What is the cheapest airline that flies from Washington, D.C. to South Dakota?

Frontier, Delta, and United Airlines are the most popular carriers operating from Washington, D.C. to South Dakota

How long is the flight from Washington, D.C. to South Dakota?

The flight from Washington, D.C. to South Dakota depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Baltimore (a popular airport in Washington, D.C.) to Sioux Falls (the most popular airport in South Dakota), then the flight time is 5h 04m on average. If you fly from Washington, D.C. (another popular airport in Washington, D.C.) to Sioux Falls, then the average flight time is 5h 19m.

What airlines fly to South Dakota?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to South Dakota from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to South Dakota. Keep in mind that there are 3 different airlines that fly to South Dakota on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Washington, D.C. to South Dakota were last updated today.

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

The number of operators available for flights from Washington, D.C. to South Dakota is 3 as of February 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to South Dakota.

What documentation or ID do you need to fly to South Dakota?

The travel and health documents you'll need for your trip to South Dakota may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at South Dakota. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$145 Cheap Flights from Washington, D.C. to South Dakota in 2026

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:35 pm - 10:45 am

BWI

FSD

18h 10m

1 stop

6:11 pm - 8:50 am

FSD

BWI

13h 39m

1 stop

$260Multiple Airlines

Sat, May 9 - Mon, May 11

11:08 am - 5:44 pm

BWI

FSD

7h 36m

1 stop

3:10 pm - 9:24 pm

FSD

BWI

5h 14m

1 stop

$271United Airlines

Wed, Apr 8 - Sat, Apr 11

8:05 pm - 12:51 am

BWI

FSD

5h 46m

1 stop

6:37 pm - 12:33 am

FSD

BWI

4h 56m

1 stop

$275United Airlines

Thu, May 28 - Sat, Jun 6

11:08 am - 8:30 pm

BWI

FSD

10h 22m

2 stops

3:10 pm - 9:24 pm

FSD

BWI

5h 14m

1 stop

$276United Airlines

Wed, Apr 8 - Sat, Apr 11

6:25 am - 10:20 am

DCA

RAP

5h 55m

1 stop

4:00 pm - 11:34 pm

RAP

DCA

5h 34m

1 stop

$279Delta

Wed, Apr 8 - Sat, Apr 11

5:27 pm - 11:40 pm

IAD

FSD

7h 13m

1 stop

5:00 am - 11:32 am

FSD

IAD

5h 32m

1 stop

$279Delta

Fri, May 1 - Sun, May 3

5:39 am - 11:23 am

BWI

RAP

7h 44m

1 stop

11:53 am - 7:39 pm

RAP

BWI

5h 46m

1 stop

$289American Airlines

Tue, May 5 - Wed, May 13

5:05 am - 4:27 pm

BWI

RAP

13h 22m

2 stops

11:53 am - 7:22 pm

RAP

BWI

5h 29m

1 stop

$324American Airlines

Wed, Apr 8 - Sat, Apr 11

8:00 am - 7:59 pm

DCA

FSD

12h 59m

1 stop

8:54 pm - 12:04 pm

FSD

DCA

14h 10m

1 stop

$338Frontier

Mon, Mar 23 - Mon, Mar 30

6:00 pm - 7:59 pm

DCA

FSD

26h 59m

1 stop

8:54 pm - 1:02 pm

FSD

DCA

15h 08m

1 stop

$341Frontier

Thu, Mar 12 - Mon, Mar 16

Frontier flights from Washington, D.C. to South Dakota

Our best Frontier deals on Washington, D.C. to South Dakota flight tickets

Frontier

Mar 23

DCA8:00 amWashington, D.C. Reagan-National

12h 59m

1 stop

FSD7:59 pmSioux Falls Joe Foss Field

Mar 30

FSD8:54 pmSioux Falls Joe Foss Field

14h 10m

1 stop

DCA12:04 pmWashington, D.C. Reagan-National

$338

Frontier

Mar 12

DCA6:00 pmWashington, D.C. Reagan-National

26h 59m

1 stop

FSD7:59 pmSioux Falls Joe Foss Field

Mar 16

FSD8:54 pmSioux Falls Joe Foss Field

15h 08m

1 stop

DCA1:02 pmWashington, D.C. Reagan-National

$341

Frontier

Mar 4

DCA2:00 pmWashington, D.C. Reagan-National

24h 21m

1 stop

FSD1:21 pmSioux Falls Joe Foss Field

Mar 6

FSD8:54 pmSioux Falls Joe Foss Field

15h 08m

1 stop

DCA1:02 pmWashington, D.C. Reagan-National

$401

Delta flights from Washington, D.C. to South Dakota

Our best Delta deals on Washington, D.C. to South Dakota flight tickets

Delta

May 1

IAD5:27 pmWashington, D.C. Dulles Intl

7h 13m

1 stop

FSD11:40 pmSioux Falls Joe Foss Field

May 3

FSD5:00 amSioux Falls Joe Foss Field

5h 32m

1 stop

IAD11:32 amWashington, D.C. Dulles Intl

$279

Delta

Apr 15

DCA6:30 amWashington, D.C. Reagan-National

4h 42m

1 stop

FSD10:12 amSioux Falls Joe Foss Field

Apr 18

FSD1:44 pmSioux Falls Joe Foss Field

8h 06m

2 stops

DCA10:50 pmWashington, D.C. Reagan-National

$284

Delta

Apr 8

DCA12:29 pmWashington, D.C. Reagan-National

10h 43m

2 stops

FSD10:12 pmSioux Falls Joe Foss Field

Apr 11

