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Cheap flights from Washington, D.C. Reagan-National Airport to Sioux City from $366

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Sioux City departing on 4/28. 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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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Sioux City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:55 am - 5:56 pm
DCA
-
SUX
7h 01m
1 stop
United Airlines Logo
12:55 pm - 9:06 pm
SUX
-
DCA
7h 11m
1 stop
$384United Airlines
do, apr. 23 - za, apr. 25
United Airlines Logo
11:55 am - 5:56 pm
DCA
-
SUX
7h 01m
1 stop
United Airlines Logo
6:00 am - 8:55 pm
SUX
-
DCA
13h 55m
2 stops
$449United Airlines
do, apr. 23 - za, apr. 25
United Airlines Logo
11:55 am - 5:56 pm
DCA
-
SUX
7h 01m
1 stop
United Airlines Logo
12:55 pm - 9:06 pm
SUX
-
DCA
7h 11m
1 stop
$514United Airlines
do, apr. 23 - ma, apr. 27
United Airlines Logo
11:55 am - 5:56 pm
DCA
-
SUX
7h 01m
1 stop
United Airlines Logo
12:55 pm - 9:06 pm
SUX
-
DCA
7h 11m
1 stop
$554United Airlines
vr, apr. 24 - za, apr. 25
United Airlines Logo
1:00 pm - 5:56 pm
DCA
-
SUX
5h 56m
1 stop
United Airlines Logo
12:55 pm - 9:06 pm
SUX
-
DCA
7h 11m
1 stop
$574United Airlines
za, apr. 25 - ma, apr. 27
United Airlines Logo
11:55 am - 5:56 pm
DCA
-
SUX
7h 01m
1 stop
United Airlines Logo
12:55 pm - 10:43 pm
SUX
-
DCA
8h 48m
1 stop
$619United Airlines
do, apr. 23 - zo, apr. 26
United Airlines Logo
1:00 pm - 5:56 pm
DCA
-
SUX
5h 56m
1 stop
United Airlines Logo
12:55 pm - 10:43 pm
SUX
-
DCA
8h 48m
1 stop
$679United Airlines
za, apr. 25 - zo, apr. 26
United Airlines Logo
1:00 pm - 5:56 pm
DCA
-
SUX
5h 56m
1 stop
United Airlines Logo
12:55 pm - 9:06 pm
SUX
-
DCA
7h 11m
1 stop
$684United Airlines
vr, apr. 24 - ma, apr. 27
United Airlines Logo
4:11 pm - 10:45 am
DCA
-
SUX
19h 34m
1 stop
United Airlines Logo
12:53 pm - 8:59 pm
SUX
-
DCA
7h 06m
1 stop
$779United Airlines
ma, mrt. 16 - vr, mrt. 20
United Airlines Logo
11:55 am - 5:56 pm
DCA
-
SUX
7h 01m
1 stop
United Airlines Logo
12:55 pm - 9:06 pm
SUX
-
DCA
7h 11m
1 stop
$784United Airlines
do, apr. 16 - zo, apr. 19

United Airlines flights from Washington, D.C. Reagan-National Airport to Sioux City

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Sioux City flight tickets
United Airlines
Apr 23
DCA11:55 amWashington, D.C. Reagan-National
7h 01m
1 stop
SUX5:56 pmSioux City Sioux Gateway
Apr 25
SUX12:55 pmSioux City Sioux Gateway
7h 11m
1 stop
DCA9:06 pmWashington, D.C. Reagan-National
$384
United Airlines
Apr 29
DCA6:00 pmWashington, D.C. Reagan-National
25h 06m
1 stop
SUX6:06 pmSioux City Sioux Gateway
May 2
SUX12:55 pmSioux City Sioux Gateway
6h 20m
1 stop
DCA8:15 pmWashington, D.C. Reagan-National
$445
United Airlines
Apr 23
DCA11:55 amWashington, D.C. Reagan-National
7h 01m
1 stop
SUX5:56 pmSioux City Sioux Gateway
Apr 25
SUX6:00 amSioux City Sioux Gateway
13h 55m
2 stops
DCA8:55 pmWashington, D.C. Reagan-National
$449

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 maart 2, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport 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

do 4/23

11:55 am-5:56 pm

1 stop7h 01m

Sioux City Sioux Gateway

za 4/25

12:55 pm-9:06 pm

1 stop7h 11m

$384

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

do 4/23

11:55 am-5:56 pm

1 stop7h 01m

Sioux City Sioux Gateway

za 4/25

6:00 am-8:55 pm

2 stops13h 55m

$449

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

do 4/23

11:55 am-5:56 pm

1 stop7h 01m

Sioux City Sioux Gateway

ma 4/27

12:55 pm-9:06 pm

1 stop7h 11m

$514

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

vr 4/24

11:55 am-5:56 pm

1 stop7h 01m

Sioux City Sioux Gateway

za 4/25

12:55 pm-9:06 pm

1 stop7h 11m

$554

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

za 4/25

1:00 pm-5:56 pm

1 stop5h 56m

Sioux City Sioux Gateway

ma 4/27

12:55 pm-9:06 pm

1 stop7h 11m

$574

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

do 4/23

11:55 am-5:56 pm

1 stop7h 01m

Sioux City Sioux Gateway

zo 4/26

12:55 pm-10:43 pm

1 stop8h 48m

$619

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

za 4/25

1:00 pm-5:56 pm

1 stop5h 56m

Sioux City Sioux Gateway

zo 4/26

12:55 pm-10:43 pm

1 stop8h 48m

$679

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

vr 4/24

1:00 pm-5:56 pm

1 stop5h 56m

Sioux City Sioux Gateway

ma 4/27

12:55 pm-9:06 pm

1 stop7h 11m

$684

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

ma 3/16

4:11 pm-10:45 am

1 stop19h 34m

Sioux City Sioux Gateway

vr 3/20

12:53 pm-8:59 pm

1 stop7h 06m

$779

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

do 4/16

11:55 am-5:56 pm

1 stop7h 01m

Sioux City Sioux Gateway

zo 4/19

12:55 pm-9:06 pm

1 stop7h 11m

$784

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 Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National to Sioux City Sioux Gateway?

United Airlines is the most popular carrier operating from Washington, D.C. Reagan-National to Sioux City Sioux Gateway

What airlines fly to Sioux City?

Delta, Southwest and American Airlines are the top three most popular airlines that fly to Sioux City from Washington, D.C. Reagan-National Airport according to our data. Delta is the first choice among our users, with 43% 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.

When to book flights from Washington, D.C. Reagan-National Airport to Sioux City

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to Sioux City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to Sioux City (DCA to SUX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Sioux City

Fastest flight time

7h 01m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Sioux City takes 7h 01m
There are no direct flights from Washington, D.C. Reagan-National Airport to Sioux City. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Sioux City.
Search flight deals

  • How far is Washington, D.C. Reagan-National to Sioux City Sioux Gateway by plane?

    The straight-line distance from Washington, D.C. Reagan-National to Sioux City Sioux Gateway is 1042.2 mi. In terms of flight time, this usually takes a little over 7h 01m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Sioux City Sioux Gateway Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to Sioux City Sioux Gateway Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Sioux City Sioux Gateway Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport 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.

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 Washington, D.C. 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 Washington, D.C. to Sioux City for you.

Can I find flights from Washington, D.C. to Sioux City with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sioux City from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington, D.C. to Sioux City?

Once all potential Washington, D.C. to Sioux City flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Sioux City right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Sioux City flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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