IAD - SUX

$324 Find Cheap Flights from Washington Dulles Airport to Sioux City

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Sioux City departing on 3/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Sioux City

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Sioux City, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Sioux City, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Dulles Intl to Sioux City (IAD-SUX)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Sioux City that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Sioux City

Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
1:05 pm - 5:32 pmIAD-SUX
5h 27m1 stop
United Airlines Logo
12:45 pm - 9:05 pmSUX-IAD
7h 20m1 stop
$324United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
1:05 pm - 5:32 pmIAD-SUX
5h 27m1 stop
United Airlines Logo
12:45 pm - 7:35 amSUX-IAD
17h 50m2 stops
$388United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
1:05 pm - 5:32 pmIAD-SUX
5h 27m1 stop
United Airlines Logo
12:45 pm - 7:35 amSUX-IAD
17h 50m2 stops
$413United Airlines
Find Deal
Wed, Oct 8 - Tue, Oct 14
United Airlines Logo
6:50 pm - 11:00 pmIAD-SUX
5h 10m1 stop
United Airlines Logo
6:51 pm - 5:22 amSUX-IAD
9h 31m1 stop
$432United Airlines
Find Deal
Fri, Oct 17 - Tue, Oct 21
United Airlines Logo
8:20 am - 11:00 pmIAD-SUX
15h 40m2 stops
United Airlines Logo
7:50 am - 1:51 pmSUX-IAD
5h 01m1 stop
$433United Airlines
Find Deal
Sat, Mar 7 - Tue, Mar 10
United Airlines Logo
8:15 am - 5:32 pmIAD-SUX
10h 17m2 stops
United Airlines Logo
12:45 pm - 7:35 amSUX-IAD
17h 50m2 stops
$447United Airlines
Find Deal
Fri, Oct 17 - Tue, Oct 21
United Airlines Logo
10:10 pm - 11:00 pmIAD-SUX
25h 50m1 stop
United Airlines Logo
7:50 am - 3:57 pmSUX-IAD
7h 07m1 stop
$460United Airlines
Find Deal
Fri, Oct 17 - Tue, Oct 21
United Airlines Logo
8:20 am - 11:00 pmIAD-SUX
15h 40m2 stops
United Airlines Logo
7:50 am - 9:18 pmSUX-IAD
12h 28m2 stops
$492United Airlines
Find Deal
Wed, Oct 8 - Tue, Oct 14
United Airlines Logo
12:40 pm - 11:00 pmIAD-SUX
11h 20m2 stops
United Airlines Logo
6:51 pm - 5:22 amSUX-IAD
9h 31m1 stop
$496United Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
United Airlines Logo
8:25 am - 10:59 pmIAD-SUX
15h 34m2 stops
United Airlines Logo
7:45 am - 9:19 pmSUX-IAD
12h 34m2 stops
$537United Airlines
Find Deal

Everything you should know

Cheapest round-trip
$324
United Airlines
Sat 3/7Tue 3/10
IAD - SUX • 1 stop
Cheapest one-way
Multiple Airlines
Tue 9/16
IAD - SUX • multi-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Sioux City!
Booking Insights

KAYAK's insights & trends for Dulles Intl to Sioux City flights

Get data-powered insights and trends into flights from Dulles Intl to Sioux City to help you find the cheapest flights, the best time to fly and much more.

What is the most popular layover airport when flying from Washington Dulles Airport to Sioux City?

Percentage of 1-stop round-trip flights from Washington Dulles Airport to Sioux City chosen by KAYAK users via each layover airport in the last 12 months (only includes trips with the same layover airport on both legs).

Chicago (ORD) is the top choice – 67% of KAYAK users who clicked on 1-stop flights from Washington Dulles Airport to Sioux City picked an itinerary connecting there.

What is the cheapest layover airport when flying from Washington Dulles Airport to Sioux City?

Average round-trip price for 1-stop flights from Washington Dulles Airport to Sioux City clicked by KAYAK users in the last 12 months (only includes trips with the same layover airport on both legs).

Flights via Denver (DEN) offer the most affordable fares, with an average round-trip price of $419.

Which layover airport offers the shortest total travel time from Washington Dulles Airport to Sioux City?

Shortest average total travel time for 1-stop one-way flights from Washington Dulles Airport to Sioux City via different layover airports, based on KAYAK user data from the last 12 months.

Consider flying via Chicago (ORD) for the shortest journey. The average one-way travel time for flights connecting there is 6h 38m.

Which layover airport has the quickest connection when flying from Washington Dulles Airport to Sioux City?

Average layover duration at different layover airports for 1-stop one-way flights from Washington Dulles Airport to Sioux City, based on KAYAK user data from the last 12 months.

If you prefer a quick connection, Denver (DEN) often has the shortest layovers from Washington Dulles Airport to Sioux City, with an average of 1h 45m.

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Good to know

Cheapest flight$324
Flight from Washington Dulles Airport to Sioux City

When to book flights from Dulles Intl to Sioux City

Are your dates flexible? Find out the best times to travel from Dulles Intl to Sioux City based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Washington Dulles Airport to Sioux City flights

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

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Sioux City was $324 for a round-trip ticket.

  • Do I need a passport to fly between Washington Dulles Airport and Sioux City?

    No, a passport isn't needed to fly from Washington Dulles Airport to Sioux City. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Washington Dulles Airport to Sioux City?

    When flying out of Washington Dulles Airport you will be using Washington, D.C. Dulles Intl. You will be landing at Sioux City, also known as Sioux City Sioux Gateway.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Sioux City?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington Dulles Airport to Sioux City?

    Star Alliance is the only airline alliance operating flights between Washington Dulles Airport and Sioux City.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Sioux City?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Sioux City.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Sioux City?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sioux City from Washington Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Sioux City?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sioux City with an airline and back to Washington Dulles Airport with another airline. Booking your flights between Washington Dulles Airport and SUX can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Sioux City?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sioux City from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Dulles Intl to Sioux City

Information on your arrival and departure airports

Washington Dulles Airport (IAD)
Sioux City (SUX)

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