Cheap flights from Sioux Falls to St. Louis (FSD - STL) from $59

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
FSD — STL
May 1 — May 81

The best prices from Sioux Falls Joe Foss Field to Lambert-St Louis are usually found in August or September, booked 26 days in advance, depart on a Saturday or Wednesday and return on a Saturday

Cheap flight deals from Sioux Falls to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated Nisan 26, 2024.

Popular in

October

Cheapest in

August

Round-trip from

$323

One-way from

$130
High demand for flights, 25% potential price rise
Best time to find cheap flights, 33% potential price drop
From Sioux Falls Joe Foss Field to Lambert-St Louis
One-way flight from 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 Friday can be a cost-effective option. It’s possible to save up to 120% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Sioux Falls to St. Louis?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 27 days in advance, which can save you up to 173% on flights from Sioux Falls to St. Louis compared to booking the week you need them. Waiting 27 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $374. For sooner than that we have options available in the next 3 days from $539.

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

The best pricing can be found in the month of August. Prices to St. Louis from Sioux Falls average $473. You can even find prices in August for less than $473, as users have found deals to St. Louis from as low as $203. 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 33%.

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 at noon. Doing so could potentially save you 36% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Delta flights from Sioux Falls to St. Louis

Explore cheap flight options specifically provided by Delta for the route between Sioux Falls and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated Nisan 26, 2024.
Take a peek at the cheapest Delta flights we've detected traveling from Sioux Falls to St. Louis. Make sure to check back often as deals are often changing.
Cmt 5/44:09 pmFSD - STL
1 stop5h 08mDelta
Sal 5/76:11 amSTL - FSD
1 stop4h 04mDelta
Deal found 4/25$246
Sal 6/114:09 pmFSD - STL
1 stop5h 46mDelta
Per 6/136:06 amSTL - FSD
1 stop4h 11mDelta
Deal found 4/25$468
Cmt 5/44:09 pmFSD - STL
1 stop5h 08mDelta
Sal 5/712:00 pmSTL - FSD
2 stops10h 53mDelta
Deal found 4/25$593

Cheap United Airlines flights from Sioux Falls to St. Louis

Explore cheap flight options specifically provided by United Airlines for the route between Sioux Falls and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated Nisan 26, 2024.
Take a gander at the lowest prices we've found on United Airlines flights from Sioux Falls to St. Louis. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Cmt 5/49:10 amFSD - STL
2 stops12h 39mUnited Airlines
Sal 5/75:25 pmSTL - FSD
1 stop4h 28mUnited Airlines
Deal found 4/24$416
Sal 6/1111:14 amFSD - STL
1 stop4h 27mUnited Airlines
Per 6/136:15 amSTL - FSD
2 stops28h 18mUnited Airlines
Deal found 4/25$676

Cheap Sioux Falls to St. Louis flights in April & May 2024

Find cheap flight options from Sioux Falls to St. Louis specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Prices were last updated on Nisan 26, 2024.
Listed are some of the best fares we've found on flights departing from Sioux Falls to St. Louis in 2024. Check back regularly for other flight deals.
Cmt 5/44:09 pmFSD - STL
1 stop5h 08mDelta
Sal 5/76:11 amSTL - FSD
1 stop4h 04mDelta
Deal found 4/25$246
Cmt 5/49:10 amFSD - STL
2 stops12h 39mUnited Airlines
Sal 5/75:25 pmSTL - FSD
1 stop4h 28mUnited Airlines
Deal found 4/24$416
Cmt 5/44:09 pmFSD - STL
1 stop5h 08mDelta
Sal 5/712:00 pmSTL - FSD
2 stops10h 53mDelta
Deal found 4/25$593

