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Cheap flights from Sioux City to Washington, D.C. 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 Sioux City to Washington, D.C. departing on 3/4. 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 Sioux City to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:45 pm - 9:27 pmSUX-BWI
7h 42m1 stop
United Airlines Logo
10:45 am - 5:32 pmBWI-SUX
7h 47m1 stop
$324United Airlines
Find Deal
mié., mar. 4 - sáb., mar. 7
United Airlines Logo
12:45 pm - 6:52 pmSUX-DCA
5h 07m1 stop
United Airlines Logo
11:30 am - 5:32 pmDCA-SUX
7h 02m1 stop
$369United Airlines
Find Deal
vie., mar. 6 - mar., mar. 10
United Airlines Logo
12:45 pm - 9:14 pmSUX-IAD
7h 29m1 stop
United Airlines Logo
1:05 pm - 5:32 pmIAD-SUX
5h 27m1 stop
$369United Airlines
Find Deal
mié., mar. 4 - sáb., mar. 7
United Airlines Logo
12:45 pm - 7:35 amSUX-IAD
17h 50m2 stops
United Airlines Logo
1:05 pm - 5:32 pmIAD-SUX
5h 27m1 stop
$413United Airlines
Find Deal
mié., mar. 4 - sáb., mar. 7
United Airlines Logo
6:00 am - 4:05 pmSUX-BWI
9h 05m2 stops
United Airlines Logo
10:45 am - 5:32 pmBWI-SUX
7h 47m1 stop
$429United Airlines
Find Deal
mié., mar. 4 - sáb., mar. 7
United Airlines Logo
12:45 pm - 9:14 pmSUX-IAD
7h 29m1 stop
United Airlines Logo
1:05 pm - 5:32 pmIAD-SUX
5h 27m1 stop
$492United Airlines
Find Deal
mié., mar. 4 - sáb., mar. 7
United Airlines Logo
12:45 pm - 6:52 pmSUX-DCA
5h 07m1 stop
United Airlines Logo
6:30 am - 11:34 pmDCA-SUX
18h 04m3 stops
$508United Airlines
Find Deal
vie., mar. 6 - mar., mar. 10
United Airlines Logo
6:51 pm - 3:07 pmSUX-DCA
19h 16m1 stop
United Airlines Logo
5:00 pm - 10:59 pmDCA-SUX
6h 59m1 stop
$512United Airlines
Find Deal
vie., oct. 24 - mar., oct. 28
United Airlines Logo
12:45 pm - 7:35 amSUX-IAD
17h 50m2 stops
United Airlines Logo
10:05 pm - 4:32 pmIAD-SUX
19h 27m2 stops
$517United Airlines
Find Deal
mié., mar. 4 - sáb., mar. 7
United Airlines Logo
12:45 pm - 8:43 pmSUX-DCA
6h 58m1 stop
United Airlines Logo
11:30 am - 5:32 pmDCA-SUX
7h 02m1 stop
$526United Airlines
Find Deal
lun., mar. 16 - mié., mar. 18

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
Mar 4
SUX12:45 pmSioux City Sioux Gateway
7h 42m
1 stop
BWI9:27 pmBaltimore/Washington
Mar 7
BWI10:45 amBaltimore/Washington
7h 47m
1 stop
SUX5:32 pmSioux City Sioux Gateway
$324
Find similar
United Airlines
Mar 4
SUX12:45 pmSioux City Sioux Gateway
7h 29m
1 stop
IAD9:14 pmWashington, D.C. Dulles Intl
Mar 7
IAD1:05 pmWashington, D.C. Dulles Intl
5h 27m
1 stop
SUX5:32 pmSioux City Sioux Gateway
$369
Find similar
United Airlines
Mar 4
SUX12:45 pmSioux City Sioux Gateway
17h 50m
2 stops
IAD7:35 amWashington, D.C. Dulles Intl
Mar 7
IAD1:05 pmWashington, D.C. Dulles Intl
5h 27m
1 stop
SUX5:32 pmSioux City Sioux Gateway
$413
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Sioux City to Washington, D.C. 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 octubre 9, 2025.
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

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

mié. 3/4

12:45 pm-9:27 pm

1 stop7h 42m

Baltimore/Washington

sáb. 3/7

10:45 am-5:32 pm

1 stop7h 47m

$324

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

vie. 3/6

12:45 pm-6:52 pm

1 stop5h 07m

Washington, D.C. Reagan-National

mar. 3/10

11:30 am-5:32 pm

1 stop7h 02m

$369

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

mié. 3/4

12:45 pm-9:14 pm

1 stop7h 29m

Washington, D.C. Dulles Intl

sáb. 3/7

1:05 pm-5:32 pm

1 stop5h 27m

$369

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

mié. 3/4

12:45 pm-7:35 am

2 stops17h 50m

Washington, D.C. Dulles Intl

sáb. 3/7

1:05 pm-5:32 pm

1 stop5h 27m

$413

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

mié. 3/4

6:00 am-4:05 pm

2 stops9h 05m

Baltimore/Washington

sáb. 3/7

10:45 am-5:32 pm

1 stop7h 47m

$429

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

mié. 3/4

12:45 pm-9:14 pm

1 stop7h 29m

Washington, D.C. Dulles Intl

sáb. 3/7

1:05 pm-5:32 pm

1 stop5h 27m

$492

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

vie. 3/6

12:45 pm-6:52 pm

1 stop5h 07m

Washington, D.C. Reagan-National

mar. 3/10

6:30 am-11:34 pm

3 stops18h 04m

$508

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

vie. 10/24

6:51 pm-3:07 pm

1 stop19h 16m

Washington, D.C. Reagan-National

mar. 10/28

5:00 pm-10:59 pm

1 stop6h 59m

$512

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

mié. 3/4

12:45 pm-7:35 am

2 stops17h 50m

Washington, D.C. Dulles Intl

sáb. 3/7

10:05 pm-4:32 pm

2 stops19h 27m

$517

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

lun. 3/16

12:45 pm-8:43 pm

1 stop6h 58m

Washington, D.C. Reagan-National

mié. 3/18

11:30 am-5:32 pm

1 stop7h 02m

$526

Flights are sorted by cheapest round-trip flights 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.

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 Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Sioux City is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $459. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Sioux City to Washington, D.C. for around $697.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

At noon is the cheapest time of day to fly from Sioux City to Washington, D.C. when you can find flight prices for as low as $385. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $486. Of course, these prices can vary depending on the time of year and what airport you fly to.

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.

Direct flights

None
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..
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  • 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 07m 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.

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

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

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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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport