FSD - DEN

$71 Find Cheap Flights from Sioux Falls to Denver

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sioux Falls to Denver departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Denver

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sioux Falls to Denver, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sioux Falls to Denver, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Sioux Falls to Denver (FSD-DEN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sioux Falls to Denver that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sioux Falls to Denver

Fri, Sep 5 - Mon, Sep 8
Frontier Logo
2:54 pm - 3:45 pmFSD-DEN
1h 51mnonstop
Frontier Logo
11:32 am - 2:09 pmDEN-FSD
1h 37mnonstop
$114Frontier
Find Deal
Thu, Oct 9 - Sun, Oct 12
Frontier Logo
3:19 pm - 4:09 pmFSD-DEN
1h 50mnonstop
Frontier Logo
10:58 am - 1:38 pmDEN-FSD
1h 40mnonstop
$115Frontier
Find Deal
Sat, Oct 4 - Tue, Oct 7
United Airlines Logo
5:14 pm - 6:10 pmFSD-DEN
1h 56mnonstop
United Airlines Logo
5:45 pm - 8:21 pmDEN-FSD
1h 36mnonstop
$189United Airlines
Find Deal
Sat, Sep 27 - Tue, Sep 30
American Airlines Logo
5:33 pm - 10:09 pmFSD-DEN
5h 36m1 stop
American Airlines Logo
5:44 am - 12:38 pmDEN-FSD
5h 54m1 stop
$199American Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
American Airlines Logo
5:33 pm - 10:09 pmFSD-DEN
5h 36m1 stop
American Airlines Logo
12:41 pm - 9:23 pmDEN-FSD
7h 42m1 stop
$204American Airlines
Find Deal
Sat, Oct 18 - Sat, Oct 25
Delta Logo
1:35 pm - 7:30 pmFSD-DEN
6h 55m1 stop
Delta Logo
11:05 am - 3:44 pmDEN-FSD
3h 39m1 stop
$209Delta
Find Deal
Fri, Sep 5 - Mon, Sep 8
Delta Logo
6:04 pm - 11:09 pmFSD-DEN
6h 05m1 stop
Delta Logo
6:16 pm - 11:46 pmDEN-FSD
4h 30m1 stop
$219Delta
Find Deal
Sat, Aug 30 - Mon, Sep 1
United Airlines Logo
9:16 am - 10:00 amFSD-DEN
1h 44mnonstop
United Airlines Logo
5:53 pm - 8:29 pmDEN-FSD
1h 36mnonstop
$224United Airlines
Find Deal
Mon, Sep 29 - Mon, Oct 6
 Logo
5:02 pm - 9:33 amFSD-DEN
17h 31m1 stop
 Logo
10:59 pm - 12:39 pmDEN-FSD
12h 40m1 stop
Fri, Sep 26 - Mon, Oct 6
 Logo
8:36 pm - 11:00 amFSD-DEN
15h 24m1 stop
 Logo
10:59 pm - 12:39 pmDEN-FSD
12h 40m1 stop
Expert advice

Expert advice for your flight from Sioux Falls to Denver

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Frontier

Frontier's Premium Bundle includes priority boarding and extra legroom seats.


Avoid Basic Fare to select seats and bring a carry-on without extra fees.

Read more about Frontierby Stefanie Waldek
United Airlines

United's Economy Plus offers up to 6 inches more legroom than standard economy seats.


Purchase Priority Boarding to secure overhead bin space, placing you in Zone 2.

Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier and United Airlines

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Booking Insights

KAYAK's insights & trends for Sioux Falls to Denver flights

Get data-powered insights and trends into flights from Sioux Falls to Denver to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Sioux Falls to Denver?

The average price of all round-trip flights from Sioux Falls to Denver clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Sioux Falls to Denver, look for departures on Fridays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Denver, Monday is the cheapest day to fly and Tuesday is the most expensive.

