Cheap flights from Los Angeles to Southern Illinois

View AU$214 flight on Sat, 4 Oct. 2025Opens in a new window

Popular airlines from Los Angeles to Southern Illinois

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Los Angeles (QLA) to Southern 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.

Delta
Sat, 23 Aug. - Sat, 30 Aug.
LAX
Los Angeles
STL
St. Louis
AU$428 Return, found 1 day ago
AU$428
Return
found 1 day ago
Select Delta flight, departing Sat, 23 Aug. from Los Angeles to St. Louis, returning Sat, 30 Aug., priced at AU$428 found 1 day ago
Alaska Airlines
Wed, 27 Aug. - Sat, 30 Aug.
LAX
Los Angeles
STL
St. Louis
AU$431 Return, found 5 days ago
AU$431
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 27 Aug. from Los Angeles to St. Louis, returning Sat, 30 Aug., priced at AU$431 found 5 days ago
American Airlines
Sat, 23 Aug. - Sat, 30 Aug.
LAX
Los Angeles
STL
St. Louis
AU$454 Return, found 1 day ago
AU$454
Return
found 1 day ago
Select American Airlines flight, departing Sat, 23 Aug. from Los Angeles to St. Louis, returning Sat, 30 Aug., priced at AU$454 found 1 day ago
American Airlines
Thu, 28 Aug. - Thu, 4 Sep.
LAX
Los Angeles
STL
St. Louis
AU$456 Return, found 10 hours ago
AU$456
Return
found 10 hours ago
Select American Airlines flight, departing Thu, 28 Aug. from Los Angeles to St. Louis, returning Thu, 4 Sep., priced at AU$456 found 10 hours ago
Delta
Sat, 23 Aug. - Sat, 30 Aug.
LAX
Los Angeles
STL
St. Louis
AU$474 Return, found 1 day ago
AU$474
Return
found 1 day ago
Select Delta flight, departing Sat, 23 Aug. from Los Angeles to St. Louis, returning Sat, 30 Aug., priced at AU$474 found 1 day ago
United
Sat, 23 Aug. - Sat, 30 Aug.
LAX
Los Angeles
STL
St. Louis
AU$498 Return, found 1 day ago
AU$498
Return
found 1 day ago
Select United flight, departing Sat, 23 Aug. from Los Angeles to St. Louis, returning Sat, 30 Aug., priced at AU$498 found 1 day ago
*Available to Expedia members.