Cheap flights from St. Louis to South Las Vegas

View AU$212 flight on Sat, 11 Oct. 2025Opens in a new window

Popular airlines from St. Louis to South Las Vegas

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from St. Louis (STL) to South Las Vegas (LAS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 14 Aug. - Mon, 18 Aug.
STL
St. Louis
LAS
Las Vegas
AU$425 Return, found 22 hours ago
AU$425
Return
found 22 hours ago
Select American Airlines flight, departing Thu, 14 Aug. from St. Louis to Las Vegas, returning Mon, 18 Aug., priced at AU$425 found 22 hours ago
Delta
Thu, 14 Aug. - Mon, 18 Aug.
STL
St. Louis
LAS
Las Vegas
AU$425 Return, found 22 hours ago
AU$425
Return
found 22 hours ago
Select Delta flight, departing Thu, 14 Aug. from St. Louis to Las Vegas, returning Mon, 18 Aug., priced at AU$425 found 22 hours ago
American Airlines
Thu, 14 Aug. - Mon, 18 Aug.
STL
St. Louis
LAS
Las Vegas
AU$460 Return, found 22 hours ago
AU$460
Return
found 22 hours ago
Select American Airlines flight, departing Thu, 14 Aug. from St. Louis to Las Vegas, returning Mon, 18 Aug., priced at AU$460 found 22 hours ago
United
Thu, 14 Aug. - Mon, 18 Aug.
STL
St. Louis
LAS
Las Vegas
AU$487 Return, found 22 hours ago
AU$487
Return
found 22 hours ago
Select United flight, departing Thu, 14 Aug. from St. Louis to Las Vegas, returning Mon, 18 Aug., priced at AU$487 found 22 hours ago
American Airlines
Thu, 14 Aug. - Mon, 18 Aug.
STL
St. Louis
LAS
Las Vegas
AU$501 Return, found 22 hours ago
AU$501
Return
found 22 hours ago
Select American Airlines flight, departing Thu, 14 Aug. from St. Louis to Las Vegas, returning Mon, 18 Aug., priced at AU$501 found 22 hours ago
Alaska Airlines
Thu, 11 Sep. - Sun, 14 Sep.
STL
St. Louis
LAS
Las Vegas
AU$526 Return, found 4 days ago
AU$526
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 11 Sep. from St. Louis to Las Vegas, returning Sun, 14 Sep., priced at AU$526 found 4 days ago

Find the cheapest month to fly from St. Louis (STL) to Las Vegas (LAS)

August is typically the cheapest month to fly

From AU$107 - AU$344 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.