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Sioux City

$323+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SUX
dic. 5 — dic. 121
vie. 12/5
vie. 12/12
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 noviembre 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$244
(United Airlines)
Provider with most accurate pricing for Washington, D.C. (WAS)-Sioux City Sioux Gateway flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sioux City Sioux Gateway flights.
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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 noviembre 5, 2025.

This United Airlines deal was found by Cheapflights users on 11/2. 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.
mié. 12/246:00 pmDCA - SUX
1 stop6h 15mUnited Airlines
vie. 1/912:45 pmSUX - DCA
1 stop7h 14mUnited Airlines
Deal found 11/2$324
This United Airlines deal was found by Cheapflights users on 11/5. 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.
vie. 12/56:00 pmDCA - SUX
1 stop5h 59mUnited Airlines
vie. 12/127:50 amSUX - DCA
1 stop6h 48mUnited Airlines
Deal found 11/5$362
This United Airlines deal was found by Cheapflights users on 11/2. 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.
mar. 12/237:00 pmDCA - SUX
1 stop5h 15mUnited Airlines
sáb. 1/1012:45 pmSUX - DCA
1 stop7h 14mUnited Airlines
Deal found 11/2$437
This United Airlines deal was found by Cheapflights users on 11/3. 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.
mié. 11/199:57 amIAD - SUX
1 stop9h 11mUnited Airlines
dom. 11/237:45 amSUX - IAD
1 stop7h 10mUnited Airlines
Deal found 11/3$454
This United Airlines deal was found by Cheapflights users on 11/2. 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.
mié. 12/246:00 pmDCA - SUX
1 stop6h 15mUnited Airlines
lun. 1/57:50 amSUX - DCA
1 stop6h 42mUnited Airlines
Deal found 11/2$464
This United Airlines deal was found by Cheapflights users on 11/5. 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.
vie. 12/55:15 pmIAD - SUX
1 stop6h 44mUnited Airlines
vie. 12/126:52 pmSUX - IAD
1 stop20h 38mUnited Airlines
Deal found 11/5$512
This United Airlines deal was found by Cheapflights users on 11/2. 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.
mar. 12/237:00 pmDCA - SUX
1 stop5h 15mUnited Airlines
jue. 1/17:50 amSUX - DCA
1 stop5h 27mUnited Airlines
Deal found 11/2$550
This United Airlines deal was found by Cheapflights users on 11/2. 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.
mié. 12/246:00 pmDCA - SUX
1 stop6h 15mUnited Airlines
sáb. 1/1012:45 pmSUX - DCA
2 stops8h 07mUnited Airlines
Deal found 11/2$556
This United Airlines deal was found by Cheapflights users on 11/2. 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.
mié. 12/246:00 pmDCA - SUX
1 stop6h 15mUnited Airlines
vie. 1/27:50 amSUX - DCA
1 stop5h 27mUnited Airlines
Deal found 11/2$564
This United Airlines deal was found by Cheapflights users on 11/2. 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.
mar. 12/237:00 pmDCA - SUX
1 stop5h 15mUnited Airlines
lun. 1/57:50 amSUX - DCA
1 stop6h 42mUnited Airlines
Deal found 11/2$577
This United Airlines deal was found by Cheapflights users on 11/3. 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.
mié. 11/1912:00 pmDCA - SUX
1 stop11h 59mUnited Airlines
dom. 11/237:45 amSUX - DCA
1 stop5h 25mUnited Airlines
Deal found 11/3$591
This United Airlines deal was found by Cheapflights users on 11/5. 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.
jue. 12/181:00 pmIAD - SUX
1 stop11h 15mUnited Airlines
mié. 12/247:50 amSUX - IAD
1 stop12h 31mUnited Airlines
Deal found 11/5$612

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 noviembre 5, 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

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

jue. 1/15

1:05 pm-5:28 pm

1 stop5h 23m

Sioux City Sioux Gateway

sáb. 1/17

12:45 pm-9:17 pm

1 stop7h 32m

$323

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

mié. 12/24

6:00 pm-11:15 pm

1 stop6h 15m

Sioux City Sioux Gateway

vie. 1/9

12:45 pm-8:59 pm

1 stop7h 14m

$324

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

vie. 12/5

6:00 pm-10:59 pm

1 stop5h 59m

Sioux City Sioux Gateway

vie. 12/12

7:50 am-3:38 pm

1 stop6h 48m

$362

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

sáb. 3/7

1:02 pm-5:32 pm

1 stop5h 30m

Sioux City Sioux Gateway

mar. 3/10

12:45 pm-9:15 pm

1 stop7h 30m

$404

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

mar. 12/23

7:00 pm-11:15 pm

1 stop5h 15m

Sioux City Sioux Gateway

vie. 1/9

12:45 pm-8:59 pm

1 stop7h 14m

$437

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

jue. 12/25

10:30 am-3:53 pm

1 stop6h 23m

Sioux City Sioux Gateway

sáb. 1/10

12:45 pm-8:59 pm

1 stop7h 14m

$437

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

mié. 11/19

9:57 am-6:08 pm

1 stop9h 11m

Sioux City Sioux Gateway

dom. 11/23

7:45 am-3:55 pm

1 stop7h 10m

$454

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

vie. 12/5

5:15 pm-10:59 pm

1 stop6h 44m

Sioux City Sioux Gateway

vie. 12/12

6:52 pm-4:30 pm

1 stop20h 38m

$512

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

mié. 12/24

5:00 pm-11:15 pm

1 stop7h 15m

Sioux City Sioux Gateway

lun. 1/5

6:54 pm-2:16 pm

2 stops18h 22m

$523

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

jue. 12/25

10:30 am-3:53 pm

1 stop6h 23m

Sioux City Sioux Gateway

jue. 1/1

7:50 am-2:17 pm

1 stop5h 27m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 14 results
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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, January is the cheapest month in which you can book a flight from District of Columbia to Sioux City (average of $138). Flying from District of Columbia to Sioux City in April is currently the most expensive (average of $270). 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 noviembre 5, 2025.

When flying from District of Columbia to Sioux City, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 46% versus a flight at noon.

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 $323, United Airlines can have you in Sioux City from District of Columbia in 5h 23m. The distance from District of Columbia to Sioux City is about 1017 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, January is the cheapest month in which you can book a flight from District of Columbia to Sioux City (average of $138). Flying from District of Columbia to Sioux City in April is currently the most expensive (average of $270). 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

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Alternative routes for District of Columbia to 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 noviembre 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$367Average$416FlexibilityNo cancel feeOn-time69%

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