How long is the flight from Washington, D.C. to Sioux City?

There are many flights that can get you from Washington, D.C. to Sioux City in 8h 37m. Fly via United Airlines to get the fastest option. There are 1052 mi between Washington, D.C. 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 are the most popular routes from Washington, D.C. to Sioux City?

Most travelers choose Washington, D.C. Reagan-National - Sioux City Sioux Gateway, Baltimore/Washington - Sioux City Sioux Gateway or Washington, D.C. Dulles Intl - Sioux City Sioux Gateway when deciding on the best route from Washington, D.C. to Sioux City.

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

Most trusted provider : When it comes to deals on Washington, D.C.-Sioux City flights, Cheapflights users trust eDreams the most. eDreams 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.-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.?

Sioux City Sioux Gateway (SUX) is the airport you will fly into if you book a flight from Washington, D.C. to Sioux City. You should not have trouble finding flights to Sioux Gateway from Washington, D.C.; the airport handles an average of 0 inbound flights from Washington, D.C. per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Sioux City airport from Washington, D.C.. It is only a 7.0 mi journey from Sioux Gateway (SUX) to Sioux City’s city center.

Can I find deals for flights from Washington, D.C. to Sioux City that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Sioux City flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Sioux City?

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

Can I find deals for business class flights from Washington, D.C. to Sioux City?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$344+ Flights from Washington, D.C. to Sioux City

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Cheap flight deals from Washington, D.C. to Sioux City

Best flights from Washington, D.C. to Sioux City
Discover carefully curated flight deals from Washington, D.C. to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Sat 1/104:10 pmBWI - SUX

1 stop8h 37mUnited Airlines

Wed 1/1412:45 pmSUX - BWI

1 stop7h 36mUnited Airlines

Deal found 12/15

$344

Tue 1/2012:00 pmDCA - SUX

1 stop6h 28mUnited Airlines

Sat 1/2412:45 pmSUX - DCA

1 stop5h 28mUnited Airlines

Deal found 12/15

$344

Sat 1/2410:20 pmIAD - SUX

2 stops26h 27mUnited Airlines

Wed 1/2812:45 pmSUX - IAD

1 stop7h 32mUnited Airlines

Deal found 12/16

$433

Last-minute flights from Washington, D.C. to Sioux City
Discover last-minute flight deals from Washington, D.C. to Sioux City. Data last updated December 18, 2025 and is based on user searches.

Sat 1/104:10 pmBWI - SUX

1 stop8h 37mUnited Airlines

Wed 1/1412:45 pmSUX - BWI

1 stop7h 36mUnited Airlines

Deal found 12/17

$344

Tue 1/2012:00 pmDCA - SUX

1 stop6h 28mUnited Airlines

Sat 1/2412:45 pmSUX - DCA

1 stop7h 15mUnited Airlines

Deal found 12/16

$344

Sat 1/2410:20 pmIAD - SUX

2 stops26h 27mUnited Airlines

Wed 1/2812:45 pmSUX - IAD

1 stop7h 32mUnited Airlines

Deal found 12/16

$433

Find flight deals from Washington, D.C. to Sioux City

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$344 (United Airlines)

Provider with most accurate pricing for Washington, D.C. (WAS)-Sioux City Sioux Gateway flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sioux City Sioux Gateway flights.

Search Deals

From Washington, D.C. (WAS) to Sioux City Sioux Gateway

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSioux City

BWI - SUX

BWISUX

Baltimore/Washington

Sat 1/10

4:10 pm-11:47 pm

1 stop8h 37m

Sioux City Sioux Gateway

Wed 1/14

12:45 pm-9:21 pm

1 stop7h 36m

$344

Washington, D.C.Sioux City

DCA - SUX

DCASUX

Washington, D.C. Reagan-National

Tue 1/20

12:00 pm-5:28 pm

1 stop6h 28m

Sioux City Sioux Gateway

Sat 1/24

12:45 pm-7:13 pm

1 stop5h 28m

$344

Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Sat 1/24

10:20 pm-11:47 pm

2 stops26h 27m

Sioux City Sioux Gateway

Wed 1/28

12:45 pm-9:17 pm

1 stop7h 32m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Compare providers for flights from Washington, D.C. to Sioux City

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Sioux City in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

Have a flexible travel schedule? Discover the best time to fly to Sioux City from Washington, D.C. with our price prediction graph.

