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Sioux Falls

$120+ Cheap flights from Reagan-National (DCA) to Sioux Falls (FSD)

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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — FSD
Aug 19 — Aug 261
Wed 8/19
Wed 8/26
1 adult, Economy
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Cheap flight deals from Reagan-National to Sioux Falls

Cheapest flights from Reagan-National to Sioux Falls
Explore the most affordable flight options available from Reagan-National to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 20, 2026.

This CheapOair deal was found by Cheapflights users on 7/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 pm
DCA
-
FSD
1 stop25h 36m
Frontier
Mon 10/57:31 pm
FSD
-
DCA
1 stop25h 27m
Frontier
Deal found 7/20$250
This CheapOair deal was found by Cheapflights users on 7/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:00 am
DCA
-
FSD
1 stop13h 23m
Frontier
Wed 8/128:08 pm
FSD
-
DCA
1 stop19h 51m
Frontier
Deal found 7/15$255
This CheapOair deal was found by Cheapflights users on 7/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:59 pm
DCA
-
FSD
1 stop6h 24m
Frontier
Mon 8/178:08 pm
FSD
-
DCA
1 stop19h 51m
Frontier
Deal found 7/16$260
This American Airlines deal was found by Cheapflights users on 7/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:35 am
DCA
-
FSD
1 stop6h 18m
American Airlines
Tue 9/1512:06 pm
FSD
-
DCA
1 stop7h 00m
American Airlines
Deal found 7/20$319
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:59 pm
DCA
-
FSD
1 stop4h 52m
Delta
Tue 8/115:00 am
FSD
-
DCA
1 stop5h 00m
Delta
Deal found 7/15$344
This United Airlines deal was found by Cheapflights users on 7/16. 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 8/272:00 pm
DCA
-
FSD
1 stop4h 58m
United Airlines
Thu 9/37:47 am
FSD
-
DCA
1 stop5h 36m
United Airlines
Deal found 7/16$345
This American Airlines deal was found by Cheapflights users on 7/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:35 pm
DCA
-
FSD
2 stops7h 55m
American Airlines
Mon 8/175:23 pm
FSD
-
DCA
1 stop5h 36m
American Airlines
Deal found 7/17$349
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Sun 8/166:10 pm
DCA
-
FSD
1 stop6h 12m
United Airlines
Sun 8/237:47 am
FSD
-
DCA
1 stop5h 36m
United Airlines
Deal found 7/19$351
This American Airlines deal was found by Cheapflights users on 7/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:59 am
DCA
-
FSD
1 stop9h 00m
American Airlines
Sun 8/236:24 am
FSD
-
DCA
1 stop5h 33m
American Airlines
Deal found 7/18$370

Find flight deals from Reagan-National to Sioux Falls

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Sioux Falls (FSD). 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 July 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$250
(CheapOair)

One-way from

$120
(Frontier)

Popular in

March

Cheapest in

January

Average price

$473
Provider with most accurate pricing for Washington, D.C. Reagan-National-Sioux Falls Joe Foss Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Sioux Falls Joe Foss Field flights.
Search Deals
From Washington, D.C. Reagan-National to Sioux Falls Joe Foss Field
Search Deals
One-way flight from Washington, D.C. Reagan-National to Sioux Falls Joe Foss Field
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Sioux Falls 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 July 20, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Sioux Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Tue 9/8

