HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$454+ Cheap flights from Sioux City (SUX) to District of Columbia

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — IAD
Mar 8 — Mar 151
Sat 3/8
Sat 3/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sioux City to District of Columbia with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Sioux City to District of Columbia

Keep the following information in mind while searching for Sioux City to District of Columbia flight deals. Data was last updated March 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$454
(United Airlines)
Provider with most accurate pricing for Sioux City Sioux Gateway-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux City Sioux Gateway-Washington, D.C. (WAS) flights.
Search Deals
From Sioux City Sioux Gateway to District of Columbia
Search Deals

Find flight deals from Sioux City to District of Columbia

Cheapest flights from Sioux City to District of Columbia
Explore the most affordable flight options available from Sioux City to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 3, 2025.

This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/210:03 amSUX - DCA
1 stop4h 38mUnited Airlines
Thu 4/33:30 pmDCA - SUX
1 stop7h 56mUnited Airlines
Deal found 3/2$454
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/210:03 amSUX - IAD
1 stop5h 27mUnited Airlines
Thu 4/310:20 pmIAD - SUX
1 stop17h 20mUnited Airlines
Deal found 3/2$487

Find flights from Sioux City to District of Columbia within your budget

Customize your flight search to find flights from Sioux City to District of Columbia 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 2,558,603 searches. Data last updated March 3, 2025.

Fly from

Sioux City

Fly to

District of Columbia

Route

Depart

Return

Price

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Wed 4/2

10:03 am-3:41 pm

1 stop4h 38m

Washington, D.C. Reagan-National

Thu 4/3

3:30 pm-10:26 pm

1 stop7h 56m

$454

Sioux CityWashington, D.C.

SUX - IAD

SUXIAD

Sioux City Sioux Gateway

Wed 4/2

10:03 am-4:30 pm

1 stop5h 27m

Washington, D.C. Dulles Intl

Thu 4/3

10:20 pm-2:40 pm

1 stop17h 20m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/2

Best time to book a flight from Sioux City to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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.

Travel insights for flights from Sioux City to District of Columbia

Get recent, data-driven insights about flights from Sioux City to District of Columbia including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Sioux City to District of Columbia?

Currently, August is the cheapest month in which you can book a flight from Sioux City to District of Columbia (average of $309). Flying from Sioux City to District of Columbia in June is currently the most expensive (average of $389). 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.

Rainfall in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in District of Columbia 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 District of Columbia when rainfall is around 2.6 in.

Temperature in District of Columbia by month

Plan your trip to District of Columbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to District of Columbia, 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).

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated March 3, 2025.
United Airlines
7.4
Good
8,679 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,679 reviews
United Airlines
7.4
Good
8,679 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Sioux City to District of Columbia. 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 District of Columbia?

    Sioux City Sioux Gateway (SUX) is the airport you will fly out of if you book a flight from Sioux City to District of Columbia. It is only a 7.0 mi journey to Sioux Gateway (SUX) from Sioux City’s city center.

  • Can I find deals for flights from Sioux City to District of Columbia that include hotel bookings?

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

  • How can I find direct flights from Sioux City to District of Columbia?

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

  • Can I find deals for business class flights from Sioux City to District of Columbia?

    Yes. Cheapflights offers flight deals from Sioux City to District of Columbia 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 District of Columbia?

    Currently, August is the cheapest month in which you can book a flight from Sioux City to District of Columbia (average of $309). Flying from Sioux City to District of Columbia in June is currently the most expensive (average of $389). 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.

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 Sioux City to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Omaha to Seattle flights
Omaha to Sky Harbor Intl flights
Omaha to Dallas/Fort Worth flights
Des Moines to Las Vegas flights
Des Moines to Denver flights
Des Moines to Sky Harbor Intl flights
Omaha to Orlando flights
Cedar Rapids to Denver flights
Omaha to San Francisco flights
Omaha to O'Hare Intl flights
Cedar Rapids to Sky Harbor Intl flights
Des Moines to LaGuardia flights
Cedar Rapids to Orlando flights
Des Moines to Seattle flights
Omaha to Las Vegas flights
Des Moines to John F Kennedy Intl flights
Omaha to Denver flights
Des Moines to Orlando flights
Des Moines to Dallas/Fort Worth flights
Cedar Rapids to Dallas/Fort Worth flights
Cedar Rapids to Seattle flights
Omaha to Salt Lake City flights
Omaha to LaGuardia flights
Omaha to Miami flights
Des Moines to Atlanta flights
Des Moines to Newark flights
Cedar Rapids to Reagan-National flights
Des Moines to O'Hare Intl flights
Moline to Seattle flights
Omaha to Hobby flights
Cedar Rapids to John F Kennedy Intl flights
Omaha to Los Angeles flights
Omaha to John F Kennedy Intl flights
Cedar Rapids to Atlanta flights
Moline to Dallas/Fort Worth flights
Omaha to Reagan-National flights
Omaha to San Diego flights
Omaha to Philadelphia flights
Omaha to George Bush Intcntl flights
Cedar Rapids to Las Vegas flights
Cedar Rapids to Phoenix-Mesa Gateway flights
Des Moines to Reagan-National flights
Cedar Rapids to LaGuardia flights
Des Moines to Hobby flights
Omaha to Nashville flights
Moline to Denver flights
Omaha to Boston flights
Cedar Rapids to Newark flights
Des Moines to San Francisco flights
Cedar Rapids to Miami flights

Top airline flying from Sioux City to District of Columbia

Discover the top airline that operate flights from Sioux City to District of Columbia. 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 2,558,603 searches. Data last updated March 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$269Average$483FlexibilityNo cancel feeOn-time69%
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.