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Cheap flights from Sioux City to Washington, D.C. from $207

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux City to Washington, D.C. departing on 4/27. 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 Sioux City to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:55 pm - 9:06 pm
SUX
-
DCA
7h 11m
1 stop
United Airlines Logo
1:00 pm - 6:06 pm
DCA
-
SUX
6h 06m
1 stop
$484United Airlines
Fri, Apr 24 - Fri, May 1
United Airlines Logo
12:55 pm - 7:13 pm
SUX
-
DCA
5h 18m
1 stop
United Airlines Logo
6:30 am - 6:06 pm
DCA
-
SUX
12h 36m
1 stop
$602United Airlines
Mon, Apr 27 - Fri, May 1
United Airlines Logo
7:43 am - 11:01 am
SUX
-
DCA
26h 18m
1 stop
United Airlines Logo
11:57 am - 5:54 pm
DCA
-
SUX
6h 57m
1 stop
$693United Airlines
Sun, Jul 5 - Fri, Jul 10
United Airlines Logo
12:55 pm - 10:48 pm
SUX
-
DCA
8h 53m
1 stop
United Airlines Logo
11:55 am - 6:06 pm
DCA
-
SUX
7h 11m
1 stop
$694United Airlines
Mon, Apr 27 - Thu, Apr 30
United Airlines Logo
12:55 pm - 8:15 pm
SUX
-
DCA
6h 20m
1 stop
United Airlines Logo
7:00 am - 6:06 pm
DCA
-
SUX
12h 06m
2 stops
$707United Airlines
Mon, Apr 27 - Fri, May 1
United Airlines Logo
12:55 pm - 7:13 pm
SUX
-
DCA
5h 18m
1 stop
United Airlines Logo
7:00 am - 6:06 pm
DCA
-
SUX
12h 06m
2 stops
$771United Airlines
Fri, Apr 24 - Fri, May 1
United Airlines Logo
6:00 am - 5:25 pm
SUX
-
DCA
10h 25m
2 stops
United Airlines Logo
11:55 am - 6:06 pm
DCA
-
SUX
7h 11m
1 stop
$808United Airlines
Mon, Apr 27 - Thu, Apr 30
United Airlines Logo
12:55 pm - 9:31 pm
SUX
-
DCA
7h 36m
2 stops
United Airlines Logo
9:00 am - 6:06 pm
DCA
-
SUX
10h 06m
2 stops
$1,064United Airlines
Fri, Apr 24 - Fri, May 1
United Airlines Logo
7:43 am - 2:22 pm
SUX
-
DCA
5h 39m
1 stop
United Airlines Logo
8:30 am - 5:54 pm
DCA
-
SUX
10h 24m
2 stops
$1,090United Airlines
Sun, Jul 5 - Fri, Jul 10
United Airlines Logo
6:00 am - 4:24 pm
SUX
-
DCA
9h 24m
2 stops
United Airlines Logo
10:05 am - 6:06 pm
DCA
-
SUX
9h 01m
2 stops
$1,243United Airlines
Mon, Apr 27 - Thu, Apr 30

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

Our best United Airlines deals on Sioux City to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
Apr 30
SUX12:55 pmSioux City Sioux Gateway
5h 10m
1 stop
DCA7:05 pmWashington, D.C. Reagan-National
May 7
DCA1:00 pmWashington, D.C. Reagan-National
6h 06m
1 stop
SUX6:06 pmSioux City Sioux Gateway
$364
United Airlines
Apr 24
SUX12:55 pmSioux City Sioux Gateway
7h 11m
1 stop
DCA9:06 pmWashington, D.C. Reagan-National
May 1
DCA1:00 pmWashington, D.C. Reagan-National
6h 06m
1 stop
SUX6:06 pmSioux City Sioux Gateway
$484
United Airlines
Apr 21
SUX12:55 pmSioux City Sioux Gateway
6h 20m
1 stop
DCA8:15 pmWashington, D.C. Reagan-National
Apr 23
DCA11:55 amWashington, D.C. Reagan-National
7h 01m
1 stop
SUX5:56 pmSioux City Sioux Gateway
$526

momondo Fare Finder

 
Customize your flight search to find flights from Sioux City to Washington, D.C. Reagan-National Airport 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 March 30, 2026.
Use the filters below to find and compare flights from Sioux City to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Fri 4/24

12:55 pm-9:06 pm

1 stop7h 11m

Washington, D.C. Reagan-National

Fri 5/1

1:00 pm-6:06 pm

1 stop6h 06m

$484

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Mon 4/27

12:55 pm-7:13 pm

1 stop5h 18m

Washington, D.C. Reagan-National

Fri 5/1

6:30 am-6:06 pm

1 stop12h 36m

$602

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Sun 7/5

7:43 am-11:01 am

1 stop26h 18m

Washington, D.C. Reagan-National

Fri 7/10

11:57 am-5:54 pm

1 stop6h 57m

$693

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Mon 4/27

12:55 pm-10:48 pm

1 stop8h 53m

Washington, D.C. Reagan-National

Thu 4/30

11:55 am-6:06 pm

1 stop7h 11m

$694

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Mon 4/27

12:55 pm-8:15 pm

1 stop6h 20m

Washington, D.C. Reagan-National

Fri 5/1

7:00 am-6:06 pm

2 stops12h 06m

$707

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Fri 4/24

12:55 pm-7:13 pm

1 stop5h 18m

Washington, D.C. Reagan-National

Fri 5/1

7:00 am-6:06 pm

2 stops12h 06m

$771

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Mon 4/27

6:00 am-5:25 pm

2 stops10h 25m

Washington, D.C. Reagan-National

Thu 4/30

11:55 am-6:06 pm

1 stop7h 11m

$808

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Fri 4/24

12:55 pm-9:31 pm

2 stops7h 36m

Washington, D.C. Reagan-National

Fri 5/1

9:00 am-6:06 pm

2 stops10h 06m

$1,064

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Sun 7/5

7:43 am-2:22 pm

1 stop5h 39m

Washington, D.C. Reagan-National

Fri 7/10

8:30 am-5:54 pm

2 stops10h 24m

$1,090

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Mon 4/27

6:00 am-4:24 pm

2 stops9h 24m

Washington, D.C. Reagan-National

Thu 4/30

10:05 am-6:06 pm

2 stops9h 01m

$1,243

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Sioux City to Washington, D.C. Reagan-National Airport

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

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

What airlines fly to Washington, D.C. Reagan-National Airport?

Delta, Southwest and United Airlines are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Sioux City according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 5 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

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

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

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

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

Fastest flight time

6h 20m

Direct flights

None
The fastest flight from Sioux City to Washington, D.C. Reagan-National Airport takes 6h 20m
There are no direct flights from Sioux City to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Sioux City to Washington, D.C. Reagan-National Airport.
Search flight deals

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

    The straight-line distance from Sioux City Sioux Gateway to Washington, D.C. Reagan-National is 1042.2 mi. 6h 20m is a normal flight duration for this route.

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

    Prices for flights from Sioux City Sioux Gateway Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux City Sioux Gateway Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Reagan-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Linthicum Heights
Springfield
Bethesda
Fairfax
College Park

Why use momondo?

Why should I use momondo to find a flight deal from Sioux City to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Sioux City.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Sioux City.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Sioux City. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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