Cheap Flights to Marion County from $23

View $23 flight on Sat, Mar 7, 2026Opens in a new window

Popular airlines to Marion County

  • American Airlines

  • United

  • Southwest Airlines

  • Delta

  • Frontier Airlines

  • JetBlue Airways

  • Alaska Airlines

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How much is the cheapest flight to Marion County?

Prices were available within the past 7 days and start at $23 for one-way flights and $46 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, May 23 - Sat, May 30
ORD
Chicago
STL
St. Louis
$91 Roundtrip, found 23 hours ago
$91
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Sat, May 23 from Chicago to St. Louis, returning Sat, May 30, priced at $91 found 23 hours ago
United
Sat, Mar 7 - Sat, Mar 21
ORD
Chicago
STL
St. Louis
$91 Roundtrip, found 16 hours ago
$91
Roundtrip
found 16 hours ago
Select United flight, departing Sat, Mar 7 from Chicago to St. Louis, returning Sat, Mar 21, priced at $91 found 16 hours ago
American Airlines
Wed, Apr 1 - Tue, Apr 7
ORD
Chicago
STL
St. Louis
$97 Roundtrip, found 1 day ago
$97
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Apr 1 from Chicago to St. Louis, returning Tue, Apr 7, priced at $97 found 1 day ago
United
Wed, May 13 - Tue, May 19
ORD
Chicago
STL
St. Louis
$111 Roundtrip, found 2 days ago
$111
Roundtrip
found 2 days ago
Select United flight, departing Wed, May 13 from Chicago to St. Louis, returning Tue, May 19, priced at $111 found 2 days ago
Southwest Airlines
Tue, Apr 21 - Wed, Apr 22
ORD
Chicago
STL
St. Louis
$117 Roundtrip, found 1 day ago
$117
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Apr 21 from Chicago to St. Louis, returning Wed, Apr 22, priced at $117 found 1 day ago
Contour Airlines
Wed, Mar 18 - Wed, Mar 18
ORD
Chicago
MWA
Marion
$133 Roundtrip, just found
$133
Roundtrip
just found
Select Contour Airlines flight, departing Wed, Mar 18 from Chicago to Marion, returning Wed, Mar 18, priced at $133 just found
Frontier Airlines
Mon, Feb 23 - Wed, Feb 25
ORD
Chicago
STL
St. Louis
$148 Roundtrip, found 1 day ago
$148
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Feb 23 from Chicago to St. Louis, returning Wed, Feb 25, priced at $148 found 1 day ago
United
Sun, Feb 15 - Sun, Feb 22
ORD
Chicago
DEC
Decatur
$149 Roundtrip, just found
$149
Roundtrip
just found
Select United flight, departing Sun, Feb 15 from Chicago to Decatur, returning Sun, Feb 22, priced at $149 just found
Delta
Tue, Apr 21 - Wed, Apr 22
ORD
Chicago
STL
St. Louis
$157 Roundtrip, found 1 day ago
$157
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Apr 21 from Chicago to St. Louis, returning Wed, Apr 22, priced at $157 found 1 day ago
Frontier Airlines
Thu, Feb 19 - Wed, Feb 25
MEM
Memphis
STL
St. Louis
$164 Roundtrip, found 1 day ago
$164
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Feb 19 from Memphis to St. Louis, returning Wed, Feb 25, priced at $164 found 1 day ago

Enjoy extra legroom, flight flexibility, and a seamless travel experience.

*Flight schedules are subject to change.

*Flight schedules are subject to change.

Trending flights to Marion County

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Mar 7 - Sat, Mar 7
DEN
Denver
STL
St. Louis
$46 Roundtrip, found 3 hours ago
$46
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Sat, Mar 7 from Denver to St. Louis, returning Sat, Mar 7, priced at $46 found 3 hours ago
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