How does KAYAK find such low prices on flights from South Dakota to St. Louis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from South Dakota to St. Louis.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from South Dakota to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from South Dakota is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from South Dakota to St. Louis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to South Dakota with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from South Dakota to St. Louis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from South Dakota up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$264 CHEAP FLIGHTS from South Dakota to St. Louis

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Flight Deals

Cheap Flights from South Dakota to St. Louis

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from South Dakota to St. Louis

Thu, Oct 1 - Sat, Oct 3

5:55 pm - 11:43 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

5h 48m1 stop Dallas/Fort Worth

7:27 am - 11:36 amSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

4h 09m1 stop Chicago O'Hare Intl

$299American Airlines

Sat, Oct 17 - Sat, Oct 24

7:39 pm - 12:19 amFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

4h 40m1 stop Chicago O'Hare Intl

5:40 am - 12:13 pmSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

6h 33m1 stop Dallas/Fort Worth

$301American Airlines

Thu, Oct 1 - Sat, Oct 3

12:56 pm - 6:03 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

5h 07m1 stop Dallas/Fort Worth

11:01 am - 8:45 pmSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

9h 44m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$304American Airlines

Sat, Oct 17 - Sat, Oct 24

12:53 pm - 9:13 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

8h 20m2 stops Dallas/Fort Worth Chicago O'Hare Intl

12:46 pm - 7:51 pmSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

7h 05m1 stop Dallas/Fort Worth

$306American Airlines

Sat, Oct 24 - Wed, Oct 28

4:38 pm - 11:21 pmRAP Rapid City-STL Lambert-St Louis

5h 43m1 stop Minneapolis St Paul

12:28 pm - 3:58 pmSTL Lambert-St Louis-RAP Rapid City

4h 30m1 stop Minneapolis St Paul

$319Delta

Sat, Oct 24 - Wed, Oct 28

4:38 pm - 11:21 pmRAP Rapid City-STL Lambert-St Louis

5h 43m1 stop Minneapolis St Paul

12:28 pm - 3:58 pmSTL Lambert-St Louis-RAP Rapid City

4h 30m1 stop Minneapolis St Paul

$339Delta

Tue, Sep 29 - Sat, Oct 3

7:50 am - 2:17 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

6h 27m1 stop Chicago O'Hare Intl

7:01 pm - 11:11 pmSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

4h 10m1 stop Chicago O'Hare Intl

$349United Airlines

Wed, Oct 28 - Sat, Oct 31

1:20 pm - 8:59 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

7h 39m1 stop Denver Intl

1:40 pm - 8:04 pmSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

6h 24m1 stop Denver Intl

$351United Airlines

Mon, Nov 23 - Mon, Nov 30

8:31 am - 12:17 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

3h 46m1 stop Minneapolis St Paul

3:30 pm - 7:06 pmSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

3h 36m1 stop Minneapolis St Paul

$351Delta

Wed, Oct 28 - Sat, Oct 31

7:48 am - 12:10 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

4h 22m1 stop Chicago O'Hare Intl

8:30 am - 2:34 pmSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

6h 04m1 stop Chicago O'Hare Intl

$351United Airlines

Recent last minute flight deals from South Dakota to St. Louis

Sat, Sep 19 - Mon, Sep 21

6:00 am - 12:15 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

6h 15m1 stop Dallas/Fort Worth

5:18 pm - 12:29 amSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

7h 11m1 stop Chicago O'Hare Intl

$369American Airlines

Sat, Sep 19 - Mon, Sep 21

12:56 pm - 12:27 amFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

11h 31m2 stops Dallas/Fort Worth Chicago O'Hare Intl

5:18 pm - 12:29 amSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

7h 11m1 stop Chicago O'Hare Intl

$374American Airlines

Sat, Sep 19 - Mon, Sep 21

6:00 am - 12:15 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

6h 15m1 stop Dallas/Fort Worth

5:18 pm - 12:29 amSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

7h 11m1 stop Chicago O'Hare Intl

$389American Airlines

Tue, Sep 15 - Mon, Sep 21

1:33 pm - 8:38 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

7h 05m1 stop Denver Intl

5:30 pm - 11:12 pmSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

5h 42m1 stop Chicago O'Hare Intl

$390United Airlines

Sat, Sep 19 - Mon, Sep 21

6:00 am - 12:15 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

6h 15m1 stop Dallas/Fort Worth

5:18 pm - 12:29 amSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

7h 11m1 stop Chicago O'Hare Intl

$390American Airlines

Sat, Sep 19 - Mon, Sep 21

12:56 pm - 12:27 amFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

11h 31m2 stops Dallas/Fort Worth Chicago O'Hare Intl

5:18 pm - 12:29 amSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

7h 11m1 stop Chicago O'Hare Intl

$394American Airlines

Tue, Sep 15 - Mon, Sep 21

12:56 pm - 12:27 amFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

11h 31m2 stops Dallas/Fort Worth Chicago O'Hare Intl

3:34 pm - 8:45 pmSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

5h 11m1 stop Dallas/Fort Worth

$395American Airlines

Thu, Sep 17 - Sat, Sep 19

4:41 pm - 11:31 pmRAP Rapid City-STL Lambert-St Louis

5h 50m1 stop Denver Intl

1:36 pm - 5:06 pmSTL Lambert-St Louis-RAP Rapid City

4h 30m1 stop Denver Intl

$409United Airlines

Thu, Sep 17 - Mon, Sep 21

4:41 pm - 11:31 pmRAP Rapid City-STL Lambert-St Louis

5h 50m1 stop Denver Intl

4:40 pm - 8:38 pmSTL Lambert-St Louis-RAP Rapid City

4h 58m1 stop Denver Intl

$444United Airlines

Fri, Sep 18 - Sun, Sep 20

6:07 pm - 12:27 amRAP Rapid City-STL Lambert-St Louis

5h 20m1 stop Chicago O'Hare Intl

5:43 am - 9:47 amSTL Lambert-St Louis-RAP Rapid City

5h 04m1 stop Dallas/Fort Worth

$474American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$264

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly with an average 8% increase in price.

Flight from Sioux Falls to St. Louis

How does KAYAK find such low prices on flights from South Dakota to St. Louis?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from South Dakota to St. Louis.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from South Dakota to St. Louis?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from South Dakota is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from South Dakota to St. Louis?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to South Dakota with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from South Dakota to St. Louis?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from South Dakota up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.