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Cheap flights from South Dakota 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 South Dakota to Washington, D.C. departing on 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from South Dakota to Washington, D.C.

Cheap round-trip flights

Frontier Logo
2:54 pm - 12:02 pmFSD-IAD
20h 08m2 stops
Frontier Logo
10:09 pm - 2:09 pmIAD-FSD
17h 00m2 stops
$258Frontier
Find Deal
Fri, Sep 12 - Sun, Sep 14
American Airlines Logo
1:19 pm - 10:48 pmFSD-IAD
8h 29m1 stop
American Airlines Logo
11:47 am - 5:03 pmIAD-FSD
6h 16m1 stop
$259American Airlines
Find Deal
Wed, Sep 10 - Wed, Sep 17
United Airlines Logo
5:15 am - 1:18 pmRAP-IAD
6h 03m1 stop
United Airlines Logo
12:40 pm - 6:43 pmIAD-RAP
8h 03m1 stop
$269United Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 1
Delta Logo
6:20 am - 9:07 pmRAP-IAD
12h 47m2 stops
Delta Logo
6:40 pm - 10:10 pmIAD-RAP
5h 30m1 stop
$274Delta
Find Deal
Thu, Nov 27 - Tue, Dec 2
Delta Logo
12:56 pm - 11:26 pmFSD-IAD
9h 30m2 stops
Delta Logo
6:15 am - 12:16 pmIAD-FSD
7h 01m1 stop
$279Delta
Find Deal
Sat, Aug 30 - Wed, Sep 3
Delta Logo
6:20 am - 9:07 pmRAP-IAD
12h 47m2 stops
Delta Logo
6:10 am - 1:40 pmIAD-RAP
9h 30m2 stops
$279Delta
Find Deal
Thu, Nov 27 - Tue, Dec 2
United Airlines Logo
6:11 pm - 12:32 amFSD-IAD
5h 21m1 stop
United Airlines Logo
3:55 pm - 10:12 pmIAD-FSD
7h 17m1 stop
$283United Airlines
Find Deal
Fri, Sep 12 - Mon, Sep 15
Delta Logo
12:56 pm - 11:26 pmFSD-IAD
9h 30m2 stops
Delta Logo
6:00 am - 1:50 pmIAD-FSD
8h 50m2 stops
$284Delta
Find Deal
Sat, Aug 30 - Wed, Sep 3
Delta Logo
12:56 pm - 11:26 pmFSD-IAD
9h 30m2 stops
Delta Logo
5:25 pm - 11:06 pmIAD-FSD
6h 41m1 stop
$294Delta
Find Deal
Sat, Aug 30 - Wed, Sep 3
American Airlines Logo
1:19 pm - 10:41 pmFSD-IAD
8h 22m1 stop
American Airlines Logo
6:25 am - 12:38 pmIAD-FSD
7h 13m1 stop
$319American Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8

Delta flights from South Dakota to Washington, D.C. Dulles Intl Airport

Our best Delta deals on South Dakota to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Nov 27
RAP6:20 amRapid City
12h 47m
2 stops
IAD9:07 pmWashington, D.C. Dulles Intl
Dec 2
IAD6:40 pmWashington, D.C. Dulles Intl
5h 30m
1 stop
RAP10:10 pmRapid City
$274
Find similar
Delta
Aug 30
FSD12:56 pmSioux Falls Joe Foss Field
9h 30m
2 stops
IAD11:26 pmWashington, D.C. Dulles Intl
Sep 3
IAD6:15 amWashington, D.C. Dulles Intl
7h 01m
1 stop
FSD12:16 pmSioux Falls Joe Foss Field
$279
Find similar
Delta
Aug 30
FSD12:56 pmSioux Falls Joe Foss Field
9h 30m
2 stops
IAD11:26 pmWashington, D.C. Dulles Intl
Sep 3
IAD6:00 amWashington, D.C. Dulles Intl
8h 50m
2 stops
FSD1:50 pmSioux Falls Joe Foss Field
$284
Find similar