What is the cheapest month to fly from Sioux Falls to Denver?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sioux Falls to Denver, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Sioux Falls to Denver is October, where tickets cost $135 (return) on average. On the other hand, the most expensive months are December and May, where the average cost of round-trip tickets is $248 and $239 respectively.

How far in advance should I book a flight from Sioux Falls to Denver?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Sioux Falls to Denver, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Sioux Falls to Denver, you should book around 2 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

Good to know

Low seasonFebruary
Cheapest flight$71
Best time to beat the crowds but there is an average 12% increase in price.
Most popular time to fly and prices are also 29% lower on average.
Flight from Sioux Falls to Denver

When to book flights from Sioux Falls to Denver

Are your dates flexible? Find out the best times to travel from Sioux Falls to Denver based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Sioux Falls to Denver

  • What transport options do I have from Denver Airport to downtown?

    You can access downtown Denver from DEN Airport using public transport. Train A of the Regional Transportation District, with a 20 minutes interval, connects DEN Airport Station to Union Station Tract 1 in downtown Denver. The bus runs hourly and links DEN Airport Station Gate 9 to Civic Center Station Gate 5. Denver Airport Shuttle of Estes Park Shuttle connects DEN Airport to downtown Denver and operates four times daily.

  • Which airlines from Sioux Falls to Denver practice sustainability?

    American Airlines has the most eco-friendly practices in the FSD to DEN route. Some of these practices include the replacement of their old aircraft with new modernized fuel-efficient fleets, using environmentally friendly aviation fuel, and opting for more direct routes. They also employ recycling programs such as single-plastic use and net-zero supply chain.

  • Which airlines offer accessible services from Sioux Falls to Denver?

    Delta has established services and amenities to accommodate persons with special needs traveling from FSD to DEN. They include allowing these passengers to board with their trained service animals at no extra charge and providing accessible restrooms. They offer assistance to these passengers during navigation, boarding, and deplaning. Additionally, they offer special seats such as aisle seats for easier access and bulkhead seats for more space and legroom.

  • Can a minor travel unaccompanied from Sioux Falls to Denver?

    United can allow minors aged 5 to 14 to travel unaccompanied from FSD to DEN for some fee. Once you have presented necessary travel documentation, such as a passport and visa for your minor at the check-in, they are provided with unique identification, such as a badge and tracking wristband for extra security. The airline has on-ground and in-flight crew staff who assist your minor from check-in until they are handed over to the receiving adult at the destination airport.

  • What is the cheapest flight from Sioux Falls to Denver?

    In the last 3 days, the lowest price for a flight from Sioux Falls to Denver was $71 for a one-way ticket and $114 for a round-trip.

  • Do I need a passport to fly between Sioux Falls and Denver?

    No

  • Which airlines offer Wi-Fi service onboard planes from Sioux Falls to Denver?

    American Airlines, Delta, and Alaska Airlines offer inflight Wi-Fi service on the Sioux Falls to Denver flight route.

  • Which aircraft models fly most regularly from Sioux Falls to Denver?

    The Embraer 175 (Enhanced Winglets) is the aircraft model that flies most regularly on the Sioux Falls to Denver flight route.

  • Which airline alliances offer flights from Sioux Falls to Denver?

    Star Alliance is the only airline alliance operating flights between Sioux Falls and Denver.

  • On which days can I fly direct from Sioux Falls to Denver?

    There are nonstop flights from Sioux Falls to Denver on a daily basis.

