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

$156 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $178 and $180, respectively.

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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.?

While some choose either Sioux Falls Joe Foss Field - Washington, D.C. Reagan-National or Sioux Falls Joe Foss Field - Baltimore/Washington, Sioux Falls Joe Foss Field - Washington, D.C. Dulles Intl is the most popular route from South Dakota to Washington, D.C..

What is the cheapest month to fly from South Dakota to Washington, D.C.?

Our data shows that November tends to be the cheapest month to fly to Washington, D.C. from South Dakota. Users have commonly found prices around $389 for the month, but tickets can be as low as $246. Due to multiple factors, prepare for potentially higher prices in February.

Can I find deals for flights from South Dakota to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on South Dakota to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from South Dakota to Washington, D.C.?

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

Can I find deals for business class flights from South Dakota to Washington, D.C.?

Yes. Cheapflights offers flight deals from South Dakota to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$156+ Flights from South Dakota to Washington, D.C.

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Cheap flight deals from South Dakota to Washington, D.C.

Round-trip from	$221 (Mytrip)
One-way from	$156 (FlightHub)
Popular in	February
Cheapest in	November
Average price	$273

From South Dakota to Washington, D.C. (WAS)

Search Deals

One-way flight from South Dakota to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 28% potential increase in price ($153 potential increase over avg. RT price).

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Cheapest flight prices on average. 7% potential price decrease ($27 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from South Dakota to Washington, D.C.

Cheapest flights from South Dakota to Washington, D.C.
Explore the most affordable flight options available from South Dakota to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Fri 7/258:06 pmFSD - BWI

1 stop11h 38mMultiple Airlines

Mon 7/289:39 amBWI - FSD

1 stop10h 37mMultiple Airlines

Deal found 7/2

$221

Thu 9/251:21 pmFSD - IAD

1 stop8h 27mAmerican Airlines

Tue 9/306:25 amIAD - FSD

1 stop7h 13mAmerican Airlines

Deal found 7/2

$259

Wed 8/201:28 pmFSD - BWI

1 stop8h 34mAmerican Airlines

Tue 9/21:38 pmBWI - FSD

1 stop8h 25mAmerican Airlines

Deal found 7/2

$259

Thu 8/75:15 pmFSD - DCA

1 stop6h 50mAmerican Airlines

Thu 8/149:29 amDCA - FSD

1 stop8h 06mAmerican Airlines

Deal found 7/2

$259

Wed 8/205:00 amFSD - IAD

1 stop5h 20mDelta

Tue 9/26:00 amIAD - FSD

2 stops8h 50mDelta

Deal found 7/1

$264

Fri 8/155:00 amFSD - DCA

2 stops11h 20mDelta

Fri 8/226:20 pmDCA - FSD

1 stop5h 46mDelta

Deal found 7/3

$264

Thu 8/142:25 pmRAP - IAD

1 stop7h 13mDelta

Mon 8/186:50 pmIAD - RAP

1 stop5h 42mDelta

Deal found 7/3

$269

Tue 7/226:50 amRAP - DCA

1 stop5h 08mDelta

Tue 7/293:40 pmDCA - RAP

2 stops8h 51mDelta

Deal found 7/2

$274

Wed 8/201:35 pmRAP - BWI

1 stop6h 07mUnited Airlines

Sun 8/246:15 amBWI - RAP

1 stop6h 07mUnited Airlines

Deal found 7/2

$285

Fri 7/186:49 pmFSD - BWI

1 stop9h 21mUnited Airlines

Tue 7/225:20 pmBWI - FSD

1 stop5h 40mUnited Airlines

Deal found 7/3

$289

Sun 8/242:08 pmFSD - DCA

1 stop21h 03mFrontier

Wed 8/271:00 pmDCA - FSD

1 stop25h 23mFrontier

Deal found 7/2

$290

Fri 10/32:27 pmRAP - BWI

1 stop7h 22mDelta

Mon 10/66:15 pmBWI - RAP

1 stop5h 55mDelta

Deal found 7/2

$294

Best flights from South Dakota to Washington, D.C.
Discover carefully curated flight deals from South Dakota to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Fri 7/258:06 pmFSD - BWI

