Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from District of Columbia to Sioux City from $324

This is the cheapest round-trip 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 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
1:00 pm - 5:28 pmDCA-SUX
5h 28m1 stop
United Airlines Logo
12:45 pm - 8:59 pmSUX-DCA
7h 14m1 stop
$324United Airlines
Find Deal
Thu, Jan 15 - Sat, Jan 17
United Airlines Logo
1:02 pm - 5:32 pmIAD-SUX
5h 30m1 stop
United Airlines Logo
12:45 pm - 9:15 pmSUX-IAD
7h 30m1 stop
$404United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
1:05 pm - 5:28 pmIAD-SUX
5h 23m1 stop
United Airlines Logo
6:00 am - 8:59 pmSUX-IAD
13h 59m2 stops
$412United Airlines
Find Deal
Thu, Jan 15 - Sat, Jan 17
United Airlines Logo
10:05 pm - 4:32 pmIAD-SUX
19h 27m2 stops
United Airlines Logo
12:45 pm - 9:15 pmSUX-IAD
7h 30m1 stop
$433United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
1:00 pm - 5:41 pmDCA-SUX
5h 41m1 stop
United Airlines Logo
12:45 pm - 8:59 pmSUX-DCA
7h 14m1 stop
$459United Airlines
Find Deal
Wed, Mar 4 - Sat, Mar 7
United Airlines Logo
1:05 pm - 5:28 pmIAD-SUX
5h 23m1 stop
United Airlines Logo
6:00 am - 4:35 pmSUX-IAD
9h 35m1 stop
$480United Airlines
Find Deal
Thu, Jan 15 - Sat, Jan 17
United Airlines Logo
10:05 pm - 4:32 pmIAD-SUX
19h 27m2 stops
United Airlines Logo
12:45 pm - 7:30 amSUX-IAD
17h 45m2 stops
$516United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
8:15 am - 5:32 pmIAD-SUX
10h 17m2 stops
United Airlines Logo
12:45 pm - 7:29 amSUX-IAD
17h 44m2 stops
$517United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
7:59 pm - 9:39 amIAD-SUX
14h 40m1 stop
United Airlines Logo
12:45 pm - 7:29 amSUX-IAD
17h 44m2 stops
$592United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
10:30 pm - 9:39 amIAD-SUX
12h 09m1 stop
United Airlines Logo
12:45 pm - 5:30 pmSUX-IAD
27h 45m1 stop
$627United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10

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
Jan 15
DCA1:00 pmWashington, D.C. Reagan-National
5h 28m
1 stop
SUX5:28 pmSioux City Sioux Gateway
Jan 17
SUX12:45 pmSioux City Sioux Gateway
7h 14m
1 stop
DCA8:59 pmWashington, D.C. Reagan-National
$324
Find similar
United Airlines
Mar 7
IAD1:02 pmWashington, D.C. Dulles Intl
5h 30m
1 stop
SUX5:32 pmSioux City Sioux Gateway
Mar 10
SUX12:45 pmSioux City Sioux Gateway
7h 30m
1 stop
IAD9:15 pmWashington, D.C. Dulles Intl
$404
Find similar
United Airlines
Jan 15
IAD1:05 pmWashington, D.C. Dulles Intl
5h 23m
1 stop
SUX5:28 pmSioux City Sioux Gateway
Jan 17
SUX6:00 amSioux City Sioux Gateway
13h 59m
2 stops
IAD8:59 pmWashington, D.C. Dulles Intl
$412
Find similar

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 November 14, 2025.
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

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Thu 1/15

1:00 pm-5:28 pm

1 stop5h 28m

Sioux City Sioux Gateway

Sat 1/17

12:45 pm-8:59 pm

1 stop7h 14m

$324

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Sat 3/7

1:02 pm-5:32 pm

1 stop5h 30m

Sioux City Sioux Gateway

Tue 3/10

12:45 pm-9:15 pm

1 stop7h 30m

$404

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Thu 1/15

1:05 pm-5:28 pm

1 stop5h 23m

Sioux City Sioux Gateway

Sat 1/17

6:00 am-8:59 pm

2 stops13h 59m

$412

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Sat 3/7

10:05 pm-4:32 pm

2 stops19h 27m

Sioux City Sioux Gateway

Tue 3/10

12:45 pm-9:15 pm

1 stop7h 30m

$433

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Wed 3/4

1:00 pm-5:41 pm

1 stop5h 41m

Sioux City Sioux Gateway

Sat 3/7

12:45 pm-8:59 pm

1 stop7h 14m

$459

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Thu 1/15

1:05 pm-5:28 pm

1 stop5h 23m

Sioux City Sioux Gateway

Sat 1/17

6:00 am-4:35 pm

1 stop9h 35m

$480

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Sat 3/7

10:05 pm-4:32 pm

2 stops19h 27m

Sioux City Sioux Gateway

Tue 3/10

12:45 pm-7:30 am

2 stops17h 45m

$516

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Sat 3/7

8:15 am-5:32 pm

2 stops10h 17m

Sioux City Sioux Gateway

Tue 3/10

12:45 pm-7:29 am

2 stops17h 44m

$517

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Sat 3/7

7:59 pm-9:39 am

1 stop14h 40m

Sioux City Sioux Gateway

Tue 3/10

12:45 pm-7:29 am

2 stops17h 44m

$592

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Sat 3/7

10:30 pm-9:39 am

1 stop12h 09m

Sioux City Sioux Gateway

Tue 3/10

12:45 pm-5:30 pm

1 stop27h 45m

$627

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Sioux City?

On average, the least expensive day to fly to Sioux City from District of Columbia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $354. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday is the most expensive day to depart from District of Columbia because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $659.

What is the cheapest time of day to depart on your flight to Sioux City?

The cheapest time of day to fly to Sioux City is in the evening when flights can be purchased for as low as $421. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $743 on average. Flights to Sioux City from District of Columbia in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights

None
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

  • 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 $367Free CancellationRating
7.4
9,017 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.

An easier way to manage your Sioux City trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 12/14
Sun 12/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States