  • Which is the best airline for flights from Sioux Falls to Denver, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Sioux Falls to Denver are Delta and United Airlines. With an average price for the route of $208 and an overall rating of 7.9, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $280 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Sioux Falls to Denver?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sioux Falls to Denver.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sioux Falls to Denver?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Denver from Sioux Falls is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sioux Falls to Denver?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Denver with an airline and back to Sioux Falls with another airline. Booking your flights between Sioux Falls and DEN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sioux Falls to Denver?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Denver from Sioux Falls up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Sioux Falls to Denver

  • Looking for a cheap flight? 25% of our users found flights on this route for $132 or less one-way and $226 or less round-trip.
  • Several flights have at least a layover from Sioux Falls Regional Airport (FSD) to Denver International Airport (DEN). Some of the airports to expect layovers include Minneapolis (MSP) by Delta, Chicago (ORD) by American, and Dallas (DFW) by American.
  • DEN is a hub for United Airlines, Denver Air Connections, and Southern Airways Express. Consider flying with Delta since it operates many flights allowing flexibility in the choice of flight that fits your budget and schedule.
  • Consider traveling with United to enjoy convenience from FSD to DEN if you are traveling with your child. The airline offers a range of family friendly services, including in-flight entertainment tailored with child-friendly content and a kid’s pack with items such as crayons and games to keep the kids engaged throughout the flight.
  • Frontier offers a range of unique meals to its passengers traveling from FSD to DEN. They include diabetic, child-friendly, gluten-free, vegan, lactose-free, and low-fat meals personalized to meet the dietary requirements of different passengers.
  • Frontier airline offers the highest carry-on baggage policy among the airlines flying FSD to DEN route. Other than a personal item, they allow you to bring a standard carry-on bag as long as it has 24 x 16 x 10 inches dimension limits and can fit in their overhead compartment. Its weight must also not exceed 35 lb.

Prefer to fly direct from Sioux Falls to Denver?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Sioux Falls Joe Foss Field to Denver Intl.
Find which airlines fly direct from Sioux Falls Joe Foss Field Airport to Denver Intl Airport, which days they fly and book direct flights.

Direct departures

Sioux Falls Joe Foss Field to Denver Intl

Monday

Copa Airlines, Frontier, Lufthansa, +1 more

Copa Airlines, Frontier, +2 more

Tuesday

Lufthansa, United Airlines

Lufthansa, United Airlines

Wednesday

Lufthansa, United Airlines, Copa Airlines

Lufthansa, United Airlines, +1 more

Thursday

Copa Airlines, Lufthansa, United Airlines, +1 more

Copa Airlines, Lufthansa, +2 more

Friday

Copa Airlines, Frontier, Lufthansa, +1 more

Copa Airlines, Frontier, +2 more

Saturday

Lufthansa, United Airlines, Copa Airlines

Lufthansa, United Airlines, +1 more

Sunday

Copa Airlines, Frontier, Lufthansa, +1 more

Copa Airlines, Frontier, +2 more

See more direct flights

Direct returns

Denver Intl to Sioux Falls Joe Foss Field

Monday

Copa Airlines, Frontier, Lufthansa, +1 more

Copa Airlines, Frontier, +2 more

Tuesday

Lufthansa, United Airlines

Lufthansa, United Airlines

Wednesday

Lufthansa, United Airlines, Copa Airlines

Lufthansa, United Airlines, +1 more

Thursday

Copa Airlines, Lufthansa, United Airlines, +1 more

Copa Airlines, Lufthansa, +2 more

Friday

Copa Airlines, Frontier, Lufthansa, +1 more

Copa Airlines, Frontier, +2 more

Saturday

Lufthansa, United Airlines, Copa Airlines

Lufthansa, United Airlines, +1 more

Sunday

Copa Airlines, Frontier, Lufthansa, +1 more

Copa Airlines, Frontier, +2 more

See more direct flights

Reviews of the top 4 airlines serving from Sioux Falls to Denver

 
See real verified KAYAK customer reviews for airlines flying from Sioux Falls to Denver. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Sioux Falls to Denver? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 7982 reviews
8.5Crew
7.9Entertainment
7.9Comfort
7.3Food
8.2Boarding
Airline reviews

Three seats in first class were broken and while they were able to still acommodate us it was looking very touch and go and they had others they could not acommodate

6.0 GoodKristopher, Aug 2025HPN - ATL
Read more Delta reviews

Three seats in first class were broken and while they were able to still acommodate us it was looking very touch and go and they had others they could not acommodate

Mechanic delay in addition to a 2 hour change in takeoff time was frustrating.

