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.

$314 Cheap Flights from Sioux City to District of Columbia in 2026

Find the cheapest flights from Sioux City to District of Columbia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 am - 3:52 pm

SUX

DCA

6h 42m

1 stop

2:00 pm - 5:53 pm

DCA

SUX

4h 53m

1 stop

$314United Airlines

Wed, Jul 15 - Wed, Jul 22

8:10 am - 3:52 pm

SUX

DCA

6h 42m

1 stop

1:00 pm - 5:53 pm

DCA

SUX

5h 53m

1 stop

$364United Airlines

Thu, Jul 30 - Thu, Aug 6

8:10 am - 2:22 pm

SUX

DCA

5h 12m

1 stop

11:57 am - 5:53 pm

DCA

SUX

6h 56m

1 stop

$395United Airlines

Wed, Jul 8 - Wed, Jul 15

8:10 am - 2:22 pm

SUX

DCA

5h 12m

1 stop

1:00 pm - 5:53 pm

DCA

SUX

5h 53m

1 stop

$459United Airlines

Thu, Jul 2 - Mon, Jul 6

8:10 am - 2:22 pm

SUX

DCA

5h 12m

1 stop

2:00 pm - 5:53 pm

DCA

SUX

4h 53m

1 stop

$493United Airlines

Wed, Jul 8 - Wed, Jul 15

8:10 am - 5:12 pm

SUX

DCA

8h 02m

1 stop

11:57 am - 5:53 pm

DCA

SUX

6h 56m

1 stop

$494United Airlines

Mon, Jul 6 - Sun, Jul 12

9:03 am - 12:14 am

SUX

IAD

14h 11m

1 stop

1:05 pm - 5:54 pm

IAD

SUX

5h 49m

1 stop

$495United Airlines

Tue, Oct 27 - Sat, Oct 31

7:45 am - 2:23 pm

SUX

DCA

5h 38m

1 stop

1:04 pm - 5:53 pm

DCA

SUX

5h 49m

1 stop

$499United Airlines

Wed, Aug 26 - Sat, Aug 29

9:03 am - 7:14 pm

SUX

IAD

9h 11m

1 stop

1:05 pm - 5:54 pm

IAD

SUX

5h 49m

1 stop

$500United Airlines

Tue, Oct 27 - Sat, Oct 31

8:10 am - 2:22 pm

SUX

DCA

5h 12m

1 stop

1:00 pm - 5:53 pm

DCA

SUX

5h 53m

1 stop

$504United Airlines

Mon, Jul 13 - Sun, Jul 19

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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

Jul 15

SUX8:10 amSioux City Sioux Gateway

6h 42m

1 stop

DCA3:52 pmWashington, D.C. Reagan-National

Jul 22

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

4h 53m

1 stop

SUX5:53 pmSioux City Sioux Gateway

$314

United Airlines

Jul 30

SUX8:10 amSioux City Sioux Gateway

6h 42m

1 stop

DCA3:52 pmWashington, D.C. Reagan-National

Aug 6

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

5h 53m

1 stop

SUX5:53 pmSioux City Sioux Gateway

$364

United Airlines

Jul 8

SUX8:10 amSioux City Sioux Gateway

5h 12m

1 stop

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

Jul 15

DCA11:57 amWashington, D.C. Reagan-National

6h 56m

1 stop

SUX5:53 pmSioux City Sioux Gateway

$395

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

Wed 7/15

8:10 am-3:52 pm

1 stop6h 42m

Washington, D.C. Reagan-National

Wed 7/22

2:00 pm-5:53 pm

1 stop4h 53m

$314

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Thu 7/30

8:10 am-3:52 pm

1 stop6h 42m

Washington, D.C. Reagan-National

Thu 8/6

1:00 pm-5:53 pm

1 stop5h 53m

$364

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Wed 7/8

8:10 am-2:22 pm

1 stop5h 12m

Washington, D.C. Reagan-National

Wed 7/15

11:57 am-5:53 pm

1 stop6h 56m

$395

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Thu 7/2

8:10 am-2:22 pm

1 stop5h 12m

Washington, D.C. Reagan-National

Mon 7/6

1:00 pm-5:53 pm

1 stop5h 53m

$459

Quickest round-trip

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Wed 7/8

8:10 am-2:22 pm

1 stop5h 12m

Washington, D.C. Reagan-National

Wed 7/15

2:00 pm-5:53 pm

1 stop4h 53m

$493

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Mon 7/6

8:10 am-5:12 pm

1 stop8h 02m

Washington, D.C. Reagan-National

Sun 7/12

11:57 am-5:53 pm

1 stop6h 56m

$494

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

Tue 10/27

9:03 am-12:14 am

1 stop14h 11m

Washington, D.C. Dulles Intl

Sat 10/31

1:05 pm-5:54 pm

1 stop5h 49m

$495

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Wed 8/26

7:45 am-2:23 pm

1 stop5h 38m

Washington, D.C. Reagan-National

Sat 8/29

1:04 pm-5:53 pm

1 stop5h 49m

$499

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

Tue 10/27

9:03 am-7:14 pm

1 stop9h 11m

Washington, D.C. Dulles Intl

Sat 10/31

1:05 pm-5:54 pm

1 stop5h 49m

$500

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Mon 7/13

8:10 am-2:22 pm

1 stop5h 12m

Washington, D.C. Reagan-National

Sun 7/19

1:00 pm-5:53 pm

1 stop5h 53m

$504

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted 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 is the cheapest airline that flies from Sioux City Sioux Gateway to District of Columbia?

United Airlines is the most popular carrier operating from Sioux City Sioux Gateway to District of Columbia

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 34% 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 12m
Direct flights	None

The fastest flight from Sioux City to District of Columbia takes 5h 12m

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.