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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $129. Users have also found prices from $176 and $178 on Delta and American Airlines, respectively.

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

The most popular route from Washington, D.C. to South Dakota is Washington, D.C. Dulles Intl - Rapid City. You may also consider Baltimore/Washington - Rapid City or Washington, D.C. Reagan-National - Sioux Falls Joe Foss Field.

How far in advance should I book a flight from Washington, D.C. to South Dakota?

To save on the cost of your flight from Washington, D.C. to South Dakota, book at least 46 days before your planned departure. Booking around this time can save you about 155% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $299 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $378.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to South Dakota. Flights to South Dakota from Washington, D.C. in February are about $395 on average during February, but can be found for as low as $240.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$129+ Flights from Washington, D.C. to South Dakota

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$199 (American Airlines)
One-way from	$129 (Frontier)
Popular in	December
Cheapest in	February
Average price	$333

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.

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($42 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).

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Average for round-trip flights in March 2025

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

Cheapest flights from Washington, D.C. to South Dakota
Explore the most affordable flight options available from Washington, D.C. to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Sat 5/36:14 pmBWI - FSD

1 stop5h 26mAmerican Airlines

Wed 5/74:10 pmFSD - BWI

1 stop4h 55mAmerican Airlines

Deal found 3/27

$199

Sat 5/36:00 amBWI - FSD

1 stop6h 44mDelta

Wed 5/75:00 amFSD - BWI

2 stops9h 42mDelta

Deal found 3/27

$242

Fri 4/187:00 amDCA - FSD

1 stop7h 36mFrontier

Mon 4/212:36 pmFSD - DCA

1 stop20h 33mFrontier

Deal found 3/27

$260

Fri 8/226:17 amBWI - RAP

1 stop6h 17mUnited Airlines

Mon 8/253:21 pmRAP - BWI

1 stop5h 39mUnited Airlines

Deal found 3/27

$269

Sat 4/262:04 pmBWI - RAP

2 stops10h 26mDelta

Sat 5/311:44 amRAP - BWI

2 stops10h 57mDelta

Deal found 3/27

$304

Sat 7/58:10 amBWI - RAP

1 stop6h 53mAmerican Airlines

Sat 7/122:50 pmRAP - BWI

1 stop6h 27mAmerican Airlines

Deal found 3/27

$314

Tue 5/65:18 pmBWI - FSD

1 stop5h 54mUnited Airlines

Thu 5/81:50 pmFSD - BWI

1 stop8h 27mUnited Airlines

Deal found 3/27

$328

Tue 9/97:40 amDCA - RAP

1 stop7h 52mDelta

Thu 9/112:20 pmRAP - DCA

1 stop7h 08mDelta

Deal found 3/27

$330

Thu 9/411:30 amIAD - RAP

1 stop6h 35mAmerican Airlines

Tue 9/95:57 amRAP - IAD

1 stop8h 21mAmerican Airlines

Deal found 3/27

$360

Mon 9/84:07 pmDCA - RAP

1 stop7h 48mUnited Airlines

Sat 9/137:05 amRAP - DCA

1 stop5h 51mUnited Airlines

Deal found 3/27

$376

Sat 8/306:25 amDCA - FSD

1 stop5h 12mUnited Airlines

Sat 9/611:12 amFSD - DCA

1 stop4h 49mUnited Airlines

Deal found 3/26

$377

Sat 8/306:30 amIAD - FSD

1 stop5h 07mUnited Airlines

Sat 9/68:00 amFSD - IAD

1 stop4h 49mUnited Airlines

Deal found 3/26

$377

Best flights from Washington, D.C. to South Dakota
Discover carefully curated flight deals from Washington, D.C. to South Dakota that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Sat 5/36:14 pmBWI - FSD

