$158 Cheap Flights to Sioux City
One-way
Departing from
United States
Going to
Sioux City, United States
Sioux City (SUX)
United States • April, 2026
68% AI deal score
$225 $161
Sioux City (SUX)
United States • March, 2026
66% AI deal score
$225 $158
Sioux City (SUX)
United States • December, 2025
66% AI deal score
$273 $160
Sioux City (SUX)
United States • March, 2026
66% AI deal score
$225 $161
Top Cheap Flight Deals from United States to Sioux City
Recent round-trip flight deals to Sioux City
Tue, Dec 30 - Tue, Jan 13
Cheapest
Houston (IAH) - Sioux City (SUX)
United Airlines airlines • 1 stop • Chicago (ORD)
Sioux City (SUX) - Houston (IAH)
United Airlines airlines • 1 stop • Denver (DEN)
$365
$304
-$61
17%
Sat, Jan 31 - Wed, Feb 4
Detroit (DTW) - Sioux City (SUX)
United Airlines airlines • 1 stop • Chicago (ORD)
Sioux City (SUX) - Detroit (DTW)
United Airlines airlines • 1 stop • Chicago (ORD)
$580
$324
-$256
44%
Sat, Jan 10 - Wed, Jan 14
Washington, D.C. (BWI) - Sioux City (SUX)
United Airlines airlines • 1 stop • Denver (DEN)
Sioux City (SUX) - Washington, D.C. (BWI)
United Airlines airlines • 1 stop • Denver (DEN)
$580
$368
-$212
37%
Thu, May 28 - Thu, Jun 4
St. Louis (STL) - Sioux City (SUX)
United Airlines airlines • 1 stop • Denver (DEN)
Sioux City (SUX) - St. Louis (STL)
United Airlines airlines • 1 stop • Denver (DEN)
$413
$377
-$36
9%
Thu, Jan 22 - Thu, Jan 29
Kirksville (IRK) - Sioux City (SUX)
FlyNordic airlines • 1 stop • Chicago (ORD)
Sioux City (SUX) - Kirksville (IRK)
United Airlines airlines • 1 stop • Chicago (ORD)
$685
$389
-$296
43%
Fri, Dec 26 - Tue, Dec 30
North Platte (LBF) - Sioux City (SUX)
United Airlines airlines • 1 stop • Denver (DEN)
Sioux City (SUX) - North Platte (LBF)
United Airlines airlines • 1 stop • Denver (DEN)
$523
$577
+$54
10%
The cheapest time to fly to Sioux City
Ready to jet to Sioux City on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Last-Minute Flights from United States to Sioux City
Need to get to Sioux City ASAP? Even if you're booking a flight on short notice, there are often last-minute deals available:
Next 2 weeks deals
Last Minute Flight Deals!
We found flights to Sioux City for under $220 that depart in the next two weeks.
⌛ Last-Minute
New York - SUX
A great last-minute steal for a cross-country flight.
Found 1 week ago
$190
one-way
Facts About Flights from United States to Sioux City
To help you plan your journey, here are some quick Sioux City flight facts and tips.
Sioux City city airports
Sioux City is primarily served by Sioux Gateway Airport (SUX), offering convenient access to regional and national destinations. While it's the main air hub for the area, providing commercial and general aviation services, travelers might also consider nearby regional airports for additional options, though SUX remains the most accessible and practical choice for those visiting or departing from Sioux City.
Pro tip: search “Sioux City (Any)” to see fares to all Sioux City airports – sometimes one is cheaper than the others on your dates.
Insights for flights to Sioux City
Cheapest airport
Sioux Falls (FSD)
For the budget-conscious traveler heading to Sioux City, Sioux Falls Regional Airport (FSD) in South Dakota often presents the most affordable flights. Although it's a bit of a drive to Sioux City, FSD offers a range of amenities and services. This includes free Wi-Fi, charging stations, and a selection of dining options, ensuring a comfortable start or end to your journey.
Nonstop vs. 1-stop
20+ cities
While Sioux Gateway Airport (SUX) may not be a major hub, it still offers convenient connections to over 20 cities! Some popular routes include destinations like Denver and Minneapolis, making travel a breeze.
Number of airlines
10+ airlines
Sioux City is served by over 10 airlines, giving you plenty of options to fly the friendly skies, including full-service faves like United and Delta.
Typical price range (round-trip)
$120 - $400
SUX Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
SUX airport insights
Best days to catch a deal
Tue, Sat
Based on the data provided, Wednesday is the best day to find flight deals from Sioux Gateway airport. Sunday and Friday are also good days to search, as they have the next lowest counts.
Avg. deal survival time
19.9 hours
Deals from Sioux Gateway Airport typically survive for about 19.9 hours. This means you need to act fast to secure the best prices.
Rare deal frequency
16 deals
In the past month, we found 16 rare deals for flights from Sioux Gateway Airport. These rare deals received an AI Deal Score of 90 or higher and usually consist of mistake fares, special promotions, or ultra-discounts.
Average price drop
--6%
The average price drop for flights arriving at Sioux Gateway Airport is -5.6%, indicating that prices have slightly decreased recently. This could be a good opportunity to find a cheaper flight to or from the airport.
Next 4 weeks: deal forecast
Sioux Gateway (SUX) Flight Forecast - December 2025
Based on current data, flight prices to and from Sioux Gateway Airport are expected to remain relatively stable in the coming month. There are no significant price drops or increases anticipated.