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Sioux City

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Sioux City (average of $126). Flying from Washington, D.C. to Sioux City in April is currently the most expensive (average of $270). 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.

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

It’s optimal to fly from Washington, D.C. to Sioux City in the evening. By choosing this option you can save up to 46% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Sioux City

Read through reviews of airlines operating flights from Washington, D.C. to Sioux City, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,091 reviews

Reviews

1 / 20

4.0

Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

United Airlines

7.4

Good

9,091 reviews

United Airlines

7.4

Good

9,091 reviews

Reviews

1 / 20

4.0

Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

What airport do you fly into for flights to Sioux City from Washington, D.C.?
Sioux City Sioux Gateway (SUX) is the airport you will fly into if you book a flight from Washington, D.C. to Sioux City. You should not have trouble finding flights to Sioux Gateway from Washington, D.C.; the airport handles an average of 0 inbound flights from Washington, D.C. per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Sioux City airport from Washington, D.C.. It is only a 7.0 mi journey from Sioux Gateway (SUX) to Sioux City’s city center.
How long is the flight from Washington, D.C. to Sioux City?
There are many flights that can get you from Washington, D.C. to Sioux City in 8h 37m. Fly via United Airlines to get the fastest option. There are 1052 mi between Washington, D.C. and Sioux City.
What are the most popular routes from Washington, D.C. to Sioux City?
Most travelers choose Washington, D.C. Reagan-National - Sioux City Sioux Gateway, Baltimore/Washington - Sioux City Sioux Gateway or Washington, D.C. Dulles Intl - Sioux City Sioux Gateway when deciding on the best route from Washington, D.C. to Sioux City.
Can I find deals for flights from Washington, D.C. to Sioux City that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Sioux City flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Sioux City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Sioux City.
Can I find deals for business class flights from Washington, D.C. to Sioux City?
Yes. Cheapflights offers flight deals from Washington, D.C. 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.
What is the cheapest month to book a flight from Washington, D.C. to Sioux City?
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Sioux City (average of $126). Flying from Washington, D.C. to Sioux City in April is currently the most expensive (average of $270). 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.

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Alternative routes for Washington, D.C. to Sioux City

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Top airline flying from Washington, D.C. to Sioux City

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$367	Average$416	FlexibilityNo cancel fee	On-time69%

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$344+ Cheap flights from Washington, D.C. (WAS) 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Sioux City with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington, D.C. to Sioux City

Best flights from Washington, D.C. to Sioux CityDiscover carefully curated flight deals from Washington, D.C. to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Discover carefully curated flight deals from Washington, D.C. to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Find flight deals from Washington, D.C. to Sioux City

Most accurate provider

Most trusted provider

Round-trip from

Cheapflights Fare Finder

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

Compare providers for flights from Washington, D.C. to Sioux City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Sioux City in December.

Best time to book a flight from Washington, D.C. to Sioux City

Have a flexible travel schedule? Discover the best time to fly to Sioux City from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Sioux City

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

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

Find hourly flight availability from Washington, D.C. to Sioux City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Reviews of airlines servicing Sioux City

Read through reviews of airlines operating flights from Washington, D.C. to Sioux City, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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.?

How long is the flight from Washington, D.C. to Sioux City?

What are the most popular routes from Washington, D.C. to Sioux City?

Can I find deals for flights from Washington, D.C. to Sioux City that include hotel bookings?

How can I find direct flights from Washington, D.C. to Sioux City?

Can I find deals for business class flights from Washington, D.C. to Sioux City?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Sioux City

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Washington, D.C. to Sioux City

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Best flights from Washington, D.C. to Sioux City
Discover carefully curated flight deals from Washington, D.C. to Sioux City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.