How long is the flight from Washington, D.C. Reagan-National Airport to Sioux City?

United Airlines can get you from Washington, D.C. Reagan-National Airport to Sioux City in just under 6h 09m. Your travel time can differ by up to . There are 1040 mi between Washington, D.C. Reagan-National Airport and Sioux City.

In terms of precipitation, rainfall in Sioux City ranges from 0.7 - 4.2 inches per month. June is typically the wettest month, when rainfall can reach 4.2 in. January is typically the driest time to visit Sioux City when rainfall is around 0.7 in.

If weather is an important factor for your trip to Sioux City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

What is the cheapest time of day to fly from DCA to SUX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Sioux City as you normally would.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Sioux City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Sioux City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Sioux City flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Sioux City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Sioux City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Sioux City from Washington, D.C. Reagan-National?

If you book a flight to Sioux City from Washington, D.C. Reagan-National, you will be flying to Sioux Gateway, which is the city’s only airport. Sioux City Sioux Gateway (SUX) is located 7.0 mi from the center of Sioux City. There are 0 flights from Washington, D.C. Reagan-National to Sioux Gateway per day from 0 different airlines.

Can I find deals for flights from Reagan-National to Sioux City that include hotel bookings?

Yes. In addition to deals on Reagan-National to Sioux City flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Sioux City?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Sioux City.

Can I find deals for business class flights from Reagan-National to Sioux City?

Yes. Cheapflights offers flight deals from Reagan-National to Sioux City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$224+ Cheap Flights from Washington, D.C. Reagan-National Airport to Sioux City

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Cheap flight deals from Reagan-National to Sioux City

Cheapest

Best

Last-minute

One-way

Cheapest flights from Reagan-National to Sioux City
Explore the most affordable flight options available from Reagan-National to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.

Sat 10/311:01 pm -

1 stop6h 09m

Sun 11/16:00 am -

1 stop5h 05m

Deal found 10/10

$334

Tue 10/272:05 pm -

1 stop5h 05m

Sat 10/316:00 am -

1 stop7h 12m

Deal found 10/12

$404

Fri 11/201:06 pm -

1 stop6h 04m

Mon 11/236:00 am -

1 stop5h 04m

Deal found 10/10

$444

Sat 11/144:09 pm -

1 stop8h 34m

Sun 11/156:00 am -

1 stop5h 04m

Deal found 10/10

$460

Thu 10/1511:57 am -

1 stop6h 56m

Sun 10/188:35 am -

1 stop6h 07m

Deal found 10/13

$514

Fri 10/162:05 pm -

1 stop4h 48m

Sun 10/188:35 am -

1 stop4h 48m

Deal found 10/9

$543

Thu 11/51:05 pm -

1 stop6h 05m

Fri 11/66:00 am -

1 stop7h 12m

Deal found 10/12

$608

Fri 10/161:15 pm -

1 stop5h 38m

Mon 10/198:35 am -

1 stop4h 48m

Deal found 10/9

$659

Sun 11/221:05 pm -

1 stop6h 05m

Mon 11/306:00 am -

1 stop25h 51m

Deal found 10/13

$683

Best flights from Reagan-National to Sioux City
Discover carefully curated flight deals from Reagan-National to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.

Sat 10/311:01 pm -

1 stop6h 09m

Sun 11/16:00 am -

1 stop5h 05m

Deal found 10/10

$334

Thu 11/511:49 am -

1 stop7h 21m

Wed 11/116:00 am -

1 stop7h 12m

Deal found 10/14

$342

Fri 11/201:06 pm -

1 stop6h 04m

Mon 11/236:00 am -

1 stop5h 04m

Deal found 10/10

$444

Sat 11/144:09 pm -

1 stop8h 34m

Sun 11/156:00 am -

1 stop5h 04m

Deal found 10/10

$460

Fri 1/811:50 am -

1 stop7h 21m

Tue 1/125:04 am -

1 stop8h 01m

Deal found 10/14

$529

Thu 11/51:05 pm -

1 stop6h 05m

Fri 11/66:00 am -

1 stop7h 12m

Deal found 10/12

$608

Last-minute flights from Reagan-National to Sioux City
Discover last-minute flight deals from Reagan-National to Sioux City. Data last updated October 15, 2026 and is based on user searches.

