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Sioux Falls

$210+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — FSD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$259
(Delta)

One-way from

$210
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$545
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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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/12. 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 7/246:20 amIAD - FSD
1 stop7h 01mDelta
Wed 7/306:16 pmFSD - IAD
1 stop4h 09mDelta
Deal found 6/12$259
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/185:13 pmIAD - FSD
1 stop6h 09mUnited Airlines
Tue 7/227:55 amFSD - IAD
1 stop4h 54mUnited Airlines
Deal found 6/10$299
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 7/121:19 pmIAD - FSD
2 stops10h 30mAmerican Airlines
Tue 7/221:16 pmFSD - IAD
2 stops9h 42mAmerican Airlines
Deal found 6/10$383
This Mytrip deal was found by Cheapflights users on 6/10. 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 7/188:25 amIAD - FSD
3 stops32h 22mMultiple Airlines
Wed 7/231:42 pmFSD - IAD
2 stops21h 01mMultiple Airlines
Deal found 6/10$441
This Frontier deal was found by Cheapflights users on 6/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/219:33 pmIAD - FSD
2 stops16h 50mFrontier
Sun 8/242:08 pmFSD - IAD
2 stops15h 22mFrontier
Deal found 6/10$485

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 June 12, 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

Thu 7/24

6:20 am-12:21 pm

1 stop7h 01m

Sioux Falls Joe Foss Field

Wed 7/30

6:16 pm-11:25 pm

1 stop4h 09m

$259

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Fri 7/18

5:13 pm-10:22 pm

1 stop6h 09m

Sioux Falls Joe Foss Field

Wed 7/23

7:55 am-1:49 pm

1 stop4h 54m

$299

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Sat 7/12

1:19 pm-10:49 pm

2 stops10h 30m

Sioux Falls Joe Foss Field

Tue 7/22

1:16 pm-11:58 pm

2 stops9h 42m

$383

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Fri 7/18

8:25 am-3:47 pm

3 stops32h 22m

Sioux Falls Joe Foss Field

Wed 7/23

1:42 pm-11:43 am

2 stops21h 01m

$441

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Thu 8/21

9:33 pm-1:23 pm

2 stops16h 50m

Sioux Falls Joe Foss Field

Sun 8/24

2:08 pm-6:30 am

2 stops15h 22m

$485

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Thu 7/10

9:05 pm-7:16 pm

2 stops23h 11m

$210

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Thu 7/10

8:25 am-11:07 am

3 stops27h 42m

$229

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Fri 7/4

5:29 pm-11:10 pm

1 stop6h 41m

$231

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Sun 7/6

7:46 pm-6:37 pm

2 stops23h 51m

$282

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Tue 6/17

1:08 pm-9:47 pm

2 stops9h 39m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results
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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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sioux Falls (average of $334). Flying from Washington, D.C. Dulles Intl Airport to Sioux Falls in December is currently the most expensive (average of $446). 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.

Rainfall in Sioux Falls by month

Plan your trip to Sioux Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sioux Falls ranges from 0.6 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Sioux Falls when rainfall is around 0.6 in.

Temperature in Sioux Falls by month

Plan your trip to Sioux Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sioux Falls, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

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 June 12, 2025.
To help decide which airline to fly from Washington, D.C. to Sioux Falls, see what other customers have to say about Alaska Airlines, Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    Currently priced at $259, 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. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $299 and $383, respectively. Users have found that Delta is 49% 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?

    $210 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 Delta and Frontier, with prices starting from $231 and $282, 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sioux Falls (average of $334). Flying from Washington, D.C. Dulles Intl Airport to Sioux Falls in December is currently the most expensive (average of $446). 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 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$441FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$311Average$503FlexibilityNo cancel feeOn-time69%

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