Flights to Southeast Missouri from Seattle - ￥13,790

View ￥13,790 flight on Wed, Oct 1, 2025Opens in a new window

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Cheap Flights from Seattle to Southeast Missouri (SEA-STL)

Prices were available within the past 7 days and start at ￥13,790 for one-way flights and ￥34,120 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Aug 21 - Mon, Aug 25
SEA
Seattle
STL
St. Louis
￥34,120 Roundtrip, found 7 hours ago
￥34,120
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Thu, Aug 21 from Seattle to St. Louis, returning Mon, Aug 25, priced at ￥34,120 found 7 hours ago
Delta
Sat, Aug 30 - Sat, Sep 6
SEA
Seattle
STL
St. Louis
￥35,220 Roundtrip, found 12 hours ago
￥35,220
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Aug 30 from Seattle to St. Louis, returning Sat, Sep 6, priced at ￥35,220 found 12 hours ago
American Airlines
Sat, Aug 30 - Sat, Sep 6
SEA
Seattle
STL
St. Louis
￥36,730 Roundtrip, found 12 hours ago
￥36,730
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Sat, Aug 30 from Seattle to St. Louis, returning Sat, Sep 6, priced at ￥36,730 found 12 hours ago
Delta
Sat, Aug 30 - Sat, Sep 6
SEA
Seattle
STL
St. Louis
￥36,810 Roundtrip, found 12 hours ago
￥36,810
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Aug 30 from Seattle to St. Louis, returning Sat, Sep 6, priced at ￥36,810 found 12 hours ago
American Airlines
Thu, Aug 21 - Mon, Aug 25
SEA
Seattle
STL
St. Louis
￥37,780 Roundtrip, found 7 hours ago
￥37,780
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Thu, Aug 21 from Seattle to St. Louis, returning Mon, Aug 25, priced at ￥37,780 found 7 hours ago
United
Thu, Aug 21 - Mon, Aug 25
SEA
Seattle
STL
St. Louis
￥40,110 Roundtrip, found 7 hours ago
￥40,110
Roundtrip
found 7 hours ago
Select United flight, departing Thu, Aug 21 from Seattle to St. Louis, returning Mon, Aug 25, priced at ￥40,110 found 7 hours ago
*Available to Expedia members.