Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to South Dakota from $91

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 1/15. 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.
Search flight deals

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:01 am - 7:00 pm
DCA
-
FSD
11h 59m1 stop
Frontier Logo
8:26 pm - 1:01 pm
FSD
-
DCA
15h 35m1 stop
$191Frontier
jue., ene. 8 - dom., ene. 11
Multiple Airlines Logo
6:00 pm - 9:57 am
DCA
-
FSD
16h 57m2 stops
Multiple Airlines Logo
8:26 pm - 4:59 pm
FSD
-
DCA
19h 33m1 stop
$246Multiple Airlines
jue., ene. 8 - dom., ene. 11
Multiple Airlines Logo
6:00 pm - 9:57 am
DCA
-
FSD
16h 57m2 stops
Multiple Airlines Logo
8:26 pm - 4:59 pm
FSD
-
DCA
19h 33m1 stop
$249Multiple Airlines
jue., ene. 8 - dom., ene. 11
American Airlines Logo
3:59 pm - 9:15 pm
DCA
-
RAP
7h 16m1 stop
American Airlines Logo
2:08 pm - 11:00 pm
RAP
-
DCA
6h 52m1 stop
$269American Airlines
mar., ene. 6 - mar., ene. 13
Delta Logo
6:05 am - 10:13 am
DCA
-
RAP
6h 08m1 stop
Delta Logo
4:10 pm - 11:36 pm
RAP
-
DCA
5h 26m1 stop
$289Delta
lun., ene. 19 - sáb., ene. 24
Delta Logo
6:05 am - 10:13 am
DCA
-
RAP
6h 08m1 stop
Delta Logo
10:54 am - 10:57 pm
RAP
-
DCA
10h 03m2 stops
$294Delta
mar., ene. 6 - mar., ene. 13
Delta Logo
2:32 pm - 10:28 pm
DCA
-
RAP
9h 56m2 stops
Delta Logo
10:54 am - 10:57 pm
RAP
-
DCA
10h 03m2 stops
$299Delta
mar., ene. 6 - mar., ene. 13
American Airlines Logo
6:00 am - 11:49 am
DCA
-
FSD
6h 49m1 stop
American Airlines Logo
12:19 pm - 6:59 pm
FSD
-
DCA
5h 40m1 stop
$309American Airlines
jue., feb. 12 - lun., feb. 16
United Airlines Logo
6:00 pm - 9:50 pm
DCA
-
FSD
4h 50m1 stop
United Airlines Logo
3:11 pm - 10:48 pm
FSD
-
DCA
6h 37m1 stop
$339United Airlines
sáb., ene. 10 - lun., ene. 12
United Airlines Logo
6:00 pm - 9:50 pm
DCA
-
FSD
4h 50m1 stop
United Airlines Logo
11:22 am - 4:59 pm
FSD
-
DCA
4h 37m1 stop
$419United Airlines
sáb., ene. 10 - lun., ene. 12

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

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to South Dakota flight tickets
American Airlines
Jan 6
DCA3:59 pmWashington, D.C. Reagan-National
7h 16m
1 stop
RAP9:15 pmRapid City
Jan 13
RAP2:08 pmRapid City
6h 52m
1 stop
DCA11:00 pmWashington, D.C. Reagan-National
$269
Find similar
American Airlines
Feb 12
DCA1:45 pmWashington, D.C. Reagan-National
6h 21m
1 stop
FSD7:06 pmSioux Falls Joe Foss Field
Feb 16
FSD12:19 pmSioux Falls Joe Foss Field
5h 40m
1 stop
DCA6:59 pmWashington, D.C. Reagan-National
$349
Find similar
American Airlines
Feb 20
DCA6:30 amWashington, D.C. Reagan-National
9h 22m
1 stop
RAP1:52 pmRapid City
Feb 22
RAP2:22 pmRapid City
6h 38m
1 stop
DCA11:00 pmWashington, D.C. Reagan-National
$364
Find similar

