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

FSD — STL
Dec 13 — Dec 201

How to find the cheapest flight from Sioux Falls (FSD) to St. Louis (STL)

All the information you need to plan the best FSD to STL flight in 2022: compare Sioux Falls to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.

FSD - STL

Price

$256 - $817

STL

Temperature

32 - 80.6 °F

STL

Rainfall

2.2 - 4.7 inches

Popular inOctoberHigh demand for flights, 39% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 48% potential price drop
Average price$478Average for round-trip flights in December 2022
Round-trip from$256From Sioux Falls Joe Foss Field to Lambert-St Louis

What is the cheapest day to fly round-trip from Sioux Falls to St. Louis?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 100% on your flight compared to booking on days when demand is much higher.

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

The best pricing can be found in the month of January. Prices to St. Louis from Sioux Falls average $495. You can even find prices in January for less than $495, as users have found deals to St. Louis from as low as $256. The month of October appears to be one of the more expensive times to travel to St. Louis from Sioux Falls. Flying in the targeted month can save you up to 65%.

When is the cheapest time to fly from Sioux Falls to St. Louis (FSD - STL)?

It’s typically best to fly out from Sioux Falls to St. Louis in the afternoon. Doing so could potentially save you 4% on the flight price compared to flying at noon, which is usually more expensive.

Cheap flights from Sioux Falls to St. Louis in December, January 2022

The best prices found for FSD to STL flights for December, January
Jan 18 - Jan 24
FSD

Sioux Falls Joe Foss Field

STL

Lambert-St Louis

1 stop

5h 57m
STL

Lambert-St Louis

FSD

Sioux Falls Joe Foss Field

1 stop

6h 15m
$256

Delta

Pick Dates

Deal found 12/5

Jan 18 - Jan 24
FSD

Sioux Falls Joe Foss Field

STL

Lambert-St Louis

1 stop

4h 04m
STL

Lambert-St Louis

FSD

Sioux Falls Joe Foss Field

2 stops

13h 59m
$284

United Airlines

Pick Dates

Deal found 12/5

Dec 29 - Dec 31
FSD

Sioux Falls Joe Foss Field

STL

Lambert-St Louis

1 stop

5h 31m
STL

Lambert-St Louis

FSD

Sioux Falls Joe Foss Field

1 stop

15h 48m
$335

Multiple Airlines

Pick Dates

Deal found 12/7

Sioux Falls to St. Louis 2022 flight deals

Cheap flights to St. Louis from Sioux Falls found for this year
Dec 29 - Dec 31
FSD

Sioux Falls Joe Foss Field

STL

Lambert-St Louis

1 stop

5h 31m
STL

Lambert-St Louis

FSD

Sioux Falls Joe Foss Field

1 stop

15h 48m
$335

Multiple Airlines

Pick Dates

Deal found 12/7

Dec 8 - Dec 15
FSD

Sioux Falls Joe Foss Field

STL

Lambert-St Louis

1 stop

21h 22m
STL

Lambert-St Louis

FSD

Sioux Falls Joe Foss Field

1 stop

6h 39m
$465

Multiple Airlines

Pick Dates

Deal found 12/7

Dec 9 - Dec 15
FSD

Sioux Falls Joe Foss Field

STL

Lambert-St Louis

1 stop

5h 20m
STL

Lambert-St Louis

FSD

Sioux Falls Joe Foss Field

1 stop

6h 39m
$528

Delta

Pick Dates

Deal found 12/8

Cheap Delta flights from Sioux Falls to St. Louis

Jan 18 - Jan 24
FSD

Sioux Falls Joe Foss Field

STL

Lambert-St Louis

1 stop

5h 57m
STL

Lambert-St Louis

FSD

Sioux Falls Joe Foss Field

1 stop

6h 15m
$256

Delta

Pick Dates

Deal found 12/5

Feb 15 - Feb 21
FSD

Sioux Falls Joe Foss Field

STL

Lambert-St Louis

1 stop

4h 15m
STL

Lambert-St Louis

FSD

Sioux Falls Joe Foss Field

1 stop

6h 01m
$307

Delta

Pick Dates

Deal found 12/5

Cheap United Airlines flights from Sioux Falls to St. Louis

Jan 18 - Jan 24
FSD

Sioux Falls Joe Foss Field

STL

Lambert-St Louis

1 stop

4h 04m
STL

Lambert-St Louis

FSD

Sioux Falls Joe Foss Field

2 stops

13h 59m
$284

United Airlines

Pick Dates

Deal found 12/5

Jun 3 - Jun 10
FSD

Sioux Falls Joe Foss Field

STL

Lambert-St Louis

1 stop

5h 56m
STL

Lambert-St Louis

FSD

Sioux Falls Joe Foss Field

1 stop

3h 53m
$398

United Airlines

Pick Dates

Deal found 12/7

Feb 15 - Feb 21
FSD

Sioux Falls Joe Foss Field

STL

Lambert-St Louis

2 stops

15h 15m
STL

Lambert-St Louis

FSD

Sioux Falls Joe Foss Field

2 stops

29h 53m
$409

United Airlines

Pick Dates

Deal found 12/5

One-way flights to St. Louis from Sioux Falls

The cheapest one-way flights from Sioux Falls to St. Louis
Dec 14
FSD

Sioux Falls Joe Foss Field

STL

Lambert-St Louis

2 stops

16h 03m
$277

American Airlines

Pick Dates

Deal found 12/6

Dec 22
FSD

Sioux Falls Joe Foss Field

STL

Lambert-St Louis

1 stop

3h 49m
$279

American Airlines

Pick Dates

Deal found 12/8

Dec 14
FSD

Sioux Falls Joe Foss Field

STL

Lambert-St Louis

1 stop

25h 07m
$298

American Airlines

Pick Dates

Deal found 12/6

Related info for your journey

Useful info, stats and facts about Sioux Falls to St. Louis flights.

Which airlines flying from Sioux Falls Joe Foss Field to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Sioux Falls Joe Foss Field to Lambert-St Louis that may be offering flexible cancellation policies are Delta, United Airlines, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Sioux Falls to St. Louis for under $300 on Cheapflights?

Yes, there are multiple flights from Sioux Falls to St. Louis for under $300. The cheapest flight booked recently is on Delta for just $256, but on average you can expect to pay $538.

What are the cheapest airlines flying from Sioux Falls to St. Louis round-trip?

Our cheapest airline available from Sioux Falls to St. Louis is Delta. Our recent data shows that you can find tickets from as low as $256 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $284 and $340 round-trip. Delta is currently priced 48% below the average price you’ll pay for this route.

What are the most popular airlines that fly from Sioux Falls to St. Louis?

American Airlines, Delta and United Airlines are the most popular airlines when flying from Sioux Falls to St. Louis.

What are the cheapest flights from Sioux Falls to St. Louis?

Looking at all options, your cheapest flight can be booked for $229. While the most popular route (Sioux Falls Joe Foss Field - Lambert-St Louis) can be booked for $256 on average our data indicates $600 when flying from Sioux Falls to St. Louis.

Alternative routes for Sioux Falls to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Sioux Falls to St. Louis

The chart below displays the airlines Cheapflights users traveling from Sioux Falls to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
DeltaCheapest$252Average$458FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$338Average$493FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$357Average$487FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights