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

Prices for flights from Sioux City Sioux Gateway Airport to Washington, D.C. are updated daily.

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

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 Sioux City Sioux Gateway Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$375 Cheap Flights from Sioux City to Washington, D.C. in 2026/27

Find the cheapest flights from Sioux City to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:35 am - 3:42 pmSUX Sioux City Sioux Gateway-DCA Washington, D.C. Reagan-National

6h 07m1 stop Chicago O'Hare Intl

1:15 pm - 5:53 pmDCA Washington, D.C. Reagan-National-SUX Sioux City Sioux Gateway

5h 38m1 stop Chicago O'Hare Intl

$375United Airlines

Fri, Oct 2 - Tue, Oct 6

8:35 am - 2:23 pmSUX Sioux City Sioux Gateway-DCA Washington, D.C. Reagan-National

4h 48m1 stop Chicago O'Hare Intl

12:00 pm - 5:53 pmDCA Washington, D.C. Reagan-National-SUX Sioux City Sioux Gateway

6h 53m1 stop Chicago O'Hare Intl

$384United Airlines

Tue, Oct 6 - Sat, Oct 10

9:03 am - 5:05 pmSUX Sioux City Sioux Gateway-DCA Washington, D.C. Reagan-National

7h 02m1 stop Chicago O'Hare Intl

11:55 am - 5:54 pmDCA Washington, D.C. Reagan-National-SUX Sioux City Sioux Gateway

6h 59m1 stop Chicago O'Hare Intl

$424United Airlines

Sat, Jan 30 - Wed, Feb 3

9:03 am - 5:05 pmSUX Sioux City Sioux Gateway-DCA Washington, D.C. Reagan-National

7h 02m1 stop Chicago O'Hare Intl

11:55 am - 5:54 pmDCA Washington, D.C. Reagan-National-SUX Sioux City Sioux Gateway