1 stop11h 38mMultiple Airlines

Mon 7/289:39 amBWI - FSD

1 stop10h 37mMultiple Airlines

Deal found 7/2

$221

Thu 9/257:00 amFSD - IAD

1 stop8h 50mAmerican Airlines

Sun 9/286:25 amIAD - FSD

1 stop7h 14mAmerican Airlines

Deal found 7/2

$259

Wed 8/205:00 amFSD - IAD

1 stop5h 20mDelta

Tue 9/26:00 amIAD - FSD

2 stops8h 50mDelta

Deal found 7/1

$264

Wed 8/201:35 pmRAP - BWI

1 stop6h 07mUnited Airlines

Sun 8/246:15 amBWI - RAP

1 stop6h 07mUnited Airlines

Deal found 7/2

$285

Sun 8/242:08 pmFSD - DCA

1 stop21h 03mFrontier

Wed 8/271:00 pmDCA - FSD

1 stop25h 23mFrontier

Deal found 7/2

$290

Wed 8/201:28 pmFSD - BWI

1 stop8h 34mAmerican Airlines

Tue 9/21:38 pmBWI - FSD

1 stop8h 25mAmerican Airlines

Deal found 7/2

$259

Fri 8/155:00 amFSD - DCA

2 stops11h 20mDelta

Fri 8/226:20 pmDCA - FSD

1 stop5h 46mDelta

Deal found 7/3

$264

Thu 8/75:15 pmFSD - DCA

1 stop6h 50mAmerican Airlines

Thu 8/149:29 amDCA - FSD

1 stop8h 06mAmerican Airlines

Deal found 7/2

$259

Fri 7/186:49 pmFSD - BWI

1 stop9h 21mUnited Airlines

Tue 7/225:20 pmBWI - FSD

1 stop5h 40mUnited Airlines

Deal found 7/3

$289

Thu 8/142:25 pmRAP - IAD

1 stop7h 13mDelta

Mon 8/186:50 pmIAD - RAP

1 stop5h 42mDelta

Deal found 7/3

$269

Fri 7/187:32 pmFSD - BWI

1 stop19h 59mFrontier

Tue 7/227:20 amBWI - FSD

2 stops36h 34mFrontier

Deal found 7/3

$306

Tue 7/226:50 amRAP - DCA

1 stop5h 08mDelta

Tue 7/293:40 pmDCA - RAP

2 stops8h 51mDelta

Deal found 7/2

$274

Last-minute flights from South Dakota to Washington, D.C.
Discover last-minute flight deals from South Dakota to Washington, D.C.. Data last updated July 3, 2025 and is based on user searches.