Sioux Falls to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Sioux Falls and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated Nisan 26, 2024.
Listed are some of the best fares we've found on flights departing from Sioux Falls to St. Louis in 2024. Check back regularly for other flight deals.
Cmt 5/44:09 pmFSD - STL
1 stop5h 08mDelta
Sal 5/76:11 amSTL - FSD
1 stop4h 04mDelta
Deal found 4/25$246
Cmt 6/85:43 pmFSD - STL
1 stop20h 54mFrontier
Per 6/133:32 pmSTL - FSD
1 stop21h 03mFrontier
Deal found 4/25$359
Cmt 5/49:10 amFSD - STL
2 stops12h 39mUnited Airlines
Sal 5/75:25 pmSTL - FSD
1 stop4h 28mUnited Airlines
Deal found 4/24$416
Sal 6/114:09 pmFSD - STL
1 stop5h 46mDelta
Per 6/136:06 amSTL - FSD
1 stop4h 11mDelta
Deal found 4/25$468
Cmt 6/85:44 amFSD - STL
2 stops11h 04mAmerican Airlines
Per 6/136:08 pmSTL - FSD
1 stop15h 59mAmerican Airlines
Deal found 4/25$571
Cmt 5/44:09 pmFSD - STL
1 stop5h 08mDelta
Sal 5/712:00 pmSTL - FSD
2 stops10h 53mDelta
Deal found 4/25$593
Sal 6/1111:14 amFSD - STL
1 stop4h 27mUnited Airlines
Per 6/136:15 amSTL - FSD
2 stops28h 18mUnited Airlines
Deal found 4/25$676
Sal 6/115:44 amFSD - STL
2 stops11h 04mAmerican Airlines
Per 6/131:47 pmSTL - FSD
2 stops7h 36mAmerican Airlines
Deal found 4/25$1,116

Sioux Falls to St. Louis flights leaving soon

Find last-minute flight options from Sioux Falls to St. Louis for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated Nisan 26, 2024.
Have a look at some of the flights available from Sioux Falls to St. Louis departing last-minute. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Cmt 5/44:09 pmFSD - STL
1 stop5h 08mDelta
Sal 5/76:11 amSTL - FSD
1 stop4h 04mDelta
Deal found 4/25$246
Cmt 5/49:10 amFSD - STL
2 stops12h 39mUnited Airlines
Sal 5/75:25 pmSTL - FSD
1 stop4h 28mUnited Airlines
Deal found 4/24$416
Cmt 5/44:09 pmFSD - STL
1 stop5h 08mDelta
Sal 5/712:00 pmSTL - FSD
2 stops10h 53mDelta
Deal found 4/25$593

One-way flights to St. Louis from Sioux Falls

Search for one-way flight options from Sioux Falls to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated Nisan 26, 2024.
Take a look at some of the one-way flights we've detected from Sioux Falls to St. Louis. For those needing a return trip from Sioux Falls, there is a search form available above.
Cmt 5/113:52 pmFSD - STL
1 stop22h 37mFrontier
Deal found 4/24$59
Cum 6/211:25 pmFSD - STL
1 stop20h 05mFrontier
Deal found 4/25$130
Cmt 5/111:37 pmFSD - STL
2 stops26h 09mUnited Airlines
Deal found 4/24$269
Cum 6/215:54 pmFSD - STL
2 stops18h 20mAmerican Airlines
Deal found 4/25$472

Find flights from Sioux Falls to St. Louis within your budget

Customize your flight search to find flights from Sioux Falls to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated Nisan 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$359 - $1,116

Route

Depart

Return

Price

Sioux Falls Joe Foss FieldLambert-St Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Cmt 6/8

1 stop20h 54m

Lambert-St Louis

Per 6/13

1 stop21h 03m

$359

Sioux Falls Joe Foss FieldLambert-St Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Sal 6/11

1 stop5h 46m

Lambert-St Louis

Per 6/13

1 stop4h 11m

$468

Sioux Falls Joe Foss FieldLambert-St Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Cmt 6/8

2 stops11h 04m

Lambert-St Louis

Per 6/13

1 stop15h 59m

$571

Sioux Falls Joe Foss FieldLambert-St Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Sal 6/11

