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.

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).

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

While some choose either Rapid City - Washington, D.C. Reagan-National or Aberdeen - Washington, D.C. Reagan-National, Sioux Falls Joe Foss Field - Washington, D.C. Reagan-National is the most popular route from South Dakota to Washington, D.C. Reagan-National Airport.

What are the most popular airlines that fly from South Dakota to Washington, D.C. Reagan-National Airport?

The most popular airlines flying from South Dakota to Washington, D.C. Reagan-National Airport are Delta, United Airlines and American Airlines. Something to consider prior to booking your flight.

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

When flying from South Dakota to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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

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

Yes. Cheapflights offers flight deals from South Dakota 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.

$136+ Flights from South Dakota to Washington, D.C. Reagan-National Airport

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

Airfare is below average for this route at the moment. South Dakota to Washington, D.C. Reagan-National Airport flights typically cost between $298 and $418 in January. The cheapest round-trip price found within the last 3 days was $248 on American Airlines (Jan 15-Jan 22).

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from South Dakota to Reagan-National 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 South Dakota to Reagan-National

Cheapest flights from South Dakota to Reagan-National
Explore the most affordable flight options available from South Dakota to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 20, 2025.

Tue 12/231:25 pmFSD - DCA

1 stop7h 36mDelta

Sat 1/37:07 pmDCA - FSD

1 stop5h 01mDelta

Deal found 12/19

$364

Wed 12/241:25 pmFSD - DCA

1 stop7h 36mDelta

Fri 12/268:10 amDCA - FSD

1 stop5h 23mDelta

Deal found 12/20

$396

Wed 12/247:30 amFSD - DCA

1 stop5h 47mUnited Airlines

Fri 1/210:30 amDCA - FSD

1 stop4h 57mUnited Airlines

Deal found 12/20

$466

Wed 12/241:16 pmFSD - DCA

1 stop6h 54mAmerican Airlines

Fri 12/262:59 pmDCA - FSD

1 stop7h 18mAmerican Airlines

Deal found 12/20

$482

Best flights from South Dakota to Reagan-National
Discover carefully curated flight deals from South Dakota to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 20, 2025.

Thu 1/156:15 pmFSD - DCA

1 stop4h 44mAmerican Airlines

Thu 1/2212:44 pmDCA - FSD

1 stop6h 01mAmerican Airlines

Deal found 12/19

$248

Fri 3/277:43 amFSD - DCA

1 stop5h 30mUnited Airlines

Mon 3/303:30 pmDCA - FSD

1 stop7h 45mUnited Airlines

Deal found 12/20

$279

Fri 1/304:17 pmFSD - DCA

1 stop6h 09mDelta

Fri 2/62:32 pmDCA - FSD

2 stops9h 32mDelta

Deal found 12/19

$284

Fri 1/307:30 amFSD - DCA

1 stop5h 46mUnited Airlines

Fri 2/66:00 pmDCA - FSD

1 stop4h 50mUnited Airlines

Deal found 12/19

$279

Sat 1/246:00 amRAP - DCA

1 stop5h 59mDelta

Tue 1/276:59 pmDCA - RAP

1 stop5h 29mDelta

Deal found 12/17

$289

Fri 1/92:08 pmRAP - DCA

1 stop6h 52mAmerican Airlines

Mon 1/1212:44 pmDCA - RAP

2 stops10h 31mAmerican Airlines

Deal found 12/19

$294

Fri 1/95:10 amRAP - DCA

1 stop7h 49mUnited Airlines

Mon 1/124:11 pmDCA - RAP

1 stop6h 21mUnited Airlines

Deal found 12/19

$289

Fri 2/611:02 amFSD - DCA

1 stop6h 02mDelta

Fri 2/137:35 amDCA - FSD

1 stop5h 40mDelta

Deal found 12/20

$299

Wed 1/711:22 amFSD - DCA

1 stop4h 37mUnited Airlines

Wed 1/1412:00 pmDCA - FSD

1 stop6h 18mUnited Airlines

Deal found 12/19

$294

Fri 1/912:26 pmFSD - DCA

1 stop5h 18mAmerican Airlines

Sun 1/116:00 amDCA - FSD

1 stop6h 51mAmerican Airlines

Deal found 12/20

$334

Thu 1/155:00 amFSD - DCA

1 stop5h 00mDelta

Thu 1/226:05 amDCA - FSD

2 stops7h 17mDelta

Deal found 12/19

$344

Sat 1/247:00 amRAP - DCA

1 stop5h 59mUnited Airlines

Tue 1/274:11 pmDCA - RAP

1 stop8h 18mUnited Airlines

Deal found 12/17

$369

Wed 2/47:00 amRAP - DCA

1 stop5h 59mUnited Airlines

Sat 2/74:11 pmDCA - RAP

1 stop6h 21mUnited Airlines

Deal found 12/18

$369

Last-minute flights from South Dakota to Reagan-National
Discover last-minute flight deals from South Dakota to Reagan-National. Data last updated December 20, 2025 and is based on user searches.

