Roundtrip, found 4 days ago
￥48,400
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Aug 3 from Portland to St. Louis, returning Fri, Aug 8, priced at ￥48,400 found 4 days ago
Delta
Sun, Aug 10 - Sat, Aug 16
PDX
Portland
STL
St. Louis
￥49,830 Roundtrip, found 1 day ago
￥49,830
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Aug 10 from Portland to St. Louis, returning Sat, Aug 16, priced at ￥49,830 found 1 day ago
American Airlines
Sun, Aug 10 - Sat, Aug 16
PDX
Portland
STL
St. Louis
￥53,100 Roundtrip, found 1 day ago
￥53,100
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Aug 10 from Portland to St. Louis, returning Sat, Aug 16, priced at ￥53,100 found 1 day ago
Delta
Sun, Aug 10 - Sat, Aug 16
PDX
Portland
STL
St. Louis
￥53,320 Roundtrip, found 1 day ago
￥53,320
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Aug 10 from Portland to St. Louis, returning Sat, Aug 16, priced at ￥53,320 found 1 day ago
United
Sun, Aug 10 - Sat, Aug 16
PDX
Portland
STL
St. Louis
￥63,320 Roundtrip, found 1 day ago
￥63,320
Roundtrip
found 1 day ago
Select United flight, departing Sun, Aug 10 from Portland to St. Louis, returning Sat, Aug 16, priced at ￥63,320 found 1 day ago
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