HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sioux City

$324+ Cheap flights from District of Columbia to Sioux City (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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SUX
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from District of Columbia 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 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 September 16, 2025.

Round-trip from

$324
(United Airlines)
From District of Columbia to Sioux City Sioux Gateway
Search Deals

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 September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 10/86:50 pmIAD - SUX
1 stop5h 10mUnited Airlines
Tue 10/146:51 pmSUX - IAD
1 stop9h 31mUnited Airlines
Deal found 9/15$432
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/178:20 amIAD - SUX
2 stops15h 40mUnited Airlines
Tue 10/217:50 amSUX - IAD
1 stop5h 01mUnited Airlines
Deal found 9/15$433
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/86:04 pmDCA - SUX
1 stop5h 56mUnited Airlines
Tue 10/146:51 pmSUX - DCA
2 stops12h 30mUnited Airlines
Deal found 9/15$442
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/15:00 pmDCA - SUX
1 stop7h 00mUnited Airlines
Sun 10/57:50 amSUX - DCA
1 stop5h 26mUnited Airlines
Deal found 9/16$489
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/215:00 pmDCA - SUX
1 stop7h 00mUnited Airlines
Tue 10/286:46 pmSUX - DCA
1 stop19h 09mUnited Airlines
Deal found 9/15$532
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 11/18:25 amIAD - SUX
2 stops15h 34mUnited Airlines
Sat 11/87:45 amSUX - IAD
2 stops12h 34mUnited Airlines
Deal found 9/15$537
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 11/16:00 pmDCA - SUX
1 stop5h 59mUnited Airlines
Sat 11/87:45 amSUX - DCA
1 stop5h 25mUnited Airlines
Deal found 9/15$549
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/26:04 pmDCA - SUX
1 stop5h 56mUnited Airlines
Sat 10/47:50 amSUX - DCA
1 stop5h 11mUnited Airlines
Deal found 9/15$575
This United Airlines deal was found by Cheapflights users on 9/16. 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 9/237:00 pmDCA - SUX
1 stop4h 57mUnited Airlines
Sat 9/277:50 amSUX - DCA
1 stop5h 11mUnited Airlines
Deal found 9/16$604
This United Airlines deal was found by Cheapflights users on 9/16. 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 9/236:40 pmIAD - SUX
1 stop5h 17mUnited Airlines
Sat 9/276:51 pmSUX - IAD
1 stop9h 31mUnited Airlines
Deal found 9/16$625
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/110:09 pmIAD - SUX
1 stop21h 05mUnited Airlines
Sun 10/57:50 amSUX - IAD
2 stops22h 45mUnited Airlines
Deal found 9/16$629
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/15:00 pmDCA - SUX
1 stop7h 00mUnited Airlines
Fri 10/36:51 pmSUX - DCA
1 stop19h 16mUnited Airlines
Deal found 9/15$678

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 September 16, 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

Sat 3/7

11:30 am-5:32 pm

1 stop7h 02m

Sioux City Sioux Gateway

Tue 3/10

12:45 pm-8:43 pm

1 stop6h 58m

$324

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Sat 3/7

1:05 pm-5:32 pm

1 stop5h 27m

Sioux City Sioux Gateway

Tue 3/10

12:45 pm-9:05 pm

1 stop7h 20m

$324

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Tue 10/21

6:50 pm-11:00 pm

1 stop5h 10m

Sioux City Sioux Gateway

Tue 10/28

6:46 pm-5:16 am

1 stop9h 30m

$432

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Fri 10/17

8:20 am-11:00 pm

2 stops15h 40m

Sioux City Sioux Gateway

Tue 10/21

7:50 am-1:51 pm

1 stop5h 01m

$433

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Wed 10/8

6:04 pm-11:00 pm

1 stop5h 56m

Sioux City Sioux Gateway

Tue 10/14

6:51 pm-8:21 am

2 stops12h 30m

$442

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Wed 10/1

5:00 pm-11:00 pm

1 stop7h 00m

Sioux City Sioux Gateway

Sun 10/5

7:50 am-2:16 pm

1 stop5h 26m

$489

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Wed 10/8

12:40 pm-11:00 pm

2 stops11h 20m

Sioux City Sioux Gateway

Tue 10/14

6:51 pm-5:22 am

1 stop9h 31m

$496

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Tue 10/21

5:00 pm-11:00 pm

1 stop7h 00m

Sioux City Sioux Gateway

Tue 10/28

6:46 pm-2:55 pm

1 stop19h 09m

$532

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Sat 11/1

6:00 pm-10:59 pm

1 stop5h 59m

Sioux City Sioux Gateway

Sat 11/8

7:45 am-2:10 pm

1 stop5h 25m

$549

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Thu 10/2

6:04 pm-11:00 pm

1 stop5h 56m

Sioux City Sioux Gateway

Sat 10/4

7:50 am-2:01 pm

1 stop5h 11m

$575

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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 September 16, 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.

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.

  • How long is the flight from District of Columbia to Sioux City?

    For as low as $324, United Airlines can have you in Sioux City from District of Columbia in 7h 02m. The distance from District of Columbia to Sioux City is about 1040 mi.

  • 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

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 for District of Columbia to Sioux City

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Omaha flights
LaGuardia to Omaha flights
Denver to Omaha flights
O'Hare Intl to Omaha flights
Denver to Des Moines flights
Denver to Cedar Rapids flights
Dallas/Fort Worth to Omaha flights
Los Angeles to Omaha flights
Sky Harbor Intl to Omaha flights
John F Kennedy Intl to Omaha flights
Newark to Omaha flights
San Francisco to Omaha flights
Seattle to Des Moines flights
Reagan-National to Omaha flights
Detroit to Omaha flights
Dulles Intl to Omaha flights
Dallas/Fort Worth to Des Moines flights
John F Kennedy Intl to Des Moines flights
Sky Harbor Intl to Des Moines flights
Baltimore to Omaha flights
Reagan-National to Des Moines flights
Dulles Intl to Des Moines flights
LaGuardia to Des Moines flights
Atlanta to Des Moines flights
Love Field to Omaha flights
O'Hare Intl to Des Moines flights
Atlanta to Omaha flights
Hobby to Omaha flights
Dallas/Fort Worth to Cedar Rapids flights
Los Angeles to Cedar Rapids flights
Denver to Moline flights
John F Kennedy Intl to Cedar Rapids flights
Charlotte to Omaha flights
Hartford to Cedar Rapids flights
Philadelphia to Omaha flights
Hobby to Des Moines flights
Philadelphia to Des Moines flights
George Bush Intcntl to Omaha flights
Baltimore to Des Moines flights
Baltimore to Cedar Rapids flights
Los Angeles to Des Moines flights
Portland to Omaha flights
Sky Harbor Intl to Cedar Rapids flights
Charlotte to Des Moines flights
George Bush Intcntl to Des Moines flights
LaGuardia to Cedar Rapids flights
Reagan-National to Cedar Rapids flights
Boston to Omaha flights
Orlando to Omaha flights
Newark to Cedar Rapids flights

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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$367Average$416FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.