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

Delta, at $377, 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 American Airlines and United Airlines. Delta is currently priced 17% 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.

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 $382. You can even find prices in November for less than $382, 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 78%.

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

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Cheap flight deals from Sioux Falls to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$377 (Delta)
One-way from	$189 (Delta)
Popular in	February
Cheapest in	December
Average price	$673

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.

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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

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 abril 11, 2025.

mar. 5/274:20 pmFSD - IAD

1 stop6h 14mDelta

vie. 5/305:40 pmIAD - FSD

1 stop6h 45mDelta

Deal found 4/11

$377

mié. 6/41:32 pmFSD - IAD

1 stop8h 25mAmerican Airlines

mar. 6/101:08 pmIAD - FSD

2 stops9h 39mAmerican Airlines

Deal found 4/10

$413

mié. 5/287:19 pmFSD - IAD

3 stops39h 05mMultiple Airlines

dom. 6/13:17 pmIAD - FSD

2 stops30h 20mMultiple Airlines

Deal found 4/9

$484

sáb. 5/245:03 pmFSD - IAD

1 stop6h 31mUnited Airlines

jue. 5/296:48 amIAD - FSD

1 stop4h 57mUnited Airlines

Deal found 4/9

$548

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 abril 11, 2025.

mar. 5/274:20 pmFSD - IAD

1 stop6h 14mDelta

vie. 5/3011:56 amIAD - FSD

1 stop4h 40mDelta

Deal found 4/10

$377

mié. 6/41:32 pmFSD - IAD

1 stop8h 25mAmerican Airlines

mar. 6/101:08 pmIAD - FSD

2 stops9h 39mAmerican Airlines

Deal found 4/10

$413

mié. 5/287:19 pmFSD - IAD

3 stops39h 05mMultiple Airlines

dom. 6/13:17 pmIAD - FSD

2 stops30h 20mMultiple Airlines

Deal found 4/9

$484

sáb. 5/245:03 pmFSD - IAD

1 stop6h 31mUnited Airlines

jue. 5/296:48 amIAD - FSD

1 stop4h 57mUnited Airlines

Deal found 4/9

$548

Last-minute flights from Sioux Falls to Dulles Intl
Discover last-minute flight deals from Sioux Falls to Dulles Intl. Data last updated abril 11, 2025 and is based on user searches.

sáb. 5/241:32 pmFSD - IAD

1 stop8h 25mAmerican Airlines

vie. 5/306:17 amIAD - FSD

1 stop7h 45mAmerican Airlines

Deal found 4/9

$468

sáb. 5/245:03 pmFSD - IAD

1 stop6h 31mUnited Airlines

jue. 5/296:48 amIAD - FSD

1 stop4h 57mUnited Airlines

Deal found 4/9

$548

mar. 5/274:20 pmFSD - IAD

1 stop6h 14mDelta

vie. 5/3011:56 amIAD - FSD

1 stop4h 40mDelta

Deal found 4/10

$377

mié. 5/287:19 pmFSD - IAD

3 stops39h 05mMultiple Airlines

dom. 6/13:17 pmIAD - FSD

2 stops30h 20mMultiple Airlines

Deal found 4/9

$484

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 abril 11, 2025.

mié. 6/45:00 amFSD - IAD

1 stop5h 16mDelta

Deal found 4/10

$189

mié. 6/41:32 pmFSD - IAD

2 stops9h 30mAmerican Airlines

Deal found 4/10

$255

lun. 7/149:15 amFSD - IAD

1 stop25h 12mUnited Airlines

Deal found 4/10

$287

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

mar. 5/27

4:20 pm-11:34 pm

1 stop6h 14m

Washington, D.C. Dulles Intl

vie. 5/30

11:56 am-3:36 pm

1 stop4h 40m

$377

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

mié. 6/4

1:32 pm-10:57 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

mar. 6/10

1:08 pm-9:47 pm

2 stops9h 39m

$413

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

mié. 5/28

7:19 pm-11:24 am

3 stops39h 05m

Washington, D.C. Dulles Intl

dom. 6/1

3:17 pm-8:37 pm

2 stops30h 20m

$484

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

sáb. 5/24

5:03 pm-12:34 am

1 stop6h 31m

Washington, D.C. Dulles Intl

jue. 5/29

6:48 am-10:45 am

1 stop4h 57m

$548

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

mié. 6/4

5:00 am-11:16 am

1 stop5h 16m

$189

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

mié. 6/4

1:32 pm-12:02 am

2 stops9h 30m

$255

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

lun. 7/14

9:15 am-11:27 am

1 stop25h 12m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

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 April.

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 $383). 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

Delta

8.0

Very good

7,911 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

7,911 reviews

Delta

8.0

Very good

7,911 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

8,636 reviews

Delta

8.0

Very good

7,911 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

7,911 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?
Delta, at $377, 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 American Airlines and United Airlines. Delta is currently priced 17% 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 $383). 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 Sioux Falls to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$216	Average$358	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$279	Average$493	FlexibilityNo cancel fee	On-time69%

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$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 6/4. 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

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2. Select your favorite providers

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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 abril 11, 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 abril 11, 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 April.

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 abril 11, 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

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?

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Alternative routes for Sioux Falls to Dulles Intl

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Top 2 airlines flying from Sioux Falls to Dulles Intl

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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 abril 11, 2025.