St. Louis Gateway Arch
STL
Saint Louis
Boston skyline and harbor
BOS
Boston

Saint Louis → Boston

American Airlines · Round Trip · Nonstop

$493

per person · round trip

Book This Deal

Flight Details

Cabin
Economy
Departs
Oct 14, 2026
Returns
Oct 22, 2026

Price History

Avg: $490
Low: $486
High: $493
$480$487$493$500Mar 27Apr 2

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