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

There are many flights that can get you from Sioux City to Washington, D.C. in 5h 23m. Fly via United Airlines to get the fastest option. Sioux City and Washington, D.C. are separated by a distance of 1040 mi.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

The most popular route from Sioux City to Washington, D.C. is Sioux City Sioux Gateway - Washington, D.C. Reagan-National. You may also consider Sioux City Sioux Gateway - Washington, D.C. Dulles Intl or Sioux City Sioux Gateway - Baltimore/Washington.

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

When flying from Sioux City to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Most trusted provider : When it comes to deals on Sioux City-Washington, D.C. 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 Sioux City-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

If you book a flight to Washington, D.C. from Sioux City, you will be flying from 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 Sioux Gateway to Washington, D.C. per day from 0 different airlines.

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

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

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

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

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

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

$342+ Cheap Flights from Sioux City to Washington, D.C.

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

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$454 (United Airlines)
One-way from	$342 (United Airlines)

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

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Cheapest flights from Sioux City to Washington, D.C.
Explore the most affordable flight options available from Sioux City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2025.

Thu 12/117:50 amSUX - DCA

1 stop5h 23mUnited Airlines

Sat 12/277:00 pmDCA - SUX

1 stop5h 15mUnited Airlines

Deal found 11/2

$357

Tue 12/27:50 amSUX - BWI

1 stop5h 00mUnited Airlines

Thu 12/45:18 pmBWI - SUX

1 stop6h 41mUnited Airlines

Deal found 11/4

$454

Thu 12/117:50 amSUX - IAD

1 stop7h 10mUnited Airlines

Sat 12/275:20 pmIAD - SUX

2 stops30h 55mUnited Airlines

Deal found 11/2

$568

Best flights from Sioux City to Washington, D.C.
Discover carefully curated flight deals from Sioux City to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2025.

Thu 12/117:50 amSUX - DCA

1 stop5h 23mUnited Airlines

Sat 12/277:00 pmDCA - SUX

1 stop5h 15mUnited Airlines

Deal found 11/2

$357

Tue 12/27:50 amSUX - BWI

1 stop5h 00mUnited Airlines

Thu 12/45:18 pmBWI - SUX

1 stop6h 41mUnited Airlines

Deal found 11/4

$454

Wed 3/41:00 pmSUX - BWI

1 stop7h 27mUnited Airlines

Sat 3/74:02 pmBWI - SUX

1 stop8h 32mUnited Airlines

Deal found 11/3

$454

Fri 3/612:45 pmSUX - DCA

1 stop5h 27mUnited Airlines

Tue 3/1012:00 pmDCA - SUX

1 stop6h 32mUnited Airlines

Deal found 11/1

$464

Wed 3/41:00 pmSUX - IAD

1 stop7h 23mUnited Airlines

Sat 3/71:02 pmIAD - SUX

1 stop5h 30mUnited Airlines

Deal found 11/1

$477

Thu 12/117:50 amSUX - IAD

1 stop7h 10mUnited Airlines

Sat 12/275:20 pmIAD - SUX

2 stops30h 55mUnited Airlines

Deal found 11/2

$568

Last-minute flights from Sioux City to Washington, D.C.
Discover last-minute flight deals from Sioux City to Washington, D.C.. Data last updated November 4, 2025 and is based on user searches.

Tue 12/27:50 amSUX - BWI

1 stop5h 00mUnited Airlines

Thu 12/45:18 pmBWI - SUX

1 stop6h 41mUnited Airlines

Deal found 11/4

$454

Thu 12/117:50 amSUX - DCA

1 stop5h 23mUnited Airlines

Sat 12/277:00 pmDCA - SUX

1 stop5h 15mUnited Airlines

Deal found 11/2

$357

Thu 12/117:50 amSUX - IAD

1 stop7h 10mUnited Airlines

Sat 12/275:20 pmIAD - SUX

2 stops30h 55mUnited Airlines

Deal found 11/2

$568

One-way flights from Sioux City to Washington, D.C.
Search for one-way flight options from Sioux City to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated November 4, 2025.

