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

Airlines like United Airlines fly from Washington, D.C. Dulles Intl Airport to Sioux City in about 8h 02m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1017 mi.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Sioux City?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Sioux City flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 IAD 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. Dulles Intl Airport to Sioux City as you normally would.

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

Located just 7.0 mi from the city center, Sioux City Sioux Gateway is the airport most travelers will use when flying to Sioux City from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Sioux Gateway (SUX) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 0 different airlines.

Can I find deals for flights from Dulles Intl to Sioux City that include hotel bookings?

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

How can I find direct flights from Dulles Intl to Sioux City?

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

Can I find deals for business class flights from Dulles Intl to Sioux City?

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$525+ Flights from Washington, D.C. Dulles Intl Airport to Sioux City

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Round-trip from	$525 (United Airlines)

From Washington, D.C. Dulles Intl to Sioux City Sioux Gateway

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Cheapest flights from Dulles Intl to Sioux City
Explore the most affordable flight options available from Dulles Intl to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Tue 9/23:55 pmIAD - SUX

1 stop8h 02mUnited Airlines

Sat 9/66:48 pmSUX - IAD

1 stop9h 34mUnited Airlines

Deal found 8/18

$525

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

Tue 9/23:55 pmIAD - SUX

1 stop8h 02mUnited Airlines

Sat 9/66:48 pmSUX - IAD

1 stop9h 34mUnited Airlines

Deal found 8/18

$525

Last-minute flights from Dulles Intl to Sioux City
Discover last-minute flight deals from Dulles Intl to Sioux City. Data last updated August 18, 2025 and is based on user searches.

Tue 9/23:55 pmIAD - SUX

1 stop8h 02mUnited Airlines

Sat 9/66:48 pmSUX - IAD

1 stop9h 34mUnited Airlines

Deal found 8/18

$525

Cheapflights Fare Finder

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

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Washington, D.C.Sioux City

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Tue 9/2

3:55 pm-10:57 pm

1 stop8h 02m

Sioux City Sioux Gateway

Sat 9/6

6:48 pm-5:22 am

1 stop9h 34m

$525

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Deals found on 8/18

Best time to book a flight from Dulles Intl to Sioux City

Have a flexible travel schedule? Discover the best time to fly to Sioux City from Dulles Intl 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.

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

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sioux City (average of $318). Flying from Washington, D.C. Dulles Intl Airport to Sioux City in March is currently the most expensive (average of $446). 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 into for flights to Sioux City from Washington, D.C. Dulles Intl?
Located just 7.0 mi from the city center, Sioux City Sioux Gateway is the airport most travelers will use when flying to Sioux City from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Sioux Gateway (SUX) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 0 different airlines.
How long is the flight from Washington, D.C. Dulles Intl Airport to Sioux City?
Airlines like United Airlines fly from Washington, D.C. Dulles Intl Airport to Sioux City in about 8h 02m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1017 mi.
Can I find deals for flights from Dulles Intl to Sioux City that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Sioux City flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Sioux City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Sioux City.
Can I find deals for business class flights from Dulles Intl to Sioux City?
Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Sioux City?
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sioux City (average of $318). Flying from Washington, D.C. Dulles Intl Airport to Sioux City in March is currently the most expensive (average of $446). 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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$525+ Cheap flights from Dulles Intl (IAD) 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Dulles Intl to Sioux CityExplore the most affordable flight options available from Dulles Intl to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Explore the most affordable flight options available from Dulles Intl to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Dulles Intl to Sioux City

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

Cheapflights Insights

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

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

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl?

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

Can I find deals for flights from Dulles Intl to Sioux City that include hotel bookings?

How can I find direct flights from Dulles Intl to Sioux City?

Can I find deals for business class flights from Dulles Intl to Sioux City?

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

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Cheapest flights from Dulles Intl to Sioux City
Explore the most affordable flight options available from Dulles Intl to Sioux City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.