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Cheap flights from Washington, D.C. Dulles Intl Airport to Sioux City from $404

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Sioux City departing on 3/7. 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. Dulles Intl Airport to Sioux City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:02 pm - 5:32 pmIAD-SUX
5h 30m1 stop
United Airlines Logo
12:45 pm - 9:15 pmSUX-IAD
7h 30m1 stop
$404United Airlines
Find Deal
sáb, mar 7 - ter, mar 10
United Airlines Logo
1:05 pm - 5:28 pmIAD-SUX
5h 23m1 stop
United Airlines Logo
6:43 pm - 1:17 pmSUX-IAD
17h 34m1 stop
$432United Airlines
Find Deal
sex, fev 6 - seg, fev 9
United Airlines Logo
10:05 pm - 4:32 pmIAD-SUX
19h 27m2 stops
United Airlines Logo
12:45 pm - 9:15 pmSUX-IAD
7h 30m1 stop
$433United Airlines
Find Deal
sáb, mar 7 - ter, mar 10
United Airlines Logo
1:05 pm - 5:28 pmIAD-SUX
5h 23m1 stop
United Airlines Logo
12:45 pm - 7:30 amSUX-IAD
17h 45m2 stops
$457United Airlines
Find Deal
sex, fev 6 - seg, fev 9
United Airlines Logo
1:00 pm - 11:15 pmIAD-SUX
11h 15m1 stop
United Airlines Logo
12:45 pm - 9:17 pmSUX-IAD
7h 32m1 stop
$463United Airlines
Find Deal
qua, dez 24 - sex, jan 9
United Airlines Logo
6:30 am - 3:53 pmIAD-SUX
10h 23m1 stop
United Airlines Logo
12:45 pm - 9:17 pmSUX-IAD
7h 32m1 stop
$473United Airlines
Find Deal
qui, dez 25 - sex, jan 9
United Airlines Logo
10:05 pm - 4:32 pmIAD-SUX
19h 27m2 stops
United Airlines Logo
12:45 pm - 11:51 amSUX-IAD
22h 06m2 stops
$517United Airlines
Find Deal
sáb, mar 7 - ter, mar 10
United Airlines Logo
8:15 am - 11:15 pmIAD-SUX
16h 00m1 stop
United Airlines Logo
6:54 pm - 1:17 pmSUX-IAD
17h 23m1 stop
$540United Airlines
Find Deal
qua, dez 24 - seg, jan 5
United Airlines Logo
8:15 am - 11:15 pmIAD-SUX
16h 00m2 stops
United Airlines Logo
6:54 pm - 1:17 pmSUX-IAD
17h 23m1 stop
$546United Airlines
Find Deal
qua, dez 24 - seg, jan 5
United Airlines Logo
1:00 pm - 11:15 pmIAD-SUX
11h 15m1 stop
United Airlines Logo
12:45 pm - 9:17 pmSUX-IAD
7h 32m1 stop
$579United Airlines
Find Deal
ter, dez 23 - sex, jan 9

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Sioux City flight tickets
United Airlines
Mar 7
IAD1:02 pmWashington, D.C. Dulles Intl
5h 30m
1 stop
SUX5:32 pmSioux City Sioux Gateway
Mar 10
SUX12:45 pmSioux City Sioux Gateway
7h 30m
1 stop
IAD9:15 pmWashington, D.C. Dulles Intl
$404
Find similar
United Airlines
Feb 6
IAD1:05 pmWashington, D.C. Dulles Intl
5h 23m
1 stop
SUX5:28 pmSioux City Sioux Gateway
Feb 9
SUX6:43 pmSioux City Sioux Gateway
17h 34m
1 stop
IAD1:17 pmWashington, D.C. Dulles Intl
$432
Find similar
United Airlines
Mar 7
IAD10:05 pmWashington, D.C. Dulles Intl
19h 27m
2 stops
SUX4:32 pmSioux City Sioux Gateway
Mar 10
SUX12:45 pmSioux City Sioux Gateway
7h 30m
1 stop
IAD9:15 pmWashington, D.C. Dulles Intl
$433
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl 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 novembro 3, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sioux City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

sáb 3/7

1:02 pm-5:32 pm

1 stop5h 30m

Sioux City Sioux Gateway

ter 3/10

12:45 pm-9:15 pm

1 stop7h 30m

$404

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

sex 2/6

1:05 pm-5:28 pm

1 stop5h 23m

Sioux City Sioux Gateway

seg 2/9

6:43 pm-1:17 pm

1 stop17h 34m

$432

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

sáb 3/7

10:05 pm-4:32 pm

2 stops19h 27m

Sioux City Sioux Gateway

ter 3/10

12:45 pm-9:15 pm

1 stop7h 30m

$433

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

sex 2/6

1:05 pm-5:28 pm

1 stop5h 23m

Sioux City Sioux Gateway

seg 2/9

12:45 pm-7:30 am

2 stops17h 45m

$457

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

qua 12/24

1:00 pm-11:15 pm

1 stop11h 15m

Sioux City Sioux Gateway

sex 1/9

12:45 pm-9:17 pm

1 stop7h 32m

$463

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

qui 12/25

6:30 am-3:53 pm

1 stop10h 23m

Sioux City Sioux Gateway

sex 1/9

12:45 pm-9:17 pm

1 stop7h 32m

$473

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

sáb 3/7

10:05 pm-4:32 pm

2 stops19h 27m

Sioux City Sioux Gateway

ter 3/10

12:45 pm-11:51 am

2 stops22h 06m

$517

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

qua 12/24

8:15 am-11:15 pm

1 stop16h 00m

Sioux City Sioux Gateway

seg 1/5

6:54 pm-1:17 pm

1 stop17h 23m

$540

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

qua 12/24

8:15 am-11:15 pm

2 stops16h 00m

Sioux City Sioux Gateway

seg 1/5

6:54 pm-1:17 pm

1 stop17h 23m

$546

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

ter 12/23

1:00 pm-11:15 pm

1 stop11h 15m

Sioux City Sioux Gateway

sex 1/9

12:45 pm-9:17 pm

1 stop7h 32m

$579

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Sioux City from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl 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 day to depart on your flight to Sioux City?

On average, the least expensive day to fly to Sioux City from Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport 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 Washington, D.C. Dulles Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Sioux City. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Sioux City.
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  • How far is Washington, D.C. Dulles Intl to Sioux City Sioux Gateway by plane?

    Sioux City Sioux Gateway is 1019.1 mi away from Washington, D.C. Dulles Intl. Typically, this will take 5h 23m by plane in normal conditions.

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

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

  • How old do you have to be to fly from Washington, D.C. Dulles Intl 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. Dulles Intl 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?

It is quick and easy to find Washington, D.C. to Sioux City flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sioux City that suits 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 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 Sioux City from Washington, D.C..

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

Price alerts on flights to Sioux City from Washington, D.C. 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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