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Sioux Falls

$134+ Cheap flights from Dulles Intl (IAD) to Sioux Falls (FSD)

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FSD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Dulles Intl to Sioux Falls

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Sioux Falls (FSD). 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(United Airlines)

One-way from

$134
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$451
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Sioux Falls Joe Foss Field flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Sioux Falls Joe Foss Field flights.
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From Washington, D.C. Dulles Intl to Sioux Falls Joe Foss Field
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One-way flight from Washington, D.C. Dulles Intl to Sioux Falls Joe Foss Field
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Highest demand for flights based on searches. 9% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Dulles Intl to Sioux Falls

Cheapest flights from Dulles Intl to Sioux Falls
Explore the most affordable flight options available from Dulles Intl to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/30. 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.
Thu 11/205:15 pmIAD - FSD
1 stop5h 31mUnited Airlines
Sat 11/223:15 pmFSD - IAD
1 stop7h 44mUnited Airlines
Deal found 10/30$281
This Delta deal was found by Cheapflights users on 10/30. 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.
Sat 11/225:59 pmIAD - FSD
1 stop6h 10mDelta
Tue 12/25:14 amFSD - IAD
1 stop5h 04mDelta
Deal found 10/30$329
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 11/116:04 amIAD - FSD
1 stop7h 17mAmerican Airlines
Sat 11/151:03 pmFSD - IAD
1 stop8h 25mAmerican Airlines
Deal found 10/29$354
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 12/146:00 amIAD - FSD
1 stop7h 22mAmerican Airlines
Sun 12/211:16 pmFSD - IAD
1 stop8h 49mAmerican Airlines
Deal found 10/29$364
This United Airlines deal was found by Cheapflights users on 10/29. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:30 amIAD - FSD
1 stop5h 12mUnited Airlines
Sun 11/166:23 pmFSD - IAD
1 stop4h 36mUnited Airlines
Deal found 10/29$393
This Delta deal was found by Cheapflights users on 10/30. 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.
Thu 11/205:59 pmIAD - FSD
1 stop6h 10mDelta
Sat 11/223:00 pmFSD - IAD
2 stops7h 19mDelta
Deal found 10/30$394
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Thu 11/138:30 amIAD - FSD
1 stop7h 10mUnited Airlines
Sun 11/166:23 pmFSD - IAD
1 stop4h 36mUnited Airlines
Deal found 10/30$395
This Delta deal was found by Cheapflights users on 10/29. 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.
Wed 11/53:33 pmIAD - FSD
1 stop8h 23mDelta
Mon 11/105:18 amFSD - IAD
1 stop4h 49mDelta
Deal found 10/29$399
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:26 pmIAD - FSD
2 stops25h 31mMultiple Airlines
Sun 12/216:32 pmFSD - IAD
1 stop25h 31mMultiple Airlines
Deal found 10/29$404
This United Airlines deal was found by Cheapflights users on 10/29. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:30 amIAD - FSD
1 stop5h 22mUnited Airlines
Sat 1/36:16 pmFSD - IAD
1 stop4h 59mUnited Airlines
Deal found 10/29$431

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Sioux Falls 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 October 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sioux Falls that are best for you.

Fly from

Dulles Intl

Fly to

Sioux Falls

Route

Depart

Return

Price

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Tue 1/13

5:26 pm-11:06 pm

2 stops6h 40m

Sioux Falls Joe Foss Field

Wed 1/21

5:00 am-1:35 pm

1 stop7h 35m

$264

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Sat 11/22

5:59 pm-11:09 pm

1 stop6h 10m

Sioux Falls Joe Foss Field

Tue 12/2

5:14 am-11:18 am

1 stop5h 04m

$329

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Tue 11/11

6:04 am-12:21 pm

1 stop7h 17m

Sioux Falls Joe Foss Field

Sat 11/15

1:03 pm-10:28 pm

1 stop8h 25m

$354

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Sun 12/14

6:00 am-12:22 pm

1 stop7h 22m

Sioux Falls Joe Foss Field

Sun 12/21

1:16 pm-11:05 pm

1 stop8h 49m

$364

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Fri 11/14

6:30 am-10:42 am

1 stop5h 12m

Sioux Falls Joe Foss Field

Sun 11/16

6:23 pm-11:59 pm

1 stop4h 36m

$393

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Thu 11/20

5:59 pm-11:09 pm

1 stop6h 10m

Sioux Falls Joe Foss Field

Sat 11/22

3:00 pm-11:19 pm

2 stops7h 19m

$394

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Thu 11/13

8:30 am-2:40 pm

1 stop7h 10m

Sioux Falls Joe Foss Field

Sun 11/16

6:23 pm-11:59 pm

1 stop4h 36m

$395

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Wed 11/5

3:33 pm-10:56 pm

1 stop8h 23m

Sioux Falls Joe Foss Field

Mon 11/10

5:18 am-11:07 am

1 stop4h 49m

$399

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Sun 12/14

5:26 pm-5:57 pm

2 stops25h 31m

Sioux Falls Joe Foss Field

Sun 12/21

6:32 pm-9:03 pm

1 stop25h 31m

$404

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Wed 11/5

11:25 am-9:10 pm

2 stops10h 45m

Sioux Falls Joe Foss Field

Mon 11/10

6:30 am-4:49 pm

2 stops9h 19m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 20 results
1
2

Compare providers for flights from Dulles Intl to Sioux Falls

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 Dulles Intl to Sioux Falls in October.
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 Washington, D.C. Dulles Intl Airport-Sioux Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Sioux Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Sioux Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Sioux Falls 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 Washington, D.C. Dulles Intl Airport-Sioux Falls 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 Dulles Intl to Sioux Falls

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

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sioux Falls (average of $195). Flying from Washington, D.C. Dulles Intl Airport to Sioux Falls in December is currently the most expensive (average of $814). 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.

Reviews of airlines servicing Sioux Falls

Get insights into the airlines that provide service to Sioux Falls. 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 Sioux Falls. Reviews last updated October 30, 2025.
Read reviews from past customers who have flown Delta and United Airlines from Washington, D.C. Dulles Intl Airport to Sioux Falls. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

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

    If you book a flight to Sioux Falls from Washington, D.C. Dulles Intl, you will be flying to Joe Foss Field, which is the city’s only airport. Sioux Falls Joe Foss Field (FSD) is located 2.6 mi from the center of Sioux Falls. There are 0 flights from Washington, D.C. Dulles Intl to Joe Foss Field per day from 2 different airlines.

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

    Departing from Washington, D.C. Dulles Intl Airport to Sioux Falls will take you 5h 12m. The distance from Washington, D.C. Dulles Intl Airport to Sioux Falls is about 1048 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $200, Delta will fly you from Washington, D.C. Dulles Intl Airport to Sioux Falls and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $258. Users have found that Delta is 56% cheaper than the other options available to this destination.

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

    $170 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $271 and $271, respectively.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sioux Falls (average of $195). Flying from Washington, D.C. Dulles Intl Airport to Sioux Falls in December is currently the most expensive (average of $814). 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.

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Top 2 airlines flying from Dulles Intl to Sioux Falls

Discover the top 2 airlines that operate flights from Dulles Intl to Sioux Falls. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$200Average$438FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$454FlexibilityNo cancel feeOn-time69%

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