FSD - STL

$264 Find Cheap Flights from Sioux Falls to St. Louis - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$301
Typical prices: $308-$454
American Airlines
Wed 10/17Wed 10/24
FSD - STL • 1 stop
Cheapest one-way
$264
Typical prices: $257-$428
American Airlines
Tue 10/9
FSD - STL • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Sioux Falls and St. Louis. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
December
Cheapest • 20% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $243 (round-trip)
Minneapolis St Paul (MSP)
Shortest trip • 4h 18m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Sioux Falls to St. Louis (FSD-STL)

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

Recent round-trip flight deals from Sioux Falls to St. Louis

Thu, Oct 1 - Sat, Oct 3
American Airlines Logo
5:55 pm - 11:43 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
5h 48m1 stop Dallas/Fort Worth
American Airlines Logo
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
American Airlines Logo
7:39 pm - 12:19 amFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
4h 40m1 stop Chicago O'Hare Intl
American Airlines Logo
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
American Airlines Logo
12:56 pm - 6:03 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
5h 07m1 stop Dallas/Fort Worth
American Airlines Logo
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
American Airlines Logo
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
American Airlines Logo
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 17 - Sat, Oct 24
American Airlines Logo
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
American Airlines Logo
11:31 am - 7:51 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
8h 20m2 stops Chicago O'Hare Intl Dallas/Fort Worth
$311American Airlines
Tue, Sep 29 - Sat, Oct 3
United Airlines Logo
7:50 am - 2:17 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
6h 27m1 stop Chicago O'Hare Intl
United Airlines Logo
7:01 pm - 11:11 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
4h 10m1 stop Chicago O'Hare Intl
$349United Airlines
Mon, Nov 23 - Mon, Nov 30
Delta Logo
8:31 am - 12:17 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
3h 46m1 stop Minneapolis St Paul
Delta Logo
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
United Airlines Logo
1:20 pm - 8:59 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
7h 39m1 stop Denver Intl
United Airlines Logo
1:40 pm - 8:04 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
6h 24m1 stop Denver Intl
$351United Airlines
Wed, Oct 28 - Sat, Oct 31
United Airlines Logo
7:48 am - 12:10 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
4h 22m1 stop Chicago O'Hare Intl
United Airlines Logo
8:30 am - 2:34 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
6h 04m1 stop Chicago O'Hare Intl
$351United Airlines
Wed, Oct 28 - Sat, Oct 31
United Airlines Logo
1:20 pm - 8:59 pmFSD  Sioux Falls Joe Foss Field-STL Lambert-St Louis
7h 39m1 stop Denver Intl
United Airlines Logo
1:40 pm - 8:04 pmSTL  Lambert-St Louis-FSD Sioux Falls Joe Foss Field
6h 24m1 stop Denver Intl
$371United Airlines
Booking Insights

Price, demand and travel trends for Sioux Falls to St. Louis flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Sioux Falls to St. Louis with more confidence.

How much is a round-trip flight from Sioux Falls to St. Louis?

Round-trip flights from Sioux Falls to St. Louis start at $301. Prices are below average for this route right now, with typical round-trip fares ranging from $308 to $454. The lowest price found in the past 5 days was $301 on American Airlines.

What's the cheapest day of the week to fly from Sioux Falls to St. Louis?

Monday is the cheapest day of the week to fly from Sioux Falls to St. Louis, it is 27% cheaper than the average day. Sunday is the most expensive day with flight prices 52% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Sioux Falls to St. Louis?

  • December is the cheapest month to fly from Sioux Falls to St. Louis at $302 round-trip.
  • June ($617) and August ($575) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 104% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Sioux Falls to St. Louis flights

Low season

June

Cheapest flight

$264
Best time to beat the crowds but there is an average 63% increase in price.
Most popular time to fly with an average 3% increase in price.
Flight from Sioux Falls to St. Louis

When to book flights from Sioux Falls to St. Louis

Are your dates flexible? Find out the best times to travel from Sioux Falls to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Sioux Falls to St. Louis flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Sioux Falls to St. Louis?

    Flights from Sioux Falls to St. Louis usually depart from Sioux Falls Joe Foss Field (FSD) and arrive at Lambert-St Louis (STL).

  • What cabin classes can I book on flights from Sioux Falls to St. Louis?

    Two cabin classes are available on flights from Sioux Falls to St. Louis:

    • Economy Class
    • Business Class

  • Which airports do connecting flights from Sioux Falls to St. Louis pass through?

    One-stop flights from Sioux Falls to St. Louis most commonly connect through:

    • Minneapolis St Paul (MSP) - 57% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 36% of one-stop connections
    • Denver Intl (DEN) - 4% of one-stop connections
    • Dallas/Fort Worth (DFW) - 2% of one-stop connections

    Minneapolis St Paul (MSP) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Sioux Falls to St. Louis?

    Yes. Being flexible with your travel dates can save you up to 52% on the Sioux Falls to St. Louis route. Monday is the cheapest departure day at $278 round-trip on average, while Sunday is the most expensive at $576, a difference of $298. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in St. Louis?

    Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.

  • How long is a flight from Sioux Falls to St. Louis?

    A nonstop flight from Sioux Falls to St. Louis takes 0h 00m, covering 470 miles.

  • Do I need a passport to fly from Sioux Falls to St. Louis?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Sioux Falls to St. Louis changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $301 to $1,082. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Sioux Falls to St. Louis looking right now?

    One-way fares from Sioux Falls to St. Louis are currently higher than usual. Average one-way flight prices are about $381, which is 20% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Sioux Falls to St. Louis?

    Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 4h 18m, compared with 4h 39m via Chicago O'Hare Intl (ORD) and 5h 06m via Denver Intl (DEN).

  • What car rental options are available at Lambert-St Louis Airport (STL)?

    Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
    • Hertz
    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Payless

  • How much should I expect to pay for a Sioux Falls to St. Louis flight?

    Round-trip flights from Sioux Falls to St. Louis range from $308 to $454, with an average of $378 over the past 12 months. Anything below $308 counts as a good deal.

Your guide to booking Sioux Falls to St. Louis flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Sunday. On this route, Monday flights average $278 - about $298 less than Sunday (52% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Sioux Falls to St. Louis trip for December. Fares historically average $302 round-trip in that month - typically $315 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.
    - Drury Inn & Suites St. Louis Airport
    - Renaissance St. Louis Airport Hotel
    - DoubleTree by Hilton St. Louis Airport

More options for your flight from Sioux Falls to St. Louis

Complete your trip to St. Louis with a hotel stay or car rental

Car rentals in St. Louis
Hotels in St. Louis
Vacations in St. Louis