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Reagan-National

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

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
SUX — DCA
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$526
(United Airlines)

One-way from

$245
(United Airlines)
Provider with most accurate pricing for Sioux City Sioux Gateway-Washington, D.C. Reagan-National flight deals.
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Provider most trusted by Cheapflights users for Sioux City Sioux Gateway-Washington, D.C. Reagan-National flights.
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From Sioux City Sioux Gateway to Washington, D.C. Reagan-National
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One-way flight from Sioux City Sioux Gateway to Washington, D.C. Reagan-National
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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 March 25, 2025.

This United Airlines deal was found by Cheapflights users on 3/24. 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.
Fri 4/2510:03 amSUX - DCA
1 stop27h 08mUnited Airlines
Thu 5/16:25 amDCA - SUX
1 stop17h 05mUnited Airlines
Deal found 3/24$526

Cheapflights Fare Finder

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 March 25, 2025.
Use the filters below to find and compare flights from Sioux City to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Sioux City

Fly to

Reagan-National

Route

Depart

Return

Price

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Fri 4/25

10:03 am-2:11 pm

1 stop27h 08m

Washington, D.C. Reagan-National

Thu 5/1

6:25 am-10:30 pm

1 stop17h 05m

$526

Sioux CityWashington, D.C.

SUX - DCA

SUXDCA

Sioux City Sioux Gateway

Fri 4/25

10:03 am-5:00 pm

1 stop5h 57m

$245

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from Sioux City to Reagan-National

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux City to Reagan-National in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.

Cheapflights Insights

Everything you need to know about your flight from Sioux City to Washington, D.C. Reagan-National Airport

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 March 25, 2025.
United Airlines
7.4
Good
8,605 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.0

Food

6.6

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
8,605 reviews
United Airlines
7.4
Good
8,605 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.0

Food

6.6

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 $526, 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
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Gettysburg
National Harbor
Oxon Hill
Reston

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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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$269Average$463FlexibilityNo cancel feeOn-time69%
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