Cheap flights from Denver to Sioux City (DEN - SUX) from $110

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight to Sioux City departing on 5/26. 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.
DEN — SUX
Mar 3 — Mar 101

The best prices from Denver Intl to Sioux City Sioux Gateway are usually found in December or February, booked 84 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Denver to Sioux City

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Sioux City (SUX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 27, 2024.

Popular in

July

Cheapest in

December

Round-trip from

$312

One-way from

$110
High demand for flights, 36% potential price rise
Best time to find cheap flights, 33% potential price drop
From Denver Intl to Sioux City Sioux Gateway
One-way flight from Denver Intl to Sioux City Sioux Gateway

What is the cheapest day to fly round-trip from Denver to Sioux City?

Travelers have found that booking a Monday departure is the best way to save up to 45% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Travelers have found it’s best to book a flight 22 days in advance to save up to 58% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 22 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Denver to Sioux City 1-2 weeks in advance for as low as $252, or $344 for flights within the next 24 hours.

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

December is one of the best times of the year to fly to Sioux City from Denver. Prices for December average $294 per person but you can even find prices for as low as $198. The most expensive prices can be found in the month of July. Opting for a December flight can save you 55% on your journey compared to booking in July

When is the cheapest time to fly from Denver to Sioux City (DEN - SUX)?

When flying from Denver to Sioux City, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap United Airlines flights from Denver to Sioux City

Explore cheap flight options specifically provided by United Airlines for the route between Denver and Sioux City. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,397,584 searches. Data last updated February 27, 2024.
Wed 4/108:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Fri 4/1212:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$210
Wed 4/108:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Fri 4/1212:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$230
Tue 4/308:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Sat 5/412:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/25$272
Wed 4/108:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Fri 4/127:24 amSUX - DEN
1 stop28h 11mUnited Airlines
Deal found 2/26$331
Wed 3/278:55 pmDEN - SUX
Nonstop1h 37mUnited Airlines
Wed 4/312:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$345
Tue 4/308:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Sat 5/47:24 amSUX - DEN
2 stops17h 20mUnited Airlines
Deal found 2/25$351
Tue 4/308:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Sat 5/412:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$357
Wed 4/108:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Fri 4/127:24 amSUX - DEN
2 stops27h 48mUnited Airlines
Deal found 2/26$362
Wed 4/108:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Fri 4/127:24 amSUX - DEN
2 stops27h 48mUnited Airlines
Deal found 2/26$367

Cheap Denver to Sioux City flights in February & March 2024

Find cheap flight options from Denver to Sioux City specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,397,584 searches. Prices were last updated on February 27, 2024.
Wed 2/289:05 pmDEN - SUX
Nonstop1h 37mUnited Airlines
Tue 3/55:50 amSUX - DEN
Nonstop2h 03mUnited Airlines
Deal found 2/27$334
Wed 3/278:55 pmDEN - SUX
Nonstop1h 37mUnited Airlines
Wed 4/312:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$345
Wed 2/289:05 pmDEN - SUX
Nonstop1h 37mUnited Airlines
Thu 2/295:50 amSUX - DEN
Nonstop2h 03mUnited Airlines
Deal found 2/27$346
Wed 3/278:00 amDEN - SUX
1 stop27h 29mUnited Airlines
Wed 4/312:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$389
Wed 3/278:55 pmDEN - SUX
Nonstop1h 37mUnited Airlines
Wed 4/37:24 amSUX - DEN
3 stops24h 41mUnited Airlines
Deal found 2/26$391
Fri 3/298:55 pmDEN - SUX
Nonstop1h 37mUnited Airlines
Mon 4/112:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$430
Wed 3/278:00 amDEN - SUX
1 stop27h 29mUnited Airlines
Wed 4/37:24 amSUX - DEN
3 stops24h 41mUnited Airlines
Deal found 2/26$435
Wed 3/278:00 amDEN - SUX
1 stop27h 29mUnited Airlines
Wed 4/37:24 amSUX - DEN
1 stop24h 18mUnited Airlines
Deal found 2/26$437
Fri 3/298:45 pmDEN - SUX
2 stops14h 44mUnited Airlines
Mon 4/16:15 amSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$445

