Q: E

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.

Q: E

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.

Question 1

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

Accepted Answer

United Airlines can get you from Washington, D.C. Reagan-National Airport to Sioux City in just under 19h 34m. Your travel time can differ by up to . There are 1040 mi between Washington, D.C. Reagan-National Airport and Sioux City.

Question 2

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Sioux City?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sioux City (average of $149). Flying from Washington, D.C. Reagan-National Airport to Sioux City in April is currently the most expensive (average of $297). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 3

E

Accepted Answer

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.

Question 4

E

Accepted Answer

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).

Question 5

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

Accepted Answer

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.

Question 6

E

Accepted Answer

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.

Question 7

E

Accepted Answer

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.

Question 8

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

Accepted Answer

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.

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

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.

Question 11

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

Accepted Answer

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.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$316 (United Airlines)

$442+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.

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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 January 20, 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 January 20, 2026.

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What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Sioux City?

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Sioux City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Sioux City?

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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 January 20, 2026.