When did momondo last update prices for flights from Sioux City Sioux Gateway Airport to District of Columbia?

Prices for flights from Sioux City Sioux Gateway Airport to District of Columbia are updated daily.

How old do you have to be to fly from Sioux City Sioux Gateway Airport to District of Columbia?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The required travel and health documents for your District of Columbia 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 District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$447 Cheap Flights from Sioux City to District of Columbia in 2026

1 adult

0 bags

Find the cheapest flights from Sioux City to District of Columbia

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 2:59 pm

SUX

DCA

7h 59m

1 stop

1:00 pm - 5:54 pm

DCA

SUX

5h 54m

1 stop

$447United Airlines

Tue, May 19 - Tue, May 26

7:43 am - 2:22 pm

SUX

DCA

5h 39m

1 stop

6:10 pm - 5:53 pm

DCA

SUX

24h 43m

1 stop

$578United Airlines

Thu, Aug 6 - Mon, Aug 10

12:55 pm - 9:59 am

SUX

DCA

20h 04m

1 stop

2:00 pm - 5:54 pm

DCA

SUX

4h 54m

1 stop

$588United Airlines

Thu, May 14 - Thu, May 21

12:55 pm - 7:28 pm

SUX

IAD

5h 33m

1 stop

12:49 pm - 5:54 pm

IAD

SUX

6h 05m

2 stops

$598United Airlines

Thu, May 14 - Thu, May 21

6:00 am - 5:25 pm

SUX

DCA

10h 25m

2 stops

2:00 pm - 5:54 pm

DCA

SUX

4h 54m

1 stop

$602United Airlines

Tue, May 19 - Tue, May 26

12:55 pm - 7:05 pm

SUX

DCA

5h 10m

1 stop

6:05 pm - 6:06 pm

DCA

SUX

25h 01m

1 stop

$641United Airlines

Mon, May 4 - Fri, May 8

6:00 am - 11:28 am

SUX

IAD

28h 28m

1 stop

6:30 am - 10:57 am

IAD

SUX

29h 27m

1 stop

$654United Airlines

Tue, May 19 - Tue, May 26

9:03 am - 4:52 pm

SUX

DCA

6h 49m

1 stop

6:30 am - 5:54 pm

DCA

SUX

12h 24m

1 stop

$693United Airlines

Mon, Sep 28 - Thu, Oct 1

12:55 pm - 7:05 pm

SUX

DCA

5h 10m

1 stop

8:30 am - 5:54 pm

DCA

SUX

10h 24m

2 stops

$714United Airlines

Thu, May 14 - Thu, May 21

12:55 pm - 7:28 pm

SUX

IAD

5h 33m

1 stop

10:23 pm - 10:57 am

IAD

SUX

13h 34m

1 stop

$724United Airlines

Thu, May 14 - Thu, May 21

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United Airlines flights from Sioux City to District of Columbia

Our best United Airlines deals on Sioux City to District of Columbia flight tickets

United Airlines

May 19

SUX6:00 amSioux City Sioux Gateway

7h 59m

1 stop

DCA2:59 pmWashington, D.C. Reagan-National

May 26

DCA1:00 pmWashington, D.C. Reagan-National

5h 54m

1 stop

SUX5:54 pmSioux City Sioux Gateway

$447

United Airlines

Aug 6

SUX7:43 amSioux City Sioux Gateway

5h 39m

1 stop

DCA2:22 pmWashington, D.C. Reagan-National

Aug 10

DCA6:10 pmWashington, D.C. Reagan-National

24h 43m

1 stop

SUX5:53 pmSioux City Sioux Gateway

$578

United Airlines

May 14

SUX12:55 pmSioux City Sioux Gateway

20h 04m

1 stop

DCA9:59 amWashington, D.C. Reagan-National

May 21

DCA2:00 pmWashington, D.C. Reagan-National

4h 54m

1 stop

SUX5:54 pmSioux City Sioux Gateway

$588

momondo Fare Finder

Use the filters below to find and compare flights from Sioux City to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Tue 5/19

6:00 am-2:59 pm

1 stop7h 59m

Washington, D.C. Reagan-National

Tue 5/26

1:00 pm-5:54 pm

1 stop5h 54m

$447

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Thu 8/6

7:43 am-2:22 pm

1 stop5h 39m

Washington, D.C. Reagan-National

Mon 8/10

6:10 pm-5:53 pm

1 stop24h 43m

$578

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Thu 5/14

12:55 pm-9:59 am

1 stop20h 04m

Washington, D.C. Reagan-National

Thu 5/21

2:00 pm-5:54 pm

1 stop4h 54m

$588

Quickest round-trip

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

Thu 5/14

12:55 pm-7:28 pm

1 stop5h 33m

Washington, D.C. Dulles Intl

Thu 5/21

12:49 pm-5:54 pm

2 stops6h 05m

$598

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Tue 5/19

6:00 am-5:25 pm

2 stops10h 25m

Washington, D.C. Reagan-National

Tue 5/26

2:00 pm-5:54 pm

1 stop4h 54m

$602

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Mon 5/4

12:55 pm-7:05 pm

1 stop5h 10m

Washington, D.C. Reagan-National

Fri 5/8

6:05 pm-6:06 pm

1 stop25h 01m

$641

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

Tue 5/19

6:00 am-11:28 am

1 stop28h 28m

Washington, D.C. Dulles Intl

Tue 5/26

6:30 am-10:57 am

1 stop29h 27m

$654

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Mon 9/28

9:03 am-4:52 pm

1 stop6h 49m

Washington, D.C. Reagan-National

Thu 10/1

6:30 am-5:54 pm

1 stop12h 24m

$693

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Thu 5/14

12:55 pm-7:05 pm

1 stop5h 10m

Washington, D.C. Reagan-National

Thu 5/21

8:30 am-5:54 pm

2 stops10h 24m

$714

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

Thu 5/14

12:55 pm-7:28 pm

1 stop5h 33m

Washington, D.C. Dulles Intl

Thu 5/21

10:23 pm-10:57 am

1 stop13h 34m

$724

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Sioux City to District of Columbia

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 District of Columbia?

Delta, Southwest and United Airlines are the top three most popular airlines that fly to District of Columbia from Sioux City according to our data. Delta is the first choice among our users, with 38% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 5 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

Cheap Sioux City to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux City to District of Columbia

Fastest flight time	5h 10m
Direct flights	None

The fastest flight from Sioux City to District of Columbia takes 5h 10m

There are no direct flights from Sioux City to District of Columbia. There are no popular flight routes from Sioux City to District of Columbia.

Search flight deals

Frequently asked questions about flying from Sioux City to District of Columbia

When did momondo last update prices for flights from Sioux City Sioux Gateway Airport to District of Columbia?
Prices for flights from Sioux City Sioux Gateway Airport to District of Columbia are updated daily.
How old do you have to be to fly from Sioux City Sioux Gateway Airport to District of Columbia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The required travel and health documents for your District of Columbia 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 District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Sioux City to District of Columbia?

It is quick and easy to find Sioux City to District of Columbia 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 District of Columbia that suits you.

Can I find flights from Sioux City to District of Columbia with flexible booking policies on momondo?

Flights from Sioux City to District of Columbia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Sioux City to District of Columbia?

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 District of Columbia from Sioux City.

I’m not ready to book a flight from Sioux City to District of Columbia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Sioux City to District of Columbia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to District of Columbia and let you know when they change.