1 stop4h 27m

Lambert-St Louis

Per 6/13

2 stops28h 18m

$676

Sioux Falls Joe Foss FieldLambert-St Louis

FSD - STL

FSDSTL

Sioux Falls Joe Foss Field

Sal 6/11

2 stops11h 04m

Lambert-St Louis

Per 6/13

2 stops7h 36m

$1,116

Flights are sorted by cheapest first

Deals found on 4/25

When is the best time to book a flight from Sioux Falls to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Sioux Falls to St. Louis. Price data was last updated on January 28, 2024.
Booking 26 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sioux Falls to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Sioux Falls to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Sioux Falls to St. Louis. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Sioux Falls to St. Louis flight should consider departing on Saturday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from Sioux Falls to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Sioux Falls to St. Louis is currently $233 while a round-trip flight costs $638. Price data was last updated on April 21, 2024.

Currently, September is the cheapest month in which you can book a flight from Sioux Falls to St. Louis (average of $323). Flying from Sioux Falls to St. Louis in July is currently the most expensive (average of $378). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$326

February

$331

March

$357

April

$337

May

$350

June

$373

July

$378

August

$336

September

$323

October

$323

November

$336

December

$326

Temperature and rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.

STL

Temperature

32 - 80.6 °F

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated Nisan 26, 2024.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Sioux Falls to St. Louis. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
10,966 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

8.1
Very good
10,966 reviews
8.1
Very good
10,966 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.4
Good
11,228 reviews
8.1
Very good
10,966 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

7.3
Good
14,889 reviews
8.1
Very good
10,966 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

6.3
Okay
4,132 reviews
8.1
Very good
10,966 reviews

Crew

8.6

Food

7.4

Comfort

7.9

Overall

8.1

Boarding

8.2

Entertainment

8.0

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Sioux Falls to St. Louis for under $400 on Cheapflights?

    Yes, there are multiple flights from Sioux Falls to St. Louis for under $400. The cheapest flight booked recently is on Frontier for just $359, but on average you can expect to pay $638.

  • Are there last-minute flights available from Sioux Falls to St. Louis for under $300?

    There are currently 3+ open flights from Sioux Falls to St. Louis within the next 7 days for less than $300.

  • 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 Frontier. Our recent data shows that you can find tickets from as low as $359 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $468 and $571 round-trip. Frontier is currently priced 24% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Sioux Falls to St. Louis one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $59. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Sioux Falls to St. Louis for a low price.

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

  • What does FSD to STL mean?

    Great question - FSD to STL just means Sioux Falls Joe Foss Field Airport to Lambert-St Louis Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Sioux Falls to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Sioux Falls to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Sioux Falls to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Sioux Falls to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Sioux Falls to St. Louis that include hotel bookings?

    Yes. In addition to deals on Sioux Falls to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sioux Falls to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to St. Louis.

  • Can I find deals for business class flights from Sioux Falls to St. Louis?

    Yes. Cheapflights offers flight deals from Sioux Falls to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Sioux Falls to St. Louis that allow pets onboard?

    Many airlines flying from Sioux Falls to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Sioux Falls to St. Louis?

    Yes, you can often find last-minute deals on Sioux Falls to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Sioux Falls to St. Louis flight deals updated?

    The Sioux Falls to St. Louis flight deals you see on this page were last updated on 4/25.

See more FAQs

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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

Discover the top 3 airlines that operate flights from Sioux Falls to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,068,117 searches. Data last updated Nisan 26, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$220Average$412FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$220Average$343FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$277Average$452FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from Sioux Falls to St. Louis by cabin class

Find flights from Sioux Falls to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sioux Falls to St. Louis?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sioux Falls to St. Louis. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Sioux Falls to St. Louis?

Cheapflights helps you find that perfect flight to St. Louis from Sioux Falls by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sioux Falls to St. Louis with no change fees?

Need flexible booking options for your flight to St. Louis from Sioux Falls? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Sioux Falls to St. Louis become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to St. Louis from Sioux Falls today and book when prices fit your budget.

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