Flights to The Dakotas from St. Louis - $100

View $100 flight on Sat, Aug 30, 2025Opens in a new window

Popular airlines from St. Louis to The Dakotas

  • United

    United

  • Delta

    Delta

  • American Airlines

    American Airlines

  • Frontier Airlines

    Frontier Airlines

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Cheap Flights from St. Louis to The Dakotas (STL-FSD)

Prices were available within the past 7 days and start at $100 for one-way flights and $198 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, Sep 24 - Fri, Sep 26
STL
St. Louis
FAR
Fargo
$198 Roundtrip, found 3 hours ago
$198
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Wed, Sep 24 from St. Louis to Fargo, returning Fri, Sep 26, priced at $198 found 3 hours ago
Frontier Airlines
Sat, Sep 13 - Mon, Sep 15
STL
St. Louis
FSD
Sioux Falls
$198 Roundtrip, found 11 hours ago
$198
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Sat, Sep 13 from St. Louis to Sioux Falls, returning Mon, Sep 15, priced at $198 found 11 hours ago
Frontier Airlines
Thu, Sep 11 - Sun, Sep 14
STL
St. Louis
FSD
Sioux Falls
$208 Roundtrip, found 11 hours ago
$208
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Thu, Sep 11 from St. Louis to Sioux Falls, returning Sun, Sep 14, priced at $208 found 11 hours ago
American Airlines
Sat, Aug 30 - Tue, Sep 2
STL
St. Louis
FSD
Sioux Falls
$214 Roundtrip, found 4 days ago
$214
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 30 from St. Louis to Sioux Falls, returning Tue, Sep 2, priced at $214 found 4 days ago
United
Sat, Aug 30 - Tue, Sep 2
STL
St. Louis
FSD
Sioux Falls
$214 Roundtrip, found 4 days ago
$214
Roundtrip
found 4 days ago
Select United flight, departing Sat, Aug 30 from St. Louis to Sioux Falls, returning Tue, Sep 2, priced at $214 found 4 days ago
Delta
Sat, Aug 30 - Tue, Sep 2
STL
St. Louis
FSD
Sioux Falls
$227 Roundtrip, found 4 days ago
$227
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Aug 30 from St. Louis to Sioux Falls, returning Tue, Sep 2, priced at $227 found 4 days ago

Find the cheapest month to fly from St. Louis (STL) to Rapid City (RAP)

September is typically the cheapest month to fly

From $248 - $486 per traveler.

Graph displaying average flight prices per month

*Available to One Key members.