What are the cheapest airlines to fly from South Dakota to Washington, D.C. Dulles Intl Airport one-way?

The cheapest airlines for a one-way flight from South Dakota to Washington, D.C. Dulles Intl Airport are American Airlines ($216), Delta ($245), and United Airlines ($271).

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from SD to IAD?

When flying from South Dakota to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from South Dakota to Dulles Intl that include hotel bookings?

Yes. In addition to deals on South Dakota to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from South Dakota to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Dulles Intl.

Can I find deals for business class flights from South Dakota to Dulles Intl?

Yes. Cheapflights offers flight deals from South Dakota to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$183+ Cheap Flights from South Dakota to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from South Dakota to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from South Dakota to Dulles Intl

Round-trip from	$259 (American Airlines)
One-way from	$183 (Kiwi.com)
Popular in	February
Cheapest in	October
Average price	$408

From South Dakota to Washington, D.C. Dulles Intl

Search Deals

One-way flight from South Dakota to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 23% potential increase in price ($124 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from South Dakota to Dulles Intl

Cheapest flights from South Dakota to Dulles Intl
Explore the most affordable flight options available from South Dakota to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Sat 11/81:03 pmFSD - IAD

1 stop8h 25mAmerican Airlines

Tue 11/116:04 amIAD - FSD

1 stop7h 17mAmerican Airlines

Deal found 9/15

$259

Fri 10/311:35 pmFSD - IAD

2 stops8h 43mDelta

Tue 11/43:33 pmIAD - FSD

1 stop8h 23mDelta

Deal found 9/15

$264

Sat 10/44:08 pmFSD - IAD

1 stop6h 30mDelta

Tue 10/76:18 amIAD - FSD

1 stop7h 37mDelta

Deal found 9/16

$274

Sat 11/88:00 amFSD - IAD

1 stop6h 55mUnited Airlines

Wed 11/125:15 pmIAD - FSD

1 stop5h 31mUnited Airlines

Deal found 9/15

$295

Sun 10/52:54 pmFSD - IAD

2 stops23h 45mMultiple Airlines

Sat 10/119:38 pmIAD - FSD

1 stop11h 49mMultiple Airlines

Deal found 9/14

$314

Fri 10/317:00 amFSD - IAD

1 stop9h 04mAmerican Airlines

Tue 11/46:04 amIAD - FSD

1 stop7h 17mAmerican Airlines

Deal found 9/15

$324

Sat 9/275:30 amFSD - IAD

1 stop7h 23mDelta

Tue 9/306:15 amIAD - FSD

1 stop6h 56mDelta

Deal found 9/15

$329

Sat 9/277:00 amFSD - IAD

2 stops10h 47mAmerican Airlines

Tue 9/3011:18 amIAD - FSD

2 stops11h 05mAmerican Airlines

Deal found 9/15

$339

Thu 9/2511:15 amRAP - IAD

1 stop7h 52mUnited Airlines

Sun 10/56:30 amIAD - RAP

1 stop5h 43mUnited Airlines

Deal found 9/15

$349

Thu 11/1312:27 pmRAP - IAD

1 stop6h 54mUnited Airlines

Fri 11/2112:40 pmIAD - RAP

1 stop8h 03mUnited Airlines

Deal found 9/16

$377

Thu 10/211:15 amRAP - IAD

1 stop6h 08mUnited Airlines

Mon 10/66:30 amIAD - RAP

1 stop5h 43mUnited Airlines

Deal found 9/17

$380

Thu 10/1612:56 pmRAP - IAD

1 stop8h 26mUnited Airlines

Thu 10/236:30 amIAD - RAP

1 stop5h 43mUnited Airlines

Deal found 9/16

$400

Best flights from South Dakota to Dulles Intl
Discover carefully curated flight deals from South Dakota to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Fri 10/311:35 pmFSD - IAD

