Cheap flights from Washington, D.C. Reagan-National Airport to South Dakota from $148

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to South Dakota departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. Reagan-National Airport to South Dakota

Cheap round-trip flights

United Airlines Logo
5:00 pm - 10:22 pmDCA-FSD
6h 22m1 stop
United Airlines Logo
8:00 am - 2:01 pmFSD-DCA
5h 01m1 stop
$259United Airlines
Find Deal
Wed, Oct 1 - Sat, Oct 4
Delta Logo
6:10 am - 10:07 amDCA-FSD
4h 57m1 stop
Delta Logo
5:20 am - 2:25 pmFSD-DCA
8h 05m2 stops
$264Delta
Find Deal
Sat, Oct 4 - Sat, Oct 11
Delta Logo
6:10 am - 10:05 amDCA-RAP
5h 55m1 stop
Delta Logo
6:20 am - 2:02 pmRAP-DCA
5h 42m1 stop
$269Delta
Find Deal
Mon, Jan 19 - Sat, Jan 24
Delta Logo
12:59 pm - 7:18 pmDCA-FSD
7h 19m2 stops
Delta Logo
1:20 pm - 10:56 pmFSD-DCA
8h 36m2 stops
$269Delta
Find Deal
Sat, Feb 21 - Tue, Feb 24
Delta Logo
6:10 am - 10:05 amDCA-RAP
5h 55m1 stop
Delta Logo
6:20 am - 4:59 pmRAP-DCA
8h 39m2 stops
$274Delta
Find Deal
Mon, Jan 19 - Sat, Jan 24
Frontier Logo
7:00 am - 2:09 pmDCA-FSD
8h 09m1 stop
Frontier Logo
2:54 pm - 4:59 pmFSD-DCA
25h 05m1 stop
$295Frontier
Find Deal
Fri, Sep 5 - Mon, Sep 8
Frontier Logo
7:00 am - 2:24 pmDCA-FSD
8h 24m1 stop
Frontier Logo
7:28 pm - 5:04 pmFSD-DCA
20h 36m1 stop
$301Frontier
Find Deal
Thu, Oct 16 - Mon, Oct 20
American Airlines Logo
6:30 am - 11:48 amDCA-FSD
6h 18m1 stop
American Airlines Logo
1:19 pm - 11:00 pmFSD-DCA
8h 41m1 stop
$319American Airlines
Find Deal
Thu, Oct 2 - Sat, Oct 4
American Airlines Logo
1:33 pm - 8:51 pmDCA-RAP
9h 18m1 stop
American Airlines Logo
3:40 pm - 11:23 pmRAP-DCA
5h 43m1 stop
$327American Airlines
Find Deal
Sun, Sep 21 - Sat, Sep 27
United Airlines Logo
6:00 pm - 9:50 pmDCA-FSD
4h 50m1 stop
United Airlines Logo
6:08 pm - 11:59 pmFSD-DCA
4h 51m1 stop
$339United Airlines
Find Deal
Fri, Dec 5 - Mon, Dec 8

Delta flights from Washington, D.C. Reagan-National Airport to South Dakota

Our best Delta deals on Washington, D.C. Reagan-National Airport to South Dakota flight tickets
Delta
Oct 4
DCA6:10 amWashington, D.C. Reagan-National
4h 57m
1 stop
FSD10:07 amSioux Falls Joe Foss Field
Oct 11
FSD5:20 amSioux Falls Joe Foss Field
8h 05m
2 stops
DCA2:25 pmWashington, D.C. Reagan-National
Delta
Feb 21
DCA12:59 pmWashington, D.C. Reagan-National
7h 19m
2 stops
FSD7:18 pmSioux Falls Joe Foss Field
Feb 24
FSD1:20 pmSioux Falls Joe Foss Field
8h 36m
2 stops
DCA10:56 pmWashington, D.C. Reagan-National
Delta
Jan 19
DCA6:10 amWashington, D.C. Reagan-National
5h 55m
1 stop
RAP10:05 amRapid City
Jan 24
RAP6:20 amRapid City
8h 39m
2 stops
DCA4:59 pmWashington, D.C. Reagan-National

United Airlines flights from Washington, D.C. Reagan-National Airport to South Dakota