Denver to Sioux City 2024 flight deals

Discover exclusive flight deals for travel between Denver and Sioux City in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,397,584 searches. Data last updated February 27, 2024.
Wed 4/108:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Fri 4/1212:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$210
Wed 4/108:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Fri 4/1212:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$230
Tue 4/308:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Sat 5/412:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/25$272
Wed 4/108:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Fri 4/127:24 amSUX - DEN
1 stop28h 11mUnited Airlines
Deal found 2/26$331
Wed 2/289:05 pmDEN - SUX
Nonstop1h 37mUnited Airlines
Tue 3/55:50 amSUX - DEN
Nonstop2h 03mUnited Airlines
Deal found 2/27$334
Wed 3/278:55 pmDEN - SUX
Nonstop1h 37mUnited Airlines
Wed 4/312:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$345
Wed 2/289:05 pmDEN - SUX
Nonstop1h 37mUnited Airlines
Thu 2/295:50 amSUX - DEN
Nonstop2h 03mUnited Airlines
Deal found 2/27$346
Tue 4/308:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Sat 5/47:24 amSUX - DEN
2 stops17h 20mUnited Airlines
Deal found 2/25$351
Tue 4/308:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Sat 5/412:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$357

Non-stop flights to Sioux City from Denver

Discover non-stop flight options from Denver to Sioux City. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,397,584 searches. Data last updated February 27, 2024.
Wed 4/108:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Fri 4/1212:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$210
Wed 4/108:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Fri 4/1212:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$230
Tue 4/308:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Sat 5/412:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/25$272
Wed 3/278:55 pmDEN - SUX
Nonstop1h 37mUnited Airlines
Wed 4/312:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$345
Tue 4/308:15 amDEN - SUX
Nonstop1h 34mUnited Airlines
Sat 5/412:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$357
Fri 3/298:55 pmDEN - SUX
Nonstop1h 37mUnited Airlines
Mon 4/112:06 pmSUX - DEN
Nonstop1h 44mUnited Airlines
Deal found 2/26$430
Thu 6/68:30 amDEN - SUX
Nonstop1h 35mUnited Airlines
Sat 6/1511:55 amSUX - DEN
Nonstop1h 46mUnited Airlines
Deal found 2/27$529

One-way flights to Sioux City from Denver

Search for one-way flight options from Denver to Sioux City. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,397,584 searches. Data last updated February 27, 2024.
Sun 5/268:30 amDEN - SUX
Nonstop1h 35mUnited Airlines
Deal found 2/26$110
Sun 5/266:10 amDEN - SUX
1 stop15h 43mUnited Airlines
Deal found 2/26$204
Fri 5/248:30 amDEN - SUX
Nonstop1h 35mUnited Airlines
Deal found 2/25$258
Sun 5/268:07 amDEN - SUX
2 stops13h 46mUnited Airlines
Deal found 2/26$310
Fri 5/247:24 pmDEN - SUX
1 stop26h 29mUnited Airlines
Deal found 2/25$325
Fri 5/243:52 pmDEN - SUX
2 stops30h 01mUnited Airlines
Deal found 2/25$344

Find flights from Denver to Sioux City within your budget

Customize your flight search to find flights from Denver to Sioux City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,397,584 searches. Data last updated February 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$210 - $367

