146 € Cheap Flights from Sioux Falls to Denver International

Compare Sioux Falls to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

Book the best Denver International fare with no extra fees

Flight deals from Sioux Falls to Denver International

Looking for a cheap last-minute deal or the best return flight from Sioux Falls Airport to Denver International Airport? If you want to travel next month, return fares start from 201 €. Find the lowest prices on one-way and return tickets right here.

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

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

Direct flights from Sioux Falls to Denver International

Sioux Falls to Denver International: Alternative routes

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

Sioux Falls to Denver: Flight information

The things to know before you go.
Cheapest flight found146 €
Cheapest month to flyJuly
Average flight time1 hr, 57 mins
Most popular airlineUnited
Average flights per week79

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

The best price we found for a return flight from Sioux Falls to Denver International is 146 €. 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 57 minutes is the average flight time from Sioux Falls to Denver International.
United, SkyWest Airlines and Lufthansa fly direct from Sioux Falls to Denver International.
As of July 2026, there are 79 flights per week flying from Sioux Falls to Denver International.
The cheapest month to fly from Sioux Falls to Denver International is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sioux Falls Airport to Denver International Airport on Wednesday, 15 July 2026.
Yes – the average flight time is 1 hour and 57 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 Denver International 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 Denver 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 Denver International.

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

  • Around 1 hour 50 minutes is how long you can expect to be travelling on a direct flight from Sioux Falls Airport to Denver International Airport.

  • Denver's timezone is UTC-7, which makes Denver one hour behind Sioux Falls.

  • Take your pick of 34 weekly Sioux Falls Airport to Denver International Airport flights. The 06:00 departure with United Airlines is the earliest flight you can take. United Airlines operates the last service of the day at 17:03.

  • To ensure you catch your FSD to DEN flight, leave plenty of time to check in and find your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general rule.

  • Be prepared for longer lines during popular months like May. Arriving up to four hours in advance for international flights and two hours for domestic departures is a good idea.

  • Jetting into Denver (and then seeing more of the United States!) is a snap with United. This popular carrier has direct flights from Sioux Falls Airport to Denver International Airport.

  • The airline that tops the list for bookings on this route is United.

  • Frontier Airlines is the most punctual carrier operating FSD to DEN flights. A dependable 80.0% of its departures on this route arrive as scheduled.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Sioux Falls Airport to Denver International Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to visit the city of your choice. Stopovers between FSD and DEN include:

    • Chicago O'Hare International Airport

    • Phoenix Sky Harbour Airport

    • Minneapolis St Paul Airport

How to find the cheapest flights from Sioux Falls Airport (FSD) to Denver International Airport (DEN)

  • The cheapest price we've seen for a one-way Sioux Falls Airport to Denver International Airport flight is 100 €. A return fare right now is 146 €. Depending on the availability and when you book, these fares could change.

  • Don't leave things to the last minute. You're more likely to get cheap tickets from FSD to DEN if you book ahead. Airlines often offer some fantastic early bird deals.

  • The cheapest month for flights from Sioux Falls Airport to Denver International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.

  • You won't have to check every day to find out if fares have gone down when you create a Price Alert. We'll send you an update the moment there's a better deal on cheap flights from FSD to DEN.

  • Find the ideal flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Sioux Falls Airport to Denver International Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Sioux Falls Airport (FSD)

  • FSD's address is 2801 Jaycee Lane.

  • Of the departures from Sioux Falls Airport, 70% touch down on time at their destination.

  • To reach Sioux Falls Airport from central Sioux Falls, it takes about 15 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 10 kilometres from the airport to the city centre.

  • Expect a trip time of roughly 35 minutes when using public transport.

  • Taking an early flight from Sioux Falls Airport to Denver International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by picking one of these stays close to FSD:

Arriving at Denver International Airport (DEN)

  • Hop off your Sioux Falls Airport to Denver International Airport flight and be sprawled out in your hotel bed soon after. If you need a handy option that's not too far from DEN, consider Baymont by Wyndham Denver International Airport.

  • Go where the road takes you with a Denver International Airport rental car. Pick up your wheels from Routes Car Rentals, Dollar or Budget and experience more of Denver and beyond.

  • For the lowest price, book your vehicle from Denver International Airport around one week before your trip.

Getting from Denver International Airport (DEN) to central Denver

  • The street address for DEN is 8500 Pena Boulevard.

  • From Denver International Airport, Denver is approximately 40 kilometres away. It takes around 35 minutes to reach the centre by car.

  • It typically takes 35 minutes when travelling by public transport.

When to fly to Denver International Airport (DEN)

  • July is the busiest month for flights from Sioux Falls Airport to Denver International Airport. For a quieter experience, go to Denver in January.

  • When reserving your flight from Sioux Falls Airport to Denver International Airport, consider the type of weather you like. July is the warmest month in Denver, with the temperature ranging from 14ºC (57ºF) to 32ºC (90ºF).

  • Look for cheap tickets from FSD to DEN in January if you like cooler conditions. Temperatures are at their lowest then, ranging between -9ºC (16ºF) and 7ºC (45ºF) on average.

Explore more of the United States

  • Colorado Springs is just one of the many cities in the United States waiting to be explored once you've taken in the sights of Denver. Around 105 kilometres away to the south, top sights here include Garden of the Gods, Pikes Peak Region Attractions and Red Rock Canyon.

  • If you're looking to explore another corner of the United States, consider Aurora, about 13 kilometres east of Denver. Plains Conservation Centre, DeLaney Homestead Historic District and Aircraft viewing are key highlights.

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