1 stop5h 26mAmerican Airlines

Wed 5/74:10 pmFSD - BWI

1 stop4h 55mAmerican Airlines

Deal found 3/27

$199

Sat 5/36:00 amBWI - FSD

1 stop6h 44mDelta

Wed 5/75:00 amFSD - BWI

2 stops9h 42mDelta

Deal found 3/27

$242

Fri 4/187:00 amDCA - FSD

1 stop7h 36mFrontier

Mon 4/212:36 pmFSD - DCA

1 stop20h 33mFrontier

Deal found 3/27

$260

Fri 8/226:17 amBWI - RAP

1 stop6h 17mUnited Airlines

Mon 8/253:21 pmRAP - BWI

1 stop5h 39mUnited Airlines

Deal found 3/27

$269

Thu 5/16:10 amBWI - RAP

2 stops12h 40mMultiple Airlines

Sun 5/45:40 pmRAP - BWI

3 stops37h 19mMultiple Airlines

Deal found 3/27

$394

Sat 4/262:04 pmBWI - RAP

2 stops10h 26mDelta

Sat 5/311:44 amRAP - BWI

2 stops10h 57mDelta

Deal found 3/27

$304

Sat 7/58:10 amBWI - RAP

1 stop6h 53mAmerican Airlines

Sat 7/122:50 pmRAP - BWI

1 stop6h 27mAmerican Airlines

Deal found 3/27

$314

Tue 5/65:18 pmBWI - FSD

1 stop5h 54mUnited Airlines

Thu 5/81:50 pmFSD - BWI

1 stop8h 27mUnited Airlines

Deal found 3/27

$328

Tue 9/97:40 amDCA - RAP

1 stop7h 52mDelta

Thu 9/112:20 pmRAP - DCA

1 stop7h 08mDelta

Deal found 3/27

$330

Fri 7/47:00 amDCA - RAP

1 stop9h 38mAmerican Airlines

Tue 7/84:38 pmRAP - DCA

1 stop6h 11mAmerican Airlines

Deal found 3/26

$341

Mon 9/84:07 pmDCA - RAP

1 stop7h 48mUnited Airlines

Sat 9/137:05 amRAP - DCA

1 stop5h 51mUnited Airlines

Deal found 3/27

$376

Thu 9/411:30 amIAD - RAP

1 stop6h 35mAmerican Airlines

Tue 9/95:57 amRAP - IAD

1 stop8h 21mAmerican Airlines

Deal found 3/28

$360

Last-minute flights from Washington, D.C. to South Dakota
Discover last-minute flight deals from Washington, D.C. to South Dakota. Data last updated March 28, 2025 and is based on user searches.