Thu 10/151:15 pm -

1 stop5h 38m

Sat 10/178:35 am -

1 stop4h 48m

Deal found 10/13

$514

Thu 10/151:15 pm -

1 stop5h 38m

Sun 10/188:35 am -

1 stop7h 33m

Deal found 10/9

$669

Fri 10/162:05 pm -

1 stop4h 48m

Sun 10/188:35 am -

1 stop4h 48m

Deal found 10/9

$543

Fri 10/161:15 pm -

1 stop5h 38m

Mon 10/198:35 am -

1 stop4h 48m

Deal found 10/9

$659

Tue 10/272:05 pm -

1 stop5h 05m

Sat 10/316:00 am -

1 stop7h 12m

Deal found 10/12

$404

Sat 10/311:01 pm -

1 stop6h 09m

Sun 11/16:00 am -

1 stop5h 05m

Deal found 10/10

$334

Thu 11/51:05 pm -

1 stop6h 05m

Fri 11/66:00 am -

1 stop7h 12m

Deal found 10/12

$608

Sat 11/144:09 pm -

1 stop8h 34m

Sun 11/156:00 am -

1 stop5h 04m

Deal found 10/10

$460

Fri 11/201:06 pm -

1 stop6h 04m

Mon 11/236:00 am -

1 stop5h 04m

Deal found 10/10

$444

Sun 11/221:05 pm -

1 stop6h 05m

Mon 11/306:00 am -

1 stop25h 51m

Deal found 10/13

$683

One-way flights from Reagan-National to Sioux City
Search for one-way flight options from Reagan-National to Sioux City. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.

Tue 11/101:05 pm -

1 stop6h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/11

$224

Mon 10/261:05 pm -

1 stop6h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/12

$394

Fri 10/234:18 pm -

1 stop8h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/12

$489

Mon 1/117:40 pm -

2 stops23h 31m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/12

$643

Thu 10/2210:30 am -

2 stops8h 23m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/12

$823

Find flight deals from Reagan-National to Sioux City

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$334 (United Airlines)
One-way from	$224

Provider with most accurate pricing for Washington, D.C. Reagan-National-Sioux City Sioux Gateway flight deals.

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From Washington, D.C. Reagan-National to Sioux City Sioux Gateway

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Cheapflights Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Sioux City