Tue 12/231:25 pmFSD - DCA

1 stop7h 36mDelta

Sat 1/37:07 pmDCA - FSD

1 stop5h 01mDelta

Deal found 12/19

$364

Wed 12/241:25 pmFSD - DCA

1 stop7h 36mDelta

Fri 12/268:10 amDCA - FSD

1 stop5h 23mDelta

Deal found 12/20

$396

Sun 1/412:40 pmFSD - DCA

2 stops23h 21mMultiple Airlines

Thu 1/88:01 amDCA - FSD

1 stop11h 59mMultiple Airlines

Deal found 12/20

$398

Wed 1/711:22 amFSD - DCA

1 stop4h 37mUnited Airlines

Wed 1/1412:00 pmDCA - FSD

1 stop6h 18mUnited Airlines

Deal found 12/19

$294

Fri 1/95:10 amRAP - DCA

1 stop7h 49mUnited Airlines

Mon 1/124:11 pmDCA - RAP

1 stop6h 21mUnited Airlines

Deal found 12/19

$289

Fri 1/92:08 pmRAP - DCA

1 stop6h 52mAmerican Airlines

Mon 1/1212:44 pmDCA - RAP

2 stops10h 31mAmerican Airlines

Deal found 12/19

$294

Fri 1/912:26 pmFSD - DCA

1 stop5h 18mAmerican Airlines

Sun 1/116:00 amDCA - FSD

1 stop6h 51mAmerican Airlines

Deal found 12/20

$334

Thu 1/156:15 pmFSD - DCA

1 stop4h 44mAmerican Airlines

Thu 1/2212:44 pmDCA - FSD

1 stop6h 01mAmerican Airlines

Deal found 12/19

$248

Thu 1/155:00 amFSD - DCA

1 stop5h 00mDelta

Thu 1/226:05 amDCA - FSD

2 stops7h 17mDelta

Deal found 12/19

$344

Sat 1/2410:54 amRAP - DCA

2 stops10h 38mDelta

Tue 1/279:54 amDCA - RAP

2 stops7h 31mDelta

Deal found 12/17

$299

Sat 1/247:00 amRAP - DCA

1 stop5h 59mUnited Airlines

Tue 1/274:11 pmDCA - RAP

1 stop8h 18mUnited Airlines

Deal found 12/17

$369

Fri 1/304:17 pmFSD - DCA

1 stop6h 09mDelta

Fri 2/62:32 pmDCA - FSD

2 stops9h 32mDelta

Deal found 12/19

$284

One-way flights from South Dakota to Reagan-National
Search for one-way flight options from South Dakota to Reagan-National. Find affordable one-way fares based on user searches. Data last updated December 20, 2025.

Mon 1/199:33 pmFSD - DCA

2 stops38h 29mMultiple Airlines

Deal found 12/19

$136

Thu 1/810:10 pmRAP - DCA

3 stops45h 49mMultiple Airlines

Deal found 12/17

$140

Thu 1/86:00 amRAP - DCA

1 stop5h 38mDelta

Deal found 12/17

$216

Mon 1/197:30 amFSD - DCA

1 stop5h 46mUnited Airlines

Deal found 12/19

$281

Tue 1/66:00 amFSD - DCA

1 stop5h 44mAmerican Airlines

Deal found 12/18

$348

Tue 1/65:00 amFSD - DCA

2 stops7h 52mDelta

Deal found 12/18

$353

Tue 12/307:11 amFSD - DCA

1 stop4h 40mAmerican Airlines

Deal found 12/20

$388

Tue 12/305:30 amRAP - DCA

1 stop8h 52mAmerican Airlines

Deal found 12/17

$421

Tue 12/3010:40 amRAP - DCA

3 stops48h 21mMultiple Airlines

Deal found 12/17

$439

Tue 12/305:12 pmFSD - DCA

2 stops26h 47mUnited Airlines

Deal found 12/20

$495

Fri 1/25:30 amRAP - DCA

1 stop6h 23mAmerican Airlines

Deal found 12/19

$529

Fri 1/211:56 amRAP - DCA

2 stops8h 54mDelta

Deal found 12/19

$535

Find flight deals from South Dakota to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$248 (American Airlines)
One-way from	$136 (Kiwi.com)
Popular in	February
Cheapest in	January
Average price	$395

Provider with most accurate pricing for Sioux Falls Joe Foss Field-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Washington, D.C. (WAS) flights.