FSD4:25 pmSioux Falls Joe Foss Field

6h 09m

1 stop

DCA11:34 pmWashington, D.C. Reagan-National

$304

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to South Dakota that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Sat 5/9

5:35 pm-10:45 am

1 stop18h 10m

Sioux Falls Joe Foss Field

Mon 5/11

6:11 pm-8:50 am

1 stop13h 39m

$260

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Wed 4/8

11:08 am-5:44 pm

1 stop7h 36m

Sioux Falls Joe Foss Field

Sat 4/11

3:10 pm-9:24 pm

1 stop5h 14m

$271

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Thu 5/28

8:05 pm-12:51 am

1 stop5h 46m

Sioux Falls Joe Foss Field

Sat 6/6

6:37 pm-12:33 am

1 stop4h 56m

$275

BaltimoreSioux Falls

BWI - FSD

BWIFSD

Baltimore/Washington

Wed 4/8

11:08 am-8:30 pm

2 stops10h 22m

Sioux Falls Joe Foss Field

Sat 4/11

3:10 pm-9:24 pm

1 stop5h 14m

$276

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Wed 4/8

6:25 am-10:20 am

1 stop5h 55m

Rapid City

Sat 4/11

4:00 pm-11:34 pm

1 stop5h 34m

$279

Washington, D.C.Sioux Falls

IAD - FSD

IADFSD

Washington, D.C. Dulles Intl

Fri 5/1

5:27 pm-11:40 pm

1 stop7h 13m

Sioux Falls Joe Foss Field

Sun 5/3

5:00 am-11:32 am

1 stop5h 32m

$279

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Tue 5/5

5:39 am-11:23 am

1 stop7h 44m

Rapid City

Wed 5/13

11:53 am-7:39 pm

1 stop5h 46m

$289

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Wed 4/8

5:05 am-4:27 pm

2 stops13h 22m

Rapid City

Sat 4/11

11:53 am-7:22 pm

1 stop5h 29m

$324

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Mon 3/23

8:00 am-7:59 pm

1 stop12h 59m

Sioux Falls Joe Foss Field

Mon 3/30

8:54 pm-12:04 pm

1 stop14h 10m

$338

Washington, D.C.Sioux Falls

DCA - FSD

DCAFSD

Washington, D.C. Reagan-National

Thu 3/12

6:00 pm-7:59 pm

1 stop26h 59m

Sioux Falls Joe Foss Field

Mon 3/16

8:54 pm-1:02 pm

1 stop15h 08m

$341

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to South Dakota

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

Prices

Airlines

Other information

What is the cheapest month to fly to South Dakota?

The month of November is, on average, the cheapest month to fly to South Dakota from Washington, D.C., with most prices found around $288. If you aren’t able to travel to South Dakota during the month of November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $318.

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

You could potentially save up to 22% on your flight if you consider stops on a Washington, D.C. to South Dakota flight.

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

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

Fastest flight time	4h 58m
Direct flights	None

The fastest flight from Washington, D.C. to South Dakota takes 4h 58m

There are no direct flights from Washington, D.C. to South Dakota. There are no popular flight routes from Washington, D.C. to South Dakota.

Search flight deals

When did momondo last update prices for flights from Washington, D.C. to South Dakota?
Prices for flights from Washington, D.C. to South Dakota were last updated today.
How many operators does momondo search for flights from Washington, D.C. to South Dakota?
The number of operators available for flights from Washington, D.C. to South Dakota is 3 as of February 2026.
How old do you have to be to fly from Washington, D.C. to South Dakota?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to South Dakota.
What documentation or ID do you need to fly to South Dakota?
The travel and health documents you'll need for your trip to South Dakota may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at South Dakota. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Compare and see reviews for airlines that fly from Washington, D.C. to South Dakota with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $200	Free Cancellation	Rating 7.9 8,245 reviews	Search Delta flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 9,363 reviews	Search United Airlines flights
American Airlines	PriceFrom $264	Free Cancellation	Rating 7.1 11,367 reviews	Search American Airlines flights

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to South Dakota from Washington, D.C. with this policy.

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

Once you have performed a search for Washington, D.C. to South Dakota flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Washington, D.C. to South Dakota flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.