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Dulles Intl

$178+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — IAD
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$377
(Delta)

One-way from

$178
(American Airlines)

Popular in

February

Cheapest in

November

Average price

$464
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Washington, D.C. (WAS) flights.
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From South Dakota to Washington, D.C. Dulles Intl
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One-way flight from South Dakota to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 30% potential increase in price ($167 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 31, 2025.

This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1010:55 amFSD - IAD
1 stop6h 28mDelta
Tue 6/176:20 amIAD - FSD
1 stop6h 56mDelta
Deal found 3/30$377
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Thu 7/3112:01 pmRAP - IAD
1 stop8h 49mAmerican Airlines
Wed 8/611:30 amIAD - RAP
1 stop6h 32mAmerican Airlines
Deal found 3/30$385
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 6/41:32 pmFSD - IAD
2 stops9h 30mAmerican Airlines
Tue 6/106:55 amIAD - FSD
2 stops10h 39mAmerican Airlines
Deal found 3/30$387
This Delta deal was found by Cheapflights users on 3/31. 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.
Tue 5/204:25 pmRAP - IAD
1 stop5h 09mDelta
Tue 5/276:43 pmIAD - RAP
1 stop5h 51mDelta
Deal found 3/31$421
This United deal was found by Cheapflights users on 3/31. 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.
Tue 5/276:35 pmFSD - IAD
1 stop4h 55mUnited Airlines
Fri 5/306:48 amIAD - FSD
1 stop4h 57mUnited Airlines
Deal found 3/31$457
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 6/104:30 pmRAP - IAD
1 stop6h 04mUnited Airlines
Sun 6/1510:19 pmIAD - RAP
1 stop12h 45mUnited Airlines
Deal found 3/31$475
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/239:27 pmFSD - IAD
1 stop16h 12mAllegiant Air
Mon 5/263:13 pmIAD - FSD
2 stops19h 06mAllegiant Air
Deal found 3/31$476
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/239:27 pmFSD - IAD
1 stop16h 12mMultiple Airlines
Mon 5/2612:55 pmIAD - FSD
3 stops21h 24mMultiple Airlines
Deal found 3/31$485

Cheapflights Fare Finder

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 March 31, 2025.
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

South Dakota

Fly to

Dulles Intl

Route

Depart

Return

Price

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Tue 6/10

10:55 am-6:23 pm

1 stop6h 28m

Washington, D.C. Dulles Intl

Tue 6/17

6:20 am-12:16 pm

1 stop6h 56m

$377

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 7/31

12:01 pm-10:50 pm

1 stop8h 49m

Washington, D.C. Dulles Intl

Wed 8/6

11:30 am-4:02 pm

1 stop6h 32m

$385

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 6/4

1:32 pm-12:02 am

2 stops9h 30m

Washington, D.C. Dulles Intl

Tue 6/10

6:55 am-4:34 pm

2 stops10h 39m

$387

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Tue 5/20

4:25 pm-11:34 pm

1 stop5h 09m

Washington, D.C. Dulles Intl

Tue 5/27

6:43 pm-10:34 pm

1 stop5h 51m

$421

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Tue 5/27

6:35 pm-12:30 am

1 stop4h 55m

Washington, D.C. Dulles Intl

Fri 5/30

6:48 am-10:45 am

1 stop4h 57m

$457

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Tue 6/10

4:30 pm-12:34 am

1 stop6h 04m

Washington, D.C. Dulles Intl

Sun 6/15

10:19 pm-9:04 am

1 stop12h 45m

$475

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 5/23

9:27 pm-2:39 pm

1 stop16h 12m

Washington, D.C. Dulles Intl

Mon 5/26

3:13 pm-9:19 am

2 stops19h 06m

$476

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 5/23

9:27 pm-2:39 pm

1 stop16h 12m

Washington, D.C. Dulles Intl

Mon 5/26

12:55 pm-9:19 am

3 stops21h 24m

$485

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Fri 9/5

12:19 pm-7:34 pm

1 stop5h 15m

$178

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Fri 9/5

2:20 pm-12:10 am

2 stops7h 50m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 16 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.

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 $309). Flying from South Dakota to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $385). 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 March 31, 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 March 31, 2025.
See what other customers who have flown with Delta, United Airlines and Allegiant Air 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.
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
Allegiant Air
7.3
Good
731 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

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 American Airlines ($178), Delta ($183), and Allegiant Air ($264).

  • 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 $385). 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
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Fredericksburg
Woodbridge
Gaithersburg
Linthicum Heights
Silver Spring
Falls Church
Laurel
Easton
Herndon
Sterling
Bowie
Gettysburg
National Harbor
Oxon Hill

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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.
Dallas/Fort Worth to Dulles Intl flights
Los Angeles to Dulles Intl flights
O'Hare Intl to Dulles Intl flights
Boston to Dulles Intl flights
Los Angeles to Reagan-National flights
Boston to Reagan-National flights
O'Hare Intl to Reagan-National flights
Boston to Baltimore flights
Seattle to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
San Francisco to Dulles Intl flights
Seattle to Reagan-National flights
O'Hare Intl to Baltimore flights
Dallas/Fort Worth to Baltimore flights
Los Angeles to Baltimore flights
Hobby to Dulles Intl flights
San Francisco to Reagan-National flights
Minneapolis to Reagan-National flights
Tampa to Dulles Intl flights
Denver to Dulles Intl flights
Atlanta to Dulles Intl flights
Atlanta to Reagan-National flights
San Francisco to Baltimore flights
Hobby to Baltimore flights
Hobby to Reagan-National flights
Denver to Reagan-National flights
Seattle to Baltimore flights
Atlanta to Baltimore flights
Orlando to Dulles Intl flights
George Bush Intcntl to Dulles Intl flights
Miami to Dulles Intl flights
Denver to Baltimore flights
Miami to Reagan-National flights
Minneapolis to Dulles Intl flights
Austin to Dulles Intl flights
Portland to Dulles Intl flights
Midway to Dulles Intl flights
John F Kennedy Intl to Dulles Intl flights
Charlotte to Dulles Intl flights
Detroit to Baltimore flights
Tampa to Reagan-National flights
Orlando to Baltimore flights
George Bush Intcntl to Reagan-National flights
George Bush Intcntl to Baltimore flights
Fort Lauderdale to Baltimore flights
Portland to Reagan-National flights
Minneapolis to Baltimore flights
San Diego to Dulles Intl flights
Orlando to Reagan-National flights
Newark to Dulles Intl flights

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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$216Average$348FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$279Average$532FlexibilityNo cancel feeOn-time69%
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