Search Deals

From South Dakota to Washington, D.C. Reagan-National

Search Deals

One-way flight from South Dakota to Washington, D.C. Reagan-National

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($103 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 10% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Dakota to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Thu 1/15

6:15 pm-11:59 pm

1 stop4h 44m

Washington, D.C. Reagan-National

Thu 1/22

12:44 pm-5:45 pm

1 stop6h 01m

$248

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Fri 3/27

7:43 am-2:13 pm

1 stop5h 30m

Washington, D.C. Reagan-National

Mon 3/30

3:30 pm-10:15 pm

1 stop7h 45m

$279

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Fri 1/30

7:30 am-2:16 pm

1 stop5h 46m

Washington, D.C. Reagan-National

Fri 2/6

6:00 pm-9:50 pm

1 stop4h 50m

$279

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Fri 1/30

4:17 pm-11:26 pm

1 stop6h 09m

Washington, D.C. Reagan-National

Fri 2/6

2:32 pm-11:04 pm

2 stops9h 32m

$284

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Sat 1/24

6:00 am-1:59 pm

1 stop5h 59m

Washington, D.C. Reagan-National

Tue 1/27

6:59 pm-10:28 pm

1 stop5h 29m

$289

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 1/9

5:10 am-2:59 pm

1 stop7h 49m

Washington, D.C. Reagan-National

Mon 1/12

4:11 pm-8:32 pm

1 stop6h 21m

$289

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 1/9

2:08 pm-11:00 pm

1 stop6h 52m

Washington, D.C. Reagan-National

Mon 1/12

12:44 pm-9:15 pm

2 stops10h 31m

$294

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Wed 1/7

11:22 am-4:59 pm

1 stop4h 37m

Washington, D.C. Reagan-National

Wed 1/14

12:00 pm-5:18 pm

1 stop6h 18m

$294

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Fri 2/6

11:02 am-6:04 pm

1 stop6h 02m

Washington, D.C. Reagan-National

Fri 2/13

7:35 am-12:15 pm

1 stop5h 40m

$299

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Fri 1/9

12:26 pm-6:44 pm

1 stop5h 18m

Washington, D.C. Reagan-National

Sun 1/11

6:00 am-11:51 am

1 stop6h 51m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 27 results

Best time to book a flight from South Dakota to Reagan-National

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

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

Currently, April is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. Reagan-National Airport (average of $226). Flying from South Dakota to Washington, D.C. Reagan-National Airport in May is currently the most expensive (average of $338). 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 South Dakota to Washington, D.C. Reagan-National Airport?

Related info for your journey

How long is the flight from South Dakota to Washington, D.C. Reagan-National Airport?
A quick flight from South Dakota to Washington, D.C. Reagan-National Airport can take about 4h 44m. American Airlines provides one of the quickest options available for as low as $248. The distance between South Dakota and Washington, D.C. Reagan-National Airport is about 1071 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines to fly from South Dakota to Washington, D.C. Reagan-National Airport one-way?
The cheapest airlines for a one-way flight from South Dakota to Washington, D.C. Reagan-National Airport are Frontier ($119), United Airlines ($186), and Delta ($229).
What are the most popular routes from South Dakota to Washington, D.C. Reagan-National Airport?
While some choose either Rapid City - Washington, D.C. Reagan-National or Aberdeen - Washington, D.C. Reagan-National, Sioux Falls Joe Foss Field - Washington, D.C. Reagan-National is the most popular route from South Dakota to Washington, D.C. Reagan-National Airport.
Can I find deals for flights from South Dakota to Reagan-National that include hotel bookings?
Yes. In addition to deals on South Dakota to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Dakota to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Reagan-National.
Can I find deals for business class flights from South Dakota to Reagan-National?
Yes. Cheapflights offers flight deals from South Dakota 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 South Dakota to Washington, D.C. Reagan-National Airport?
Currently, April is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. Reagan-National Airport (average of $226). Flying from South Dakota to Washington, D.C. Reagan-National Airport in May is currently the most expensive (average of $338). 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

Alexandria

Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Linthicum Heights

Rockville

Laurel

Towson

Manassas

National Harbor

Bowie

Largo

McLean

Clinton

Cordova

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from South Dakota to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$245	Average$445	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$258	Average$379	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$258	Average$409	FlexibilityNo cancel fee	On-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.

$136+ Cheap flights from South Dakota 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Dakota to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from South Dakota to Reagan-National

Cheapest flights from South Dakota to Reagan-NationalExplore the most affordable flight options available from South Dakota to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 20, 2025.

Explore the most affordable flight options available from South Dakota to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 20, 2025.

Find flight deals from South Dakota to Reagan-National

Keep the following information in mind while searching for South Dakota to Reagan-National flight deals. Data was last updated December 20, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Dakota to Washington, D.C. Reagan-National Airport that are best for you.

Best time to book a flight from South Dakota to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from South Dakota with our price prediction graph.

Cheapflights Insights

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

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

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

Related info for your journey

Find useful and relevant information for your journey from South Dakota to Reagan-National. 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 South Dakota to Washington, D.C. Reagan-National Airport?

What are the cheapest airlines to fly from South Dakota to Washington, D.C. Reagan-National Airport one-way?

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

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

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

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

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

Traveling to a place near Washington, D.C. Reagan-National Airport?

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 South Dakota to Reagan-National

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

Top 3 airlines flying from South Dakota to Reagan-National

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from South Dakota to Reagan-National
Explore the most affordable flight options available from South Dakota to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 20, 2025.