Cheap flights from Washington, D.C. Dulles Intl Airport to South Dakota from $172

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. Dulles Intl Airport to South Dakota departing on 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to South Dakota

Cheap round-trip flights

American Airlines Logo
6:25 am - 12:38 pmIAD-FSD
7h 13m1 stop
American Airlines Logo
1:33 pm - 10:51 pmFSD-IAD
8h 18m1 stop
$259American Airlines
Find Deal
Wed, Oct 1 - Tue, Oct 7
American Airlines Logo
6:25 am - 12:38 pmIAD-FSD
7h 13m1 stop
American Airlines Logo
6:49 am - 6:54 pmFSD-IAD
11h 05m2 stops
$264American Airlines
Find Deal
Wed, Oct 1 - Tue, Oct 7
United Airlines Logo
12:35 pm - 6:40 pmIAD-RAP
8h 05m1 stop
United Airlines Logo
5:15 am - 1:18 pmRAP-IAD
6h 03m1 stop
$286United Airlines
Find Deal
Sat, Oct 25 - Wed, Oct 29
United Airlines Logo
5:47 pm - 9:59 pmIAD-RAP
6h 12m1 stop
United Airlines Logo
8:32 am - 7:13 pmRAP-IAD
8h 41m1 stop
$316United Airlines
Find Deal
Wed, Sep 17 - Tue, Sep 23
Delta Logo
6:18 am - 10:13 amIAD-FSD
4h 55m1 stop
Delta Logo
5:20 am - 1:37 pmFSD-IAD
7h 17m1 stop
$316Delta
Find Deal
Tue, Oct 14 - Sat, Oct 18
Delta Logo
6:15 am - 12:11 pmIAD-FSD
6h 56m1 stop
Delta Logo
5:30 am - 2:33 pmFSD-IAD
8h 03m1 stop
$319Delta
Find Deal
Thu, Sep 18 - Tue, Sep 23
Delta Logo
3:33 pm - 10:57 pmIAD-FSD
8h 24m2 stops
Delta Logo
8:01 am - 1:37 pmFSD-IAD
4h 36m1 stop
$321Delta
Find Deal
Tue, Oct 14 - Sat, Oct 18
American Airlines Logo
6:11 am - 11:36 amIAD-RAP
7h 25m1 stop
American Airlines Logo
5:32 am - 6:54 pmRAP-IAD
11h 22m2 stops
$329American Airlines
Find Deal
Sat, Oct 25 - Wed, Oct 29
United Airlines Logo
6:30 am - 10:37 amIAD-FSD
5h 07m1 stop
United Airlines Logo
8:00 am - 3:57 pmFSD-IAD
6h 57m1 stop
$339United Airlines
Find Deal
Thu, Oct 2 - Sat, Oct 4
United Airlines Logo
6:35 am - 10:22 amIAD-RAP
5h 47m1 stop
United Airlines Logo
11:15 am - 7:23 pmRAP-IAD
6h 08m1 stop
$344United Airlines
Find Deal
Mon, Sep 22 - Fri, Oct 3

Delta flights from Washington, D.C. Dulles Intl Airport to South Dakota

Our best Delta deals on Washington, D.C. Dulles Intl Airport to South Dakota flight tickets
Delta
Oct 14
IAD6:18 amWashington, D.C. Dulles Intl
4h 55m
1 stop
FSD10:13 amSioux Falls Joe Foss Field
Oct 18
FSD5:20 amSioux Falls Joe Foss Field
7h 17m
1 stop
IAD1:37 pmWashington, D.C. Dulles Intl
Delta
Sep 18
IAD6:15 amWashington, D.C. Dulles Intl
6h 56m
1 stop
FSD12:11 pmSioux Falls Joe Foss Field
Sep 23
FSD5:30 amSioux Falls Joe Foss Field
8h 03m
1 stop
IAD2:33 pmWashington, D.C. Dulles Intl
Delta
Oct 14
IAD3:33 pmWashington, D.C. Dulles Intl
8h 24m
2 stops
FSD10:57 pmSioux Falls Joe Foss Field
Oct 18
FSD8:01 amSioux Falls Joe Foss Field
4h 36m
1 stop
IAD1:37 pmWashington, D.C. Dulles Intl

