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Sioux City

$231+ Cheap flights from District of Columbia to Sioux City (SUX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SUX
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from District of Columbia to Sioux City

Keep the following information in mind while searching for District of Columbia to Sioux City flight deals. Data was last updated July 30, 2025.

Round-trip from

$337
(United Airlines)

One-way from

$231
(United Airlines)
From District of Columbia to Sioux City Sioux Gateway
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One-way flight from District of Columbia to Sioux City Sioux Gateway
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Find flight deals from District of Columbia to Sioux City

Cheapest flights from District of Columbia to Sioux City
Explore the most affordable flight options available from District of Columbia to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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 9/105:00 pmDCA - SUX
1 stop6h 57mUnited Airlines
Wed 9/247:49 amSUX - DCA
1 stop7h 02mUnited Airlines
Deal found 7/28$406
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 9/126:40 pmIAD - SUX
1 stop5h 17mUnited Airlines
Fri 9/196:48 pmSUX - IAD
1 stop9h 34mUnited Airlines
Deal found 7/29$423

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 2,558,603 searches. Data last updated July 30, 2025.
Use the filters below to find and compare flights from District of Columbia to Sioux City that are best for you.

Fly from

District of Columbia

Fly to

Sioux City

Route

Depart

Return

Price

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Wed 9/10

5:00 pm-10:57 pm

1 stop6h 57m

Sioux City Sioux Gateway

Wed 9/24

7:49 am-3:51 pm

1 stop7h 02m

$406

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Fri 9/12

6:40 pm-10:57 pm

1 stop5h 17m

Sioux City Sioux Gateway

Fri 9/19

6:48 pm-5:22 am

1 stop9h 34m

$423

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Wed 9/10

5:00 pm-10:57 pm

1 stop6h 57m

$231

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Wed 9/10

10:15 pm-10:57 pm

2 stops25h 42m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from District of Columbia to Sioux City

Have a flexible travel schedule? Discover the best time to fly to Sioux City from District of Columbia with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Sioux City

What is the cheapest month to book a flight from District of Columbia to Sioux City?

Currently, October is the cheapest month in which you can book a flight from District of Columbia to Sioux City (average of $318). Flying from District of Columbia to Sioux City in March is currently the most expensive (average of $446). 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.

What is the cheapest time of day to fly from DC to SUX?

Find hourly flight availability from District of Columbia 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 July 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Sioux City as you normally would.

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 July 30, 2025.
Peruse reviews from past customers who have flown with United Airlines from District of Columbia to Sioux City to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 airport do you fly into for flights to Sioux City from District of Columbia?

    Most people fly into Sioux City Sioux Gateway (SUX) if they book a flight to Sioux City from District of Columbia. Sioux Gateway is conveniently located just 7.0 mi from Sioux City’s city center.

  • Can I find deals for flights from District of Columbia to Sioux City that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Sioux City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Sioux City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Sioux City.

  • Can I find deals for business class flights from District of Columbia to Sioux City?

    Yes. Cheapflights offers flight deals from District of Columbia to Sioux City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to Sioux City?

    Currently, October is the cheapest month in which you can book a flight from District of Columbia to Sioux City (average of $318). Flying from District of Columbia to Sioux City in March is currently the most expensive (average of $446). 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.

See more FAQs

Traveling to a place near Sioux City?

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Top airline flying from District of Columbia to Sioux City

Discover the top airline that operate flights from District of Columbia 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 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$367Average$429FlexibilityNo cancel feeOn-time69%

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