Top 5 biggest price drops (last 3 months)
Found on December 13
Manchester - SUX
$3,100 → $1,286
59%
Found on December 9
London - SUX
$1,700 → $890
48%
Found on December 9
Kirksville - SUX
$685 → $389
43%
Found on December 14
Detroit - SUX
$580 → $324
44%
Found on December 8
Washington, D.C. - SUX
$580 → $368
37%
Check these nearby airports too
Looking for more options? These airports near SUX sometimes drop rare deals too:
Des Moines International (DSM)
~13 rare deals/month
Kansas City International (MCI)
~13 rare deals/month
Eppley Airfield (OMA)
~12 rare deals/month
Sioux Gateway (SUX)
~4 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially DSM and MCI for long-haul deal surprises.
When Is the Best Time to Fly from United States to Sioux City
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to Sioux City:
Cheapest month
June
Cheapest month
June is the cheapest month to fly to Sioux City, offering a budget-friendly gateway to this charming destination. The weather is pleasant, perfect for exploring outdoor attractions. Plus, you'll find fewer crowds, allowing for a more relaxed and intimate experience of Sioux City's local culture and hidden gems.
Best day to book
Sunday
Best day to book
Booking your flight on a Sunday can lead to significant savings. Airlines often release deals at the start of the week, making Sunday the prime time to snag a cheaper fare. Keep an eye out for special promotions and set fare alerts to maximize your chances of landing a great deal.
Cheapest days to fly
Tuesday
Cheapest days to fly
Flying on a Tuesday can save you a significant amount of money. It's when business travel is typically lower, and airlines drop prices to fill seats. Consider adjusting your travel dates to include a Tuesday flight for a more budget-friendly trip.
Advance booking sweet spot
2 months
Advance booking sweet spot
Booking about two months in advance hits the sweet spot for flights to Sioux City. This timeframe usually offers a balance between availability and price. Booking too early or too late might mean missing out on the best deals, so plan ahead and set your sights on that two-month mark.
Sioux City Airports & Ground Transportation
One big question for travelers is which Sioux City airport to fly into. Here’s a quick guide to Sioux City’s airports and how to get to the city from each:
Sioux Gateway Airport (SUX)
Welcome to Sioux Gateway Airport, your gateway to Sioux City! This regional airport offers a comfortable and convenient travel experience, with amenities like free Wi-Fi and a restaurant to grab a bite. Located just a few miles south of downtown Sioux City, the airport is easily accessible. While it's a smaller airport, it provides a stress-free alternative to larger, more crowded hubs. Getting into Sioux City is a breeze with rental cars, taxis, and rideshare services readily available.
Tip: Arrive a bit early to enjoy a relaxing pre-flight meal at the airport restaurant.
Other airports
Hey there, travel enthusiasts! When flying into Sioux City, you might consider nearby airports like Sioux Falls Regional Airport or Eppley Airfield in Omaha. While these airports may offer more flight options and potentially better deals, remember to factor in the commute – it could mean renting a car or catching a shuttle to cover the extra miles to Sioux City!
Airport transfers
Navigating Sioux City is a breeze with options like rental cars, taxis, and ride-sharing services readily available from the airport. Several hotels also offer complimentary shuttle services, making your arrival even smoother. If you prefer public transportation, the city bus routes can get you where you need to go.
What to Do in Sioux City
Sioux City isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in Sioux City, organized by interest:
Sightseeing & landmarks
Sioux City is home to some seriously cool landmarks! From the iconic Sergeant Floyd Monument (a National Historic Landmark) to the impressive architecture downtown, you'll find plenty of photo-worthy spots to explore and soak in the city's history.
Arts & culture
Get your culture fix in Sioux City! Check out the Sioux City Art Center for amazing exhibitions, or catch a show at the Orpheum Theatre, a beautifully restored venue that hosts a variety of performances. There's always something to inspire you.
Food & nightlife
Foodies, rejoice! Sioux City's culinary scene is buzzing with deliciousness. From classic Midwestern fare to international flavors, you'll find something to tantalize your taste buds. And when the sun goes down, the city's nightlife comes alive with cool bars and live music venues.
Shopping & fashion
Shop 'til you drop in Sioux City! Whether you're hunting for unique boutiques or familiar retail stores, you'll find plenty of options to satisfy your shopping cravings. Check out the local shops for one-of-a-kind finds.
Nearby getaways
Need a break from the city? Sioux City is surrounded by awesome getaway destinations. Head to the Loess Hills National Scenic Byway for stunning views and outdoor adventures, or explore the charming towns nearby for a taste of small-town life. The possibilities are endless!
Events in Sioux City This Month
Sioux City Weather
Weather in Sioux City
Mon, Dec 15
10%
2° -7°
10%
Tue, Dec 16
Frequently Asked Questions About Flights to Sioux City
Pro Tips for Finding Cheap Flights to Sioux City
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on Sioux City flights:
Be Flexible with Travel Dates: Sometimes, flying a day earlier or later can drastically cut the cost. Play around with your dates to see if you can snag a better deal! Mid-week flights are usually cheaper than weekends.
Set Up Price Alerts: Tools like RatePunk can send you notifications when the price drops for your desired flight. This way, you'll never miss out on a bargain. It's like having a personal flight deal hunter!