2 stops8h 43mDelta

Tue 11/43:33 pmIAD - FSD

1 stop8h 23mDelta

Deal found 9/15

$264

Sat 11/88:00 amFSD - IAD

1 stop6h 55mUnited Airlines

Wed 11/125:15 pmIAD - FSD

1 stop5h 31mUnited Airlines

Deal found 9/15

$295

Wed 11/51:08 pmFSD - IAD

1 stop8h 25mAmerican Airlines

Sun 11/96:04 amIAD - FSD

1 stop7h 19mAmerican Airlines

Deal found 9/16

$324

Tue 10/145:20 amFSD - IAD

1 stop5h 06mDelta

Tue 10/216:18 amIAD - FSD

1 stop4h 55mDelta

Deal found 9/17

$279

Sat 10/412:56 pmFSD - IAD

2 stops9h 21mDelta

Tue 10/76:18 amIAD - FSD

1 stop7h 37mDelta

Deal found 9/16

$279

Fri 10/317:00 amFSD - IAD

1 stop9h 04mAmerican Airlines

Tue 11/46:04 amIAD - FSD

1 stop7h 17mAmerican Airlines

Deal found 9/15

$324

Fri 11/146:23 pmFSD - IAD

1 stop4h 36mUnited Airlines

Mon 11/175:15 pmIAD - FSD

1 stop5h 31mUnited Airlines

Deal found 9/15

$324

Tue 3/35:15 amFSD - IAD

1 stop7h 40mDelta

Sat 3/711:00 amIAD - FSD

2 stops9h 18mDelta

Deal found 9/16

$284

Thu 2/197:05 amRAP - IAD

1 stop6h 33mUnited Airlines

Mon 2/234:08 pmIAD - RAP

1 stop6h 25mUnited Airlines

Deal found 9/14

$349

Thu 2/196:20 amRAP - IAD

1 stop5h 35mDelta

Mon 2/236:15 amIAD - RAP

1 stop5h 50mDelta

Deal found 9/16

$294

Thu 11/1312:27 pmRAP - IAD

1 stop6h 54mUnited Airlines

Fri 11/2112:40 pmIAD - RAP

1 stop8h 03mUnited Airlines

Deal found 9/16

$377

Sat 9/275:30 amFSD - IAD

1 stop7h 23mDelta

Tue 9/306:15 amIAD - FSD

1 stop6h 56mDelta

Deal found 9/15

$329

Thu 10/211:15 amRAP - IAD

1 stop6h 08mUnited Airlines

Mon 10/66:30 amIAD - RAP

1 stop5h 43mUnited Airlines

Deal found 9/17

$380

Thu 10/1612:56 pmRAP - IAD

1 stop8h 26mUnited Airlines

Thu 10/236:30 amIAD - RAP

1 stop5h 43mUnited Airlines

Deal found 9/16

$400

Fri 10/244:34 pmRAP - IAD

1 stop5h 06mDelta

Mon 10/276:18 amIAD - RAP

1 stop5h 35mDelta

Deal found 9/17

$405

Fri 10/34:24 pmRAP - IAD

1 stop5h 14mDelta

Sun 10/56:15 amIAD - RAP

1 stop5h 57mDelta

Deal found 9/17

$409

Last-minute flights from South Dakota to Dulles Intl
Discover last-minute flight deals from South Dakota to Dulles Intl. Data last updated September 17, 2025 and is based on user searches.

