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$265+ Cheap flights from Sioux City (SUX) to District of Columbia

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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — IAD
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Find flight deals from Sioux City to District of Columbia

Best flights from Sioux City to District of Columbia
Discover carefully curated flight deals from Sioux City to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated octubre 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. 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. 3/41:00 pmSUX - DCA
1 stop5h 12mUnited Airlines
sáb. 3/710:30 amDCA - SUX
1 stop8h 02mUnited Airlines
Deal found 10/26$324
This United Airlines deal was found by Cheapflights users on 10/26. 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. 3/41:00 pmSUX - IAD
1 stop7h 23mUnited Airlines
sáb. 3/71:02 pmIAD - SUX
1 stop5h 30mUnited Airlines
Deal found 10/26$369
This United Airlines deal was found by Cheapflights users on 10/27. 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. 3/612:45 pmSUX - DCA
1 stop7h 14mUnited Airlines
mar. 3/101:00 pmDCA - SUX
1 stop5h 32mUnited Airlines
Deal found 10/27$454

Cheap flight deals from Sioux City to District of Columbia

Keep the following information in mind while searching for Sioux City to District of Columbia flight deals. Data was last updated octubre 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$324
(United Airlines)

One-way from

$265
(United Airlines)
Provider with most accurate pricing for Sioux City Sioux Gateway-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux City Sioux Gateway-Washington, D.C. (WAS) flights.
Search Deals
From Sioux City Sioux Gateway to District of Columbia
Search Deals
One-way flight from Sioux City Sioux Gateway to District of Columbia
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux City to District of Columbia 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 octubre 29, 2025.
Use the filters below to find and compare flights from Sioux City to District of Columbia that are best for you.

Fly from

Sioux City

Fly to

District of Columbia

Route

Depart

Return

Price

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

mié. 3/4

1:00 pm-7:12 pm

1 stop5h 12m

Washington, D.C. Reagan-National

sáb. 3/7

10:30 am-5:32 pm

1 stop8h 02m

$324

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

mié. 3/4

1:00 pm-9:23 pm

1 stop7h 23m

Washington, D.C. Dulles Intl

sáb. 3/7

1:02 pm-5:32 pm

1 stop5h 30m

$369

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

vie. 3/6

12:45 pm-8:59 pm

1 stop7h 14m

Washington, D.C. Reagan-National

mar. 3/10

1:00 pm-5:32 pm

1 stop5h 32m

$454

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

jue. 11/27

7:45 am-2:10 pm

1 stop5h 25m

$265

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

jue. 11/27

7:45 am-3:55 pm

1 stop7h 10m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Sioux City 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 Sioux City to District of Columbia

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

Currently, October is the cheapest month in which you can book a flight from Sioux City to District of Columbia (average of $84). Flying from Sioux City to District of Columbia in June is currently the most expensive (average of $276). 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.

Related info for your journey

Find useful and relevant information for your journey from Sioux City to District of Columbia. 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 from for flights from Sioux City to District of Columbia?

    Sioux City Sioux Gateway (SUX) is the airport you will fly out of if you book a flight from Sioux City to District of Columbia. It is only a 7.0 mi journey to Sioux Gateway (SUX) from Sioux City’s city center.

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

    United Airlines can get you from Sioux City to District of Columbia in just under 5h 12m. Your travel time can differ by up to . Airlines will cover a distance of 1040 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sioux City to District of Columbia 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 Sioux City to District of Columbia?

    Currently, October is the cheapest month in which you can book a flight from Sioux City to District of Columbia (average of $84). Flying from Sioux City to District of Columbia in June is currently the most expensive (average of $276). 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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