Fri 3/286:07 pmBWI - FSD

1 stop5h 31mAmerican Airlines

Sun 3/305:15 amFSD - BWI

1 stop5h 03mAmerican Airlines

Deal found 3/28

$389

Sat 3/296:45 amBWI - FSD

2 stops10h 29mUnited Airlines

Mon 3/313:15 pmFSD - BWI

1 stop5h 27mUnited Airlines

Deal found 3/27

$394

Tue 4/112:00 pmDCA - FSD

1 stop7h 06mDelta

Sat 4/54:23 pmFSD - DCA

1 stop6h 28mDelta

Deal found 3/26

$661

Tue 4/15:14 pmIAD - FSD

1 stop7h 08mDelta

Sat 4/55:00 amFSD - IAD

1 stop6h 59mDelta

Deal found 3/27

$661

Fri 4/46:55 pmBWI - FSD

1 stop6h 04mDelta

Tue 4/85:00 amFSD - BWI

1 stop7h 05mDelta

Deal found 3/28

$360

Fri 4/46:00 amBWI - RAP

1 stop7h 04mDelta

Sun 4/66:00 amRAP - BWI

1 stop5h 50mDelta

Deal found 3/26

$379

Fri 4/43:22 pmBWI - RAP

1 stop7h 15mAmerican Airlines

Sun 4/65:36 amRAP - BWI

2 stops9h 27mAmerican Airlines

Deal found 3/26

$475

Fri 4/46:09 amIAD - RAP

1 stop6h 55mDelta

Sun 4/66:00 amRAP - IAD

1 stop4h 53mDelta

Deal found 3/26

$621

Fri 4/410:35 pmIAD - FSD

2 stops13h 04mUnited Airlines

Tue 4/83:15 pmFSD - IAD

1 stop4h 46mUnited Airlines

Deal found 3/27

$621

Fri 4/45:00 pmDCA - FSD

1 stop6h 12mUnited Airlines

Tue 4/811:14 amFSD - DCA

1 stop4h 46mUnited Airlines

Deal found 3/26

$631

Fri 4/46:14 pmBWI - FSD

1 stop5h 26mAmerican Airlines

Mon 4/71:22 pmFSD - BWI

2 stops7h 57mAmerican Airlines

Deal found 3/27

$646

Fri 4/46:15 amBWI - RAP

2 stops10h 42mUnited Airlines

Sun 4/65:55 pmRAP - BWI

2 stops13h 59mUnited Airlines

Deal found 3/26

$663

One-way flights from Washington, D.C. to South Dakota
Search for one-way flight options from Washington, D.C. to South Dakota. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Mon 6/97:00 amDCA - FSD

