Cheap flights from Omaha to Southern Illinois

View AU$145 flight on Sat, 13 Sep. 2025Opens in a new window

Popular airlines from Omaha to Southern Illinois

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    United

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Cheap Flights from Omaha (OMA) 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, 13 Sep. - Sun, 14 Sep.
OMA
Omaha
STL
St. Louis
AU$311 Return, found 2 days ago
AU$311
Return
found 2 days ago
Select Delta flight, departing Sat, 13 Sep. from Omaha to St. Louis, returning Sun, 14 Sep., priced at AU$311 found 2 days ago
Delta
Sat, 13 Sep. - Sun, 14 Sep.
OMA
Omaha
STL
St. Louis
AU$351 Return, found 2 days ago
AU$351
Return
found 2 days ago
Select Delta flight, departing Sat, 13 Sep. from Omaha to St. Louis, returning Sun, 14 Sep., priced at AU$351 found 2 days ago
Delta
Sat, 13 Sep. - Sun, 14 Sep.
OMA
Omaha
STL
St. Louis
AU$404 Return, found 2 days ago
AU$404
Return
found 2 days ago
Select Delta flight, departing Sat, 13 Sep. from Omaha to St. Louis, returning Sun, 14 Sep., priced at AU$404 found 2 days ago
American Airlines
Sat, 13 Sep. - Sun, 14 Sep.
OMA
Omaha
STL
St. Louis
AU$414 Return, found 2 days ago
AU$414
Return
found 2 days ago
Select American Airlines flight, departing Sat, 13 Sep. from Omaha to St. Louis, returning Sun, 14 Sep., priced at AU$414 found 2 days ago
United
Sat, 13 Sep. - Sun, 14 Sep.
OMA
Omaha
STL
St. Louis
AU$507 Return, found 2 days ago
AU$507
Return
found 2 days ago
Select United flight, departing Sat, 13 Sep. from Omaha to St. Louis, returning Sun, 14 Sep., priced at AU$507 found 2 days ago
Alaska Airlines
Sat, 13 Sep. - Sun, 14 Sep.
OMA
Omaha
STL
St. Louis
AU$1,015 Return, found 2 days ago
AU$1,015
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 13 Sep. from Omaha to St. Louis, returning Sun, 14 Sep., priced at AU$1,015 found 2 days ago
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