South Dakota

$88+ Cheap flights from Reagan-National (DCA) to South Dakota

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — FSD
Jan 17 — Jan 241
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Cheap flight deals from Reagan-National to South Dakota

Cheapest flights from Reagan-National to South Dakota
Explore the most affordable flight options available from Reagan-National to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amDCA - FSD
1 stop5h 11mAmerican Airlines
Tue 1/66:00 amFSD - DCA
1 stop4h 57mAmerican Airlines
Deal found 12/15$294
This Delta deal was found by Cheapflights users on 12/15. 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.
Mon 12/296:00 amDCA - FSD
1 stop7h 33mDelta
Tue 1/65:00 amFSD - DCA
2 stops7h 52mDelta
Deal found 12/15$334
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:55 amDCA - FSD
1 stop8h 04mAmerican Airlines
Tue 1/66:00 amFSD - DCA
1 stop4h 57mAmerican Airlines
Deal found 12/16$339
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:05 pmDCA - FSD
2 stops10h 03mDelta
Tue 1/65:00 amFSD - DCA
1 stop5h 00mDelta
Deal found 12/16$364
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/165:00 pmDCA - FSD
1 stop5h 50mUnited Airlines
Mon 12/227:30 amFSD - DCA
1 stop5h 47mUnited Airlines
Deal found 12/15$409
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:30 amDCA - FSD
1 stop6h 57mUnited Airlines
Sun 12/217:30 amFSD - DCA
1 stop5h 47mUnited Airlines
Deal found 12/15$419
This Delta deal was found by Cheapflights users on 12/15. 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.
Fri 12/196:10 amDCA - FSD
1 stop5h 07mDelta
Sun 12/211:25 pmFSD - DCA
2 stops8h 31mDelta
Deal found 12/15$424
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:42 pmDCA - FSD
1 stop5h 25mDelta
Fri 12/2611:06 amFSD - DCA
1 stop6h 03mDelta
Deal found 12/17$536
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:35 amDCA - RAP
1 stop8h 34mDelta
Mon 12/226:19 amRAP - DCA
1 stop5h 37mDelta
Deal found 12/17$544
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:30 amDCA - RAP
1 stop6h 00mUnited Airlines
Mon 12/227:00 amRAP - DCA
1 stop5h 59mUnited Airlines
Deal found 12/15$584
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:00 amDCA - PIR
2 stops11h 14mUnited Airlines
Sun 12/216:15 amPIR - DCA
1 stop7h 44mUnited Airlines
Deal found 12/17$812
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/1912:59 pmDCA - RAP
2 stops10h 32mAmerican Airlines
Mon 12/225:30 amRAP - DCA
2 stops11h 27mAmerican Airlines
Deal found 12/17$883

Find flight deals from Reagan-National to South Dakota

Keep the following information in mind while searching for Reagan-National to South Dakota flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$279
(United Airlines)

One-way from

$88
(Expedia)

Popular in

April

Cheapest in

February

Average price

$354
Provider with most accurate pricing for Washington, D.C. (WAS)-Sioux Falls Joe Foss Field flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sioux Falls Joe Foss Field flights.
From Washington, D.C. Reagan-National to South Dakota
One-way flight from Washington, D.C. Reagan-National to South Dakota
Highest demand for flights based on searches. 10% potential increase in price ($41 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to South Dakota 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 December 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to South Dakota that are best for you.

Fly from

Reagan-National

Fly to

South Dakota

Route

Depart

Return

Price

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Thu 1/8

11:55 am-3:25 pm

1 stop5h 30m

Rapid City

Wed 1/14

4:10 pm-11:23 pm

1 stop5h 13m

$289

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Tue 1/6

6:05 am-10:13 am

1 stop6h 08m

Rapid City

Tue 1/13

6:00 am-1:38 pm

1 stop5h 38m

$289

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Mon 1/19

6:05 am-10:13 am

1 stop6h 08m

Rapid City

Sat 1/24

6:00 am-1:59 pm

1 stop5h 59m

$289

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Mon 12/29

6:00 am-10:11 am

1 stop5h 11m

Sioux Falls Joe Foss Field

Tue 1/6

6:00 am-11:57 am

1 stop4h 57m

$294

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Mon 12/29

6:00 am-12:33 pm

1 stop7h 33m

Sioux Falls Joe Foss Field

Tue 1/6

5:00 am-1:52 pm

2 stops7h 52m

$334

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Mon 12/29

6:00 pm-9:56 pm

1 stop4h 56m

Sioux Falls Joe Foss Field

Tue 1/6

7:30 am-2:19 pm

1 stop5h 49m

$339

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Sun 12/28

11:55 am-6:59 pm

1 stop8h 04m

Sioux Falls Joe Foss Field

Tue 1/6

6:00 am-11:57 am

1 stop4h 57m

$339

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Sat 1/10

6:30 am-10:47 am

1 stop5h 17m

Sioux Falls Joe Foss Field

Mon 1/12

7:30 am-2:16 pm

1 stop5h 46m

$359

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Sun 12/28

2:05 pm-11:08 pm

2 stops10h 03m

Sioux Falls Joe Foss Field

Tue 1/6

5:00 am-11:00 am

1 stop5h 00m

$364

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Mon 1/5

8:00 am-7:55 pm

1 stop12h 55m

Sioux Falls Joe Foss Field

Mon 1/12

9:31 pm-4:59 pm

2 stops42h 28m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 23 results
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Best time to book a flight from Reagan-National to South Dakota

Have a flexible travel schedule? Discover the best time to fly to South Dakota 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 South Dakota

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to South Dakota (average of $138). Flying from Washington, D.C. Reagan-National Airport to South Dakota in May is currently the most expensive (average of $384). 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.

What is the cheapest time of day to fly from DCA to SD?

Find hourly flight availability from Reagan-National to South Dakota. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Reagan-National Airport to South Dakota in the evening. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the morning.

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

Reviews of airlines servicing South Dakota

Get insights into the airlines that provide service to South Dakota. 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 South Dakota. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to South Dakota, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to South Dakota. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Washington, D.C. Reagan-National Airport to South Dakota?

    A quick flight from Washington, D.C. Reagan-National Airport to South Dakota can take about 4h 56m. Delta provides one of the quickest options available for as low as $339. The distance between Washington, D.C. Reagan-National Airport and South Dakota is about 1071 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Washington, D.C. Reagan-National Airport to South Dakota?

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

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

  • How can I find direct flights from Reagan-National to South Dakota?

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

  • Can I find deals for business class flights from Reagan-National to South Dakota?

    Yes. Cheapflights offers flight deals from Reagan-National to South Dakota 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 South Dakota?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to South Dakota (average of $138). Flying from Washington, D.C. Reagan-National Airport to South Dakota in May is currently the most expensive (average of $384). 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

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Alternative routes for Reagan-National to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Reagan-National to South Dakota

Discover the top 3 airlines that operate flights from Reagan-National to South Dakota. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$486FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$479FlexibilityNo cancel feeOn-time71%
DeltaCheapest$268Average$440FlexibilityNo cancel feeOn-timeN/A

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