Fri 9/197:00 amRAP - IAD

1 stop6h 34mUnited Airlines

Sun 9/216:35 amIAD - RAP

1 stop5h 47mUnited Airlines

Deal found 9/16

$439

Thu 9/2511:15 amRAP - IAD

1 stop7h 52mUnited Airlines

Sun 10/56:30 amIAD - RAP

1 stop5h 43mUnited Airlines

Deal found 9/15

$349

Thu 9/257:00 amFSD - IAD

2 stops8h 38mAmerican Airlines

Mon 9/296:25 amIAD - FSD

1 stop7h 13mAmerican Airlines

Deal found 9/15

$384

Thu 9/255:46 pmFSD - IAD

1 stop4h 52mDelta

Sun 9/286:15 amIAD - FSD

1 stop6h 56mDelta

Deal found 9/17

$414

Fri 9/265:46 pmFSD - IAD

1 stop4h 52mDelta

Mon 9/295:25 pmIAD - FSD

1 stop6h 37mDelta

Deal found 9/17

$369

Fri 9/261:19 pmFSD - IAD

1 stop8h 26mAmerican Airlines

Mon 9/2911:18 amIAD - FSD

2 stops11h 05mAmerican Airlines

Deal found 9/15

$427

Sat 9/275:30 amFSD - IAD

1 stop7h 23mDelta

Tue 9/306:15 amIAD - FSD

1 stop6h 56mDelta

Deal found 9/15

$329

Sat 9/277:00 amFSD - IAD

2 stops10h 47mAmerican Airlines

Tue 9/3011:18 amIAD - FSD

2 stops11h 05mAmerican Airlines

Deal found 9/15

$339

Thu 10/211:15 amRAP - IAD

1 stop6h 08mUnited Airlines

Mon 10/66:30 amIAD - RAP

1 stop5h 43mUnited Airlines

Deal found 9/17

$380

Fri 10/34:24 pmRAP - IAD

1 stop5h 14mDelta

Sun 10/56:15 amIAD - RAP

1 stop5h 57mDelta

Deal found 9/17

$409

Thu 10/1612:56 pmRAP - IAD

1 stop8h 26mUnited Airlines

Thu 10/236:30 amIAD - RAP

1 stop5h 43mUnited Airlines

Deal found 9/16

$400

Fri 10/244:34 pmRAP - IAD

1 stop5h 06mDelta

Mon 10/276:18 amIAD - RAP

1 stop5h 35mDelta

Deal found 9/17

$405

One-way flights from South Dakota to Dulles Intl
Search for one-way flight options from South Dakota to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Fri 10/1710:08 amFSD - IAD

