Cheap Flights from Denver International to Sioux Falls from $242

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Flight deals from Denver International to Sioux Falls

Looking for a cheap last-minute deal or the best return flight from Denver International Airport to Sioux Falls Airport? If you want to travel next month, return fares start from $259. Find the lowest prices on one-way and return tickets right here.

Sioux Falls.$242 per passenger.Departing Wed, 14 Oct, returning Wed, 21 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Wed, 14 Oct, arriving in Sioux Falls.Inbound direct flight with Frontier Airlines departs from Sioux Falls on Wed, 21 Oct, arriving in Denver International.Price includes taxes and charges.From $242, select.

Sioux Falls.$259 per passenger.Departing Fri, 28 Aug, returning Mon, 31 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Fri, 28 Aug, arriving in Sioux Falls.Inbound direct flight with Frontier Airlines departs from Sioux Falls on Mon, 31 Aug, arriving in Denver International.Price includes taxes and charges.From $259, select.

Sioux Falls.$260 per passenger.Departing Fri, 4 Sep, returning Mon, 7 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Fri, 4 Sep, arriving in Sioux Falls.Inbound direct flight with Frontier Airlines departs from Sioux Falls on Mon, 7 Sep, arriving in Denver International.Price includes taxes and charges.From $260, select.

Sioux Falls.$428 per passenger.Departing Thu, 27 Aug, returning Thu, 10 Sep.Return flight with United.Outbound direct flight with United departs from Denver International on Thu, 27 Aug, arriving in Sioux Falls.Inbound direct flight with United departs from Sioux Falls on Thu, 10 Sep, arriving in Denver International.Price includes taxes and charges.From $428, select.

Sioux Falls.$428 per passenger.Departing Thu, 29 Oct, returning Sun, 1 Nov.Return flight with United.Outbound direct flight with United departs from Denver International on Thu, 29 Oct, arriving in Sioux Falls.Inbound direct flight with United departs from Sioux Falls on Sun, 1 Nov, arriving in Denver International.Price includes taxes and charges.From $428, select.

Sioux Falls.$429 per passenger.Departing Wed, 6 Jan, returning Wed, 20 Jan.Return flight with United.Outbound direct flight with United departs from Denver International on Wed, 6 Jan, arriving in Sioux Falls.Inbound direct flight with United departs from Sioux Falls on Wed, 20 Jan, arriving in Denver International.Price includes taxes and charges.From $429, select.

Sioux Falls.$447 per passenger.Departing Tue, 24 Nov, returning Tue, 1 Dec.Return flight with United.Outbound direct flight with United departs from Denver International on Tue, 24 Nov, arriving in Sioux Falls.Inbound direct flight with United departs from Sioux Falls on Tue, 1 Dec, arriving in Denver International.Price includes taxes and charges.From $447, select.

Sioux Falls.$447 per passenger.Departing Tue, 1 Dec, returning Tue, 8 Dec.Return flight with United.Outbound direct flight with United departs from Denver International on Tue, 1 Dec, arriving in Sioux Falls.Inbound direct flight with United departs from Sioux Falls on Tue, 8 Dec, arriving in Denver International.Price includes taxes and charges.From $447, select.

Sioux Falls.$447 per passenger.Departing Sun, 15 Nov, returning Sun, 22 Nov.Return flight with United.Outbound direct flight with United departs from Denver International on Sun, 15 Nov, arriving in Sioux Falls.Inbound direct flight with United departs from Sioux Falls on Sun, 22 Nov, arriving in Denver International.Price includes taxes and charges.From $447, select.

Sioux Falls.$447 per passenger.Departing Tue, 29 Sep, returning Sun, 4 Oct.Return flight with United.Outbound direct flight with United departs from Denver International on Tue, 29 Sep, arriving in Sioux Falls.Inbound direct flight with United departs from Sioux Falls on Sun, 4 Oct, arriving in Denver International.Price includes taxes and charges.From $447, select.

Sioux Falls.$483 per passenger.Departing Fri, 24 Jul, returning Mon, 27 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Fri, 24 Jul, arriving in Sioux Falls.Inbound direct flight with Frontier Airlines departs from Sioux Falls on Mon, 27 Jul, arriving in Denver International.Price includes taxes and charges.From $483, select.

Sioux Falls.$697 per passenger.Departing Tue, 28 Jul, returning Tue, 4 Aug.Return flight with United.Outbound direct flight with United departs from Denver International on Tue, 28 Jul, arriving in Sioux Falls.Inbound direct flight with United departs from Sioux Falls on Tue, 4 Aug, arriving in Denver International.Price includes taxes and charges.From $697, select.

Find the cheapest month to fly from Denver International to Sioux Falls

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

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Direct flights from Denver International to Sioux Falls

Denver International to Sioux Falls: Alternative routes

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

Sioux Falls

5km from central Sioux Falls

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from $242

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Denver to Sioux Falls: Flight information

The things to know before you go.

