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Home / St Louis — Sioux Falls

Cheap flights St Louis — Sioux Falls

St Louis (STL, US) Sioux Falls (FSD, US)
from $354 773 km ~1h 25m 2 flights found 2 airlines cheapest on Friday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $354 on 15.11.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Prices found for 1 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
15 Nov 2026, Sun
Southern Airways Express 9X 457
23:00
STL Lambert-St. Louis International Airport
04:12
FSD Sioux Falls Regional Airport (Joe Foss Field)
5h 12m 2 stops
Kiwi.com
$354
View this ticket
Route characteristics
Distance
773 km
Flight time
1h 25m
Time difference
+0h
Minimum price
from $354 (15.11.2026)
Average price
$354
Maximum price
$354
Cheapest day
Friday
Departure airports (1)
STL Lambert-St. Louis International Airport
Arrival airports (1)
FSD Sioux Falls Regional Airport (Joe Foss Field)
Airlines (2)
F9 Frontier Airlines 9X Southern Airways Express
Agencies (1)
Kiwi.com
Airlines — cheapest prices 2
Frontier Airlines
Frontier Airlines
Low-cost 1 flights · 1 days
$348
Southern Airways Express
Southern Airways Express
1 flights · 1 days
$354
Where to buy tickets 1
Kiwi.com
2 tickets · 2 days
from $348
Airports

From — St Louis (1)

  • STL Lambert-St. Louis International Airport

To — Sioux Falls (1)

  • FSD Sioux Falls Regional Airport (Joe Foss Field)
Other destinations from St Louis
Burlington
US
Decatur
US
Jonesboro
US
Cape Girardeau
US
Kirksville
US
Marion
US
Owensboro
US
Fort Leonard Wood
US
Quincy
US
Dallas
US · Hub
Los Angeles
US · Hub
Miami
US · Hub
Frequently asked questions about the route St Louis — Sioux Falls
How long is the flight from St Louis to Sioux Falls?
Approximate flight time — 1h 25m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from St Louis to Sioux Falls?
The straight-line distance — 773 km.
How much do flights from St Louis to Sioux Falls cost?
The minimum price over 3 months — from $354 on 15.11.2026.
What is the average ticket price?
The average price — $354. Range: $354 — $354.
What is the time difference between St Louis and Sioux Falls?
The difference — +0h.
From which airports does St Louis operate flights?
From St Louis: STL (Lambert-St. Louis International Airport).
To which airports in Sioux Falls do flights arrive?
To Sioux Falls: FSD (Sioux Falls Regional Airport (Joe Foss Field)).
Which airlines fly this route?
This route is served by 2 airlines: Frontier Airlines, Southern Airways Express.
Which day of the week is cheapest?
The cheapest day of the week — Friday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route St Louis — Sioux Falls

Flights St Louis — Sioux Falls is a popular route. The straight-line distance is 773 km. Flight time 1h 25m. Time difference +0h.

From St Louis (STL) flights depart from 1 airport: STL. To Sioux Falls (FSD) — 1 arrival airport: FSD.

2 airlines operate on this route: Frontier Airlines, Southern Airways Express.

The minimum price for the next 3 months — from $354 (15.11.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $354, ranging from $354 to $354. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Friday.

Other destinations in United States from St Louis
Burlington
US
Decatur
US
Jonesboro
US
Cape Girardeau
US
Kirksville
US
Marion
US
Owensboro
US
Fort Leonard Wood
US

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