2 stops36h 21mMultiple Airlines

Deal found 9/14

$183

Sun 9/282:54 pmFSD - IAD

2 stops22h 31mFrontier

Deal found 9/15

$196

Thu 11/135:18 amRAP - IAD

1 stop8h 53mAmerican Airlines

Deal found 9/17

$216

Thu 11/1311:07 amRAP - IAD

2 stops11h 11mDelta

Deal found 9/17

$245

Fri 10/178:00 amFSD - IAD

1 stop4h 51mUnited Airlines

Deal found 9/14

$271

Fri 12/51:30 pmFSD - IAD

2 stops8h 38mDelta

Deal found 9/15

$276

Sun 10/125:20 amFSD - IAD

1 stop5h 06mDelta

Deal found 9/15

$310

Wed 9/241:19 pmFSD - IAD

1 stop8h 29mAmerican Airlines

Deal found 9/16

$368

Sun 11/3010:33 amFSD - IAD

1 stop25h 43mMultiple Airlines

Deal found 9/15

$377

Wed 9/2412:56 pmFSD - IAD

2 stops9h 21mDelta

Deal found 9/16

$395

Fri 12/52:11 pmFSD - IAD

3 stops31h 17mAlaska Airlines

Deal found 9/15

$409

Sun 9/287:00 amFSD - IAD

1 stop8h 50mAmerican Airlines

Deal found 9/15

$430

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 10/31

1:35 pm-11:18 pm

2 stops8h 43m

Washington, D.C. Dulles Intl

Tue 11/4

3:33 pm-10:56 pm

1 stop8h 23m

$264

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Tue 10/14

5:20 am-11:26 am

1 stop5h 06m

Washington, D.C. Dulles Intl

Tue 10/21

6:18 am-10:13 am

1 stop4h 55m

$279

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Sat 10/4

12:56 pm-11:17 pm

2 stops9h 21m

Washington, D.C. Dulles Intl

Tue 10/7

6:18 am-12:55 pm

1 stop7h 37m

$279

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Tue 3/3

5:15 am-1:55 pm

1 stop7h 40m

Washington, D.C. Dulles Intl

Sat 3/7

11:00 am-7:18 pm

2 stops9h 18m

$284

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 2/19

6:20 am-1:55 pm

1 stop5h 35m

Washington, D.C. Dulles Intl

Mon 2/23

6:15 am-10:05 am

1 stop5h 50m

$294

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Sat 11/8

8:00 am-3:55 pm

1 stop6h 55m

Washington, D.C. Dulles Intl

Wed 11/12

5:15 pm-9:46 pm

1 stop5h 31m

$295

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 11/5

1:08 pm-10:33 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

Sun 11/9

6:04 am-12:23 pm

1 stop7h 19m

$324

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 10/31

7:00 am-5:04 pm

1 stop9h 04m

Washington, D.C. Dulles Intl

Tue 11/4

6:04 am-12:21 pm

1 stop7h 17m

$324

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 11/14

6:23 pm-11:59 pm

1 stop4h 36m

Washington, D.C. Dulles Intl

Mon 11/17

5:15 pm-9:46 pm

1 stop5h 31m

$324

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Sat 9/27

5:30 am-1:53 pm

1 stop7h 23m

Washington, D.C. Dulles Intl

Tue 9/30

6:15 am-12:11 pm

1 stop6h 56m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 27 results

Best time to book a flight from South Dakota to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from South Dakota with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from South Dakota to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from South Dakota to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. Dulles Intl Airport (average of $292). Flying from South Dakota to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

How long is the flight from South Dakota to Washington, D.C. Dulles Intl Airport?
Delta and United Airlines can get you from South Dakota to Washington, D.C. Dulles Intl Airport in just under 6h 33m. Your travel time can differ by up to 2h 10m. The distance from South Dakota to Washington, D.C. Dulles Intl Airport is about 1364 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from South Dakota to Washington, D.C. Dulles Intl Airport one-way?
The cheapest airlines for a one-way flight from South Dakota to Washington, D.C. Dulles Intl Airport are American Airlines ($216), Delta ($245), and United Airlines ($271).
Can I find deals for flights from South Dakota to Dulles Intl that include hotel bookings?
Yes. In addition to deals on South Dakota to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Dakota to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Dulles Intl.
Can I find deals for business class flights from South Dakota to Dulles Intl?
Yes. Cheapflights offers flight deals from South Dakota to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from South Dakota to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from South Dakota to Washington, D.C. Dulles Intl Airport (average of $292). Flying from South Dakota to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Springfield

Gaithersburg

Fredericksburg

Linthicum Heights

Fairfax

Falls Church

Owings Mills

Manassas

Rockville

Hanover

Oxon Hill

Laurel

Towson

National Harbor

Dundalk

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from South Dakota to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$258	Average$378	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$324	Average$551	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$183+ Cheap flights from South Dakota to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Dakota to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from South Dakota to Dulles Intl

Keep the following information in mind while searching for South Dakota to Dulles Intl flight deals. Data was last updated September 17, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from South Dakota to Dulles Intl

Cheapest flights from South Dakota to Dulles IntlExplore the most affordable flight options available from South Dakota to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Explore the most affordable flight options available from South Dakota to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from South Dakota to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from South Dakota with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from South Dakota to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from South Dakota to Washington, D.C. Dulles Intl Airport?

Related info for your journey

Find useful and relevant information for your journey from South Dakota to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from South Dakota to Washington, D.C. Dulles Intl Airport?

What are the cheapest airlines to fly from South Dakota to Washington, D.C. Dulles Intl Airport one-way?

Can I find deals for flights from South Dakota to Dulles Intl that include hotel bookings?

How can I find direct flights from South Dakota to Dulles Intl?

Can I find deals for business class flights from South Dakota to Dulles Intl?

What is the cheapest month to book a flight from South Dakota to Washington, D.C. Dulles Intl Airport?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for South Dakota to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from South Dakota to Dulles Intl

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from South Dakota to Dulles Intl
Explore the most affordable flight options available from South Dakota to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.