Cheap flights from Sioux Falls to Washington, D.C. from $187

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sioux Falls to Washington, D.C. departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Sioux Falls to Washington, D.C. (FSD-IAD)

Cheap round-trip flights

United Airlines Logo
7:30 am - 4:00 pmFSD-IAD
7h 30m1 stop
United Airlines Logo
5:17 pm - 9:50 pmIAD-FSD
5h 33m1 stop
$259United Airlines
Find Deal
Fri, Jan 23 - Sun, Jan 25
Delta Logo
1:20 pm - 12:07 amFSD-IAD
9h 47m2 stops
Delta Logo
6:15 am - 10:07 amIAD-FSD
4h 52m1 stop
$264Delta
Find Deal
Fri, Jan 23 - Sun, Jan 25
Delta Logo
5:15 am - 4:30 pmFSD-IAD
10h 15m2 stops
Delta Logo
11:00 am - 7:18 pmIAD-FSD
9h 18m2 stops
$269Delta
Find Deal
Sat, Feb 7 - Sat, Feb 14
Delta Logo
1:20 pm - 7:00 pmFSD-IAD
4h 40m1 stop
Delta Logo
6:15 am - 12:35 pmIAD-FSD
7h 20m1 stop
$279Delta
Find Deal
Sat, Feb 7 - Sat, Feb 14
United Airlines Logo
8:00 am - 1:51 pmFSD-IAD
4h 51m1 stop
United Airlines Logo
5:15 pm - 10:22 pmIAD-FSD
6h 07m1 stop
$285United Airlines
Find Deal
Wed, Oct 15 - Sat, Oct 18
Delta Logo
1:20 pm - 12:07 amFSD-IAD
9h 47m2 stops
Delta Logo
6:10 am - 12:35 pmIAD-FSD
7h 25m2 stops
$289Delta
Find Deal
Fri, Jan 23 - Sun, Jan 25
American Airlines Logo
7:00 am - 4:47 pmFSD-IAD
8h 47m1 stop
American Airlines Logo
6:25 am - 12:38 pmIAD-FSD
7h 13m1 stop
$316American Airlines
Find Deal
Sat, Sep 27 - Tue, Sep 30
Delta Logo
5:15 am - 11:29 amFSD-IAD
5h 14m1 stop
Delta Logo
6:07 am - 12:21 pmIAD-FSD
7h 14m1 stop
$319Delta
Find Deal
Thu, Dec 18 - Tue, Dec 30
American Airlines Logo
5:33 pm - 1:49 pmFSD-IAD
19h 16m2 stops
American Airlines Logo
7:21 pm - 12:38 pmIAD-FSD
18h 17m2 stops
$374American Airlines
Find Deal
Fri, Sep 26 - Mon, Sep 29
Frontier Logo
2:54 pm - 12:02 pmFSD-IAD
20h 08m2 stops
Frontier Logo
10:09 pm - 2:09 pmIAD-FSD
17h 00m2 stops
$490Frontier
Find Deal
Fri, Sep 26 - Sun, Sep 28

United Airlines flights from Sioux Falls to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Sioux Falls to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jan 23
FSD7:30 amSioux Falls Joe Foss Field
7h 30m
1 stop
IAD4:00 pmWashington, D.C. Dulles Intl
Jan 25
IAD5:17 pmWashington, D.C. Dulles Intl
5h 33m
1 stop
FSD9:50 pmSioux Falls Joe Foss Field
United Airlines
Oct 15
FSD8:00 amSioux Falls Joe Foss Field
4h 51m
1 stop
IAD1:51 pmWashington, D.C. Dulles Intl
Oct 18
IAD5:15 pmWashington, D.C. Dulles Intl
6h 07m
1 stop
FSD10:22 pmSioux Falls Joe Foss Field
United Airlines
Nov 6
FSD6:23 pmSioux Falls Joe Foss Field
4h 36m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
Nov 9
IAD6:30 amWashington, D.C. Dulles Intl
5h 12m
1 stop
FSD10:42 amSioux Falls Joe Foss Field

