$384+ Cheap flights from Atlanta to Sioux City (ATL - SUX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — SUX
Oct 11 — Oct 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Atlanta to Sioux City with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Atlanta to Sioux City
Cheapest
Best
Last-minute
One-way
Cheapest flights from Atlanta to Sioux CityExplore the most affordable flight options available from Atlanta to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Atlanta to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:10 pm -
1 stop6h 00m
Sat 10/316:00 am -
1 stop6h 33m
Deal found 9/9![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:23 pm -
2 stops11h 20m
Tue 10/138:35 am -
1 stop6h 00m
Deal found 9/6![United Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:30 pm -
1 stop8h 13m
Sun 9/278:35 am -
1 stop7h 33m
Deal found 9/8![United Airlines logo]()
$498
Best flights from Atlanta to Sioux CityDiscover carefully curated flight deals from Atlanta to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Atlanta to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:10 pm -
1 stop6h 00m
Sat 10/316:00 am -
1 stop6h 33m
Deal found 9/9![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:19 am -
1 stop13h 24m
Tue 10/138:35 am -
1 stop6h 00m
Deal found 9/6![United Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:08 am -
2 stops13h 35m
Sun 9/278:35 am -
1 stop6h 00m
Deal found 9/8![United Airlines logo]()
$604
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:11 am -
1 stop7h 42m
Thu 10/158:35 am -
1 stop7h 33m
Deal found 9/10![United Airlines logo]()
$728
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:30 pm -
1 stop8h 13m
Fri 9/256:58 pm -
2 stops25h 22m
Deal found 9/8![United Airlines logo]()
$752
Last-minute flights from Atlanta to Sioux CityDiscover last-minute flight deals from Atlanta to Sioux City. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Atlanta to Sioux City. Data last updated September 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:30 pm -
1 stop8h 13m
Sun 9/278:35 am -
1 stop7h 33m
Deal found 9/8![United Airlines logo]()
$498
This United Airlines deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:23 pm -
2 stops11h 20m
Tue 10/138:35 am -
1 stop6h 00m
Deal found 9/6![United Airlines logo]()
$425
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:10 pm -
1 stop6h 00m
Sat 10/316:00 am -
1 stop6h 33m
Deal found 9/9![United Airlines logo]()
$384
One-way flights from Atlanta to Sioux CitySearch for one-way flight options from Atlanta to Sioux City. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Atlanta to Sioux City. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:03 pm -
2 stops26h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$449
Find flight deals from Atlanta to Sioux City
Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) 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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $384 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Atlanta 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 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from Atlanta to Sioux City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
AtlantaSioux City
ATL Atlanta Hartsfield-Jackson - SUX Sioux City Sioux Gateway
ATLSUX
Atlanta Hartsfield-Jackson
Tue 10/27
1:10 pm-6:10 pm
1 stop6h 00m
Sioux City Sioux Gateway
Sat 10/31
6:00 am-1:33 pm
1 stop6h 33m
$384
AtlantaSioux City
ATL Atlanta Hartsfield-Jackson - SUX Sioux City Sioux Gateway
ATLSUX
Atlanta Hartsfield-Jackson
Mon 9/28
4:03 pm-5:53 pm
2 stops26h 50m
Sioux City Sioux Gateway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$449
AtlantaSioux City
ATL Atlanta Hartsfield-Jackson - SUX Sioux City Sioux Gateway
ATLSUX
Atlanta Hartsfield-Jackson
Wed 10/7
11:19 am-11:43 pm
1 stop13h 24m
Sioux City Sioux Gateway
Tue 10/13
8:35 am-3:35 pm
1 stop6h 00m
$522
AtlantaSioux City
ATL Atlanta Hartsfield-Jackson - SUX Sioux City Sioux Gateway
ATLSUX
Atlanta Hartsfield-Jackson
Wed 9/23
11:08 am-11:43 pm
2 stops13h 35m
Sioux City Sioux Gateway
Sun 9/27
8:35 am-3:35 pm
1 stop6h 00m
$604
AtlantaSioux City
ATL Atlanta Hartsfield-Jackson - SUX Sioux City Sioux Gateway
ATLSUX
Atlanta Hartsfield-Jackson
Thu 10/8
11:11 am-5:53 pm
1 stop7h 42m
Sioux City Sioux Gateway
Thu 10/15
8:35 am-5:08 pm
1 stop7h 33m
$728
AtlantaSioux City
ATL Atlanta Hartsfield-Jackson - SUX Sioux City Sioux Gateway
ATLSUX
Atlanta Hartsfield-Jackson
Mon 9/21
4:30 pm-11:43 pm
1 stop8h 13m
Sioux City Sioux Gateway
Fri 9/25
6:58 pm-9:20 pm
2 stops25h 22m
$752
Sorted by cheapest first
Compare providers for flights from Atlanta to Sioux City
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Atlanta to Sioux City in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Atlanta-Sioux City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Atlanta-Sioux City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Atlanta-Sioux City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Atlanta-Sioux City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Atlanta-Sioux City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Atlanta to Sioux City
Have a flexible travel schedule? Discover the best time to fly to Sioux City from Atlanta with our price prediction graph.
ATL-SUX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
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 September 11, 2026.
Get a feel of what it's like to fly with United Airlines from Atlanta to Sioux City by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Comfort
7.3
Food
6.7
Overall
7.4
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Comfort
7.3
Food
6.7
Overall
7.4
Boarding
7.7
Crew
8.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Atlanta to Sioux City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Atlanta
Popular flights
Sioux City flight routes
Alternative routes for Atlanta to Sioux City
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Sioux City by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Atlanta to Sioux City by cabin class
Find flights from Atlanta to Sioux City, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Atlanta and Sioux City flights
Browse other Atlanta and Sioux City flight options. Last updated on September 11, 2026.
Other flights from Atlanta
Browse through other flights departing from Atlanta. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Sioux City
Explore flights to Sioux City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Top airline flying from Atlanta to Sioux City
Discover the top airline that operate flights from Atlanta 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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$306 | Average$447 | FlexibilityNo cancel fee | On-time69% |