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$88+ Cheap flights from Washington, D.C. (WAS) 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — FSD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Sioux Falls

Cheapest flights from Washington, D.C. to Sioux Falls
Explore the most affordable flight options available from Washington, D.C. to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 12/296:00 amDCA - FSD
1 stop5h 11mAmerican Airlines
Tue 1/66:00 amFSD - DCA
1 stop4h 57mAmerican Airlines
Deal found 12/15$294
This Delta deal was found by Cheapflights users on 12/15. 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.
Mon 12/296:00 amDCA - FSD
1 stop7h 33mDelta
Tue 1/65:00 amFSD - DCA
2 stops7h 52mDelta
Deal found 12/15$334
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/2910:44 amBWI - FSD
1 stop7h 46mUnited Airlines
Tue 1/67:30 amFSD - BWI
1 stop5h 41mUnited Airlines
Deal found 12/16$339
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/2811:55 amDCA - FSD
1 stop8h 04mAmerican Airlines
Tue 1/66:00 amFSD - DCA
1 stop4h 57mAmerican Airlines
Deal found 12/16$339
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/296:30 amIAD - FSD
1 stop5h 22mUnited Airlines
Tue 1/67:30 amFSD - IAD
1 stop7h 30mUnited Airlines
Deal found 12/16$339
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/196:15 amBWI - FSD
1 stop5h 37mUnited Airlines
Wed 1/213:11 pmFSD - BWI
1 stop5h 10mUnited Airlines
Deal found 12/17$345
This Delta deal was found by Cheapflights users on 12/17. 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 12/193:38 pmIAD - FSD
1 stop8h 36mDelta
Wed 1/214:17 pmFSD - IAD
1 stop6h 40mDelta
Deal found 12/17$349
This Delta deal was found by Cheapflights users on 12/16. 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.
Sun 12/282:05 pmDCA - FSD
2 stops10h 03mDelta
Tue 1/65:00 amFSD - DCA
1 stop5h 00mDelta
Deal found 12/16$364
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/198:15 amIAD - FSD
1 stop7h 12mUnited Airlines
Wed 12/313:08 pmFSD - IAD
1 stop5h 13mUnited Airlines
Deal found 12/17$364
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/255:31 pmIAD - FSD
1 stop5h 25mUnited Airlines
Wed 12/313:08 pmFSD - IAD
1 stop5h 13mUnited Airlines
Deal found 12/17$369
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/199:55 amBWI - FSD
1 stop7h 36mUnited Airlines
Wed 12/313:08 pmFSD - BWI
1 stop5h 18mUnited Airlines
Deal found 12/17$401
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/165:00 pmDCA - FSD
1 stop5h 50mUnited Airlines
Mon 12/227:30 amFSD - DCA
1 stop5h 47mUnited Airlines
Deal found 12/15$409

Find flight deals from Washington, D.C. to Sioux Falls

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$270
(United Airlines)

One-way from

$88
(Expedia)

Popular in

April

Cheapest in

February

Average price

$354
Provider with most accurate pricing for Washington, D.C. (WAS)-Sioux Falls Joe Foss Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sioux Falls Joe Foss Field flights.
Search Deals
From Washington, D.C. (WAS) to Sioux Falls Joe Foss Field
Search Deals
One-way flight from Washington, D.C. (WAS) to Sioux Falls Joe Foss Field
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 December 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Sioux Falls that are best for you.

Fly from

Washington, D.C.

