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Cheap flights from District of Columbia to Sioux City from $226

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to Sioux City departing on 8/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from District of Columbia to Sioux City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:05 pm - 5:54 pm
IAD
-
SUX
5h 49m
1 stop
United Airlines Logo
9:03 am - 4:01 pm
SUX
-
IAD
5h 58m
1 stop
$394United Airlines
Wed, Oct 28 - Sat, Oct 31
United Airlines Logo
8:15 am - 5:54 pm
IAD
-
SUX
10h 39m
2 stops
United Airlines Logo
9:03 am - 5:13 pm
SUX
-
IAD
7h 10m
1 stop
$497United Airlines
Wed, Oct 28 - Sat, Oct 31
United Airlines Logo
10:31 am - 5:53 pm
IAD
-
SUX
8h 22m
1 stop
United Airlines Logo
8:10 am - 7:02 pm
SUX
-
IAD
9h 52m
1 stop
$530United Airlines
Tue, Jun 30 - Tue, Jul 7
United Airlines Logo
10:15 pm - 5:53 pm
IAD
-
SUX
20h 38m
2 stops
United Airlines Logo
8:10 am - 9:24 am
SUX
-
IAD
24h 14m
1 stop
$550United Airlines
Tue, Jun 30 - Tue, Jul 7
United Airlines Logo
10:15 pm - 5:53 pm
IAD
-
SUX
20h 38m
2 stops
United Airlines Logo
8:10 am - 9:24 am
SUX
-
IAD
24h 14m
1 stop
$595United Airlines
Wed, Jul 1 - Tue, Jul 7
United Airlines Logo
1:00 pm - 5:53 pm
DCA
-
SUX
5h 53m
1 stop
United Airlines Logo
7:45 am - 3:42 pm
SUX
-
DCA
6h 57m
1 stop
$600United Airlines
Thu, Aug 6 - Wed, Aug 12
United Airlines Logo
10:15 pm - 5:53 pm
IAD
-
SUX
20h 38m
2 stops
United Airlines Logo
8:10 am - 7:15 am
SUX
-
IAD
22h 05m
2 stops
$608United Airlines
Tue, Jun 30 - Tue, Jul 7
United Airlines Logo
8:15 am - 5:54 pm
IAD
-
SUX
10h 39m
2 stops
United Airlines Logo
9:03 am - 9:17 pm
SUX
-
IAD
11h 14m
2 stops
$609United Airlines
Wed, Oct 28 - Sat, Oct 31
United Airlines Logo
8:15 am - 5:53 pm
IAD
-
SUX
10h 38m
1 stop
United Airlines Logo
8:10 am - 11:27 am
SUX
-
IAD
26h 17m
2 stops
$623United Airlines
Wed, Jul 1 - Sun, Jul 5
United Airlines Logo
10:23 pm - 11:41 pm
IAD
-
SUX
26h 18m
1 stop
United Airlines Logo
8:10 am - 12:45 am
SUX
-
IAD
15h 35m
1 stop
$638United Airlines
Wed, Jul 1 - Tue, Jul 7

United Airlines flights from District of Columbia to Sioux City

Our best United Airlines deals on District of Columbia to Sioux City flight tickets
United Airlines
Jul 1
DCA1:00 pmWashington, D.C. Reagan-National
5h 53m
1 stop
SUX5:53 pmSioux City Sioux Gateway
Jul 7
SUX8:10 amSioux City Sioux Gateway
5h 12m
1 stop
DCA2:22 pmWashington, D.C. Reagan-National
$386
United Airlines
Oct 28
IAD1:05 pmWashington, D.C. Dulles Intl
5h 49m
1 stop
SUX5:54 pmSioux City Sioux Gateway
Oct 31
SUX9:03 amSioux City Sioux Gateway
5h 58m
1 stop
IAD4:01 pmWashington, D.C. Dulles Intl
$394
United Airlines
Oct 28
IAD8:15 amWashington, D.C. Dulles Intl
10h 39m
2 stops
SUX5:54 pmSioux City Sioux Gateway
Oct 31
SUX9:03 amSioux City Sioux Gateway
7h 10m
1 stop
IAD5:13 pmWashington, D.C. Dulles Intl
$497

momondo 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, momondo users made 832,500 searches. Data last updated June 3, 2026.
Use the filters below to find and compare flights from District of Columbia to Sioux City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Wed 10/28

