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

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

What airlines fly to South Dakota?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to South Dakota from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 61% of people opting to fly with this airline when traveling to South Dakota. Keep in mind that there are 3 different airlines that fly to South Dakota on a routine basis, so you have a few additional options to choose from.

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.

$166 Cheap Flights from Washington, D.C. Dulles Intl Airport to South Dakota in 2026

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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.

5:20 pm - 10:27 pm

IAD

RAP

7h 07m

1 stop

12:00 pm - 9:25 pm

RAP

IAD

7h 25m

1 stop

$279United Airlines

Tue, Apr 14 - Sat, Apr 18

6:15 am - 10:42 am

IAD

FSD

5h 27m

1 stop

6:40 pm - 12:17 am

FSD

IAD

4h 37m

1 stop

$279United Airlines

Wed, Apr 8 - Sat, Apr 11

6:00 am - 10:12 am

IAD

FSD

5h 12m

1 stop

1:44 pm - 11:03 pm

FSD

IAD

8h 19m

2 stops

$284Delta

Wed, Apr 15 - Sat, Apr 18

4:00 pm - 10:27 pm

IAD

RAP

8h 27m

1 stop

11:40 am - 7:23 pm

RAP

IAD

5h 43m

1 stop

$284United Airlines

Wed, Apr 8 - Sun, Apr 12

6:15 am - 10:36 am

IAD

RAP

6h 21m

1 stop

2:42 pm - 11:34 pm

RAP

IAD

6h 52m

1 stop

$289United Airlines

Thu, Apr 23 - Mon, Apr 27

5:27 pm - 11:40 pm

IAD

FSD

7h 13m

1 stop

5:25 am - 11:42 am

FSD

IAD

5h 17m

1 stop

$299Delta

Fri, May 1 - Sun, May 3

5:28 pm - 12:31 pm

IAD

FSD

20h 03m

1 stop

6:51 pm - 4:33 pm

FSD

IAD

20h 42m

1 stop

$311Multiple Airlines

Mon, May 25 - Sun, Jun 7

5:28 pm - 12:31 pm

IAD

FSD

20h 03m

1 stop

9:57 am - 5:13 pm

FSD

IAD

30h 16m

2 stops

$322Multiple Airlines

Mon, May 25 - Mon, Jun 8

7:00 am - 12:38 pm

IAD

RAP

7h 38m

1 stop

1:08 pm - 11:26 pm

RAP

IAD

8h 18m

1 stop

$339American Airlines

Wed, Apr 8 - Sat, Apr 11

6:25 am - 4:27 pm

IAD

RAP

12h 02m

2 stops

1:08 pm - 11:26 pm

RAP

IAD

8h 18m

1 stop

$344American Airlines

Wed, Apr 8 - Sat, Apr 11

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to South Dakota flight tickets

American Airlines

Apr 8

IAD7:00 amWashington, D.C. Dulles Intl

7h 38m

1 stop

RAP12:38 pmRapid City

Apr 11

RAP1:08 pmRapid City

8h 18m

1 stop

IAD11:26 pmWashington, D.C. Dulles Intl

$339

American Airlines

Apr 8

IAD6:25 amWashington, D.C. Dulles Intl

12h 02m

2 stops

RAP4:27 pmRapid City

Apr 11

RAP1:08 pmRapid City

8h 18m

1 stop

IAD11:26 pmWashington, D.C. Dulles Intl

$344

American Airlines

Aug 17

IAD6:34 amWashington, D.C. Dulles Intl

6h 02m

1 stop

RAP10:36 amRapid City

Aug 21

RAP12:19 pmRapid City

8h 25m

1 stop

IAD10:44 pmWashington, D.C. Dulles Intl

$371

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

Apr 8

IAD6:15 amWashington, D.C. Dulles Intl

5h 27m

1 stop

FSD10:42 amSioux Falls Joe Foss Field

Apr 11

FSD6:40 pmSioux Falls Joe Foss Field

4h 37m

1 stop

IAD12:17 amWashington, D.C. Dulles Intl

$279

United Airlines

Apr 23

IAD6:15 amWashington, D.C. Dulles Intl

6h 21m

1 stop

RAP10:36 amRapid City

Apr 27

RAP2:42 pmRapid City

6h 52m

1 stop

IAD11:34 pmWashington, D.C. Dulles Intl

$289

United Airlines

Aug 20

IAD3:30 pmWashington, D.C. Dulles Intl

7h 08m

1 stop

FSD9:38 pmSioux Falls Joe Foss Field

Aug 24

FSD6:20 pmSioux Falls Joe Foss Field

4h 39m

1 stop

IAD11:59 pmWashington, D.C. Dulles Intl

$293

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

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 4/14

5:20 pm-10:27 pm

1 stop7h 07m

Rapid City

Sat 4/18

12:00 pm-9:25 pm

1 stop7h 25m

$279

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Wed 4/8

6:15 am-10:42 am

1 stop5h 27m

Sioux Falls Joe Foss Field

Sat 4/11

6:40 pm-12:17 am

1 stop4h 37m

$279

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Wed 4/15

6:00 am-10:12 am

1 stop5h 12m

Sioux Falls Joe Foss Field

Sat 4/18

1:44 pm-11:03 pm

2 stops8h 19m

$284

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 4/8

4:00 pm-10:27 pm

1 stop8h 27m

Rapid City

Sun 4/12

11:40 am-7:23 pm

1 stop5h 43m

$284

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Thu 4/23

6:15 am-10:36 am

1 stop6h 21m

Rapid City

Mon 4/27

2:42 pm-11:34 pm

1 stop6h 52m

$289

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Fri 5/1

5:27 pm-11:40 pm

1 stop7h 13m

Sioux Falls Joe Foss Field

Sun 5/3

5:25 am-11:42 am

1 stop5h 17m

$299

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Mon 5/25

5:28 pm-12:31 pm

1 stop20h 03m

Sioux Falls Joe Foss Field

Sun 6/7

6:51 pm-4:33 pm

1 stop20h 42m

$311

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Mon 5/25

5:28 pm-12:31 pm

1 stop20h 03m

Sioux Falls Joe Foss Field

Mon 6/8

9:57 am-5:13 pm

2 stops30h 16m

$322

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 4/8

7:00 am-12:38 pm

1 stop7h 38m

Rapid City

Sat 4/11

1:08 pm-11:26 pm

1 stop8h 18m

$339

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 4/8

6:25 am-4:27 pm

2 stops12h 02m

Rapid City

Sat 4/11

1:08 pm-11:26 pm

1 stop8h 18m

$344

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 $250. If you aren’t able to travel to South Dakota during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $258.

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

You could potentially save up to 61% 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 18m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to South Dakota takes 5h 18m

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

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 3 as of February 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 8,242 reviews	Search Delta flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 9,349 reviews	Search United Airlines flights
American Airlines	PriceFrom $359	Free Cancellation	Rating 7.2 11,357 reviews	Search American Airlines flights

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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?

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Flights to New Yorkfrom $56

Flights to Los Angelesfrom $54

Flights to Miamifrom $49

Flights to Orlandofrom $56

Flights to Chicagofrom $53

Flights to San Franciscofrom $50

Flights to Las Vegasfrom $53

Flights to Washington, D.C.from $56

Flights to Bostonfrom $75

Flights to Atlantafrom $49

Flights to Dallasfrom $54

Flights to Seattlefrom $48

Cheap flights from Washington, D.C. Dulles Intl Airport to South Dakota from $166

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to South Dakota flight tickets

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

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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?

What airlines fly 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

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Direct flights

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

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