Delta flights from Sioux Falls to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Sioux Falls to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Jan 23
FSD1:20 pmSioux Falls Joe Foss Field
9h 47m
2 stops
IAD12:07 amWashington, D.C. Dulles Intl
Jan 25
IAD6:15 amWashington, D.C. Dulles Intl
4h 52m
1 stop
FSD10:07 amSioux Falls Joe Foss Field
Delta
Feb 7
FSD5:15 amSioux Falls Joe Foss Field
10h 15m
2 stops
IAD4:30 pmWashington, D.C. Dulles Intl
Feb 14
IAD11:00 amWashington, D.C. Dulles Intl
9h 18m
2 stops
FSD7:18 pmSioux Falls Joe Foss Field
Delta
Feb 7
FSD1:20 pmSioux Falls Joe Foss Field
4h 40m
1 stop
IAD7:00 pmWashington, D.C. Dulles Intl
Feb 14
IAD6:15 amWashington, D.C. Dulles Intl
7h 20m
1 stop
FSD12:35 pmSioux Falls Joe Foss Field

momondo Fare Finder

 
Customize your flight search to find flights from Sioux Falls to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated August 24, 2025.
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

Fri 1/23

7:30 am-4:00 pm

1 stop7h 30m

Washington, D.C. Dulles Intl

Sun 1/25

5:17 pm-9:50 pm

1 stop5h 33m

$259

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 1/23

1:20 pm-12:07 am

2 stops9h 47m

Washington, D.C. Dulles Intl

Sun 1/25

6:15 am-10:07 am

1 stop4h 52m

$264

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Sat 2/7

5:15 am-4:30 pm

2 stops10h 15m

Washington, D.C. Dulles Intl

Sat 2/14

11:00 am-7:18 pm

2 stops9h 18m

$269

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Sat 2/7

1:20 pm-7:00 pm

1 stop4h 40m

Washington, D.C. Dulles Intl

Sat 2/14

6:15 am-12:35 pm

1 stop7h 20m

$279

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 10/15

8:00 am-1:51 pm

1 stop4h 51m

Washington, D.C. Dulles Intl

Sat 10/18

5:15 pm-10:22 pm

1 stop6h 07m

$285

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 1/23

1:20 pm-12:07 am

2 stops9h 47m

Washington, D.C. Dulles Intl

Sun 1/25

6:10 am-12:35 pm

2 stops7h 25m

$289

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Sat 9/27

7:00 am-4:47 pm

1 stop8h 47m

Washington, D.C. Dulles Intl

Tue 9/30

6:25 am-12:38 pm

1 stop7h 13m

$316

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Thu 12/18

5:15 am-11:29 am

1 stop5h 14m

Washington, D.C. Dulles Intl

Tue 12/30

6:07 am-12:21 pm

1 stop7h 14m

$319

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 9/26

5:33 pm-1:49 pm

2 stops19h 16m

Washington, D.C. Dulles Intl

Mon 9/29

7:21 pm-12:38 pm

2 stops18h 17m

$374

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 9/26

2:54 pm-12:02 pm

2 stops20h 08m

Washington, D.C. Dulles Intl

Sun 9/28

10:09 pm-2:09 pm

2 stops17h 00m

$490

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Sioux Falls to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Sioux Falls and Washington, D.C. Dulles Intl Airport?

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

In general, December is the cheapest month to fly from Sioux Falls to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $278. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of December, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $288.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $329. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Sioux Falls to Washington, D.C. Dulles Intl Airport for around $796.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Sioux Falls in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $348 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $382 on average. Flights to Washington, D.C. Dulles Intl Airport from Sioux Falls in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Sioux Falls to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sioux Falls to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sioux Falls to Washington, D.C. Dulles Intl Airport (FSD to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sioux Falls to Washington, D.C. Dulles Intl Airport

Direct flights

None
There are no direct flights from Sioux Falls to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Sioux Falls to Washington, D.C. Dulles Intl Airport.
  • How far is Sioux Falls Joe Foss Field to Washington, D.C. Dulles Intl by plane?

    The distance between Sioux Falls Joe Foss Field and Washington, D.C. Dulles Intl is about 1047.3 mi. Flights usually cover this in 4h 26m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Sioux Falls Joe Foss Field Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Sioux Falls Joe Foss Field Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How many operators does momondo search for flights from Sioux Falls Joe Foss Field Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Sioux Falls Joe Foss Field Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Sioux Falls Joe Foss Field Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Sioux Falls to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Sioux Falls to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Sioux Falls to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $258Free CancellationRating
7.9
7,980 reviews
Search Delta flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Waldorf
Tysons
Silver Spring
Laurel
Colonial Beach
Fredericksburg
Harpers Ferry
Manassas
Towson
Rockville
Gaithersburg
Reston
Fairfax
Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from Sioux Falls to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sioux Falls to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Sioux Falls to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Sioux Falls which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Sioux Falls to Washington, D.C.?

momondo helps you find the best flight between Sioux Falls and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Sioux Falls to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Sioux Falls to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 8/29
Fri 9/5

Find better results for your trip to Washington, D.C.