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.

$160 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

Sun, Nov 22 - Mon, Nov 23

7:36 pm - 12:01 amFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

4h 25m1 stop Chicago O'Hare Intl

5:29 pm - 12:44 amSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

7h 15m1 stop Chicago O'Hare Intl

$319American Airlines

Wed, Nov 25 - Wed, Dec 2

7:36 pm - 12:01 amFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

4h 25m1 stop Chicago O'Hare Intl

10:25 am - 5:27 pmSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

7h 02m1 stop Dallas/Fort Worth

$319American Airlines

Mon, Nov 23 - Mon, Nov 30

8:31 am - 2:41 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

6h 10m1 stop Minneapolis St Paul

12:28 pm - 7:06 pmSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

6h 38m1 stop Minneapolis St Paul

$319Delta

Tue, Nov 24 - Sun, Nov 29

8:31 am - 2:41 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

6h 10m1 stop Minneapolis St Paul

6:13 am - 10:20 amSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

4h 07m1 stop Minneapolis St Paul

$319Delta

Fri, Nov 20 - Sun, Nov 22

5:53 pm - 11:35 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

5h 42m1 stop Dallas/Fort Worth

5:00 am - 12:33 pmSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

7h 33m1 stop Dallas/Fort Worth

$319American Airlines

Thu, Nov 12 - Mon, Nov 16

9:32 am - 4:57 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

7h 25m1 stop Denver Intl

6:50 pm - 11:29 pmSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

4h 39m1 stop Chicago O'Hare Intl

$349United Airlines

Wed, Nov 11 - Sun, Nov 15

7:00 am - 12:38 pmRAP Rapid City-STL Lambert-St Louis

4h 38m1 stop Denver Intl

6:00 am - 10:31 amSTL Lambert-St Louis-RAP Rapid City

5h 31m1 stop Chicago O'Hare Intl

$369United Airlines

Thu, Nov 12 - Sun, Nov 15

6:40 pm - 11:24 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

4h 44m1 stop Chicago O'Hare Intl

6:50 pm - 11:29 pmSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

4h 39m1 stop Chicago O'Hare Intl

$397United Airlines

Thu, Mar 18 - Sun, Mar 21

8:15 am - 2:31 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

6h 16m1 stop Minneapolis St Paul

6:30 am - 10:05 amSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

3h 35m1 stop Minneapolis St Paul

$399Delta

Wed, Nov 25 - Wed, Dec 2

11:31 am - 4:20 pmFSD Sioux Falls Joe Foss Field-STL Lambert-St Louis

28h 49m1 stop Las Vegas Harry Reid Intl

12:05 pm - 9:55 amSTL Lambert-St Louis-FSD Sioux Falls Joe Foss Field

45h 50m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

$509Multiple Airlines

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

Sat, Oct 31 - Tue, Nov 3

6:39 am - 2:45 pmRAP Rapid City-STL Lambert-St Louis

7h 06m1 stop Minneapolis St Paul

6:21 am - 10:45 amSTL Lambert-St Louis-RAP Rapid City

5h 24m1 stop Minneapolis St Paul

$444Delta

Sat, Oct 31 - Mon, Nov 2

6:00 am - 2:30 pmRAP Rapid City-STL Lambert-St Louis

7h 30m1 stop Dallas/Fort Worth

5:54 am - 12:39 pmSTL Lambert-St Louis-RAP Rapid City

7h 45m1 stop Dallas/Fort Worth

$544American Airlines

Sat, Oct 31 - Sun, Nov 1

12:39 pm - 8:59 pmRAP Rapid City-STL Lambert-St Louis

7h 20m1 stop Denver Intl

6:00 am - 10:31 amSTL Lambert-St Louis-RAP Rapid City

5h 31m1 stop Chicago O'Hare Intl

$544United Airlines

Sat, Oct 31 - Wed, Nov 4

1:30 pm - 9:40 pmRAP Rapid City-STL Lambert-St Louis

7h 10m1 stop Chicago O'Hare Intl

5:00 am - 10:31 amSTL Lambert-St Louis-RAP Rapid City

6h 31m1 stop Chicago O'Hare Intl

$544United Airlines

Sat, Oct 31 - Wed, Nov 4

6:00 am - 12:02 pmRAP Rapid City-STL Lambert-St Louis

5h 02m1 stop Dallas/Fort Worth

11:35 am - 9:27 pmSTL Lambert-St Louis-RAP Rapid City

10h 52m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$549American Airlines

Sat, Oct 31 - Mon, Nov 2

7:00 am - 12:38 pmRAP Rapid City-STL Lambert-St Louis

4h 38m1 stop Denver Intl

1:08 pm - 8:43 pmSTL Lambert-St Louis-RAP Rapid City

8h 35m2 stops Chicago O'Hare Intl Denver Intl

$549United Airlines

Sat, Oct 31 - Sun, Nov 1

7:00 am - 12:38 pmRAP Rapid City-STL Lambert-St Louis

4h 38m1 stop Denver Intl

6:00 am - 12:48 pmSTL Lambert-St Louis-RAP Rapid City

7h 48m2 stops Chicago O'Hare Intl Denver Intl

$549United Airlines

Sat, Oct 31 - Wed, Nov 4

10:24 am - 9:13 pmRAP Rapid City-STL Lambert-St Louis

9h 49m2 stops Dallas/Fort Worth Chicago O'Hare Intl

11:35 am - 9:27 pmSTL Lambert-St Louis-RAP Rapid City

10h 52m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$554American Airlines

Sat, Oct 31 - Tue, Nov 3

10:24 am - 9:13 pmRAP Rapid City-STL Lambert-St Louis

9h 49m2 stops Dallas/Fort Worth Chicago O'Hare Intl

11:35 am - 9:27 pmSTL Lambert-St Louis-RAP Rapid City

10h 52m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$554American Airlines

Sat, Oct 31 - Mon, Nov 2

10:24 am - 9:13 pmRAP Rapid City-STL Lambert-St Louis

9h 49m2 stops Dallas/Fort Worth Chicago O'Hare Intl

11:35 am - 9:27 pmSTL Lambert-St Louis-RAP Rapid City

10h 52m2 stops Chicago O'Hare Intl Dallas/Fort Worth

$583American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$160

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly with an average 5% 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.