St. Louis Gateway Arch
STL
Saint Louis
Pittsburgh Pennsylvania skyline
PIT
Pittsburgh

Saint Louis → Pittsburgh

Southwest Airlines · Round Trip · Nonstop

$616

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
Apr 14, 2026
Returns
Apr 14, 2026

Price History

Avg: $500
Low: $383
High: $616
$340$447$553$660Mar 31Apr 1

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