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

American Airlines, at $428, was found to be the cheapest airline from Sioux Falls to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include United Airlines and Delta. American Airlines is currently priced 1% below the average price you’ll pay for this route.

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

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $189. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Sioux Falls to Washington, D.C. Dulles Intl Airport for a low price.

What is the cheapest day to fly from Sioux Falls to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Sioux Falls to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Sioux Falls to Washington, D.C. Dulles Intl Airport?

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Washington, D.C. Dulles Intl Airport. Check prices with Cheapflights to find a great deal for your trip.

How far in advance should I book a flight from Sioux Falls to Washington, D.C. Dulles Intl Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 33 days in advance, which can save you up to 313% on flights from Sioux Falls to Washington, D.C. Dulles Intl Airport compared to booking the week you need them. Waiting 33 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $288. For sooner than that we have options available in the next 3 days from $408.

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

The best pricing can be found in the month of November. Prices to Washington, D.C. Dulles Intl Airport from Sioux Falls average $375. You can even find prices in November for less than $375, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as $246. The month of February appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from Sioux Falls. Flying in the targeted month can save you up to 82%.

Most accurate provider : When it comes to deals on Sioux Falls-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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.

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.

$189+ Flights from Sioux Falls to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Sioux Falls to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Sioux Falls to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$428 (American Airlines)
One-way from	$189 (Delta)
Popular in	February
Cheapest in	December
Average price	$403

Provider with most accurate pricing for Sioux Falls Joe Foss Field-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Washington, D.C. Dulles Intl flights.

Search Deals

From Sioux Falls Joe Foss Field to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Sioux Falls Joe Foss Field to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($47 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

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 March 25, 2025.

Tue 5/271:32 pmFSD - IAD

1 stop8h 25mAmerican Airlines

Fri 5/306:17 amIAD - FSD

1 stop7h 45mAmerican Airlines

Deal found 3/24

$428

Fri 8/228:00 amFSD - IAD

1 stop6h 52mUnited Airlines

Wed 8/275:10 pmIAD - FSD

1 stop6h 02mUnited Airlines

Deal found 3/23

$432

Thu 5/15:05 amFSD - IAD

1 stop5h 18mDelta

Thu 5/86:25 amIAD - FSD

1 stop6h 39mDelta

Deal found 3/24

$487

Thu 5/111:20 amFSD - IAD

2 stops24h 30mMultiple Airlines

Thu 5/88:25 amIAD - FSD

3 stops25h 45mMultiple Airlines

Deal found 3/24

$591

Best flights from Sioux Falls to Dulles Intl
Discover carefully curated flight deals from Sioux Falls to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2025.

Tue 5/271:32 pmFSD - IAD

1 stop8h 25mAmerican Airlines

Fri 5/306:17 amIAD - FSD

1 stop7h 45mAmerican Airlines

Deal found 3/24

$428

Fri 8/228:00 amFSD - IAD

1 stop6h 52mUnited Airlines

Wed 8/275:10 pmIAD - FSD

1 stop6h 02mUnited Airlines

Deal found 3/23

$432

Thu 5/15:05 amFSD - IAD

1 stop5h 18mDelta

Thu 5/86:25 amIAD - FSD

1 stop6h 39mDelta

Deal found 3/24

$487

Thu 5/111:20 amFSD - IAD

2 stops24h 30mMultiple Airlines

Thu 5/88:25 amIAD - FSD

3 stops25h 45mMultiple Airlines

Deal found 3/24

$591

Last-minute flights from Sioux Falls to Dulles Intl
Discover last-minute flight deals from Sioux Falls to Dulles Intl. Data last updated March 25, 2025 and is based on user searches.