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to South Dakota flight tickets
United Airlines
Oct 1
DCA5:00 pmWashington, D.C. Reagan-National
6h 22m
1 stop
FSD10:22 pmSioux Falls Joe Foss Field
Oct 4
FSD8:00 amSioux Falls Joe Foss Field
5h 01m
1 stop
DCA2:01 pmWashington, D.C. Reagan-National
United Airlines
Dec 5
DCA6:00 pmWashington, D.C. Reagan-National
4h 50m
1 stop
FSD9:50 pmSioux Falls Joe Foss Field
Dec 8
FSD6:08 pmSioux Falls Joe Foss Field
4h 51m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
United Airlines
Oct 18
DCA6:25 amWashington, D.C. Reagan-National
5h 48m
1 stop
RAP10:13 amRapid City
Oct 20
RAP1:44 pmRapid City
6h 59m
1 stop
DCA10:43 pmWashington, D.C. Reagan-National

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated August 25, 2025.
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

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Wed 10/1

5:00 pm-10:22 pm

1 stop6h 22m

Sioux Falls Joe Foss Field

Sat 10/4

8:00 am-2:01 pm

1 stop5h 01m

$259

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Sat 10/4

6:10 am-10:07 am

1 stop4h 57m

Sioux Falls Joe Foss Field

Sat 10/11

5:20 am-2:25 pm

2 stops8h 05m

$264

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Mon 1/19

6:10 am-10:05 am

1 stop5h 55m

Rapid City

Sat 1/24

6:20 am-2:02 pm

1 stop5h 42m

$269

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Sat 2/21

12:59 pm-7:18 pm

2 stops7h 19m

Sioux Falls Joe Foss Field

Tue 2/24

1:20 pm-10:56 pm

2 stops8h 36m

$269

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Mon 1/19

6:10 am-10:05 am

1 stop5h 55m

Rapid City

Sat 1/24

6:20 am-4:59 pm

2 stops8h 39m

$274

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Fri 9/5

7:00 am-2:09 pm

1 stop8h 09m

Sioux Falls Joe Foss Field

Mon 9/8

2:54 pm-4:59 pm

1 stop25h 05m

$295

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Thu 10/16

7:00 am-2:24 pm

1 stop8h 24m

Sioux Falls Joe Foss Field

Mon 10/20

7:28 pm-5:04 pm

1 stop20h 36m

$301

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Thu 10/2

6:30 am-11:48 am

1 stop6h 18m

Sioux Falls Joe Foss Field

Sat 10/4

1:19 pm-11:00 pm

1 stop8h 41m

$319

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Sun 9/21

1:33 pm-8:51 pm

1 stop9h 18m

Rapid City

Sat 9/27

3:40 pm-11:23 pm

1 stop5h 43m

$327

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Fri 12/5

6:00 pm-9:50 pm

1 stop4h 50m

Sioux Falls Joe Foss Field

Mon 12/8

6:08 pm-11:59 pm

1 stop4h 51m

$339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to South Dakota from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to South Dakota

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to South Dakota?

The month of November is, on average, the cheapest month to fly to South Dakota from Washington, D.C. Reagan-National Airport, with most prices found around $260. If you aren’t able to travel to South Dakota during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $283.

What is the cheapest day to depart on your flight to South Dakota?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to South Dakota is on a Wednesday. Travelers who choose to depart for South Dakota on a Wednesday will often find tickets for as low as $382. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $649. These prices are subject to change though, so be sure to set up a Price Alert for flights to South Dakota.

What is the cheapest time of day to depart on your flight to South Dakota?

The cheapest time of day to fly to South Dakota is in the evening when flights can be purchased for as low as $332. In the afternoon is when there is more demand to fly to South Dakota, so prices are often more expensive at around $433 per ticket.

Cheap Washington, D.C. Reagan-National Airport to South Dakota flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to South Dakota

Direct flights

None
There are no direct flights from Washington, D.C. Reagan-National Airport to South Dakota. There are no popular flight routes from Washington, D.C. Reagan-National Airport to South Dakota.
  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to South Dakota?

    Prices for flights from Washington, D.C. Reagan-National Airport to South Dakota are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to South Dakota?

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to South Dakota?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to South Dakota.

  • What documentation or ID do you need to fly to South Dakota?

    The required travel and health documents for your South Dakota trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at South Dakota. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Washington, D.C. Reagan-National Airport to South Dakota

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to South Dakota with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $108Free CancellationRating
5.8
3,201 reviews
Search Frontier flights
DeltaPriceFrom $248Free CancellationRating
7.9
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $258Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $373Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to South Dakota?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to South Dakota. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to South Dakota with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to South Dakota from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to South Dakota?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to South Dakota from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to South Dakota right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to South Dakota flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your South Dakota trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/30
Sat 9/6

Find better results for your trip to South Dakota

Popular cities in South Dakota

Popular flights according to clicks in the last 7 days on momondo