6h 59m1 stop Chicago O'Hare Intl

$444United Airlines

Sat, Jan 30 - Wed, Feb 3

9:03 am - 9:31 pmSUX Sioux City Sioux Gateway-BWI Baltimore/Washington

11h 28m1 stop Chicago O'Hare Intl

4:10 pm - 11:42 pmBWI Baltimore/Washington-SUX Sioux City Sioux Gateway

8h 32m1 stop Denver Intl

$483United Airlines

Sat, Jan 30 - Wed, Feb 3

9:03 am - 9:31 pmSUX Sioux City Sioux Gateway-BWI Baltimore/Washington

11h 28m1 stop Chicago O'Hare Intl

4:10 pm - 11:42 pmBWI Baltimore/Washington-SUX Sioux City Sioux Gateway

8h 32m1 stop Denver Intl

$498United Airlines

Sat, Jan 30 - Wed, Feb 3

9:03 am - 3:55 pmSUX Sioux City Sioux Gateway-IAD Washington, D.C. Dulles Intl

5h 52m1 stop Chicago O'Hare Intl

5:37 pm - 5:54 pmIAD Washington, D.C. Dulles Intl-SUX Sioux City Sioux Gateway

25h 17m1 stop Chicago O'Hare Intl

$525United Airlines

Sat, Jan 30 - Wed, Feb 3

6:58 pm - 5:17 amSUX Sioux City Sioux Gateway-IAD Washington, D.C. Dulles Intl

9h 19m1 stop Denver Intl

1:10 pm - 5:53 pmIAD Washington, D.C. Dulles Intl-SUX Sioux City Sioux Gateway

5h 43m1 stop Chicago O'Hare Intl

$526United Airlines

Fri, Oct 2 - Tue, Oct 6

9:03 am - 9:31 pmSUX Sioux City Sioux Gateway-BWI Baltimore/Washington

11h 28m1 stop Chicago O'Hare Intl

4:10 pm - 11:42 pmBWI Baltimore/Washington-SUX Sioux City Sioux Gateway

8h 32m1 stop Denver Intl

$542United Airlines

Sat, Jan 30 - Wed, Feb 3

9:03 am - 3:55 pmSUX Sioux City Sioux Gateway-IAD Washington, D.C. Dulles Intl

5h 52m1 stop Chicago O'Hare Intl

5:37 pm - 5:54 pmIAD Washington, D.C. Dulles Intl-SUX Sioux City Sioux Gateway

25h 17m1 stop Chicago O'Hare Intl

$544United Airlines

Sat, Jan 30 - Wed, Feb 3

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United Airlines flights from Sioux City to Washington, D.C.

Our best United Airlines deals on Sioux City to Washington, D.C. flight tickets

United Airlines

Oct 2

SUX8:35 amSioux City Sioux Gateway

6h 07m

1 stop

DCA3:42 pmWashington, D.C. Reagan-National

Oct 6

DCA1:15 pmWashington, D.C. Reagan-National

5h 38m

1 stop

SUX5:53 pmSioux City Sioux Gateway

$375

United Airlines

Oct 6

SUX8:35 amSioux City Sioux Gateway

4h 48m

1 stop

DCA2:23 pmWashington, D.C. Reagan-National

Oct 10

DCA12:00 pmWashington, D.C. Reagan-National

6h 53m

1 stop

SUX5:53 pmSioux City Sioux Gateway

$384

United Airlines

Jan 30

SUX9:03 amSioux City Sioux Gateway

7h 02m

1 stop

DCA5:05 pmWashington, D.C. Reagan-National

Feb 3

DCA11:55 amWashington, D.C. Reagan-National

6h 59m

1 stop

SUX5:54 pmSioux City Sioux Gateway

$424

momondo Fare Finder

Use the filters below to find and compare flights from Sioux City to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux CityWashington, D.C.

SUX Sioux City Sioux Gateway - DCA Washington, D.C. Reagan-National

SUXDCA

Sioux City Sioux Gateway

Fri 10/2

8:35 am-3:42 pm

1 stop6h 07m

Washington, D.C. Reagan-National

Tue 10/6

1:15 pm-5:53 pm

1 stop5h 38m

$375

Quickest round-trip

Sioux CityWashington, D.C.

SUX Sioux City Sioux Gateway - DCA Washington, D.C. Reagan-National

SUXDCA

Sioux City Sioux Gateway

Tue 10/6

8:35 am-2:23 pm

1 stop4h 48m

Washington, D.C. Reagan-National

Sat 10/10

12:00 pm-5:53 pm

1 stop6h 53m

$384

Sioux CityWashington, D.C.

SUX Sioux City Sioux Gateway - DCA Washington, D.C. Reagan-National

SUXDCA

Sioux City Sioux Gateway

Sat 1/30

9:03 am-5:05 pm

1 stop7h 02m

Washington, D.C. Reagan-National

Wed 2/3

11:55 am-5:54 pm

1 stop6h 59m

$424

Sioux CityWashington, D.C.

SUX Sioux City Sioux Gateway - DCA Washington, D.C. Reagan-National

SUXDCA

Sioux City Sioux Gateway

Sat 1/30

9:03 am-5:05 pm

1 stop7h 02m

Washington, D.C. Reagan-National

Wed 2/3

11:55 am-5:54 pm

1 stop6h 59m

$444

Sioux CityBaltimore

SUX Sioux City Sioux Gateway - BWI Baltimore/Washington

SUXBWI

Sioux City Sioux Gateway

Sat 1/30

9:03 am-9:31 pm

1 stop11h 28m

Baltimore/Washington

Wed 2/3

4:10 pm-11:42 pm

1 stop8h 32m

$483

Sioux CityBaltimore

SUX Sioux City Sioux Gateway - BWI Baltimore/Washington

SUXBWI

Sioux City Sioux Gateway

Sat 1/30

9:03 am-9:31 pm

1 stop11h 28m

Baltimore/Washington

Wed 2/3

4:10 pm-11:42 pm

1 stop8h 32m

$498

Sioux CityWashington, D.C.

