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South Dakota

$125+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — FSD
Jul 24 — Jul 311
Fri 7/24
Fri 7/31
1 adult, Economy
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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 June 24, 2026.

This Frontier deal was found by Cheapflights users on 6/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:00 am
DCA
-
FSD
1 stop13h 23m
Frontier
Wed 8/58:08 pm
FSD
-
DCA
1 stop15h 43m
Frontier
Deal found 6/24$229
This CheapOair deal was found by Cheapflights users on 6/21. 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.
Wed 7/157:00 am
DCA
-
FSD
1 stop13h 23m
Frontier
Wed 7/228:08 pm
FSD
-
DCA
1 stop15h 43m
Frontier
Deal found 6/21$240
This CheapOair deal was found by Cheapflights users on 6/20. 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 7/101:59 pm
DCA
-
FSD
1 stop6h 24m
Frontier
Wed 7/158:08 pm
FSD
-
DCA
1 stop24h 51m
Frontier
Deal found 6/20$250
This CheapOair deal was found by Cheapflights users on 6/23. 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 7/107:00 am
DCA
-
FSD
1 stop13h 23m
Frontier
Mon 7/138:08 pm
FSD
-
DCA
1 stop24h 51m
Frontier
Deal found 6/23$260
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Tue 7/287:10 pm
DCA
-
RAP
1 stop6h 06m
United Airlines
Tue 8/41:35 pm
RAP
-
DCA
1 stop7h 20m
United Airlines
Deal found 6/20$271
This Delta deal was found by Cheapflights users on 6/20. 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 7/286:00 am
DCA
-
RAP
2 stops9h 40m
Delta
Tue 8/44:30 pm
RAP
-
DCA
1 stop5h 20m
Delta
Deal found 6/20$276
This CheapOair deal was found by Cheapflights users on 6/23. 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 10/11:59 pm
DCA
-
FSD
1 stop29h 37m
Frontier
Mon 10/127:31 pm
FSD
-
DCA
1 stop16h 19m
Frontier
Deal found 6/23$276
This Delta deal was found by Cheapflights users on 6/23. 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.
Sat 10/177:00 am
DCA
-
RAP
2 stops10h 46m
Delta
Tue 10/202:25 pm
RAP
-
DCA
2 stops6h 28m
Delta
Deal found 6/23$281
This CheapOair deal was found by Cheapflights users on 6/22. 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.
Fri 7/37:00 am
DCA
-
FSD
1 stop13h 19m
Frontier
Wed 7/88:08 pm
FSD
-
DCA
1 stop24h 51m
Frontier
Deal found 6/22$285
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Sat 10/174:24 pm
DCA
-
RAP
1 stop6h 28m
United Airlines
Tue 10/201:37 pm
RAP
-
DCA
1 stop7h 15m
United Airlines
Deal found 6/23$287
This CheapOair deal was found by Cheapflights users on 6/21. 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 8/136:00 pm
DCA
-
FSD
1 stop26h 23m
Frontier
Mon 8/178:08 pm
FSD
-
DCA
1 stop24h 51m
Frontier
Deal found 6/21$292
This American Airlines deal was found by Cheapflights users on 6/23. 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 7/296:18 am
DCA
-
RAP
1 stop6h 59m
American Airlines
Wed 8/53:21 pm
RAP
-
DCA
1 stop6h 38m
American Airlines
Deal found 6/23$300

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 June 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$229
(Frontier)

One-way from

$125
(Priceline)

Popular in

May

Cheapest in

November

Average price

$399
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. 10% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 24, 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.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Fri 9/18

7:10 pm-11:12 pm

1 stop5h 02m

Sioux Falls Joe Foss Field

Sun 9/20

7:40 am-2:23 pm

1 stop5h 43m

$319

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Mon 10/12

6:10 am-11:12 am

1 stop7h 02m

Rapid City

Mon 10/19

4:00 pm-11:29 pm

1 stop5h 29m

$329

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Tue 7/21

6:00 am-10:18 am

1 stop6h 18m

Rapid City

Tue 7/28

6:48 am-6:59 pm

2 stops10h 11m

$347

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Tue 7/28

6:00 am-1:40 pm

2 stops9h 40m

Rapid City

Tue 8/4

6:48 am-6:43 pm

2 stops9h 55m

$352

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Sat 8/22

4:20 pm-8:37 pm

1 stop6h 17m

Rapid City

Wed 8/26

1:31 pm-9:09 pm

1 stop5h 38m

$361

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Thu 9/17

6:05 am-12:19 pm

1 stop7h 14m

Sioux Falls Joe Foss Field

Thu 9/24

5:30 am-12:45 pm

1 stop6h 15m

$370

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Sat 8/29

5:59 pm-11:22 pm

1 stop6h 23m

Sioux Falls Joe Foss Field

Tue 9/1

3:08 pm-10:52 pm

1 stop6h 44m

$409

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Thu 8/13

6:10 pm-11:22 pm

1 stop6h 12m

Sioux Falls Joe Foss Field

Tue 8/18

7:47 am-2:23 pm

1 stop5h 36m

$409
Quickest round-trip

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Fri 7/3

7:00 pm-11:12 pm

1 stop5h 12m

Sioux Falls Joe Foss Field

Tue 7/7

5:00 am-11:00 am

1 stop5h 00m

$429

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Fri 7/3

7:59 am-7:59 pm

2 stops13h 00m

Sioux Falls Joe Foss Field

Wed 7/8

8:23 am-1:48 pm

1 stop4h 25m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/23

Showing 1-10 of 43 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to South Dakota (average of $154). 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.

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 June 24, 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
7.8
Good
8,432 reviews

Food

7.2

Comfort

7.8

Boarding

8.1

Entertainment

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
8,432 reviews
Delta
7.8
Good
8,432 reviews

Food

7.2

Comfort

7.8

Boarding

8.1

Entertainment

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
9,881 reviews
Delta
7.8
Good
8,432 reviews

Food

7.2

Comfort

7.8

Boarding

8.1

Entertainment

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
11,751 reviews
Delta
7.8
Good
8,432 reviews

Food

7.2

Comfort

7.8

Boarding

8.1

Entertainment

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 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 5h 02m. United Airlines provides one of the quickest options available for as low as $319. 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?

    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, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to South Dakota (average of $154). 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

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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.
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Baltimore to Tampa flights
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Baltimore to Midway flights
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Reagan-National to Minneapolis flights
Reagan-National to Tampa flights
Reagan-National to Nashville flights
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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 June 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$417FlexibilityNo cancel feeOn-time69%
DeltaCheapest$270Average$426FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$278Average$581FlexibilityNo cancel feeOn-time71%

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