1 stop8h 58mFrontier

Deal found 3/27

$129

Sat 4/56:00 amBWI - FSD

1 stop5h 07mDelta

Deal found 3/27

$176

Sun 8/3110:00 amDCA - RAP

1 stop8h 02mAmerican Airlines

Deal found 3/27

$178

Sun 8/316:15 amIAD - RAP

1 stop5h 37mDelta

Deal found 3/27

$178

Mon 5/57:26 amBWI - RAP

1 stop5h 53mAmerican Airlines

Deal found 3/27

$180

Sun 8/316:00 amDCA - RAP

2 stops12h 04mDelta

Deal found 3/27

$183

Mon 5/56:18 amIAD - RAP

1 stop7h 41mAmerican Airlines

Deal found 3/28

$208

Sat 6/2110:20 amDCA - FSD

1 stop8h 00mAmerican Airlines

Deal found 3/27

$220

Sun 5/116:45 amBWI - RAP

1 stop6h 15mUnited Airlines

Deal found 3/27

$220

Thu 5/158:25 amIAD - FSD

3 stops25h 43mMultiple Airlines

Deal found 3/27

$231

Sat 6/211:08 pmIAD - FSD

2 stops10h 42mAmerican Airlines

Deal found 3/27

$245

Sat 4/55:07 pmIAD - FSD

1 stop7h 09mDelta

Deal found 3/27

$248

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Sat 5/3

6:14 pm-10:40 pm

1 stop5h 26m

Sioux Falls Joe Foss Field

Wed 5/7

4:10 pm-10:05 pm

1 stop4h 55m

$199

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Sat 5/3

6:00 am-11:44 am

1 stop6h 44m

Sioux Falls Joe Foss Field

Wed 5/7

5:00 am-3:42 pm

2 stops9h 42m

$242

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Fri 4/18

7:00 am-1:36 pm

1 stop7h 36m

Sioux Falls Joe Foss Field

Mon 4/21

2:36 pm-12:09 pm

1 stop20h 33m

$260

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Fri 8/22

6:17 am-10:34 am

1 stop6h 17m

Rapid City

Mon 8/25

3:21 pm-11:00 pm

1 stop5h 39m

$269

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Sat 4/26

2:04 pm-10:30 pm

2 stops10h 26m

Rapid City

Sat 5/3

11:44 am-12:41 am

2 stops10h 57m

$304

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Sat 7/5

8:10 am-1:03 pm

1 stop6h 53m

Rapid City

Sat 7/12

2:50 pm-11:17 pm

1 stop6h 27m

$314

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Tue 5/6

5:18 pm-10:12 pm

1 stop5h 54m

Sioux Falls Joe Foss Field

Thu 5/8

1:50 pm-11:17 pm

1 stop8h 27m

$328

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Tue 9/9

7:40 am-1:32 pm

1 stop7h 52m

Rapid City

Thu 9/11

2:20 pm-11:28 pm

1 stop7h 08m

$330

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Thu 9/4

11:30 am-4:05 pm

1 stop6h 35m

Rapid City

Tue 9/9

5:57 am-4:18 pm

1 stop8h 21m

$360

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Mon 9/8

4:07 pm-9:55 pm

1 stop7h 48m

Rapid City

Sat 9/13

7:05 am-2:56 pm

1 stop5h 51m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 48 results

...

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

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

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to South Dakota (average of $334). Flying from Washington, D.C. to South Dakota in December is currently the most expensive (average of $446). 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 WAS to SD?

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

Rainfall in South Dakota by month

In terms of precipitation, rainfall in South Dakota ranges from 0.6 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit South Dakota when rainfall is around 0.6 in.

Temperature in South Dakota by month

If weather is an important factor for your trip to South Dakota, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing South Dakota

To help decide which airline to fly from Washington, D.C. to South Dakota, see what other customers have to say about Alaska Airlines, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,798 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,798 reviews

Alaska Airlines

8.0

Very good

9,798 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,897 reviews

Alaska Airlines

8.0

Very good

9,798 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,603 reviews

Alaska Airlines

8.0

Very good

9,798 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,798 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Frontier

6.0

Okay

3,271 reviews

Alaska Airlines

8.0

Very good

9,798 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. to South Dakota one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $129. Users have also found prices from $176 and $178 on Delta and American Airlines, respectively.
What are the most popular routes from Washington, D.C. to South Dakota?
The most popular route from Washington, D.C. to South Dakota is Washington, D.C. Dulles Intl - Rapid City. You may also consider Baltimore/Washington - Rapid City or Washington, D.C. Reagan-National - Sioux Falls Joe Foss Field.
Can I find deals for flights from Washington, D.C. to South Dakota that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to South Dakota flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to South Dakota?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to South Dakota.
Can I find deals for business class flights from Washington, D.C. to South Dakota?
Yes. Cheapflights offers flight deals from Washington, D.C. 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. to South Dakota?
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to South Dakota (average of $334). Flying from Washington, D.C. to South Dakota in December is currently the most expensive (average of $446). 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 Washington, D.C. to South Dakota

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Washington, D.C. to South Dakota flights

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Top 4 airlines flying from Washington, D.C. to South Dakota

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$108	Average$288	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$208	Average$471	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$243	Average$456	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$268	Average$504	FlexibilityNo cancel fee	On-time69%

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$129+ Cheap flights from Washington, D.C. (WAS) 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.

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

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

Keep the following information in mind while searching for Washington, D.C. to South Dakota flight deals. Data was last updated March 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Cheapest flights from Washington, D.C. to South DakotaExplore the most affordable flight options available from Washington, D.C. to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Explore the most affordable flight options available from Washington, D.C. to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Cheapflights Fare Finder

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

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

Have a flexible travel schedule? Discover the best time to fly to South Dakota from Washington, D.C. with our price prediction graph.

Cheapflights Insights

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

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

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

Find hourly flight availability from Washington, D.C. 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 March 28, 2025.

Rainfall in South Dakota by month

Plan your trip to South Dakota by taking into account the average rainfall totals by month.

Temperature in South Dakota by month

Plan your trip to South Dakota by taking into account the average temperature totals by month.

Reviews of airlines servicing South Dakota

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to South Dakota. 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 Washington, D.C. to South Dakota one-way?

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

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

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

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

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

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 Washington, D.C. to South Dakota

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

Top 4 airlines flying from Washington, D.C. to South Dakota

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Cheapest flights from Washington, D.C. to South Dakota
Explore the most affordable flight options available from Washington, D.C. to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.