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
Jan 10
DCA5:00 pmWashington, D.C. Reagan-National
5h 50m
1 stop
FSD9:50 pmSioux Falls Joe Foss Field
Jan 12
FSD7:30 amSioux Falls Joe Foss Field
7h 02m
1 stop
DCA3:32 pmWashington, D.C. Reagan-National
$339
Find similar
United Airlines
Jan 10
DCA6:00 pmWashington, D.C. Reagan-National
4h 50m
1 stop
FSD9:50 pmSioux Falls Joe Foss Field
Jan 12
FSD11:22 amSioux Falls Joe Foss Field
4h 37m
1 stop
DCA4:59 pmWashington, D.C. Reagan-National
$419
Find similar
United Airlines
Jan 10
DCA7:00 amWashington, D.C. Reagan-National
15h 50m
2 stops
FSD9:50 pmSioux Falls Joe Foss Field
Jan 12
FSD3:11 pmSioux Falls Joe Foss Field
7h 48m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$444
Find similar

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 diciembre 11, 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

jue. 1/8

8:01 am-7:00 pm

1 stop11h 59m

Sioux Falls Joe Foss Field

dom. 1/11

8:26 pm-1:01 pm

1 stop15h 35m

$191

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

jue. 1/8

6:00 pm-9:57 am

2 stops16h 57m

Sioux Falls Joe Foss Field

dom. 1/11

8:26 pm-4:59 pm

1 stop19h 33m

$246

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

jue. 1/8

6:00 pm-9:57 am

2 stops16h 57m

Sioux Falls Joe Foss Field

dom. 1/11

8:26 pm-4:59 pm

1 stop19h 33m

$249

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

mar. 1/6

3:59 pm-9:15 pm

1 stop7h 16m

Rapid City

mar. 1/13

2:08 pm-11:00 pm

1 stop6h 52m

$269

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

lun. 1/19

6:05 am-10:13 am

1 stop6h 08m

Rapid City

sáb. 1/24

4:10 pm-11:36 pm

1 stop5h 26m

$289

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

mar. 1/6

6:05 am-10:13 am

1 stop6h 08m

Rapid City

mar. 1/13

10:54 am-10:57 pm

2 stops10h 03m

$294

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

mar. 1/6

2:32 pm-10:28 pm

2 stops9h 56m

Rapid City

mar. 1/13

10:54 am-10:57 pm

2 stops10h 03m

$299

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

jue. 2/12

6:00 am-11:49 am

1 stop6h 49m

Sioux Falls Joe Foss Field

lun. 2/16

12:19 pm-6:59 pm

1 stop5h 40m

$309

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

sáb. 1/10

6:00 pm-9:50 pm

1 stop4h 50m

Sioux Falls Joe Foss Field

lun. 1/12

3:11 pm-10:48 pm

1 stop6h 37m

$339

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

sáb. 1/10

6:00 pm-9:50 pm

1 stop4h 50m

Sioux Falls Joe Foss Field

lun. 1/12

11:22 am-4:59 pm

1 stop4h 37m

$419

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 January is, on average, the cheapest month to fly to South Dakota from Washington, D.C. Reagan-National Airport, with most prices found around $273. If you aren’t able to travel to South Dakota during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $298.

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

Fastest flight time

4h 56m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to South Dakota takes 4h 56m
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.
Search flight deals

  • 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
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
American AirlinesPriceFrom $258Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
DeltaPriceFrom $268Free CancellationRating
7.9
8,008 reviews
Search Delta 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sáb. 1/10
sáb. 1/17
By creating a price alert you accept our terms of use and privacy policy.

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
Flights to New Yorkfrom $34
Flights to Los Angelesfrom $49
Flights to Miamifrom $49
Flights to Chicagofrom $49
Flights to Orlandofrom $41
Flights to San Franciscofrom $53
Flights to Las Vegasfrom $40
Flights to Washington, D.C.from $49
Flights to Bostonfrom $55
Flights to Atlantafrom $49
Flights to Dallasfrom $52
Flights to Seattlefrom $58