Fri 4/48:00 amFSD - IAD

2 stops12h 20mUnited Airlines

Sun 4/66:20 amIAD - FSD

1 stop5h 19mUnited Airlines

Deal found 3/24

$677

Fri 4/44:23 pmFSD - IAD

1 stop6h 02mDelta

Sun 4/66:09 amIAD - FSD

1 stop4h 58mDelta

Deal found 3/24

$687

Fri 4/251:22 pmFSD - IAD

2 stops9h 34mAmerican Airlines

Mon 4/286:18 amIAD - FSD

1 stop7h 30mAmerican Airlines

Deal found 3/24

$492

Fri 4/255:00 amFSD - IAD

1 stop5h 09mDelta

Mon 4/285:32 pmIAD - FSD

1 stop6h 44mDelta

Deal found 3/24

$507

Fri 4/256:30 pmFSD - IAD

2 stops16h 29mUnited Airlines

Mon 4/2810:24 pmIAD - FSD

2 stops24h 48mUnited Airlines

Deal found 3/24

$516

One-way flights from Sioux Falls to Dulles Intl
Search for one-way flight options from Sioux Falls to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated March 25, 2025.

Wed 4/235:05 amFSD - IAD

1 stop5h 18mDelta

Deal found 3/24

$189

Wed 6/41:32 pmFSD - IAD

1 stop8h 25mAmerican Airlines

Deal found 3/24

$220

Fri 5/236:35 pmFSD - IAD

2 stops16h 11mUnited Airlines

Deal found 3/24

$370

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Tue 5/27

1:32 pm-10:57 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

Fri 5/30

6:17 am-1:02 pm

1 stop7h 45m

$428

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 8/22

8:00 am-3:52 pm

1 stop6h 52m

Washington, D.C. Dulles Intl

Wed 8/27

5:10 pm-10:12 pm

1 stop6h 02m

$432

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Thu 5/1

5:05 am-11:23 am

1 stop5h 18m

Washington, D.C. Dulles Intl

Thu 5/8

6:25 am-12:04 pm

1 stop6h 39m

$487

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Thu 5/1

11:20 am-12:50 pm

2 stops24h 30m

Washington, D.C. Dulles Intl

Thu 5/8

8:25 am-9:10 am

3 stops25h 45m

$591

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 4/23

5:05 am-11:23 am

1 stop5h 18m

$189

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 6/4

1:32 pm-10:57 pm

1 stop8h 25m

$220

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 5/23

6:35 pm-11:46 am

2 stops16h 11m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from Sioux Falls to Dulles Intl

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, August is the cheapest month in which you can book a flight from Sioux Falls to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Sioux Falls to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $387). 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 FSD to IAD?

It’s optimal to fly from Sioux Falls to Washington, D.C. Dulles Intl Airport at noon. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight in the morning.

Rainfall in Dulles Intl 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

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

Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Sioux Falls to Washington, D.C.. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,890 reviews

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

7,890 reviews

Delta

8.0

Very good

7,890 reviews

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

8,605 reviews

Delta

8.0

Very good

7,890 reviews

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

7,890 reviews

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

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.
What are the cheapest airlines flying from Sioux Falls to Washington, D.C. Dulles Intl Airport round-trip?
American Airlines, at $428, was found to be the cheapest airline from Sioux Falls to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include United Airlines and Delta. American Airlines is currently priced 1% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Sioux Falls to Washington, D.C. Dulles Intl Airport one-way?
The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $189. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Sioux Falls to Washington, D.C. Dulles Intl Airport for a low price.
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, August is the cheapest month in which you can book a flight from Sioux Falls to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Sioux Falls to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $387). 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

Arlington

Alexandria

Fairfax

Tysons

Springfield

Rockville

Woodbridge

Gaithersburg

Fredericksburg

Linthicum Heights

Silver Spring

Falls Church

Laurel

Easton

Herndon

Sterling

Bowie

Gettysburg

National Harbor

Oxon Hill

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Sioux Falls to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$216	Average$348	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$279	Average$493	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$189+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sioux Falls to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sioux Falls to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Sioux Falls to Dulles Intl

Cheapest flights from Sioux Falls to Dulles IntlExplore 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 March 25, 2025.

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 March 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sioux Falls to Washington, D.C. Dulles Intl Airport that are best for you.

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 March.

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.

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?

What is the cheapest time of day to fly from FSD to IAD?

Find hourly flight availability from Sioux Falls 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 25, 2025.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Sioux Falls to Washington, D.C.. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

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

Traveling to a place near Sioux Falls?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sioux Falls to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Sioux Falls to Dulles Intl

100% Free

Book with Flexibility

Travel Smart

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 March 25, 2025.