1:05 pm-5:54 pm

1 stop5h 49m

Sioux City Sioux Gateway

Sat 10/31

9:03 am-4:01 pm

1 stop5h 58m

$394

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Wed 10/28

8:15 am-5:54 pm

2 stops10h 39m

Sioux City Sioux Gateway

Sat 10/31

9:03 am-5:13 pm

1 stop7h 10m

$497

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Tue 6/30

10:31 am-5:53 pm

1 stop8h 22m

Sioux City Sioux Gateway

Tue 7/7

8:10 am-7:02 pm

1 stop9h 52m

$530

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Tue 6/30

10:15 pm-5:53 pm

2 stops20h 38m

Sioux City Sioux Gateway

Tue 7/7

8:10 am-9:24 am

1 stop24h 14m

$550

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Wed 7/1

10:15 pm-5:53 pm

2 stops20h 38m

Sioux City Sioux Gateway

Tue 7/7

8:10 am-9:24 am

1 stop24h 14m

$595

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Thu 8/6

1:00 pm-5:53 pm

1 stop5h 53m

Sioux City Sioux Gateway

Wed 8/12

7:45 am-3:42 pm

1 stop6h 57m

$600

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Tue 6/30

10:15 pm-5:53 pm

2 stops20h 38m

Sioux City Sioux Gateway

Tue 7/7

8:10 am-7:15 am

2 stops22h 05m

$608

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Wed 10/28

8:15 am-5:54 pm

2 stops10h 39m

Sioux City Sioux Gateway

Sat 10/31

9:03 am-9:17 pm

2 stops11h 14m

$609

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Wed 7/1

8:15 am-5:53 pm

1 stop10h 38m

Sioux City Sioux Gateway

Sun 7/5

8:10 am-11:27 am

2 stops26h 17m

$623

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Wed 7/1

10:23 pm-11:41 pm

1 stop26h 18m

Sioux City Sioux Gateway

Tue 7/7

8:10 am-12:45 am

1 stop15h 35m

$638

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sioux City from

How to get the cheapest flight ticket from District of Columbia to Sioux City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from District of Columbia to Sioux City Sioux Gateway?

United Airlines is the most popular carrier operating from District of Columbia to Sioux City Sioux Gateway

What airlines fly to Sioux City?

Delta, Southwest and United Airlines are the top three most popular airlines that fly to Sioux City from District of Columbia according to our data. Delta is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Sioux City. Keep in mind that there are 4 different airlines that fly to Sioux City on a routine basis, so you have a few additional options to choose from.

Cheap District of Columbia to Sioux City flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Sioux City

Fastest flight time

5h 49m

Direct flights

None
The fastest flight from District of Columbia to Sioux City takes 5h 49m
There are no direct flights from District of Columbia to Sioux City. There are no popular flight routes from District of Columbia to Sioux City.
Search flight deals

Frequently asked questions about flying from District of Columbia to Sioux City

  • When did momondo last update prices for flights from District of Columbia to Sioux City Sioux Gateway Airport?

    Prices for flights from District of Columbia to Sioux City Sioux Gateway Airport are refreshed on a daily basis.

  • How old do you have to be to fly from District of Columbia to Sioux City Sioux Gateway Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Sioux City Sioux Gateway Airport.

  • What documentation or ID do you need to fly to Sioux City Sioux Gateway Airport?

    The required travel and health documents for your Sioux City Sioux Gateway Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sioux City Sioux Gateway Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from District of Columbia to Sioux City

Compare and see reviews for airlines that fly from District of Columbia to Sioux City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $263Free CancellationRating
7.4
9,778 reviews
Search United Airlines flights

Traveling to a place near Sioux City?

Book flights to Sioux City if you plan to visit one of these locations
Norfolk

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Sioux City?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from District of Columbia to Sioux City for you.

Can I find flights from District of Columbia to Sioux City with flexible booking policies on momondo?

All flight searches from District of Columbia to Sioux City on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from District of Columbia to Sioux City?

momondo helps you find the best flight between District of Columbia and Sioux City by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from District of Columbia to Sioux City right now. Can momondo alert me if prices change?

If you are not ready to book a flight from District of Columbia to Sioux City now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sioux City and let you know when they change.

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