SUX Sioux City Sioux Gateway - IAD Washington, D.C. Dulles Intl

SUXIAD

Sioux City Sioux Gateway

Sat 1/30

9:03 am-3:55 pm

1 stop5h 52m

Washington, D.C. Dulles Intl

Wed 2/3

5:37 pm-5:54 pm

1 stop25h 17m

$525

Sioux CityWashington, D.C.

SUX Sioux City Sioux Gateway - IAD Washington, D.C. Dulles Intl

SUXIAD

Sioux City Sioux Gateway

Fri 10/2

6:58 pm-5:17 am

1 stop9h 19m

Washington, D.C. Dulles Intl

Tue 10/6

1:10 pm-5:53 pm

1 stop5h 43m

$526

Sioux CityBaltimore

SUX Sioux City Sioux Gateway - BWI Baltimore/Washington

SUXBWI

Sioux City Sioux Gateway

Sat 1/30

9:03 am-9:31 pm

1 stop11h 28m

Baltimore/Washington

Wed 2/3

4:10 pm-11:42 pm

1 stop8h 32m

$542

Sioux CityWashington, D.C.

SUX Sioux City Sioux Gateway - IAD Washington, D.C. Dulles Intl

SUXIAD

Sioux City Sioux Gateway

Sat 1/30

9:03 am-3:55 pm

1 stop5h 52m

Washington, D.C. Dulles Intl

Wed 2/3

5:37 pm-5:54 pm

1 stop25h 17m

$544

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Sioux City to Washington, D.C.

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 airlines fly to Washington, D.C.?

Delta, Southwest and United Airlines are the top three most popular airlines that fly to Washington, D.C. from Sioux City according to our data. Delta is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. 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.

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux City to Washington, D.C. 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. (SUX to WAS) flight deals and tips

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

Best Price Found	$375
Fastest flight time	5h 52m
Direct flights	None

The best flight deal from Sioux City to Washington, D.C. found on momondo in the last 72 hours is $375

The fastest flight from Sioux City to Washington, D.C. takes 5h 52m

There are no direct flights from Sioux City to Washington, D.C.. There are no popular flight routes from Sioux City to Washington, D.C..

Search flight deals

Frequently asked questions about flying from Sioux City to Washington, D.C.

How far is Sioux City Sioux Gateway to Washington, D.C. by plane?
A flight from Sioux City Sioux Gateway to Washington, D.C. will travel around 1041.1 mi. 5h 52m 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.?
Prices for flights from Sioux City Sioux Gateway Airport to Washington, D.C. are updated daily.
How old do you have to be to fly from Sioux City Sioux Gateway Airport to Washington, D.C.?
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 Sioux City Sioux Gateway Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Alexandria

National Harbor

Arlington

Gettysburg

Fredericksburg

Waldorf

Laurel

Woodbridge

Linthicum Heights

Gaithersburg

Rockville

Silver Spring

Towson

Fairfax

Springfield

Glen Burnie

Edgewood

Colonial Beach

College Park

Bethesda

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?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Sioux City with this policy.

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

momondo helps you find the best flight between Sioux City and Washington, D.C. 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 Sioux City to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Sioux City are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Sioux City to Washington, D.C. from $375

This is the cheapest round-trip 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 10/2. 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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United Airlines flights from Sioux City to Washington, D.C.

Our best United Airlines deals on Sioux City to Washington, D.C. flight tickets

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How to get the cheapest flight ticket from Sioux City to Washington, D.C.

What airlines fly to Washington, D.C.?

When to book flights from Sioux City to Washington, D.C.

Cheap Sioux City to Washington, D.C. (SUX to WAS) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Sioux City to Washington, D.C.

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

Why use momondo?

An easier way to manage your Washington, D.C. 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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