HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Dulles Intl (IAD) to Sioux City (SUX) from $482

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 12/24. 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.
IAD — SUX
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Cheap flight deals from Dulles Intl to Sioux City

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Sioux City (SUX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 16, 2024.

Round-trip from

$303
From Washington, D.C. Dulles Intl to Sioux City Sioux Gateway
Search Deals

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

Flights from Washington, D.C. Dulles Intl Airport to Sioux City are found to be more expensive on Wednesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sioux City.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Sioux City (IAD - 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.

Cheap United Airlines flights from Dulles Intl to Sioux City

Explore cheap flight options specifically provided by United Airlines for the route between Dulles Intl and Sioux City. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Tue 6/2510:08 pmIAD - SUX
1 stop21h 18mUnited Airlines
Fri 6/286:15 amSUX - IAD
1 stop17h 15mUnited Airlines
Deal found 5/15$525
Sat 5/2510:20 pmIAD - SUX
2 stops25h 33mUnited Airlines
Mon 5/276:26 amSUX - IAD
2 stops24h 07mUnited Airlines
Deal found 5/15$650
Sat 5/2510:20 pmIAD - SUX
2 stops25h 33mUnited Airlines
Mon 5/2711:55 amSUX - IAD
1 stop16h 30mUnited Airlines
Deal found 5/15$662
Sat 5/255:10 pmIAD - SUX
1 stop18h 55mUnited Airlines
Mon 5/2711:55 amSUX - IAD
1 stop10h 09mUnited Airlines
Deal found 5/15$717

Cheap Dulles Intl to Sioux City flights in May & June 2024

Find cheap flight options from Dulles Intl to Sioux City specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
Tue 6/2510:08 pmIAD - SUX
1 stop21h 18mUnited Airlines
Fri 6/286:15 amSUX - IAD
1 stop17h 15mUnited Airlines
Deal found 5/15$525
Sat 5/2510:20 pmIAD - SUX
2 stops25h 33mUnited Airlines
Mon 5/276:26 amSUX - IAD
2 stops24h 07mUnited Airlines
Deal found 5/15$650
Sat 5/2510:20 pmIAD - SUX
2 stops25h 33mUnited Airlines
Mon 5/2711:55 amSUX - IAD
1 stop16h 30mUnited Airlines
Deal found 5/15$662
Sat 5/255:10 pmIAD - SUX
1 stop18h 55mUnited Airlines
Mon 5/2711:55 amSUX - IAD
1 stop10h 09mUnited Airlines
Deal found 5/15$717

Dulles Intl to Sioux City 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Sioux City in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Tue 12/248:35 amIAD - SUX
1 stop15h 10mUnited Airlines
Mon 12/307:45 amSUX - IAD
1 stop26h 58mUnited Airlines
Deal found 5/16$482
Tue 12/2410:20 pmIAD - SUX
2 stops25h 25mUnited Airlines
Mon 12/307:45 amSUX - IAD
1 stop26h 58mUnited Airlines
Deal found 5/16$484
Tue 6/2510:08 pmIAD - SUX
1 stop21h 18mUnited Airlines
Fri 6/286:15 amSUX - IAD
1 stop17h 15mUnited Airlines
Deal found 5/15$525
Tue 12/2410:20 pmIAD - SUX
2 stops25h 25mUnited Airlines
Mon 12/307:45 amSUX - IAD
2 stops26h 48mUnited Airlines
Deal found 5/16$539
Sat 5/2510:20 pmIAD - SUX
2 stops25h 33mUnited Airlines
Mon 5/276:26 amSUX - IAD
2 stops24h 07mUnited Airlines
Deal found 5/15$650
Sat 5/2510:20 pmIAD - SUX
2 stops25h 33mUnited Airlines
Mon 5/2711:55 amSUX - IAD
1 stop16h 30mUnited Airlines
Deal found 5/15$662
Sat 5/255:10 pmIAD - SUX
1 stop18h 55mUnited Airlines
Mon 5/2711:55 amSUX - IAD
1 stop10h 09mUnited Airlines
Deal found 5/15$717

Dulles Intl to Sioux City flights leaving soon

Find last-minute flight options from Dulles Intl to Sioux City for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Sat 5/2510:20 pmIAD - SUX
2 stops25h 33mUnited Airlines
Mon 5/276:26 amSUX - IAD
2 stops24h 07mUnited Airlines
Deal found 5/15$650
Sat 5/2510:20 pmIAD - SUX
2 stops25h 33mUnited Airlines
Mon 5/2711:55 amSUX - IAD
1 stop16h 30mUnited Airlines
Deal found 5/15$662
Sat 5/255:10 pmIAD - SUX
1 stop18h 55mUnited Airlines
Mon 5/2711:55 amSUX - IAD
1 stop10h 09mUnited Airlines
Deal found 5/15$717

Find flights from Dulles Intl to Sioux City within your budget

Customize your flight search to find flights from Dulles Intl to Sioux City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$525 - $525

Route

Depart

Return

Price

Washington, D.C. Dulles IntlSioux City Sioux Gateway

IAD - SUX

IADSUX

Washington, D.C. Dulles Intl

Tue 6/25

1 stop21h 18m

Sioux City Sioux Gateway

Fri 6/28

1 stop17h 15m

$525

Flights are sorted by cheapest first

Deals found on 5/15

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Sioux City. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
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.
Search Deals

Average price of flights to Sioux City by month

Plan your trip from Dulles Intl to Sioux City by taking into account the cheapest months to travel. The average price of a one-way flight from Dulles Intl to Sioux City is currently $0 while a round-trip flight costs $525. Price data was last updated on May 12, 2024.

