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Cheap flights from Denver International to Sioux Falls

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      Travellers and cabin class, 1 Adult, Economy
      United
      Lufthansa
      Copa
      Frontier Airlines
      Volaris

      Compare Denver International to Sioux Falls flight deals

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

      Book the best Sioux Falls fare with no extra fees

      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 P9,250. Find the lowest prices on one-way and return tickets right here.
      Sioux Falls.P4,625 per passenger.Departing Mon, 21 Sep.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Mon, 21 Sep, arriving in Sioux Falls.Price includes taxes and charges.From P4,625, select.
      Sioux Falls.P5,488 per passenger.Departing Mon, 31 Aug.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Mon, 31 Aug, arriving in Sioux Falls.Price includes taxes and charges.From P5,488, select.
      Sioux Falls.P15,313 per passenger.Departing Sun, 18 Oct.One-way flight with United.Outbound direct flight with United departs from Denver International on Sun, 18 Oct, arriving in Sioux Falls.Price includes taxes and charges.From P15,313, select.
      Sioux Falls.P15,313 per passenger.Departing Mon, 30 Nov.One-way flight with United.Outbound direct flight with United departs from Denver International on Mon, 30 Nov, arriving in Sioux Falls.Price includes taxes and charges.From P15,313, select.
      Sioux Falls.P15,313 per passenger.Departing Tue, 15 Dec.One-way flight with United.Outbound direct flight with United departs from Denver International on Tue, 15 Dec, arriving in Sioux Falls.Price includes taxes and charges.From P15,313, select.
      Sioux Falls.P15,326 per passenger.Departing Wed, 16 Jun.One-way flight with United.Outbound direct flight with United departs from Denver International on Wed, 16 Jun, arriving in Sioux Falls.Price includes taxes and charges.From P15,326, select.
      Sioux Falls.P15,440 per passenger.Departing Sat, 30 Jan.One-way flight with United.Outbound direct flight with United departs from Denver International on Sat, 30 Jan, arriving in Sioux Falls.Price includes taxes and charges.From P15,440, select.
      Sioux Falls.P15,440 per passenger.Departing Mon, 1 Feb.One-way flight with United.Outbound direct flight with United departs from Denver International on Mon, 1 Feb, arriving in Sioux Falls.Price includes taxes and charges.From P15,440, 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 September.
      Aug
      from P5,488
      Sep
      from P4,625
      Oct
      from P15,313
      Nov
      from P15,313
      Dec
      from P15,313
      Jan
      from P15,440
      Feb
      from P15,440
      Mar
      Find prices
      Apr
      Find prices
      May
      Find prices
      Jun
      from P15,326
      Jul
      Find prices

      Direct flights from Denver International to Sioux Falls

      Copa
      Frontier Airlines
      Lufthansa
      United
      Volaris

      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
      ClosestCheapest
      from P4,625
      Search flights

      Denver to Sioux Falls: Flight information

      The things to know before you go.
      Cheapest flight foundP4,625
      Cheapest month to flySeptember
      Average flight time1 hr, 39 mins
      Most popular airlineUnited
      Average flights per week50

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

      The best price we found for a return flight from Denver International to Sioux Falls is P9,250. 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.
      1 hour and 39 minutes is the average flight time from Denver International to Sioux Falls.
      United, Lufthansa and Copa fly direct from Denver International to Sioux Falls.
      As of August 2026, there are 50 flights per week flying from Denver International to Sioux Falls.
      The cheapest month to fly from Denver International to Sioux Falls is usually September.
      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 Friday, 18 September 2026.
      Yes – the average flight time is 1 hour and 39 minutes.
      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, 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 kilometers 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)

      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 (57ºF) and 31ºC (88ºF). 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 (1ºF) and 0ºC (32ºF) 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 kilometers 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 kilometers 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.

      Plan the rest of your trip from Denver to Sioux Falls

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.