Delayed due to thunderstorms and no in-flight service due to rough weather — both of which are out of Delta’s control. Flight was good overall.

The flight attendants in SLC were rude. I arrived 40 minutes early to gate. Ticket said I needed check in for seat assignments and tried check in and attendants said they weren’t doing it. And proceeded to never call me to give me a ticket so when time to board I received the very last seat. Please relay to employees to do their job better..,

On this flight I felt the food offering was not as complete as on previous flights. The tomato salad was a bit off and there was nothing additional such a bread or butter. The breakfast was only one option, so you either ate what they had or ate nothing. The crew was efficient, but most seemed frustrated throughout the flight. The flight arrived early and was obstacle-free, so I’m overall quite happy, but the shine in the rest of the experience just wasn’t there.

The seats got pretty uncomfortable pretty fast. The armrests are bigger than on other planes, so I had less room in the actual seat. My butt hurt by the end of the flight. :/ comfort was the primary issue. The crew were fantastic!

I believe that a four-hour trip should have a meal. Delta had none.

Great flight with Delta! Boarding was quick and easy, the amenities were solid, and the plane was in great shape. The flight attendants had a fun, lively energy while staying professional. All in all, a smooth trip — even managed to catch up on some rest. Thanks, Delta!

I was uncomfortably cold on the plane. Other than that it was uneventful and therefore as enjoyable as a plane ride can be.

There was supposed to be a meal served, but there wasn’t and the major toilet was out of order

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

Had to cancel first flight because Airporter Bus took over 3 hrs to get to airport which resulted in an extra $378 dollar fare . Is there anyway I can be reimbursed for initial fare since it was not my fault? Sent from my iPhone EJ Ledet

Excellent flight. Boarding was efficient and departure was on time. Smooth flight with on time arrival. Deplaning was also efficient.

Our flight was understandably diverted to a small regional airport in Laramie, Wyoming due to weather conditions, which I fully recognize and appreciate. However, the low rating stems from the experience that followed: passengers remained on board for over an hour without the option to deplane and stretch, despite the aircraft being stationary. Although the pilot opened the cabin door, only he was permitted to exit. Meanwhile, passengers grew increasingly uncomfortable as warm summer air entered the cabin through the open door, and being in the second row meant we were impacted immediately. While the flight attendants made efforts to keep everyone at ease, I believe allowing passengers to deplane briefly, given the extended delay, would have significantly improved the overall experience.

I never flew. Flight was canceled. DIA worst airport in the country. Avoid at all costs.

Very rough getting into denver. my kid threw up it was so rough.

Why wasn't this flight departure scheduled eith another crew so that it could leave on time? When we arrived in Denver we had so little time between flights we had run to the connecting flight. We should received some credit for the inconvenience.

I was supposed to be on business class at first class from Denver back to Miami due to weather changes. I missed my connection and it’s put on a flight to Fort Lauderdale. Instead of honoring my business class/1st class ticket, they put me in coach, but there were two first class seats open. I think it’s absolutely disgusting that I paid for first class $1300 ticket and they put me in economy and they had to open seats available and I have still not been refunded the difference. I ended up having to eat a snack box instead of the meal I was supposed to get and did not get home till 2 AM so I think that’s a little pathetic that I had to live off crackers for dinner And my poor dog ate some cheese and salami. Oh yes, apparently when they switched me to the new flight they forgot to mention I had a service dog

Excellent service despite turbulence during the flight. Flight attendants were remarkable!

Flight attendant moved my bag without notifying me and was rude to me when I asked him about it. There was no reason to move it.

