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Cheap flights from District of Columbia to Sioux City from $288

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 9/15. 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

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Find the cheapest flights from District of Columbia to Sioux City

Cheap round-trip flights

United Airlines Logo
7:00 pm - 11:00 pmDCA-SUX
5h 00m1 stop
United Airlines Logo
7:50 am - 2:16 pmSUX-DCA
5h 26m1 stop
$586United Airlines
Find Deal
Fri, Sep 26 - Sun, Sep 28
United Airlines Logo
7:00 pm - 11:00 pmDCA-SUX
5h 00m1 stop
United Airlines Logo
6:51 pm - 10:28 amSUX-DCA
14h 37m2 stops
$591United Airlines
Find Deal
Fri, Sep 26 - Sun, Sep 28
United Airlines Logo
10:09 pm - 6:14 pmIAD-SUX
21h 05m1 stop
United Airlines Logo
6:51 pm - 5:24 amSUX-IAD
9h 33m1 stop
$600United Airlines
Find Deal
Fri, Sep 26 - Sun, Sep 28
United Airlines Logo
8:20 am - 11:00 pmIAD-SUX
15h 40m2 stops
United Airlines Logo
6:51 pm - 5:24 amSUX-IAD
9h 33m1 stop
$610United Airlines
Find Deal
Fri, Sep 26 - Sun, Sep 28
United Airlines Logo
8:20 am - 11:00 pmIAD-SUX
15h 40m2 stops
United Airlines Logo
7:50 am - 7:35 amSUX-IAD
22h 45m2 stops
$643United Airlines
Find Deal
Fri, Sep 26 - Sun, Sep 28
United Airlines Logo
5:00 pm - 10:57 pmDCA-SUX
6h 57m1 stop
United Airlines Logo
7:49 am - 2:16 pmSUX-DCA
5h 27m1 stop
$662United Airlines
Find Deal
Mon, Aug 25 - Thu, Aug 28
United Airlines Logo
5:10 pm - 10:57 pmIAD-SUX
6h 47m1 stop
United Airlines Logo
7:49 am - 1:49 pmSUX-IAD
5h 00m1 stop
$726United Airlines
Find Deal
Mon, Aug 25 - Thu, Aug 28
United Airlines Logo
1:00 pm - 10:57 pmDCA-SUX
10h 57m2 stops
United Airlines Logo
7:49 am - 3:51 pmSUX-DCA
7h 02m1 stop
$820United Airlines
Find Deal
Mon, Aug 25 - Thu, Aug 28
United Airlines Logo
6:40 pm - 10:57 pmIAD-SUX
5h 17m1 stop
United Airlines Logo
7:49 am - 4:07 pmSUX-IAD
7h 18m2 stops
$820United Airlines
Find Deal
Mon, Aug 25 - Thu, Aug 28
United Airlines Logo
5:35 pm - 10:57 pmIAD-SUX
6h 22m2 stops
United Airlines Logo
7:49 am - 4:07 pmSUX-IAD
7h 18m2 stops
$970United Airlines
Find Deal
Mon, Aug 25 - Thu, Aug 28

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
Sep 26
DCA7:00 pmWashington, D.C. Reagan-National
5h 00m
1 stop
SUX11:00 pmSioux City Sioux Gateway
Sep 28
SUX7:50 amSioux City Sioux Gateway
5h 26m
1 stop
DCA2:16 pmWashington, D.C. Reagan-National
$586
Find similar
United Airlines
Sep 26
DCA7:00 pmWashington, D.C. Reagan-National
5h 00m
1 stop
SUX11:00 pmSioux City Sioux Gateway
Sep 28
SUX6:51 pmSioux City Sioux Gateway
14h 37m
2 stops
DCA10:28 amWashington, D.C. Reagan-National
$591
Find similar
United Airlines
Sep 26
IAD10:09 pmWashington, D.C. Dulles Intl
21h 05m
1 stop
SUX6:14 pmSioux City Sioux Gateway
Sep 28
SUX6:51 pmSioux City Sioux Gateway
9h 33m
1 stop
IAD5:24 amWashington, D.C. Dulles Intl
$600
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 August 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

Fri 9/26

7:00 pm-11:00 pm

1 stop5h 00m

Sioux City Sioux Gateway

Sun 9/28

7:50 am-2:16 pm

1 stop5h 26m

$586

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Fri 9/26

7:00 pm-11:00 pm

1 stop5h 00m

Sioux City Sioux Gateway

Sun 9/28

6:51 pm-10:28 am

2 stops14h 37m

$591

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Fri 9/26

10:09 pm-6:14 pm

1 stop21h 05m

Sioux City Sioux Gateway

Sun 9/28

6:51 pm-5:24 am

1 stop9h 33m

$600

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Fri 9/26

8:20 am-11:00 pm

2 stops15h 40m

Sioux City Sioux Gateway

Sun 9/28

6:51 pm-5:24 am

1 stop9h 33m

$610

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Fri 9/26

8:20 am-11:00 pm

2 stops15h 40m

Sioux City Sioux Gateway

Sun 9/28

7:50 am-7:35 am

2 stops22h 45m

$643

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Mon 8/25

5:00 pm-10:57 pm

1 stop6h 57m

Sioux City Sioux Gateway

Thu 8/28

7:49 am-2:16 pm

1 stop5h 27m

$662

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Mon 8/25

5:10 pm-10:57 pm

1 stop6h 47m

Sioux City Sioux Gateway

Thu 8/28

7:49 am-1:49 pm

1 stop5h 00m

$726

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Mon 8/25

1:00 pm-10:57 pm

2 stops10h 57m

Sioux City Sioux Gateway

Thu 8/28

7:49 am-3:51 pm

1 stop7h 02m

$820

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Mon 8/25

6:40 pm-10:57 pm

1 stop5h 17m

Sioux City Sioux Gateway

Thu 8/28

7:49 am-4:07 pm

2 stops7h 18m

$820

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Mon 8/25

5:35 pm-10:57 pm

2 stops6h 22m

Sioux City Sioux Gateway

Thu 8/28

7:49 am-4:07 pm

2 stops7h 18m

$970

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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

Best Price Found

$288

Fastest flight time

5h 00m

Direct flights

None

Airports in Sioux City

1 airport
The best one-way flight to Sioux City from District of Columbia in the past 72 hours is $288. The best round-trip flight deal from District of Columbia to Sioux City found on momondo in the last 72 hours is $586.
The fastest flight from District of Columbia to Sioux City takes 5h 00m
There are no direct flights from District of Columbia to Sioux City. Popular non-direct routes for this connection are Washington, D.C. Reagan-National Airport - Sioux City Sioux Gateway Airport and Washington, D.C. Dulles Intl Airport - Sioux City Sioux Gateway Airport.
There is 1 airport near Sioux City: Sioux City Sioux Gateway (SUX)
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  • 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
8,916 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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