HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Reagan-National

$245+ Cheap flights from Sioux City (SUX) to Reagan-National (DCA)

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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — DCA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sioux City to Reagan-National 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 Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Sioux City (SUX) to Reagan-National (DCA). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$245
(United Airlines)
Provider with most accurate pricing for Sioux City Sioux Gateway-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux City Sioux Gateway-Washington, D.C. Reagan-National flights.
Search Deals
From Sioux City Sioux Gateway to Washington, D.C. Reagan-National
Search Deals

Find flight deals from Sioux City to Reagan-National

Cheapest flights from Sioux City to Reagan-National
Explore the most affordable flight options available from Sioux City to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 3/2010:00 amSUX - DCA
1 stop4h 36mUnited Airlines
Sat 3/225:00 pmDCA - SUX
1 stop6h 32mUnited Airlines
Deal found 2/20$245

Find flights from Sioux City to Reagan-National within your budget

Customize your flight search to find flights from Sioux City to Reagan-National 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 February 20, 2025.

Fly from

Sioux City

Fly to

Reagan-National

Route

Depart

Return

Price

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Thu 3/20

10:00 am-3:36 pm

1 stop4h 36m

Washington, D.C. Reagan-National

Sat 3/22

5:00 pm-10:32 pm

1 stop6h 32m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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 Reagan-National

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

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

Currently, February is the cheapest month in which you can book a flight from Sioux City to Washington, D.C. Reagan-National Airport (average of $278). Flying from Sioux City to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $345). 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 Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport 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. Reagan-National Airport when rainfall is around 2.6 in.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, 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 Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated February 20, 2025.
United Airlines
7.4
Good
8,765 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.7

Comfort

7.3

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
8,765 reviews
United Airlines
7.4
Good
8,765 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.7

Comfort

7.3

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 Reagan-National. 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. Reagan-National?

    Sioux City Sioux Gateway (SUX), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Sioux City to Washington, D.C. Reagan-National. 1 airline have flights from Sioux Gateway to Washington, D.C. Reagan-National on a regular basis. Booking flights from Sioux City Sioux Gateway to Washington, D.C. Reagan-National should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Reagan-National per day.

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

    United Airlines, at $245, was found to be the cheapest airline from Sioux City to Washington, D.C. Reagan-National Airport..

  • Can I find deals for flights from Sioux City to Reagan-National that include hotel bookings?

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

  • How can I find direct flights from Sioux City to Reagan-National?

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

  • Can I find deals for business class flights from Sioux City to Reagan-National?

    Yes. Cheapflights offers flight deals from Sioux City to Reagan-National 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. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from Sioux City to Washington, D.C. Reagan-National Airport (average of $278). Flying from Sioux City to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $345). 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

Traveling to a place near Sioux City?

Book flights to Sioux City if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Springfield
Rockville
Tysons
Gaithersburg
Silver Spring
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Woodbridge
Easton
Herndon
Bowie
Reston
National Harbor
Oxon Hill
Gettysburg

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 Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Omaha to Reagan-National flights
Des Moines to Reagan-National flights
Cedar Rapids to Reagan-National flights
Omaha to Dulles Intl flights
Des Moines to Dulles Intl flights
Cedar Rapids to Dulles Intl flights
Omaha to Baltimore flights
Des Moines to Baltimore flights
Moline to Dulles Intl flights
Moline to Reagan-National flights
Cedar Rapids to Baltimore flights
Moline to Baltimore flights
Dubuque to Reagan-National flights
Waterloo to Reagan-National flights
Dubuque to Baltimore flights
La Crosse to Reagan-National flights
La Crosse to Dulles Intl flights
Waterloo to Baltimore flights
Sioux City to Dulles Intl flights
Waterloo to Dulles Intl flights
La Crosse to Baltimore flights
Sioux City to Baltimore flights

Top airline flying from Sioux City to Reagan-National

Discover the top airline that operate flights from Sioux City to Reagan-National. 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 February 20, 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.