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sioux City (average of $303). Flying from Washington, D.C. Dulles Intl Airport to Sioux City in July is currently the most expensive (average of $539). 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.

January

$352

February

$312

March

$446

April

$303

May

$476

June

$538

July

$539

August

$415

September

$344

October

$460

November

$375

December

$416

Temperature and rainfall in Sioux City by month

Plan your trip to Sioux City by taking into account the average temperature and rainfall totals by month.

SUX

Temperature

21.2 - 75.2 °F

Reviews of airlines servicing Sioux City

Get insights into the airlines that provide service to Sioux City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux City. Reviews last updated May 16, 2024.
United Airlines
7.4
Good
10,924 reviews
Check prices

Food

6.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.2

Boarding

7.7

Reviews

1 / 10

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.

United Airlines
7.4
Good
10,924 reviews
United Airlines
7.4
Good
10,924 reviews
Check prices

Food

6.7

Crew

8.1

Entertainment

7.1

Overall

7.4

Comfort

7.2

Boarding

7.7

Reviews

1 / 10

For a first class fair this was the worse ever. 1. Long delay departing. 2. Long time landing. 3. Late getting car hire. 4. No compensation whatsoever. Do I need to say more. You check it out yourself.

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?

    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 1 airline.

  • Can I find flights from Washington, D.C. Dulles Intl Airport to Sioux City for under $600 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Sioux City for under $600. The cheapest flight booked recently is on United Airlines for just $525, but on average you can expect to pay $525.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Sioux City for under $700?

    There are currently 3+ open flights from Washington, D.C. Dulles Intl Airport to Sioux City within the next 7 days for less than $700.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Sioux City round-trip?

    Flying on United Airlines is currently your cheapest option to Sioux City, with prices starting at $525.

  • What does IAD to SUX mean?

    Washington, D.C. Dulles Intl Airport is IAD and Sioux City Sioux Gateway Airport is SUX. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Dulles Intl to Sioux City that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl to Sioux City flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Dulles Intl to Sioux City with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to Sioux City flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by 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.

  • Can I find deals for flights from Dulles Intl to Sioux City that allow pets onboard?

    Many airlines flying from Dulles Intl to Sioux City offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Dulles Intl to Sioux City?

    Yes, you can often find last-minute deals on Dulles Intl to Sioux City flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. Dulles Intl Airport to Sioux City flight deals updated?

    The Washington, D.C. Dulles Intl Airport to Sioux City flight deals you see on this page were last updated on 5/16.

See more FAQs

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 Dulles Intl to Sioux City
See prices for flight routes from nearby airports that may be better suited for you.

Reagan-National to Omaha flights
Dulles Intl to Omaha flights
Reagan-National to Des Moines flights
Baltimore to Omaha flights
Reagan-National to Cedar Rapids flights
Dulles Intl to Cedar Rapids flights
Dulles Intl to Des Moines flights
Baltimore to Des Moines flights
Baltimore to Cedar Rapids flights
Baltimore to Moline flights
Reagan-National to Moline flights
Dulles Intl to Moline flights
Baltimore to Waterloo flights
Baltimore to Sioux City flights
Reagan-National to Sioux City flights
Dulles Intl to Waterloo flights
Reagan-National to La Crosse flights
Reagan-National to Waterloo flights
Baltimore to La Crosse flights
Dulles Intl to La Crosse flights
Baltimore to Kirksville flights
Reagan-National to Dubuque flights
Baltimore to Burlington flights
Dulles Intl to Kirksville flights
Dulles Intl to Dubuque flights
Baltimore to Dubuque flights

Top airline flying from Dulles Intl to Sioux City

Discover the top airline that operate flights from Dulles Intl to Sioux City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$350Average$781FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Baltimore to Houston flights
Detroit to Los Angeles flights
Los Angeles to Tokyo flights
USA to Greece flights
Seattle to Houston flights
San Francisco to Salt Lake City flights
Boston to Aruba flights
Charlotte to Los Angeles flights
Atlanta to New York flights
Detroit to Hawaii flights
Chicago to Detroit flights
Washington, D.C. Dulles Intl Airport to El Salvador flights

Search flights from Dulles Intl to Sioux City by cabin class

Find flights from Dulles Intl to Sioux City, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Montes Claros
Flights to Girona Costa Brava
Flights to Naxos
Flights to Bourgas
Flights to Hyannis Barnstable
Flights to Samos
Flights to Reggio Calabria Tito Menniti
Flights to Devils Lake
Flights to Ningbo Lishe Intl
Flights to Pellston Emmet County
Flights to Provincetown
Flights to Cortez Montezuma County
Flights to Ohrid
Flights to Oran Es Senia
Flights to Menorca/Mahon
Flights to Hakodate
Flights to Ordu/Giresun
Flights to Laayoune Hassan I
Flights to Cornwall Newquay
Flights to Melilla
Flights to Rennes St Jacques
Flights to Parikia Paros
Flights to Constanţa Mihail Kogalniceanu
Flights to Miyakojima Hirara

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dulles Intl to Sioux City?

Cheapflights makes it easy to find Dulles Intl to Sioux City flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Sioux City?

Millions of users choose and trust Cheapflights to book the best flight deals from Dulles Intl to Sioux City for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Dulles Intl to Sioux City with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Dulles Intl to Sioux City, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Dulles Intl to Sioux City become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sioux City from Dulles Intl today and book when prices fit your budget.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines