Las Vegas to St Louis
LASSTL
Fly from Las Vegas to St Louis starting at USD 167 with Frontier Airlines.
Best fare available on Oct 7, 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
Sep
No flights
Oct
from USD 167
Nov
No flights
Dec
No flights
Jan
No flights
Feb
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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