United Airlines flights from South Dakota to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on South Dakota to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Oct 29
RAP5:15 amRapid City
6h 03m
1 stop
IAD1:18 pmWashington, D.C. Dulles Intl
Nov 1
IAD12:40 pmWashington, D.C. Dulles Intl
8h 03m
1 stop
RAP6:43 pmRapid City
$269
Find similar
United Airlines
Sep 12
FSD6:11 pmSioux Falls Joe Foss Field
5h 21m
1 stop
IAD12:32 amWashington, D.C. Dulles Intl
Sep 15
IAD3:55 pmWashington, D.C. Dulles Intl
7h 17m
1 stop
FSD10:12 pmSioux Falls Joe Foss Field
$283
Find similar
United Airlines
Aug 27
RAP7:00 amRapid City
6h 34m
1 stop
IAD3:34 pmWashington, D.C. Dulles Intl
Aug 31
IAD3:48 pmWashington, D.C. Dulles Intl
6h 51m
1 stop
RAP8:39 pmRapid City
$319
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from South Dakota 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 14, 2025.
Use the filters below to find and compare flights from South Dakota 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 9/12

2:54 pm-12:02 pm

2 stops20h 08m

Washington, D.C. Dulles Intl

Sun 9/14

10:09 pm-2:09 pm

2 stops17h 00m

$258

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Wed 9/10

1:19 pm-10:48 pm

1 stop8h 29m

Washington, D.C. Dulles Intl

Wed 9/17

11:47 am-5:03 pm

1 stop6h 16m

$259

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Wed 10/29

5:15 am-1:18 pm

1 stop6h 03m

Washington, D.C. Dulles Intl

Sat 11/1

12:40 pm-6:43 pm

1 stop8h 03m

$269

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 11/27

6:20 am-9:07 pm

2 stops12h 47m

Washington, D.C. Dulles Intl

Tue 12/2

6:40 pm-10:10 pm

1 stop5h 30m

$274

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Sat 8/30

12:56 pm-11:26 pm

2 stops9h 30m

Washington, D.C. Dulles Intl

Wed 9/3

6:15 am-12:16 pm

1 stop7h 01m

$279

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 11/27

6:20 am-9:07 pm

2 stops12h 47m

Washington, D.C. Dulles Intl

Tue 12/2

6:10 am-1:40 pm

2 stops9h 30m

$279

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Fri 9/12

6:11 pm-12:32 am

1 stop5h 21m

Washington, D.C. Dulles Intl

Mon 9/15

3:55 pm-10:12 pm

1 stop7h 17m

$283

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Sat 8/30

12:56 pm-11:26 pm

2 stops9h 30m

Washington, D.C. Dulles Intl

Wed 9/3

6:00 am-1:50 pm

2 stops8h 50m

$284

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Sat 8/30

12:56 pm-11:26 pm

2 stops9h 30m

Washington, D.C. Dulles Intl

Wed 9/3

5:25 pm-11:06 pm

1 stop6h 41m

$294

Sioux FallsWashington, D.C.

FSD - IAD

FSDIAD

Sioux Falls Joe Foss Field

Thu 9/4

1:19 pm-10:41 pm

1 stop8h 22m

Washington, D.C. Dulles Intl

Mon 9/8

6:25 am-12:38 pm

1 stop7h 13m

$319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from South Dakota 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 cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, December is the cheapest month to fly from South Dakota 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 South Dakota 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 South Dakota 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 South Dakota in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on South Dakota to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 46% on your flight if you consider stops on a South Dakota to Washington, D.C. Dulles Intl Airport flight.

Cheap South Dakota to Washington, D.C. Dulles Intl Airport flight deals and tips

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

Best Price Found

$187

Fastest flight time

4h 26m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from South Dakota in the past 72 hours is $187. The best round-trip flight deal from South Dakota to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $258.
The fastest flight from South Dakota to Washington, D.C. Dulles Intl Airport takes 4h 26m
There are no direct flights from South Dakota to Washington, D.C. Dulles Intl Airport. Popular non-direct routes for this connection are Rapid City Airport - Washington, D.C. Dulles Intl Airport and Sioux Falls Joe Foss Field Airport - Washington, D.C. Dulles Intl Airport.
Search flight deals

  • When did momondo last update prices for flights from South Dakota to Washington, D.C. Dulles Intl Airport?

    Prices for flights from South Dakota to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from South Dakota to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from South Dakota to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from South Dakota to Washington, D.C. Dulles Intl Airport.

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

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from South Dakota to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from South Dakota to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $233Free CancellationRating
8.0
7,980 reviews
Search Delta flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
8,916 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
Tysons
Laurel
Silver Spring
Waldorf
Fredericksburg
Colonial Beach
Manassas
Harpers Ferry
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from South Dakota to Washington, D.C. for you.

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

All flight searches from South Dakota to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from South Dakota to Washington, D.C.?

Once all potential South Dakota to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Washington, D.C. from South Dakota are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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