Fly to

Sioux Falls

Route

Depart

Return

Price

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Wed 1/14

4:10 pm-11:44 pm

1 stop8h 34m

Sioux Falls Joe Foss Field

Wed 1/21

3:11 pm-9:21 pm

1 stop5h 10m

$275

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Wed 1/14

7:00 am-12:22 pm

1 stop6h 22m

Sioux Falls Joe Foss Field

Wed 1/21

4:17 pm-11:57 pm

1 stop6h 40m

$279

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Thu 1/1

6:00 am-12:28 pm

1 stop7h 28m

Sioux Falls Joe Foss Field

Mon 1/5

6:00 am-2:21 pm

1 stop7h 21m

$290

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Thu 1/15

6:00 am-11:51 am

1 stop6h 51m

Sioux Falls Joe Foss Field

Wed 1/21

12:26 pm-5:52 pm

1 stop4h 26m

$291

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Fri 1/2

4:05 pm-11:55 pm

1 stop8h 50m

Sioux Falls Joe Foss Field

Tue 1/6

7:30 am-2:11 pm

1 stop5h 41m

$294

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Mon 12/29

6:00 am-10:11 am

1 stop5h 11m

Sioux Falls Joe Foss Field

Tue 1/6

6:00 am-11:57 am

1 stop4h 57m

$294

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Mon 1/5

6:30 am-10:52 am

1 stop5h 22m

Sioux Falls Joe Foss Field

Mon 1/12

7:30 am-4:00 pm

1 stop7h 30m

$294

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Fri 1/2

6:00 am-10:26 am

1 stop5h 26m

Sioux Falls Joe Foss Field

Tue 1/6

4:17 pm-11:26 pm

1 stop6h 09m

$309

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Fri 1/2

6:00 am-12:33 pm

1 stop7h 33m

Sioux Falls Joe Foss Field

Tue 1/6

4:17 pm-11:57 pm

1 stop6h 40m

$309

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Thu 2/12

11:59 am-7:06 pm

1 stop8h 07m

Sioux Falls Joe Foss Field

Mon 2/16

1:12 pm-11:01 pm

1 stop8h 49m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 40 results
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Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Sioux Falls in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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.-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.-Sioux Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Sioux Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-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.-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 Washington, D.C. to Sioux Falls

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

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Sioux Falls (average of $138). Flying from Washington, D.C. to Sioux Falls in October is currently the most expensive (average of $293). 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 WAS to FSD?

Find hourly flight availability from Washington, D.C. to Sioux Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s typically best to fly out from Washington, D.C. to Sioux Falls in the evening. Doing so could potentially save you 17% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 December 18, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Sioux Falls, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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
8,005 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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
9,092 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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.
American Airlines
7.2
Good
11,055 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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.
Frontier
5.8
Fair
3,081 reviews
Delta
7.9
Good
8,005 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

Crew

8.5

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 Washington, D.C. 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.?

    Sioux Falls Joe Foss Field (FSD), located 2.6 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Sioux Falls. 3 airlines have flights to Joe Foss Field from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Sioux Falls Joe Foss Field should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.

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

    Departing from Washington, D.C. to Sioux Falls will take you 6h 22m. Airlines will cover a distance of 1048 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 flying from Washington, D.C. to Sioux Falls round-trip?

    Currently priced at $200, Delta will fly you from Washington, D.C. to Sioux Falls and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $258 and $258, respectively. Users have found that Delta is 46% cheaper than the other options available to this destination.

  • What are the most popular routes from Washington, D.C. to Sioux Falls?

    While some choose either Washington, D.C. Reagan-National - Sioux Falls Joe Foss Field or Baltimore/Washington - Sioux Falls Joe Foss Field, Washington, D.C. Dulles Intl - Sioux Falls Joe Foss Field is the most popular route from Washington, D.C. to Sioux Falls.

  • Can I find deals for flights from Washington, D.C. to Sioux Falls that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to Sioux Falls?

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

  • Can I find deals for business class flights from Washington, D.C. to Sioux Falls?

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

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Sioux Falls (average of $138). Flying from Washington, D.C. to Sioux Falls in October is currently the most expensive (average of $293). 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

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Top 3 airlines flying from Washington, D.C. to Sioux Falls

Discover the top 3 airlines that operate flights from Washington, D.C. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$200Average$402FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$452FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$440FlexibilityNo cancel feeOn-time71%

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