Route

Depart

Return

Price

Denver IntlSioux City Sioux Gateway

DEN - SUX

DENSUX

Denver Intl

Wed 4/10

Nonstop1h 34m

Sioux City Sioux Gateway

Fri 4/12

Nonstop1h 44m

$210

Denver IntlSioux City Sioux Gateway

DEN - SUX

DENSUX

Denver Intl

Wed 4/10

Nonstop1h 34m

Sioux City Sioux Gateway

Fri 4/12

Nonstop1h 44m

$230

Denver IntlSioux City Sioux Gateway

DEN - SUX

DENSUX

Denver Intl

Tue 4/30

Nonstop1h 34m

Sioux City Sioux Gateway

Sat 5/4

Nonstop1h 44m

$272

Denver IntlSioux City Sioux Gateway

DEN - SUX

DENSUX

Denver Intl

Wed 4/10

Nonstop1h 34m

Sioux City Sioux Gateway

Fri 4/12

1 stop28h 11m

$331

Denver IntlSioux City Sioux Gateway

DEN - SUX

DENSUX

Denver Intl

Wed 3/27

Nonstop1h 37m

Sioux City Sioux Gateway

Wed 4/3

Nonstop1h 44m

$345

Denver IntlSioux City Sioux Gateway

DEN - SUX

DENSUX

Denver Intl

Tue 4/30

Nonstop1h 34m

Sioux City Sioux Gateway

Sat 5/4

2 stops17h 20m

$351

Denver IntlSioux City Sioux Gateway

DEN - SUX

DENSUX

Denver Intl

Tue 4/30

Nonstop1h 34m

Sioux City Sioux Gateway

Sat 5/4

Nonstop1h 44m

$357

Denver IntlSioux City Sioux Gateway

DEN - SUX

DENSUX

Denver Intl

Wed 4/10

Nonstop1h 34m

Sioux City Sioux Gateway

Fri 4/12

2 stops27h 48m

$362

Denver IntlSioux City Sioux Gateway

DEN - SUX

DENSUX

Denver Intl

Wed 4/10

Nonstop1h 34m

Sioux City Sioux Gateway

Fri 4/12

2 stops27h 48m

$367

Flights are sorted by cheapest first

Deals found on 2/26

When is the best time to book a flight from Denver to Sioux City?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Sioux City. Price data was last updated on January 28, 2024.
Booking 21 days in advance of your planned departure date is, on average, the best time to get cheap flights from Denver to Sioux City. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Denver to Sioux City?

Use this chart to determine the cheapest time to fly round-trip from Denver to Sioux City. Price data was last updated on February 18, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Denver to Sioux City flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Sioux City by month

Plan your trip from Denver to Sioux City by taking into account the cheapest months to travel. The average price of a one-way flight from Denver to Sioux City is currently $259 while a round-trip flight costs $314. Price data was last updated on February 18, 2024.

Currently, February is the cheapest month in which you can book a flight from Denver to Sioux City (average of $312). Flying from Denver to Sioux City in June is currently the most expensive (average of $559). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$352

February

$312

March

$384

April

$414

May

$426

June

$559

July

$535

August

$412

September

$352

October

$454

November

$375

December

$416

Temperature and rainfall in Sioux City by month

Plan your trip to Sioux City by taking into account the average temperature and rainfall totals by month.

SUX

Temperature

21.2 - 75.2 °F

Reviews of airlines servicing Sioux City

Get insights into the airlines that provide service to Sioux City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux City. Reviews last updated February 27, 2024.
7.4
Good
11,817 reviews

Boarding

7.7

Overall

7.4

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.2

Reviews

1 / 10

A lot of delays to get to Edmonton as well. I am sure they couldn't be helped, but the passengers were left wondering what was happening for a while.

7.4
Good
11,817 reviews
7.4
Good
11,817 reviews

Boarding

7.7

Overall

7.4

Food

6.7

Crew

8.1

Entertainment

7.1

Comfort

7.2

Reviews

1 / 10

A lot of delays to get to Edmonton as well. I am sure they couldn't be helped, but the passengers were left wondering what was happening for a while.

Related info for your journey

Find useful and relevant information for your journey from Denver to Sioux City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Denver to Sioux City?

If you wish to fly to Sioux City from Denver, then you need to book flights from Denver Intl to Sioux City Sioux Gateway. There is 1 flight from Denver Intl (DEN) to Sioux Gateway (SUX) per day to choose from. Flights to Sioux City from Denver Intl are available from 1 airline, which means you should have some options if you want to compare airfare deals. 1h 34m is how long a nonstop flight from Denver to Sioux City Sioux Gateway typically takes.

Can I find flights from Denver to Sioux City for under $300 on Cheapflights?

Yes, there are multiple flights from Denver to Sioux City for under $300. The cheapest flight booked recently is on United Airlines for just $210, but on average you can expect to pay $364.

Are there nonstop flights from Denver to Sioux City for under $300 on Cheapflights?

Cheapflights has at least 7 direct flights from Denver to Sioux City under $300. A good price for a nonstop flight from Denver to Sioux City is less than $339.

What is the cheapest airline to fly from Denver to Sioux City round-trip?

United Airlines, at $210, was found to be the cheapest airline from Denver to Sioux City.. Users have found that United Airlines is 28% cheaper than the other options available to this destination.

What does DEN to SUX mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Denver Intl Airport to Sioux City Sioux Gateway Airport flight would often be abbreviated as a DEN to SUX flight.

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Denver to Sioux City
See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Denver to Sioux City

Discover the top airline that operate flights from Denver to Sioux City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,397,584 searches. Data last updated February 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$198Average$314FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from Denver to Sioux City by cabin class

Find flights from Denver to Sioux City, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Denver to Sioux City

Find hourly flight availability from Denver to Sioux City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 27, 2024.
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
100%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Denver to Sioux City

Explore weekly flight availability from Denver to Sioux City. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 27, 2024.
Sunday1daily flight
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday1daily flight

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Denver to Sioux City?

Cheapflights helps you search for flights from Denver to Sioux City via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Denver to Sioux City?

Cheapflights simply makes it quick and affordable to book flights from Denver to Sioux City by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Denver to Sioux City with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Denver to Sioux City flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Denver to Sioux City become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sioux City from Denver today and book when prices fit your budget.

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