Dulles Intl

$100+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — IAD
feb. 4 — feb. 111
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Cheap flight deals from South Dakota to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from South Dakota (USSD) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$222
(Delta)

One-way from

$100
(United Airlines)

Popular in

March

Cheapest in

November

Average price

$387
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Washington, D.C. (WAS) flights.
From South Dakota to Washington, D.C. Dulles Intl
One-way flight from South Dakota to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 7% potential increase in price ($28 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in January 2025

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 enero 30, 2025.

This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/151:18 pmFSD - IAD
2 stops10h 02mDelta
mar. 2/186:05 amIAD - FSD
1 stop5h 14mDelta
Deal found 1/29$222
This American Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/171:41 pmFSD - IAD
1 stop7h 54mAmerican Airlines
mar. 7/17:09 amIAD - FSD
1 stop6h 17mAmerican Airlines
Deal found 1/30$374
This United deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/216:33 amRAP - IAD
1 stop15h 26mUnited Airlines
dom. 5/253:35 pmIAD - RAP
1 stop8h 01mUnited Airlines
Deal found 1/29$448
This United Airlines deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/121:27 pmFSD - IAD
1 stop6h 56mUnited Airlines
dom. 2/165:25 pmIAD - FSD
1 stop5h 50mUnited Airlines
Deal found 1/30$453
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/246:00 amRAP - IAD
1 stop5h 47mDelta
mié. 2/266:05 amIAD - RAP
1 stop6h 59mDelta
Deal found 1/28$499
This American Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/2012:28 pmRAP - IAD
1 stop8h 31mAmerican Airlines
mar. 5/276:18 amIAD - RAP
1 stop7h 39mAmerican Airlines
Deal found 1/29$604

Find flights from South Dakota to Dulles Intl within your budget

Customize your flight search to find flights from South Dakota to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated enero 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

sáb. 2/15

1:18 pm-12:20 am

2 stops10h 02m

Washington, D.C. Dulles Intl

mar. 2/18

6:05 am-10:19 am

1 stop5h 14m

$222

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

mar. 6/17

1:41 pm-10:35 pm

1 stop7h 54m

Washington, D.C. Dulles Intl

mar. 7/1

7:09 am-12:26 pm

1 stop6h 17m

$374

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

mié. 5/21

6:33 am-11:59 pm

1 stop15h 26m

Washington, D.C. Dulles Intl

dom. 5/25

3:35 pm-9:36 pm

1 stop8h 01m

$448

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

mié. 2/12

1:27 pm-9:23 pm

1 stop6h 56m

Washington, D.C. Dulles Intl

dom. 2/16

5:25 pm-10:15 pm

1 stop5h 50m

$453

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

lun. 2/24

6:00 am-1:47 pm

1 stop5h 47m

Washington, D.C. Dulles Intl

mié. 2/26

6:05 am-11:04 am

1 stop6h 59m

$499

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

mar. 5/20

12:28 pm-10:59 pm

1 stop8h 31m

Washington, D.C. Dulles Intl

mar. 5/27

6:18 am-11:57 am

1 stop7h 39m

$604

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

mar. 2/25

11:20 am-7:01 pm

1 stop6h 41m

$100

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

mar. 2/25

5:05 am-3:50 pm

2 stops9h 45m

$114

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

mié. 5/14

1:34 pm-9:25 pm

1 stop5h 51m

$250

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

mar. 2/4

5:24 am-4:14 pm

1 stop8h 50m

$400

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 12 results
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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.

Travel insights for flights from South Dakota to Dulles Intl

Get recent, data-driven insights about flights from South Dakota to Dulles Intl including ideal travel times, pricing trends, and more.

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 $309). Flying from South Dakota to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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.

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

Find hourly flight availability from South Dakota to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 30, 2025.

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.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

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.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated enero 30, 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from South Dakota to Washington, D.C. have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good
8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good

Entertainment

7.9

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.
  • 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 United Airlines ($100), Delta ($114), and American Airlines ($400).

  • 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 $309). Flying from South Dakota to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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

Traveling to a place near South Dakota?

Book flights to South Dakota if you plan to visit one of these locations
Fairfax
Arlington
Alexandria
Springfield
Silver Spring
Rockville
Tysons
Gaithersburg
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Sterling
Easton
Oxon Hill
Herndon
Woodbridge
Bowie
Reston
National Harbor

Browse thousands of different options on Cheapflights for your next trip

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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

Discover the top 2 airlines that operate flights from South Dakota to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$233Average$460FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$279Average$477FlexibilityNo cancel feeOn-time69%
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