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Flights from St. Louis to Sioux Falls Starting at HK$462

Whether you’re going for a one-way or round-trip to Sioux Falls, we’ve got you covered! Check out these different flight options from St. Louis below.

  • One way
  • Round-trip
      • STL22:59
        16h 25m
        1 stop
        FSD15:24
        Tue, Aug 6|St. Louis - Sioux Falls|Frontier Airlines
        HK$462HK$2,756
        83% OFF
        83% OFF
        HK$2,756HK$462
      • STL15:47
        23h 37m
        1 stop
        FSD15:24
        Tue, Jul 16|St. Louis - Sioux Falls|Frontier Airlines
        HK$630HK$2,756
        77% OFF
        77% OFF
        HK$2,756HK$630
      • STL17:19
        22h 57m
        1 stop
        FSD16:16
        Fri, Jul 19|St. Louis - Sioux Falls|Frontier Airlines
        HK$752HK$2,756
        73% OFF
        73% OFF
        HK$2,756HK$752
      • STL06:00
        4h 16m
        1 stop
        FSD10:16
        Tue, Aug 6|St. Louis - Sioux Falls|American Airlines
        HK$804
        HK$804
      • STL17:30
        4h 28m
        1 stop
        FSD21:58
        Fri, Jul 5|St. Louis - Sioux Falls|United Airlines
        HK$963
        HK$963
      • STL20:02
        19h 8m
        1 stop
        FSD15:10
        Wed, Jul 17|St. Louis - Sioux Falls|Frontier Airlines
        HK$1,008
        HK$1,008
      • STL20:02
        19h 8m
        1 stop
        FSD15:10
        Wed, Jul 10|St. Louis - Sioux Falls|Frontier Airlines
        HK$1,011
        HK$1,011
      • STL17:30
        21h 54m
        1 stop
        FSD15:24
        Tue, Aug 6|St. Louis - Sioux Falls|United Airlines
        HK$1,263
        HK$1,263
      • STL17:30
        21h 54m
        1 stop
        FSD15:24
        Tue, Jul 16|St. Louis - Sioux Falls|United Airlines
        HK$1,364
        HK$1,364
      • STL17:19
        6h 10m
        1 stop
        FSD23:29
        Fri, Jul 5|St. Louis - Sioux Falls|Frontier Airlines
        HK$1,711
        HK$1,711
      • STL13:00
        3h 5m
        Direct
        FSD14:00
        Tue, Jul 9|St. Louis - Sioux Falls|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from St. Louis to Sioux Falls

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Sioux Falls from St. Louis have changed and are set to move below.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from St. Louis to Sioux Falls

Compare prices from various providers below to understand which option best suits your travel needs, before enjoying a comfortable journey with a trusted airline from St. Louis to Sioux Falls.

Frontier Airlines
From HK$462
American Airlines
From HK$804
United Airlines
From HK$963
Southern Airways Express
From HK$1,854
Delta Air Lines
From HK$2,160
Sun Country Airlines
From HK$2,442
Southwest Airlines
From HK$5,623
ANA airlines

Find more flights and airlines

Alternative Routes from St. Louis to Sioux Falls

Did you know that you can save money and time on an alternative route from St. Louis to Sioux Falls? Check out some of the different available routes below.

  • Cheapest
    Frontier Airlines
    STL
    22:59
    16h 25m
    1 transfer
    FSD
    15:24
    St.Louis Lambert International Airport - Sioux Falls Regional Airport
    Tue, Aug 6Frontier Airlines
    HK$462
  • Frontier Airlines
    STL
    22:59
    16h 25m
    1 transfer
    FSD
    15:24
    St.Louis Lambert International Airport - Sioux Falls Regional Airport
    Tue, Aug 6Frontier Airlines
    HK$462
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from St. Louis (STL) to Sioux Falls (FSD) the cheapest?

    Airlines adjust prices for flights from St. Louis to Sioux Falls based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from St. Louis (STL) to Sioux Falls (FSD) cost?

    According to Trip.com's data, the lowest price is around HK$3,079.

  • What is the transportation method from the main airport to downtown in Sioux Falls?

    • The distance from Sioux Falls Regional Airport to downtown is about 3km. It takes about 20 minutes by taxi.

How to find a cheap flight from St. Louis to Sioux Falls

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from St. Louis to Sioux Falls

Cheapest nonstop flight price

HK$462

Off-season for travel

July

Peak season for travel

June

Flight distance

778.52km

Popular airline

American Airlines

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