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

DCASUX

Washington, D.C. Reagan-National

Tue 11/10

1:05 pm-6:10 pm

1 stop6h 05m

Sioux City Sioux Gateway

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$224

Washington, D.C.Sioux City

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

DCASUX

Washington, D.C. Reagan-National

Sat 10/31

1:01 pm-6:10 pm

1 stop6h 09m

Sioux City Sioux Gateway

Sun 11/1

6:00 am-12:05 pm

1 stop5h 05m

$334

Washington, D.C.Sioux City

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

DCASUX

Washington, D.C. Reagan-National

Thu 11/5

11:49 am-6:10 pm

1 stop7h 21m

Sioux City Sioux Gateway

Wed 11/11

6:00 am-2:12 pm

1 stop7h 12m

$342

Washington, D.C.Sioux City

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

DCASUX

Washington, D.C. Reagan-National

Mon 10/26

1:05 pm-6:10 pm

1 stop6h 05m

Sioux City Sioux Gateway

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$394

Washington, D.C.Sioux City

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

DCASUX

Washington, D.C. Reagan-National

Fri 11/20

1:06 pm-6:10 pm

1 stop6h 04m

Sioux City Sioux Gateway

Mon 11/23

6:00 am-12:04 pm

1 stop5h 04m

$444

Washington, D.C.Sioux City

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

DCASUX

Washington, D.C. Reagan-National

Sat 11/14

4:09 pm-11:43 pm

1 stop8h 34m

Sioux City Sioux Gateway

Sun 11/15

6:00 am-12:04 pm

1 stop5h 04m

$460

Washington, D.C.Sioux City

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

DCASUX

Washington, D.C. Reagan-National

Fri 10/23

4:18 pm-11:43 pm

1 stop8h 25m

Sioux City Sioux Gateway

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$489

Washington, D.C.Sioux City

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

DCASUX

Washington, D.C. Reagan-National

Fri 1/8

11:50 am-6:11 pm

1 stop7h 21m

Sioux City Sioux Gateway

Tue 1/12

5:04 am-2:05 pm

1 stop8h 01m

$529

Washington, D.C.Sioux City

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

DCASUX

Washington, D.C. Reagan-National

Thu 11/5

1:05 pm-6:10 pm

1 stop6h 05m

Sioux City Sioux Gateway

Fri 11/6

6:00 am-2:12 pm

1 stop7h 12m

$608

Washington, D.C.Sioux City

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

DCASUX

Washington, D.C. Reagan-National

Mon 1/11

7:40 pm-6:11 pm

2 stops23h 31m

Sioux City Sioux Gateway

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/11

Sorted by cheapest first

Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Sioux City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Sioux City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Sioux City flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Sioux City flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Sioux City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Sioux City

Have a flexible travel schedule? Discover the best time to fly to Sioux City from Reagan-National with our price prediction graph.

DCA-SUX

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly into for flights to Sioux City from Washington, D.C. Reagan-National?
If you book a flight to Sioux City from Washington, D.C. Reagan-National, you will be flying to Sioux Gateway, which is the city’s only airport. Sioux City Sioux Gateway (SUX) is located 7.0 mi from the center of Sioux City. There are 0 flights from Washington, D.C. Reagan-National to Sioux Gateway per day from 0 different airlines.
How long is the flight from Washington, D.C. Reagan-National Airport to Sioux City?
United Airlines can get you from Washington, D.C. Reagan-National Airport to Sioux City in just under 6h 09m. Your travel time can differ by up to . There are 1040 mi between Washington, D.C. Reagan-National Airport and Sioux City.
Can I find deals for flights from Reagan-National to Sioux City that include hotel bookings?
Yes. In addition to deals on Reagan-National to Sioux City flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Sioux City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Sioux City.
Can I find deals for business class flights from Reagan-National to Sioux City?
Yes. Cheapflights offers flight deals from Reagan-National to Sioux City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$224+ Cheap flights from Reagan-National (DCA) to Sioux City (SUX)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Reagan-National to Sioux City

Cheapest flights from Reagan-National to Sioux CityExplore the most affordable flight options available from Reagan-National to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.

Explore the most affordable flight options available from Reagan-National to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.

Best flights from Reagan-National to Sioux CityDiscover carefully curated flight deals from Reagan-National to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.

Discover carefully curated flight deals from Reagan-National to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.

Last-minute flights from Reagan-National to Sioux CityDiscover last-minute flight deals from Reagan-National to Sioux City. Data last updated October 15, 2026 and is based on user searches.

Discover last-minute flight deals from Reagan-National to Sioux City. Data last updated October 15, 2026 and is based on user searches.

One-way flights from Reagan-National to Sioux CitySearch for one-way flight options from Reagan-National to Sioux City. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.

Search for one-way flight options from Reagan-National to Sioux City. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.

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

Best time to book a flight from Reagan-National to Sioux City

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Related info for your journey

What airport do you fly into for flights to Sioux City from Washington, D.C. Reagan-National?

How long is the flight from Washington, D.C. Reagan-National Airport to Sioux City?

Can I find deals for flights from Reagan-National to Sioux City that include hotel bookings?

How can I find direct flights from Reagan-National to Sioux City?

Can I find deals for business class flights from Reagan-National to Sioux City?

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Reagan-National and Sioux City flights

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Cheapest flights from Reagan-National to Sioux City
Explore the most affordable flight options available from Reagan-National to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2026.

Best flights from Reagan-National to Sioux City
Discover carefully curated flight deals from Reagan-National to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 15, 2026.

Last-minute flights from Reagan-National to Sioux City
Discover last-minute flight deals from Reagan-National to Sioux City. Data last updated October 15, 2026 and is based on user searches.

One-way flights from Reagan-National to Sioux City
Search for one-way flight options from Reagan-National to Sioux City. Find affordable one-way fares based on user searches. Data last updated October 15, 2026.