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Cheap Flights from St. Louis to Tri-Cities (STL-TRI)
Prices were available within the past 7 days and start at $144 for one-way flights and $287 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Wed, May 28 - Thu, May 29
STL
St. Louis
TRI
Tri-Cities
$287 Roundtrip, found 8 hours ago
$287
Roundtrip
found 8 hours ago
Sun, May 25 - Sat, May 31
STL
St. Louis
TRI
Tri-Cities
$291 Roundtrip, found 8 hours ago
$291
Roundtrip
found 8 hours ago
Wed, May 28 - Tue, Jun 3
STL
St. Louis
TRI
Tri-Cities
$317 Roundtrip, found 8 hours ago
$317
Roundtrip
found 8 hours ago
Sun, May 25 - Sat, May 31
STL
St. Louis
TRI
Tri-Cities
$322 Roundtrip, found 8 hours ago
$322
Roundtrip
found 8 hours ago
Sun, May 25 - Sat, May 31
STL
St. Louis
TRI
Tri-Cities
$323 Roundtrip, found 8 hours ago
$323
Roundtrip
found 8 hours ago
Wed, May 28 - Sun, Jun 1
STL
St. Louis
TRI
Tri-Cities
$327 Roundtrip, found 8 hours ago
$327
Roundtrip
found 8 hours ago
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*Available to One Key members.