St. Louis (STL) to Las Vegas (LAS) flight deal in economy from $197
STLLambert-Saint Louis International Airport
St. Louis, United States
LASHarry Reid International Airport
Las Vegas, United States
$450 USD
-56%$197 USD
Verified about 10 hours agoNovember 2026
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Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price
Wednesday, November 25th, 2026
1 round-trip options
Returning
Wed, Dec 9, 2026•14 Day Trip
$409 USD