Flights to Southern Illinois from Porto - ￥112,470

View ￥112,470 flight on Sat, Aug 30, 2025Opens in a new window

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Cheap Flights from Porto to Southern Illinois (OPO-STL)

Prices were available within the past 7 days and start at ￥112,470 for one-way flights and ￥180,580 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Aug 17 - Thu, Aug 21
OPO
Porto
STL
St. Louis
￥180,580 Roundtrip, found 6 days ago
￥180,580
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Aug 17 from Porto to St. Louis, returning Thu, Aug 21, priced at ￥180,580 found 6 days ago
American Airlines
Sun, Aug 17 - Thu, Aug 21
OPO
Porto
STL
St. Louis
￥182,480 Roundtrip, found 6 days ago
￥182,480
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Aug 17 from Porto to St. Louis, returning Thu, Aug 21, priced at ￥182,480 found 6 days ago
TAP Portugal
Sun, Aug 17 - Thu, Aug 21
OPO
Porto
STL
St. Louis
￥198,200 Roundtrip, found 6 days ago
￥198,200
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Sun, Aug 17 from Porto to St. Louis, returning Thu, Aug 21, priced at ￥198,200 found 6 days ago
British Airways
Sun, Aug 17 - Thu, Aug 21
OPO
Porto
STL
St. Louis
￥205,810 Roundtrip, found 6 days ago
￥205,810
Roundtrip
found 6 days ago
Select British Airways flight, departing Sun, Aug 17 from Porto to St. Louis, returning Thu, Aug 21, priced at ￥205,810 found 6 days ago
Delta
Sun, Aug 17 - Thu, Aug 21
OPO
Porto
STL
St. Louis
￥206,150 Roundtrip, found 6 days ago
￥206,150
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Aug 17 from Porto to St. Louis, returning Thu, Aug 21, priced at ￥206,150 found 6 days ago
Iberia
Sun, Aug 17 - Thu, Aug 21
OPO
Porto
STL
St. Louis
￥207,810 Roundtrip, found 6 days ago
￥207,810
Roundtrip
found 6 days ago
Select Iberia flight, departing Sun, Aug 17 from Porto to St. Louis, returning Thu, Aug 21, priced at ￥207,810 found 6 days ago
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