United Airlines flights from Washington, D.C. Dulles Intl Airport to South Dakota

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to South Dakota flight tickets
United Airlines
Oct 25
IAD12:35 pmWashington, D.C. Dulles Intl
8h 05m
1 stop
RAP6:40 pmRapid City
Oct 29
RAP5:15 amRapid City
6h 03m
1 stop
IAD1:18 pmWashington, D.C. Dulles Intl
United Airlines
Sep 17
IAD5:47 pmWashington, D.C. Dulles Intl
6h 12m
1 stop
RAP9:59 pmRapid City
Sep 23
RAP8:32 amRapid City
8h 41m
1 stop
IAD7:13 pmWashington, D.C. Dulles Intl
United Airlines
Oct 2
IAD6:30 amWashington, D.C. Dulles Intl
5h 07m
1 stop
FSD10:37 amSioux Falls Joe Foss Field
Oct 4
FSD8:00 amSioux Falls Joe Foss Field
6h 57m
1 stop
IAD3:57 pmWashington, D.C. Dulles Intl

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl 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 20, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to South Dakota that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Wed 10/1

6:25 am-12:38 pm

1 stop7h 13m

Sioux Falls Joe Foss Field

Tue 10/7

1:33 pm-10:51 pm

1 stop8h 18m

$259

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Wed 10/1

6:25 am-12:38 pm

1 stop7h 13m

Sioux Falls Joe Foss Field

Tue 10/7

6:49 am-6:54 pm

2 stops11h 05m

$264

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 10/25

12:35 pm-6:40 pm

1 stop8h 05m

Rapid City

Wed 10/29

5:15 am-1:18 pm

1 stop6h 03m

$286

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 9/17

5:47 pm-9:59 pm

1 stop6h 12m

Rapid City

Tue 9/23

8:32 am-7:13 pm

1 stop8h 41m

$316

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Tue 10/14

6:18 am-10:13 am

1 stop4h 55m

Sioux Falls Joe Foss Field

Sat 10/18

5:20 am-1:37 pm

1 stop7h 17m

$316

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Thu 9/18

6:15 am-12:11 pm

1 stop6h 56m

Sioux Falls Joe Foss Field

Tue 9/23

5:30 am-2:33 pm

1 stop8h 03m

$319

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Tue 10/14

3:33 pm-10:57 pm

2 stops8h 24m

Sioux Falls Joe Foss Field

Sat 10/18

8:01 am-1:37 pm

1 stop4h 36m

$321

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 10/25

6:11 am-11:36 am

1 stop7h 25m

Rapid City

Wed 10/29

5:32 am-6:54 pm

2 stops11h 22m

$329

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Thu 10/2

6:30 am-10:37 am

1 stop5h 07m

Sioux Falls Joe Foss Field

Sat 10/4

8:00 am-3:57 pm

1 stop6h 57m

$339

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Mon 9/22

6:35 am-10:22 am

1 stop5h 47m

Rapid City

Fri 10/3

11:15 am-7:23 pm

1 stop6h 08m

$344

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to South Dakota from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl 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 September is, on average, the cheapest month to fly to South Dakota from Washington, D.C. Dulles Intl Airport, with most prices found around $248. If you aren’t able to travel to South Dakota during the month of September, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $311.

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

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to South Dakota is on a Saturday. Travelers who choose to depart for South Dakota on a Saturday will often find tickets for as low as $341. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $668. 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 morning when flights can be purchased for as low as $403. In the afternoon is when there is more demand to fly to South Dakota, so prices are often more expensive at around $493 per ticket.

Cheap Washington, D.C. Dulles Intl Airport to South Dakota flight deals and tips

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

Direct flights

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to South Dakota refresh daily.

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

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to South Dakota?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl 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. Dulles Intl Airport to South Dakota

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to South Dakota with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $208Free CancellationRating
7.9
7,982 reviews
Search Delta flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
American AirlinesPriceFrom $359Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to South Dakota. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Washington, D.C. to South Dakota flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to South Dakota from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Washington, D.C. to South Dakota flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Mon 8/25
Mon 9/1

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