Cheapest flight found	$242
Cheapest month to fly	October
Average flight time	1 hr, 40 mins
Most popular airline	United
Average flights per week	81

Finding cheap flights from Denver International to Sioux Falls: Frequently asked questions

How much are return flights from Denver International to Sioux Falls?

The best price we found for a return flight from Denver International to Sioux Falls is $242. 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.

How long does it take to fly from Denver International to Sioux Falls?

1 hour and 40 minutes is the average flight time from Denver International to Sioux Falls.

Which airlines fly direct from Denver International to Sioux Falls?

United, SkyWest Airlines and Lufthansa fly direct from Denver International to Sioux Falls.

How many flights are there a week from Denver International to Sioux Falls?

As of July 2026, there are 81 flights per week flying from Denver International to Sioux Falls.

When is the cheapest time to fly from Denver International to Sioux Falls?

The cheapest month to fly from Denver International to Sioux Falls is usually October.

Which upcoming date is cheapest to fly from Denver International Airport to Sioux Falls Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Sioux Falls Airport on Wednesday, 14 October 2026.

Can I get a direct flight from Denver International Airport to Sioux Falls Airport?

Yes – the average flight time is 1 hour and 40 minutes.

How can I find the best flight deal to Sioux Falls?

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.

When is the best time to book flights to Sioux Falls?

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.

Which is the cheapest airline to fly from Denver International Airport to Sioux Falls with?

Currently, Frontier Airlines offers the cheapest flight tickets to Sioux Falls.

Travelling from Denver International Airport (DEN) to Sioux Falls Airport (FSD): what you need to know

Jump on a direct flight from Denver International Airport to Sioux Falls Airport and you'll be in the air for an average of 1 hour 35 minutes.
Flights from DEN to FSD start from 07:45 — the first with United Airlines. The last service of the day is at 21:03 with United Airlines. In total, there are 34 weekly Denver International Airport to Sioux Falls Airport flights.
For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you can comfortably catch your DEN to FSD flight.
During popular months like July, you'll want to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead of international flights whenever you're flying during a high season in general.
United offers direct flights from Denver International Airport to Sioux Falls Airport. Book with this popular airline, then get ready to tick off the sights in Sioux Falls — and maybe even more of the United States if time allows.
Most passengers choose to travel with United on this route.
With a reliable 85.13% of services arriving on schedule, United is the most punctual carrier operating DEN to FSD flights.
If you want to break up your flight, just uncheck 'Direct flights only' when searching for your ticket from Denver International Airport to Sioux Falls Airport. Here are the top stopovers between DEN and FSD:
- Chicago O'Hare International Airport
- Dallas Fort Worth International Airport
- Minneapolis St Paul Airport

Handy information about Denver International Airport (DEN)

The address for DEN is 8500 Pena Boulevard.
80% of flights departing from Denver International Airport land at their destination on schedule. Given its dependable on-time performance, you're unlikely to face delays when taking off from DEN.
To reach Denver International Airport from central Denver, it takes around 35 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 40 kilometres from the airport to the city centre.
Planning to catch public transport? You can expect a journey time of around 35 minutes.
Get your flight from Denver International Airport to Sioux Falls Airport off to a relaxed start. Just a short drive from DEN, stay at Baymont by Wyndham Denver International Airport and be well-rested for the trip ahead.

Arriving at Sioux Falls Airport (FSD)

If you're coming in on a late Denver International Airport to Sioux Falls Airport flight, nothing beats the convenience of being close to the terminal. Collect your bags from the carousel and then be showered and sleeping shortly after at one of these options near FSD:
Begin your adventure by picking up a Sioux Falls Airport rental car. Grab your wheels from Alamo, Hertz or Enterprise and explore beyond Sioux Falls's main sights.
Booking your vehicle from Sioux Falls Airport around two weeks ahead can help you secure the lowest rate.

Getting from Sioux Falls Airport (FSD) to central Sioux Falls

You'll find FSD at 2801 Jaycee Lane.
From Sioux Falls Airport, Sioux Falls is approximately 10 kilometres away. It takes around 15 minutes to reach the centre by car.
It typically takes 35 minutes if you're using public transport.

When to fly to Sioux Falls Airport (FSD)

The quietest month for a flight from Denver International Airport to Sioux Falls Airport is March, while May is the busiest. Choose the best time to go to Sioux Falls based on whether you prefer a more fast-paced or easygoing experience.
The warmest month in Sioux Falls is July, with the temperature ranging between 14ºC and 31ºC. Book your flights from Denver International Airport to Sioux Falls Airport in this month if this is the kind of weather you like.
Search for cheap tickets from DEN to FSD in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -17ºC and 0ºC on average.

Explore more of the United States

Sioux Falls has its own special appeal, but there are so many other corners of the United States you'll want to see. About 257 kilometres south of Sioux Falls, a trip to Omaha will keep you on the move. Start with attractions like Kiewit Luminarium, OUR BODY: The Universe Within and Orpheum Theatre.
Around 322 kilometres north-east of Sioux Falls, Minneapolis is another favourite stop in the United States. Experience this destination's highlights firsthand at Walker Art Centre, Minneapolis Institute of Art and Minnehaha Regional Park.