HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Dakota

$157+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — FSD
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to South Dakota 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 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 March 22, 2026.

This CheapOair deal was found by Cheapflights users on 3/21. 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.
Mon 4/208:00 am
DCA
-
FSD
1 stop12h 21m
Frontier
Fri 4/248:06 pm
FSD
-
DCA
1 stop15h 54m
Frontier
Deal found 3/21$212
This CheapOair deal was found by Cheapflights users on 3/22. 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 5/207:00 am
DCA
-
FSD
1 stop12h 33m
Frontier
Wed 5/277:18 pm
FSD
-
DCA
1 stop16h 41m
Frontier
Deal found 3/22$232
This CheapOair deal was found by Cheapflights users on 3/20. 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.
Fri 4/178:00 am
DCA
-
FSD
1 stop12h 21m
Frontier
Mon 4/208:06 pm
FSD
-
DCA
1 stop24h 53m
Frontier
Deal found 3/20$253
This CheapOair deal was found by Cheapflights users on 3/21. 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 4/166:00 pm
DCA
-
FSD
1 stop26h 21m
Frontier
Mon 4/208:06 pm
FSD
-
DCA
1 stop24h 53m
Frontier
Deal found 3/21$277
This CheapOair deal was found by Cheapflights users on 3/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:00 am
DCA
-
FSD
1 stop9h 22m
Frontier
Mon 5/114:07 pm
FSD
-
DCA
1 stop23h 52m
Frontier
Deal found 3/18$302
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:05 am
DCA
-
RAP
1 stop6h 15m
Delta
Thu 4/163:55 pm
RAP
-
DCA
1 stop5h 48m
Delta
Deal found 3/18$329
This Delta deal was found by Cheapflights users on 3/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:05 am
DCA
-
RAP
1 stop6h 15m
Delta
Sat 4/1111:03 am
RAP
-
DCA
2 stops9h 48m
Delta
Deal found 3/19$334
This Delta deal was found by Cheapflights users on 3/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:45 pm
DCA
-
RAP
2 stops9h 40m
Delta
Sat 4/1111:03 am
RAP
-
DCA
2 stops9h 48m
Delta
Deal found 3/18$339
This American Airlines deal was found by Cheapflights users on 3/20. 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 9/85:00 am
DCA
-
FSD
1 stop7h 46m
American Airlines
Tue 9/1512:30 pm
FSD
-
DCA
1 stop4h 57m
American Airlines
Deal found 3/20$339
This Delta deal was found by Cheapflights users on 3/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:05 am
DCA
-
FSD
1 stop5h 07m
Delta
Mon 4/201:44 pm
FSD
-
DCA
2 stops8h 06m
Delta
Deal found 3/20$344
This Delta deal was found by Cheapflights users on 3/17. 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 4/86:25 am
DCA
-
RAP
1 stop5h 55m
Delta
Fri 4/173:55 pm
RAP
-
DCA
1 stop5h 48m
Delta
Deal found 3/17$349
This Delta deal was found by Cheapflights users on 3/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:05 pm
DCA
-
FSD
2 stops8h 04m
Delta
Tue 9/151:20 pm
FSD
-
DCA
2 stops8h 31m
Delta
Deal found 3/20$349

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 March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$212
(CheapOair)

One-way from

$157
(CheapOair)

Popular in

June

Cheapest in

November

Average price

$318
Provider with most accurate pricing for Washington, D.C. (WAS)-Sioux Falls Joe Foss Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sioux Falls Joe Foss Field flights.
Search Deals
From Washington, D.C. Reagan-National to South Dakota
Search Deals
One-way flight from Washington, D.C. Reagan-National to South Dakota
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 22, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Thu 4/9