Wed 7/97:48 pmFSD - DCA

1 stop20h 11mFrontier

Sun 7/137:00 amDCA - FSD

1 stop8h 02mFrontier

Deal found 7/2

$322

Wed 7/96:21 amFSD - DCA

1 stop8h 55mAmerican Airlines

Sun 7/137:00 amDCA - FSD

1 stop6h 03mAmerican Airlines

Deal found 7/3

$369

Wed 7/96:00 amFSD - DCA

2 stops8h 00mDelta

Sun 7/136:40 amDCA - FSD

1 stop6h 41mDelta

Deal found 7/2

$409

Wed 7/95:15 amFSD - IAD

1 stop5h 35mDelta

Sun 7/136:20 amIAD - FSD

1 stop7h 01mDelta

Deal found 7/1

$433

Wed 7/96:21 amFSD - IAD

2 stops9h 48mAmerican Airlines

Sun 7/136:27 amIAD - FSD

1 stop7h 19mAmerican Airlines

Deal found 7/3

$475

Thu 7/105:30 amRAP - DCA

1 stop7h 35mUnited Airlines

Tue 7/156:00 pmDCA - RAP

1 stop5h 46mUnited Airlines

Deal found 7/1

$349

Thu 7/106:30 amRAP - IAD

1 stop5h 19mUnited Airlines

Tue 7/153:39 pmIAD - RAP

1 stop8h 07mUnited Airlines

Deal found 7/1

$349

Thu 7/106:50 amRAP - DCA

2 stops10h 06mDelta

Tue 7/157:50 amDCA - RAP

1 stop7h 55mDelta

Deal found 7/1

$354

Thu 7/1012:38 pmRAP - BWI

1 stop8h 39mUnited Airlines

Tue 7/154:20 pmBWI - RAP

1 stop7h 41mUnited Airlines

Deal found 7/1

$374

Thu 7/1011:19 amRAP - BWI

1 stop7h 35mAmerican Airlines

Mon 7/141:33 pmBWI - RAP

1 stop9h 33mAmerican Airlines

Deal found 7/3

$511

Fri 7/113:16 pmFSD - BWI

2 stops8h 38mDelta

Sun 7/136:00 amBWI - FSD

1 stop7h 21mDelta

Deal found 7/1

$419

Fri 7/116:21 amFSD - BWI

2 stops9h 57mAmerican Airlines

Sun 7/135:00 amBWI - FSD

2 stops8h 46mAmerican Airlines

Deal found 7/1

$476

One-way flights from South Dakota to Washington, D.C.
Search for one-way flight options from South Dakota to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Mon 7/287:32 pmFSD - DCA

1 stop15h 32mFrontier

Deal found 7/3

$156

Thu 9/46:25 amRAP - DCA

1 stop5h 30mDelta

Deal found 7/3

$178

Tue 7/296:30 amRAP - BWI

1 stop5h 18mUnited Airlines

Deal found 7/1

$180

Sat 11/85:36 amFSD - IAD

2 stops17h 21mAmerican Airlines

Deal found 7/3

$197

Tue 9/212:50 pmRAP - DCA

1 stop7h 25mAmerican Airlines

Deal found 7/2

$207

Sat 9/611:18 amRAP - IAD

1 stop5h 55mUnited Airlines

Deal found 7/2

$208

Sat 11/85:25 amFSD - IAD

1 stop7h 32mDelta

Deal found 7/3

$235

Sat 11/810:58 amFSD - DCA

1 stop6h 02mDelta

Deal found 7/3

$235

Wed 7/165:36 amRAP - BWI

2 stops10h 30mAmerican Airlines

Deal found 7/2

$241

Sat 8/309:16 amFSD - BWI

1 stop8h 56mUnited Airlines

Deal found 7/2

$242

Sat 8/306:11 pmFSD - IAD

2 stops12h 24mUnited Airlines

Deal found 7/2

$250

Sat 8/306:00 amFSD - DCA

1 stop7h 32mAmerican Airlines

Deal found 7/2

$271

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsBaltimore

FSD - BWI

FSDBWI

Sioux Falls Joe Foss Field

Fri 7/25

8:06 pm-8:44 am

1 stop11h 38m

Baltimore/Washington

Mon 7/28

9:39 am-7:16 pm

1 stop10h 37m

$221

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Thu 9/25

1:21 pm-10:48 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

Tue 9/30

6:25 am-12:38 pm

1 stop7h 13m

$259

Sioux FallsBaltimore

FSD - BWI

FSDBWI

Sioux Falls Joe Foss Field

Wed 8/20

1:28 pm-11:02 pm

1 stop8h 34m

Baltimore/Washington

Tue 9/2

1:38 pm-9:03 pm

1 stop8h 25m

$259

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Thu 8/7

6:03 pm-11:50 pm

1 stop4h 47m

Washington, D.C. Reagan-National

Thu 8/14

9:29 am-4:35 pm

1 stop8h 06m

$259

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 8/20

5:00 am-11:20 am

1 stop5h 20m

Washington, D.C. Dulles Intl

Tue 9/2

6:00 am-1:50 pm

2 stops8h 50m

$264

Sioux FallsWashington, D.C.

