What is the cheapest airline that flies from Washington, D.C. Dulles Intl to South Dakota?

Allegiant Air, Delta, and American Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to South Dakota

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

The number of operators available for flights from Washington, D.C. Dulles Intl Airport to South Dakota is 2 as of June 2026.

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.

$187 Cheap Flights from Washington, D.C. Dulles Intl Airport to South Dakota in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to South Dakota

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 10:02 am

IAD

RAP

6h 02m

1 stop

4:30 pm - 11:21 pm

RAP

IAD

4h 51m

1 stop

$271Delta

Wed, Aug 19 - Wed, Aug 26

6:00 am - 3:46 pm

IAD

RAP

11h 46m

2 stops

11:30 am - 6:14 pm

RAP

IAD

4h 44m

1 stop

$276Delta

Sat, Oct 24 - Tue, Nov 3

6:00 am - 3:46 pm

IAD

RAP

11h 46m

2 stops

11:30 am - 12:20 am

RAP

IAD

10h 50m

2 stops

$281Delta

Sat, Oct 24 - Tue, Nov 3

1:32 pm - 9:01 am

IAD

RAP

21h 29m

1 stop

3:36 pm - 8:20 am

RAP

IAD

14h 44m

2 stops

$292Multiple Airlines

Tue, Aug 4 - Wed, Aug 12

9:50 am - 2:49 pm

IAD

FSD

29h 59m

1 stop

7:10 pm - 11:20 am

FSD

IAD

15h 10m

2 stops

$296Multiple Airlines

Tue, Aug 11 - Sun, Aug 16

3:27 pm - 9:07 am

IAD

FSD

18h 40m

1 stop

9:57 am - 2:02 pm

FSD

IAD

27h 05m

1 stop

$320Allegiant Air

Sun, Aug 9 - Fri, Aug 14

6:10 am - 10:24 am

IAD

RAP

6h 14m

1 stop

5:00 am - 1:29 pm

RAP

IAD

6h 29m

1 stop

$325United Airlines

Tue, Aug 4 - Tue, Aug 11

6:09 am - 12:17 pm

IAD

FSD

7h 08m

1 stop

7:00 am - 6:59 pm

FSD

IAD

10h 59m

2 stops

$334American Airlines

Tue, Sep 8 - Tue, Sep 15

6:09 am - 12:17 pm

IAD

FSD

7h 08m

1 stop

12:56 pm - 8:24 pm

FSD

IAD

6h 28m

1 stop

$344American Airlines

Tue, Sep 8 - Tue, Sep 15

10:10 pm - 10:59 pm

IAD

PIR

25h 49m

2 stops

6:22 am - 1:27 pm

PIR

IAD

6h 05m

1 stop

$543United Airlines

Tue, Oct 27 - Sat, Oct 31

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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

