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Dulles Intl

$199+ Cheap flights from Sioux Falls (FSD) 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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — IAD
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap flight deals from Sioux Falls to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) 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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(United Airlines)

One-way from

$199
(Mytrip)

Popular in

February

Cheapest in

December

Average price

$424
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Washington, D.C. Dulles Intl flights.
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From Sioux Falls Joe Foss Field to Washington, D.C. Dulles Intl
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One-way flight from Sioux Falls Joe Foss Field to Washington, D.C. Dulles Intl
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Sioux Falls to Dulles Intl

Cheapest flights from Sioux Falls to Dulles Intl
Explore the most affordable flight options available from Sioux Falls to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Delta deal was found by Cheapflights users on 11/4. 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.
Fri 12/510:57 amFSD - IAD
1 stop6h 15mDelta
Tue 12/96:03 amIAD - FSD
1 stop5h 17mDelta
Deal found 11/4$259
This Delta deal was found by Cheapflights users on 11/5. 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.
Fri 12/55:14 amFSD - IAD
1 stop5h 04mDelta
Sat 1/3112:38 pmIAD - FSD
2 stops11h 28mDelta
Deal found 11/5$264
This Delta deal was found by Cheapflights users on 11/6. 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.
Thu 12/44:25 pmFSD - IAD
1 stop6h 37mDelta
Sat 12/66:03 amIAD - FSD
1 stop5h 17mDelta
Deal found 11/6$279
This Delta deal was found by Cheapflights users on 11/5. 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.
Thu 11/205:05 amFSD - IAD
1 stop5h 34mDelta
Sun 11/235:59 pmIAD - FSD
1 stop6h 10mDelta
Deal found 11/5$309
This Delta deal was found by Cheapflights users on 11/6. 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.
Wed 12/311:00 amFSD - IAD
1 stop6h 12mDelta
Fri 12/56:56 pmIAD - FSD
1 stop16h 24mDelta
Deal found 11/6$338
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Fri 11/73:15 pmFSD - IAD
1 stop5h 08mUnited Airlines
Wed 12/316:30 amIAD - FSD
1 stop5h 22mUnited Airlines
Deal found 11/6$339
This Delta deal was found by Cheapflights users on 11/6. 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.
Fri 11/215:18 amFSD - IAD
1 stop4h 49mDelta
Tue 11/256:03 amIAD - FSD
1 stop5h 15mDelta
Deal found 11/6$354
This Delta deal was found by Cheapflights users on 11/6. 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.
Thu 12/44:25 pmFSD - IAD
1 stop6h 37mDelta
Fri 12/56:56 pmIAD - FSD
1 stop16h 24mDelta
Deal found 11/6$358
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:36 amFSD - IAD
1 stop21h 05mMultiple Airlines
Sat 12/69:20 pmIAD - FSD
2 stops17h 11mMultiple Airlines
Deal found 11/6$384
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Mon 12/16:23 pmFSD - IAD
1 stop4h 36mUnited Airlines
Sat 12/65:15 pmIAD - FSD
1 stop5h 36mUnited Airlines
Deal found 11/6$389
This Delta deal was found by Cheapflights users on 11/5. 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.
Fri 11/215:18 amFSD - IAD
1 stop4h 49mDelta
Sun 11/236:03 amIAD - FSD
1 stop5h 15mDelta
Deal found 11/5$394

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux Falls 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 November 6, 2025.
Use the filters below to find and compare flights from Sioux Falls to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Sioux Falls

