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

Compare St Louis to Sioux Falls flight deals

Find the cheapest month or even day of the year to fly to Sioux Falls

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Flight deals from St Louis to Sioux Falls

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Sioux Falls Airport? If you want to travel next month, return fares start from £219. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Sioux Falls

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Sioux Falls flights are currently cheapest in May.

St Louis to Sioux Falls: Alternative routes

Compare routes from St Louis to Sioux Falls below. You may find an airport to fly into that's cheaper, faster, or easier than Sioux Falls.

St Louis to Sioux Falls: Flight information

The things to know before you go.
Cheapest flight found£206
Cheapest month to flyMay

Finding cheap flights from St Louis to Sioux Falls: Frequently asked questions

The best price we found for a return flight from St Louis to Sioux Falls is £219. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Sioux Falls. But we found flights with one or more stops from £219.
As of April 2026, there are no flights flying from St Louis to Sioux Falls.
The cheapest month to fly from St Louis to Sioux Falls is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Sioux Falls Airport on Saturday, 23 May 2026.
No airlines currently offer direct flights between St Louis Airport and Sioux Falls Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sioux Falls but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sioux Falls is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Sioux Falls.

Travelling from Lambert-St. Louis International Airport (STL) to Joe Foss Field Airport (FSD): what you need to know

  • Your STL to FSD flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • You'll likely experience longer lines in popular months like July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a wise move.

  • If you want to add a stop to your trip, just uncheck 'Direct flights only' when searching for your ticket from Lambert-St. Louis International Airport to Joe Foss Field Airport. Here are the top stopovers between STL and FSD:

    • Minneapolis-St. Paul International Airport

    • O'Hare International Airport

    • Denver International Airport

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Joe Foss Field Airport (FSD)

  • £206 is currently the best price for a one-way Lambert-St. Louis International Airport to Joe Foss Field Airport flight. Return flights start at £219. These fares may change based on demand and availability.

  • It's usually best to book ahead of time if you want to find cheap tickets from STL to FSD. That's because airlines change prices based on demand, which tends to increase closer to departure.

  • If you're flexible with your travel plans, use the 'Whole month' tool. It'll show you the lowest price across each month when looking for a flight from Lambert-St. Louis International Airport to Joe Foss Field Airport.

  • Spend less time searching for cheap flights from STL to FSD by setting up a Price Alert. You'll receive an email or notification through the app when a special offer becomes available.

  • Select your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Lambert-St. Louis International Airport to Joe Foss Field Airport.

Handy information about Lambert-St. Louis International Airport (STL)

Arriving at Joe Foss Field Airport (FSD)

Getting from Joe Foss Field Airport (FSD) to central Sioux Falls

  • The street address for FSD is 2801 Jaycee Lane.

  • Joe Foss Field Airport is approximately 3 miles from the centre of Sioux Falls. Driving there takes about 10 minutes.

  • It takes roughly 1 hour 35 minutes if you're travelling on public transport.

When to fly to Joe Foss Field Airport (FSD)

  • January is the busiest month for flights from Lambert-St. Louis International Airport to Joe Foss Field Airport. For smaller crowds, visit Sioux Falls in April.

  • The warmest month in Sioux Falls is July, with the temperature ranging between 14ºC (57ºF) and 31ºC (88ºF). Book your flights from Lambert-St. Louis International Airport to Joe Foss Field Airport in this month if this is the type of weather you like.

  • Search for cheap tickets from STL to FSD in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -17ºC (1ºF) and 0ºC (32ºF) on average.

Explore more of United States

  • Sioux Falls is always a good idea, but there are so many other parts of United States waiting to be explored. About 160 miles south of Sioux Falls, a trip to Omaha will keep you on the go. Start with popular sights like Old Market, Bob Kerrey Pedestrian Bridge and Heartland of America Park.

  • If you want to check out another major destination in United States, head for Minneapolis, roughly 200 miles north-east of Sioux Falls. Walker Art Centre, Minneapolis Institute of Arts and Minneapolis Sculpture Garden are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.