Las Vegas to St Louis
LASSTL
Fly from Las Vegas to St Louis starting at USD 158 with Frontier Airlines.
Best fare available on Jun 22, 2026.
Limited seats. Better plans. Book before it's gone.
Las Vegas to St Louis cheapest flights this week
Las Vegas to St Louis monthly flight fare trend
Jun
from USD 92
Jul
No flights
Aug
No flights
Sep
No flights
Oct
No flights
Nov
No flights
Airport Details
Origin
Las Vegas
Harry Reid International Airport (LAS)
Las Vegas, LAS
Zone
Los Angeles
Elev
2181 ft
Destination
St Louis
St. Louis Lambert International Airport (STL)
St Louis, STL
Zone
Chicago
Elev
618 ft
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