Fly to

Dulles Intl

Route

Depart

Return

Price

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Thu 1/22

7:30 am-4:00 pm

1 stop7h 30m

Washington, D.C. Dulles Intl

Sat 1/24

5:17 pm-9:50 pm

1 stop5h 33m

$259

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 12/3

11:00 am-6:12 pm

1 stop6h 12m

Washington, D.C. Dulles Intl

Sat 12/6

6:03 am-10:20 am

1 stop5h 17m

$259

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Thu 12/4

4:25 pm-12:02 am

1 stop6h 37m

Washington, D.C. Dulles Intl

Sun 12/7

6:03 am-12:48 pm

1 stop7h 45m

$259

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 1/7

3:11 pm-9:17 pm

1 stop5h 06m

Washington, D.C. Dulles Intl

Sun 1/11

5:17 pm-9:50 pm

1 stop5h 33m

$259

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Thu 12/4

4:25 pm-12:02 am

1 stop6h 37m

Washington, D.C. Dulles Intl

Wed 12/10

6:56 pm-11:12 pm

1 stop5h 16m

$259

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 12/5

6:08 pm-11:55 pm

1 stop4h 47m

Washington, D.C. Dulles Intl

Sat 1/31

5:17 pm-9:50 pm

1 stop5h 33m

$259

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 12/5

10:57 am-6:12 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Tue 12/9

6:03 am-10:20 am

1 stop5h 17m

$259

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 12/5

5:14 am-11:18 am

1 stop5h 04m

Washington, D.C. Dulles Intl

Sat 1/31

12:38 pm-11:06 pm

2 stops11h 28m

$264

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Thu 1/22

1:02 pm-12:24 am

2 stops10h 22m

Washington, D.C. Dulles Intl

Sat 1/24

12:38 pm-11:06 pm

2 stops11h 28m

$269

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 12/5

1:09 pm-10:59 pm

1 stop8h 50m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 14 results
1
2

Compare providers for flights from Sioux Falls to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sioux Falls to Dulles Intl in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sioux Falls-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Sioux Falls-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Sioux Falls-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sioux Falls-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sioux Falls to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Sioux Falls 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 Sioux Falls to Washington, D.C. Dulles Intl Airport

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

Currently, April is the cheapest month in which you can book a flight from Sioux Falls to Washington, D.C. Dulles Intl Airport (average of $239). Flying from Sioux Falls to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $736). 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.

How much does it cost to fly round-trip from Sioux Falls to Washington, D.C. Dulles Intl Airport?

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 November 6, 2025.
Peruse reviews from past customers who have flown with Delta and United Airlines from Sioux Falls to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,001 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,007 reviews
Delta
7.9
Good
8,001 reviews

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Sioux Falls 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 airport do you fly from for flights from Sioux Falls to Washington, D.C. Dulles Intl?

    For a flight from Sioux Falls to Washington, D.C. Dulles Intl, you will be flying from Joe Foss Field. Sioux Falls Joe Foss Field (FSD) is just 2.6 mi from the center of the city. Joe Foss Field is the only Sioux Falls airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 2 airlines have flights to Washington, D.C. Dulles Intl from Sioux Falls Joe Foss Field on a regular basis.

  • How long is the flight from Sioux Falls to Washington, D.C. Dulles Intl Airport?

    Departing from Sioux Falls to Washington, D.C. Dulles Intl Airport will take you 6h 12m. There are 1048 mi between Sioux Falls and Washington, D.C. Dulles Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Sioux Falls to Washington, D.C. Dulles Intl Airport round-trip?

    Delta, at $273, was found to be the cheapest airline from Sioux Falls to Washington, D.C. Dulles Intl Airport. An alternate airline flying to your destination would be United Airlines. Delta is currently priced 45% below the average price you’ll pay for this route.

  • Can I find deals for flights from Sioux Falls to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from Sioux Falls to Dulles Intl?

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

  • Can I find deals for business class flights from Sioux Falls to Dulles Intl?

    Yes. Cheapflights offers flight deals from Sioux Falls 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 Sioux Falls to Washington, D.C. Dulles Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Sioux Falls to Washington, D.C. Dulles Intl Airport (average of $239). Flying from Sioux Falls to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $736). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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Top 2 airlines flying from Sioux Falls to Dulles Intl

Discover the top 2 airlines that operate flights from Sioux Falls 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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$273Average$413FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$324Average$498FlexibilityNo cancel feeOn-time69%

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