Delayed flight that lead to a missed connection and a 5-hour trip became a 12-hour flight 🙄

Any flight to ORD after about 2pm this summer has been challenging. Flight was delayed getting in (coming from ORD) and that led to it not leaving before a ground stop due to lightening before they could fuel the plane, and so forth. They made up some time but we were still late in arriving at ORD, and that led to missed connections.

Food was ok, but not as good as I have had before on AA.

No issues. They did change our gate FOUR times in about 30 minutes which was mildly annoying but the flight was fine.

Great flight. No issues at all. I still think boarding could be more efficient but otherwise, a good experience.

Pretty good. The food was just mediocre, the boarding and crew were good.

The comfort of the seats was great, the crew eased my child’s anxieties and the fact that I had full cans of my beverage choice was great.

My flight got switched and my prepaid bag didnt transfer over properly so I paid to check ANOTHER BAG. I was placed in a middle seat and it was just miserable. At least it was a bulkhead row so I had legroom. The flight just never seem3d to end

4 hours late, including over +1 hour waiting in plane to take off. Baggage left behind too.

Sat on the ground in Cincinnati for 50 minutes before deplaning

As every law enforcement agency I could imagine surrounded the plane and we didn’t disembark for 2 hours and then had to stick around for another hour to go get our personal belongings after leaving them behind and being bused away from the plane, it was scary and inconvenient. We were given no information as to why this was happening. Lack of communication with passengers was disappointing.

Frontier Airlines was AWFUL. I was an hour early for my flight and the lady refused to check me in. I had to purchase a whole new ticket with a different airline.

Late, terrible communication, horrible planning of passenger seating until the literal last minute. One of the worst flying experiences of my life. Y'all suck

First of all, we never got on the connecting flight to Denver. They delayed our flight for two hours. If we would have gotten on that flight, we would have been stuck in Denver for 13 hours. So we re- routed our flight for a straight through flight to Oklahoma two days later. THEN, they delayed that flight for two hours. After that we were able to finally get on our flight and come home. Frontier Airlines - one of the worst airlines I have ever been on.

Terrible communication with weather delay, lost baggage, near impossible to reach customer service

My tickets got canceled on me by your site and I didn't have a flight. Then you kept sending me emails on the status of q flight I didn't have tickets for.

Flight was late. Missed connecting in Denver. My new flight is more than 24 hours later and I have no room, vouchers, or compensation, and might also be bumped from the one tomorrow.

This was one of the first frontier airline flights this spring that wasn't delayed. It actually left on time. Some of the flight crew did not look happy, they didn't smile when the passengers were boarding or getting off the plane, and the passengers initiated greetings, not the staff. To me this was an odd experience to have with any flight/airline. I had a bad experience booking this flight. The price didn't solidify until late hours into the night. Ever time I purchased the ticket, I either received a denial email or an error because the price has changed, but it was never reflected on the flyfrontier or kayak websites until way after midnight on the date of travel. This caused me anxiety and irritation with the websites. Then I noticed a mishap with my name on my voucher as I went to check in, it was incorrect. When I proceeded to correct it, Frontier had no easy, let alone free, way to remedy it. I couldn't correct my name without a $75 charge, I couldn't cancel my voucher to repurchase it with the correct name without a $100 charge, because it was too close to departure. Then calling frontier was nearly impossible to remedy the situation with a human. It's already difficult to want to choose frontier because of all the upcharges, but you feel kinda trapped into doing so because it's the more affordable airline.

Our flight was cancelled. They could do nothing to help us get another flight that was timely. Because the first leg was cancelled we were unable to get to our connection. We had to book on an entirely different airline for today. So we spent more money, lost a day of vacation and will never fly Frontier again, so the 'we are sorry, here is $100 credit' is a joke since we won't be flying on Frontier.

I liked the turn-style feature at gate 209B at LAX. Very efficient process. The gate staff also made several, clearly directed announcements so I felt very informed.

Everything you need to know for your flight from Sioux Falls to Denver

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