FSD - DCA

FSDDCA

Sioux Falls Joe Foss Field

Fri 8/15

5:00 am-5:20 pm

2 stops11h 20m

Washington, D.C. Reagan-National

Fri 8/22

6:20 pm-11:06 pm

1 stop5h 46m

$264

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 8/14

2:25 pm-11:38 pm

1 stop7h 13m

Washington, D.C. Dulles Intl

Mon 8/18

6:50 pm-10:32 pm

1 stop5h 42m

$269

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Tue 7/22

6:50 am-1:58 pm

1 stop5h 08m

Washington, D.C. Reagan-National

Tue 7/29

3:40 pm-10:31 pm

2 stops8h 51m

$274

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Wed 8/20

1:35 pm-9:42 pm

1 stop6h 07m

Baltimore/Washington

Sun 8/24

6:15 am-10:22 am

1 stop6h 07m

$285

Sioux FallsBaltimore

FSD - BWI

FSDBWI

Sioux Falls Joe Foss Field

Fri 7/18

6:49 pm-5:10 am

1 stop9h 21m

Baltimore/Washington

Tue 7/22

5:20 pm-10:00 pm

1 stop5h 40m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 41 results

...

Best time to book a flight from South Dakota to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

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

Currently, August is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. (average of $309). Flying from South Dakota to Washington, D.C. in July is currently the most expensive (average of $345). 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 SD to WAS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Dakota to Washington, D.C. as you normally would.

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from South Dakota to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,970 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,845 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Frontier

5.9

Fair

3,284 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines to fly from South Dakota to Washington, D.C. one-way?
$156 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $178 and $180, respectively.
What are the most popular routes from South Dakota to Washington, D.C.?
While some choose either Sioux Falls Joe Foss Field - Washington, D.C. Reagan-National or Sioux Falls Joe Foss Field - Baltimore/Washington, Sioux Falls Joe Foss Field - Washington, D.C. Dulles Intl is the most popular route from South Dakota to Washington, D.C..
Can I find deals for flights from South Dakota to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on South Dakota to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Dakota to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Washington, D.C..
Can I find deals for business class flights from South Dakota to Washington, D.C.?
Yes. Cheapflights offers flight deals from South Dakota to Washington, D.C. 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.?
Currently, August is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. (average of $309). Flying from South Dakota to Washington, D.C. in July is currently the most expensive (average of $345). 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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Woodbridge

Alexandria

Tysons

Silver Spring

Fredericksburg

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Gaithersburg

Fairfax

Easton

Towson

Waldorf

Laurel

Falls Church

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Springfield

National Harbor

Manassas

Dundalk

Bowie

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from South Dakota to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$182	Average$405	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$216	Average$357	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$245	Average$536	FlexibilityNo cancel fee	On-time69%

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$156+ Cheap flights from South Dakota to Washington, D.C. (WAS)

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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Dakota to Washington, D.C. 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 Washington, D.C.

Keep the following information in mind while searching for South Dakota to Washington, D.C. flight deals. Data was last updated July 3, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from South Dakota to Washington, D.C.

Cheapest flights from South Dakota to Washington, D.C.Explore the most affordable flight options available from South Dakota to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from South Dakota to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from South Dakota to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

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

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

Find hourly flight availability from South Dakota to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from South Dakota to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from South Dakota to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

Can I find deals for flights from South Dakota to Washington, D.C. that include hotel bookings?

How can I find direct flights from South Dakota to Washington, D.C.?

Can I find deals for business class flights from South Dakota to Washington, D.C.?

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

Traveling to a place near South Dakota?

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Alternative routes for South Dakota to Washington, D.C.

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

Top 3 airlines flying from South Dakota to Washington, D.C.

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Cheapest flights from South Dakota to Washington, D.C.
Explore the most affordable flight options available from South Dakota to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.