Cheap flights from Las Vegas to Southwest Illinois

View AU$213 flight on Mon, 18 Aug. 2025Opens in a new window

Popular airlines from Las Vegas to Southwest Illinois

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Las Vegas (LAS) to Southwest Illinois (STL)

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
Mon, 18 Aug. - Mon, 25 Aug.
LAS
Las Vegas
STL
St. Louis
AU$428 Return, found 6 days ago
AU$428
Return
found 6 days ago
Select American Airlines flight, departing Mon, 18 Aug. from Las Vegas to St. Louis, returning Mon, 25 Aug., priced at AU$428 found 6 days ago
American Airlines
Mon, 18 Aug. - Mon, 25 Aug.
LAS
Las Vegas
STL
St. Louis
AU$505 Return, found 6 days ago
AU$505
Return
found 6 days ago
Select American Airlines flight, departing Mon, 18 Aug. from Las Vegas to St. Louis, returning Mon, 25 Aug., priced at AU$505 found 6 days ago
American Airlines
Mon, 18 Aug. - Mon, 25 Aug.
LAS
Las Vegas
STL
St. Louis
AU$520 Return, found 6 days ago
AU$520
Return
found 6 days ago
Select American Airlines flight, departing Mon, 18 Aug. from Las Vegas to St. Louis, returning Mon, 25 Aug., priced at AU$520 found 6 days ago
United
Mon, 18 Aug. - Mon, 25 Aug.
LAS
Las Vegas
STL
St. Louis
AU$526 Return, found 6 days ago
AU$526
Return
found 6 days ago
Select United flight, departing Mon, 18 Aug. from Las Vegas to St. Louis, returning Mon, 25 Aug., priced at AU$526 found 6 days ago
Delta
Mon, 18 Aug. - Mon, 25 Aug.
LAS
Las Vegas
STL
St. Louis
AU$561 Return, found 6 days ago
AU$561
Return
found 6 days ago
Select Delta flight, departing Mon, 18 Aug. from Las Vegas to St. Louis, returning Mon, 25 Aug., priced at AU$561 found 6 days ago
Alaska Airlines
Mon, 18 Aug. - Mon, 25 Aug.
LAS
Las Vegas
STL
St. Louis
AU$592 Return, found 6 days ago
AU$592
Return
found 6 days ago
Select Alaska Airlines flight, departing Mon, 18 Aug. from Las Vegas to St. Louis, returning Mon, 25 Aug., priced at AU$592 found 6 days ago
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