Flights to Eastern South Dakota from St. Louis - $100

View $100 flight on Sun, Aug 31, 2025Opens in a new window

Popular airlines from St. Louis to Eastern South Dakota

  • United

    United

  • Delta

    Delta

  • American Airlines

    American Airlines

  • Frontier Airlines

    Frontier Airlines

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Cheap Flights from St. Louis to Eastern South Dakota (STL-FSD)

Prices were available within the past 7 days and start at $100 for one-way flights and $188 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Aug 13 - Wed, Aug 20
STL
St. Louis
FSD
Sioux Falls
$188 Roundtrip, found 1 hour ago
$188
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Aug 13 from St. Louis to Sioux Falls, returning Wed, Aug 20, priced at $188 found 1 hour ago
Frontier Airlines
Wed, Aug 13 - Fri, Aug 15
STL
St. Louis
FSD
Sioux Falls
$198 Roundtrip, found 1 hour ago
$198
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Aug 13 from St. Louis to Sioux Falls, returning Fri, Aug 15, priced at $198 found 1 hour ago
Delta
Sat, Aug 30 - Sun, Aug 31
STL
St. Louis
FSD
Sioux Falls
$199 Roundtrip, found 2 days ago
$199
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Aug 30 from St. Louis to Sioux Falls, returning Sun, Aug 31, priced at $199 found 2 days ago
Frontier Airlines
Sun, Sep 7 - Fri, Sep 12
STL
St. Louis
FSD
Sioux Falls
$208 Roundtrip, found 6 hours ago
$208
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Sun, Sep 7 from St. Louis to Sioux Falls, returning Fri, Sep 12, priced at $208 found 6 hours ago
United
Fri, Aug 22 - Sun, Aug 24
STL
St. Louis
SUX
Sioux City
$214 Roundtrip, found 10 hours ago
$214
Roundtrip
found 10 hours ago
Select United flight, departing Fri, Aug 22 from St. Louis to Sioux City, returning Sun, Aug 24, priced at $214 found 10 hours ago
American Airlines
Wed, Oct 29 - Fri, Oct 31
STL
St. Louis
FSD
Sioux Falls
$225 Roundtrip, found 2 hours ago
$225
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Oct 29 from St. Louis to Sioux Falls, returning Fri, Oct 31, priced at $225 found 2 hours ago

Find the cheapest month to fly from St. Louis (STL) to Sioux Falls (FSD)

November is typically the cheapest month to fly

From $169 - $517 per traveler.

Graph displaying average flight prices per month

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sioux Falls Regional FSD. Cheapest option available. Flights from $234
FSD
Sioux Falls Regional
Cheapest
Flights from $234
Select flight to Sioux Gateway SUX. Flights from $279
SUX
Sioux Gateway
Flights from $279
Select flight to Aberdeen Regional ABR. Flights from $362
ABR
Aberdeen Regional
Flights from $362
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