11:35 am-4:53 pm

1 stop6h 18m

Sioux Falls Joe Foss Field

Tue 9/15

12:06 pm-8:06 pm

1 stop7h 00m

$319

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Wed 8/5

6:05 am-10:20 am

1 stop5h 15m

Sioux Falls Joe Foss Field

Tue 8/11

1:26 pm-10:00 pm

1 stop7h 34m

$319

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Sun 8/16

6:10 pm-11:22 pm

1 stop6h 12m

Sioux Falls Joe Foss Field

Sun 8/23

7:47 am-2:23 pm

1 stop5h 36m

$351

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Wed 8/5

5:00 am-11:36 am

2 stops7h 36m

Sioux Falls Joe Foss Field

Wed 8/12

6:24 am-1:54 pm

1 stop6h 30m

$380
Quickest round-trip

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Fri 9/11

7:10 pm-11:12 pm

1 stop5h 02m

Sioux Falls Joe Foss Field

Sun 9/13

7:40 am-2:23 pm

1 stop5h 43m

$423

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Fri 7/31

6:59 pm-11:06 pm

1 stop5h 07m

Sioux Falls Joe Foss Field

Sun 8/2

5:20 am-12:42 pm

1 stop6h 22m

$424

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Sun 8/16

1:59 pm-7:23 pm

1 stop30h 24m

Sioux Falls Joe Foss Field

Sun 8/23

10:00 pm-12:51 pm

2 stops13h 51m

$432

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Sun 7/26

5:05 pm-11:31 pm

1 stop7h 26m

Sioux Falls Joe Foss Field

Sat 8/1

11:16 am-5:12 pm

1 stop4h 56m

$445

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Sun 7/26

10:00 am-4:54 pm

1 stop7h 54m

Sioux Falls Joe Foss Field

Sat 8/1

1:01 pm-10:20 pm

2 stops8h 19m

$450

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Thu 7/23

1:44 pm-9:58 pm

1 stop9h 14m

Sioux Falls Joe Foss Field

Sat 7/25

4:43 pm-11:59 pm

1 stop6h 16m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Reagan-National to Sioux Falls

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 Reagan-National to Sioux Falls in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Washington, D.C. Reagan-National Airport-Sioux Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Sioux Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Sioux Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Sioux Falls 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 Washington, D.C. Reagan-National Airport-Sioux Falls 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 Reagan-National to Sioux Falls

Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Reagan-National 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 Washington, D.C. Reagan-National Airport to Sioux Falls

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sioux Falls (average of $278). Flying from Washington, D.C. Reagan-National Airport to Sioux Falls in March is currently the most expensive (average of $820). 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.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Sioux Falls?

Reviews of airlines servicing Sioux Falls

Get insights into the airlines that provide service to Sioux Falls. 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 Falls. Reviews last updated July 20, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Washington, D.C. Reagan-National Airport to Sioux Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,476 reviews

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,476 reviews
Delta
7.8
Good
8,476 reviews

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,013 reviews
Delta
7.8
Good
8,476 reviews

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,826 reviews
Delta
7.8
Good
8,476 reviews

Entertainment

7.8

Food

7.2

Boarding

8.1

Comfort

7.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Sioux Falls. 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 Falls from Washington, D.C. Reagan-National?

    Sioux Falls Joe Foss Field (FSD) is the airport you will fly into if you book a flight from Washington, D.C. Reagan-National to Sioux Falls. You should not have trouble finding flights to Joe Foss Field from Washington, D.C. Reagan-National; the airport handles an average of 0 inbound flights from Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Sioux Falls airport from Washington, D.C. Reagan-National. It is only a 2.6 mi journey from Joe Foss Field (FSD) to Sioux Falls’s city center.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Sioux Falls?

    Airlines like American Airlines, Delta, and United Airlines fly from Washington, D.C. Reagan-National Airport to Sioux Falls in about 5h 15m. The time it takes to get you to your destination can typically vary by up to 1h 03m. There are 1071 mi between Washington, D.C. Reagan-National Airport and Sioux Falls. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Sioux Falls round-trip?

    United Airlines, at $258, was found to be the cheapest airline from Washington, D.C. Reagan-National Airport to Sioux Falls.Alternate airlines to your destination round-trip include American Airlines and Delta. Users have found that United Airlines is 48% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Reagan-National to Sioux Falls 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 Washington, D.C. Reagan-National Airport to Sioux Falls?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sioux Falls (average of $278). Flying from Washington, D.C. Reagan-National Airport to Sioux Falls in March is currently the most expensive (average of $820). 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 Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Marshall
Yankton

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Alternative routes for Reagan-National to Sioux Falls

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Rapid City flights
Reagan-National to Rapid City flights
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Dulles Intl to Sioux Falls flights
Baltimore to Sioux Falls flights
Dulles Intl to Pierre flights

Top 3 airlines flying from Reagan-National to Sioux Falls

Discover the top 3 airlines that operate flights from Reagan-National to Sioux Falls. 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 July 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$353FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$278Average$604FlexibilityNo cancel feeOn-time71%
DeltaCheapest$298Average$353FlexibilityNo cancel feeOn-timeN/A

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