Sep 19

IAD6:15 amWashington, D.C. Dulles Intl

6h 11m

1 stop

RAP10:26 amRapid City

Sep 22

RAP5:00 amRapid City

6h 30m

1 stop

IAD1:30 pmWashington, D.C. Dulles Intl

$332

United Airlines

Nov 22

IAD5:15 pmWashington, D.C. Dulles Intl

6h 53m

1 stop

RAP10:08 pmRapid City

Nov 27

RAP5:30 amRapid City

5h 57m

1 stop

IAD1:27 pmWashington, D.C. Dulles Intl

$355

United Airlines

Jul 4

IAD5:42 pmWashington, D.C. Dulles Intl

4h 56m

1 stop

FSD9:38 pmSioux Falls Joe Foss Field

Jul 10

FSD7:35 amSioux Falls Joe Foss Field

5h 37m

1 stop

IAD2:12 pmWashington, D.C. Dulles Intl

$357

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

Aug 19

IAD6:00 amWashington, D.C. Dulles Intl

6h 02m

1 stop

RAP10:02 amRapid City

Aug 26

RAP4:30 pmRapid City

4h 51m

1 stop

IAD11:21 pmWashington, D.C. Dulles Intl

$271

Delta

Oct 24

IAD6:00 amWashington, D.C. Dulles Intl

11h 46m

2 stops

RAP3:46 pmRapid City

Nov 3

RAP11:30 amRapid City

4h 44m

1 stop

IAD6:14 pmWashington, D.C. Dulles Intl

$276

Delta

Oct 24

IAD6:00 amWashington, D.C. Dulles Intl

11h 46m

2 stops

RAP3:46 pmRapid City

Nov 3

RAP11:30 amRapid City

10h 50m

2 stops

IAD12:20 amWashington, D.C. Dulles Intl

$281

momondo Fare Finder

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

Cheapest round-trip

Quickest round-trip

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 8/19

6:00 am-10:02 am

1 stop6h 02m

Rapid City

Wed 8/26

4:30 pm-11:21 pm

1 stop4h 51m

$271

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 10/24

6:00 am-3:46 pm

2 stops11h 46m

Rapid City

Tue 11/3

11:30 am-6:14 pm

1 stop4h 44m

$276

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 10/24

6:00 am-3:46 pm

2 stops11h 46m

Rapid City

Tue 11/3

11:30 am-12:20 am

2 stops10h 50m

$281

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 8/4

1:32 pm-9:01 am

1 stop21h 29m

Rapid City

Wed 8/12

3:36 pm-8:20 am

2 stops14h 44m

$292

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Tue 8/11

9:50 am-2:49 pm

1 stop29h 59m

Sioux Falls Joe Foss Field

Sun 8/16

7:10 pm-11:20 am

2 stops15h 10m

$296

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Sun 8/9

3:27 pm-9:07 am

1 stop18h 40m

Sioux Falls Joe Foss Field

Fri 8/14

9:57 am-2:02 pm

1 stop27h 05m

$320

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 8/4

6:10 am-10:24 am

1 stop6h 14m

Rapid City

Tue 8/11

5:00 am-1:29 pm

1 stop6h 29m

$325

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Tue 9/8

6:09 am-12:17 pm

1 stop7h 08m

Sioux Falls Joe Foss Field

Tue 9/15

7:00 am-6:59 pm

2 stops10h 59m

$334

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Tue 9/8

6:09 am-12:17 pm

1 stop7h 08m

Sioux Falls Joe Foss Field

Tue 9/15

12:56 pm-8:24 pm

1 stop6h 28m

$344

Washington, D.C.Pierre

IAD - PIR

IADPIR

Washington, D.C. Dulles Intl

Tue 10/27

10:10 pm-10:59 pm

2 stops25h 49m

Pierre

Sat 10/31

6:22 am-1:27 pm

1 stop6h 05m

$543

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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. Dulles Intl Airport, with most prices found around $193. If you aren’t able to travel to South Dakota during the month of November, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $202.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to South Dakota flights?

You could potentially save up to 25% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to South Dakota flight.

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

Fastest flight time	5h 02m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to South Dakota takes 5h 02m

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.

Search flight deals

Frequently asked questions about flying 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?
The number of operators available for flights from Washington, D.C. Dulles Intl Airport to South Dakota is 2 as of June 2026.
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
Delta	PriceFrom $200	Free Cancellation	Rating 7.9 8,406 reviews		Search Delta flights
United Airlines	PriceFrom $276	Free Cancellation	Rating 7.4 9,815 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 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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Flights to New Yorkfrom $52

Flights to Los Angelesfrom $69

Flights to Miamifrom $76

Flights to Orlandofrom $55

Flights to Chicagofrom $60

Flights to San Franciscofrom $56

Flights to Las Vegasfrom $50

Flights to Washington, D.C.from $56

Flights to Bostonfrom $83

Flights to Atlantafrom $61

Flights to Dallasfrom $73

Flights to Fort Lauderdalefrom $56

Cheap flights from Washington, D.C. Dulles Intl Airport to South Dakota from $187

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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

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

momondo Fare Finder

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

See travel insights to South Dakota from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to South Dakota

What is the cheapest month to fly to South Dakota?

Can stopping save me money on Washington, D.C. Dulles Intl Airport to South Dakota flights?

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to South Dakota?

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to South Dakota

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

Why use momondo?

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.

Find better results for your trip to South Dakota

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Washington, D.C. Dulles Intl Airport flight routes

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