6:05 am-10:20 am

1 stop6h 15m

Rapid City

Mon 4/13

3:55 pm-11:43 pm

1 stop5h 48m

$329

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Fri 4/10

6:05 am-10:20 am

1 stop6h 15m

Rapid City

Thu 4/16

3:55 pm-11:43 pm

1 stop5h 48m

$349

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Fri 4/10

6:05 am-10:20 am

1 stop6h 15m

Rapid City

Tue 4/14

3:55 pm-11:43 pm

1 stop5h 48m

$349

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Wed 4/1

8:20 am-2:34 pm

1 stop7h 14m

Sioux Falls Joe Foss Field

Sun 4/5

6:10 am-11:59 am

1 stop4h 49m

$369

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Tue 4/7

6:05 am-10:20 am

1 stop6h 15m

Rapid City

Fri 4/17

3:55 pm-11:43 pm

1 stop5h 48m

$374

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Wed 4/1

2:40 pm-11:04 pm

2 stops9h 24m

Sioux Falls Joe Foss Field

Sun 4/5

5:00 am-11:14 am

1 stop5h 14m

$374
Quickest round-trip

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Tue 4/7

6:05 am-10:20 am

1 stop6h 15m

Rapid City

Sat 4/18

10:58 am-6:02 pm

1 stop5h 04m

$377

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Sat 4/18

8:20 am-2:34 pm

1 stop7h 14m

Sioux Falls Joe Foss Field

Wed 4/22

7:39 am-3:38 pm

1 stop6h 59m

$429

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Mon 5/4

5:00 pm-9:46 pm

1 stop6h 46m

Rapid City

Tue 5/5

9:30 am-7:05 pm

1 stop7h 35m

$431

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Fri 4/24

6:05 am-10:17 am

1 stop6h 12m

Rapid City

Tue 4/28

3:55 pm-11:43 pm

1 stop5h 48m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 37 resultsSorted by cheapest first
1
2
3
4

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, June is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to South Dakota (average of $196). Flying from Washington, D.C. Reagan-National Airport to South Dakota in March is currently the most expensive (average of $540). 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.

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 March 22, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to South Dakota, such as Delta,United Airlines, andAmerican Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,314 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

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.
Delta
7.9
Good
8,314 reviews
Delta
7.9
Good
8,314 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

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.
United Airlines
7.4
Good
9,455 reviews
Delta
7.9
Good
8,314 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

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.
American Airlines
7.1
Good
11,489 reviews
Delta
7.9
Good
8,314 reviews

Crew

8.5

Boarding

8.1

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

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 6h 15m. Delta provides one of the quickest options available for as low as $329. The distance between Washington, D.C. Reagan-National Airport and South Dakota is about 1387 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?

    When deciding which route to take from Washington, D.C. Reagan-National Airport to South Dakota consider Washington, D.C. Reagan-National - Rapid City, Washington, D.C. Reagan-National - Sioux Falls Joe Foss Field or Washington, D.C. Reagan-National - Pierre as they are the most popular.

  • 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, June is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to South Dakota (average of $196). Flying from Washington, D.C. Reagan-National Airport to South Dakota in March is currently the most expensive (average of $540). 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 Reagan-National to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Dallas/Fort Worth flights
Dulles Intl to Las Vegas flights
Baltimore to Fort Lauderdale flights
Dulles Intl to Orlando flights
Dulles Intl to Miami flights
Dulles Intl to Seattle flights
Baltimore to Dallas/Fort Worth flights
Reagan-National to Dallas/Fort Worth flights
Reagan-National to Miami flights
Baltimore to Orlando flights
Baltimore to Miami flights
Dulles Intl to Los Angeles flights
Reagan-National to Seattle flights
Baltimore to Las Vegas flights
Baltimore to Atlanta flights
Baltimore to O'Hare Intl flights
Reagan-National to Los Angeles flights
Reagan-National to Orlando flights
Dulles Intl to O'Hare Intl flights
Reagan-National to Las Vegas flights
Baltimore to Los Angeles flights
Dulles Intl to Atlanta flights
Dulles Intl to Hobby flights
Dulles Intl to Denver flights
Dulles Intl to Fort Lauderdale flights
Reagan-National to O'Hare Intl flights
Baltimore to Denver flights
Dulles Intl to Tampa flights
Reagan-National to Atlanta flights
Reagan-National to Hobby flights
Dulles Intl to New Orleans flights
Reagan-National to Fort Lauderdale flights
Baltimore to Hobby flights
Baltimore to Tampa flights
Dulles Intl to Sky Harbor Intl flights
Dulles Intl to San Francisco flights
Dulles Intl to George Bush Intcntl flights
Reagan-National to San Francisco flights
Baltimore to Seattle flights
Baltimore to New Orleans flights
Baltimore to San Francisco flights
Reagan-National to Boston flights
Dulles Intl to Boston flights
Reagan-National to Tampa flights
Baltimore to George Bush Intcntl flights
Reagan-National to George Bush Intcntl flights
Reagan-National to Denver flights
Baltimore to Boston flights
Reagan-National to Nashville flights
Dulles Intl to Austin flights

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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$411FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$278Average$533FlexibilityNo cancel feeOn-time71%
DeltaCheapest$288Average$437FlexibilityNo cancel feeOn-timeN/A

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.