Thu 11/277:45 amSUX - DCA

1 stop5h 25mUnited Airlines

Deal found 11/2

$342

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Thu 12/11

7:50 am-2:13 pm

1 stop5h 23m

Washington, D.C. Reagan-National

Sat 12/27

7:00 pm-11:15 pm

1 stop5h 15m

$357

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

Tue 12/2

7:50 am-1:50 pm

1 stop5h 00m

Baltimore/Washington

Thu 12/4

5:18 pm-10:59 pm

1 stop6h 41m

$454

Sioux CityBaltimore

SUX - BWI

SUXBWI

Sioux City Sioux Gateway

Wed 3/4

1:00 pm-9:27 pm

1 stop7h 27m

Baltimore/Washington

Sat 3/7

4:02 pm-11:34 pm

1 stop8h 32m

$454

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Fri 3/6

12:45 pm-7:12 pm

1 stop5h 27m

Washington, D.C. Reagan-National

Tue 3/10

12:00 pm-5:32 pm

1 stop6h 32m

$464

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

Wed 3/4

1:00 pm-9:23 pm

1 stop7h 23m

Washington, D.C. Dulles Intl

Sat 3/7

1:02 pm-5:32 pm

1 stop5h 30m

$477

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

Thu 12/11

7:50 am-4:00 pm

1 stop7h 10m

Washington, D.C. Dulles Intl

Sat 12/27

5:20 pm-11:15 pm

2 stops30h 55m

$568

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Thu 11/27

7:45 am-2:10 pm

1 stop5h 25m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

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

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

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

Currently, October is the cheapest month in which you can book a flight from Sioux City to Washington, D.C. (average of $84). Flying from Sioux City to Washington, D.C. in June is currently the most expensive (average of $276). 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.

Related info for your journey

What airport do you fly from for flights from Sioux City to Washington, D.C.?
If you book a flight to Washington, D.C. from Sioux City, you will be flying from 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 Sioux Gateway to Washington, D.C. per day from 0 different airlines.
How long is the flight from Sioux City to Washington, D.C.?
There are many flights that can get you from Sioux City to Washington, D.C. in 5h 23m. Fly via United Airlines to get the fastest option. Sioux City and Washington, D.C. are separated by a distance of 1040 mi.
What are the most popular routes from Sioux City to Washington, D.C.?
The most popular route from Sioux City to Washington, D.C. is Sioux City Sioux Gateway - Washington, D.C. Reagan-National. You may also consider Sioux City Sioux Gateway - Washington, D.C. Dulles Intl or Sioux City Sioux Gateway - Baltimore/Washington.
Can I find deals for flights from Sioux City to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Sioux City to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sioux City to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux City to Washington, D.C..
Can I find deals for business class flights from Sioux City to Washington, D.C.?
Yes. Cheapflights offers flight deals from Sioux City to Washington, D.C. 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 Sioux City to Washington, D.C.?
Currently, October is the cheapest month in which you can book a flight from Sioux City to Washington, D.C. (average of $84). Flying from Sioux City to Washington, D.C. in June is currently the most expensive (average of $276). 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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$342+ Cheap flights from Sioux City (SUX) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/27. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

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Round-trip from

One-way from

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

Cheapest flights from Sioux City to Washington, D.C.Explore the most affordable flight options available from Sioux City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2025.

Explore the most affordable flight options available from Sioux City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2025.

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

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

Related info for your journey

Find useful and relevant information for your journey from Sioux City to Washington, D.C.. 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 from for flights from Sioux City to Washington, D.C.?

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

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

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

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

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

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

Traveling to a place near Washington, D.C.?

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Cheapest flights from Sioux City to Washington, D.C.
Explore the most affordable flight options available from Sioux City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2025.