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

Frontier, American Airlines, and United Airlines are the most popular carriers operating from Washington, D.C. Reagan-National to South Dakota

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. Reagan-National Airport according to our data. United Airlines is the first choice among our users, with 36% 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.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to South Dakota.

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

The required travel and health documents for your South Dakota 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 South Dakota. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$135 Cheap Flights from Washington, D.C. Reagan-National Airport to South Dakota in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Reagan-National Airport to South Dakota

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:06 pm - 8:07 pmDCA Washington, D.C. Reagan-National-FSD Sioux Falls Joe Foss Field

8h 01m1 stop Denver Intl

8:52 pm - 9:59 pmFSD Sioux Falls Joe Foss Field-DCA Washington, D.C. Reagan-National

24h 07m1 stop Denver Intl

$257Frontier

Mon, Sep 21 - Mon, Sep 28

7:45 am - 1:57 pmDCA Washington, D.C. Reagan-National-RAP Rapid City

8h 12m1 stop Minneapolis St Paul

11:29 am - 6:09 pmRAP Rapid City-DCA Washington, D.C. Reagan-National

4h 40m1 stop Minneapolis St Paul

$281Delta

Tue, Oct 20 - Sat, Oct 24

6:59 am - 12:21 pmDCA Washington, D.C. Reagan-National-RAP Rapid City

7h 22m1 stop Dallas/Fort Worth

12:51 pm - 11:00 pmRAP Rapid City-DCA Washington, D.C. Reagan-National

8h 09m1 stop Dallas/Fort Worth

$281American Airlines

Wed, Oct 28 - Sat, Oct 31

6:59 pm - 10:30 pmDCA Washington, D.C. Reagan-National-RAP Rapid City

5h 31m1 stop Minneapolis St Paul

2:37 pm - 10:04 pmRAP Rapid City-DCA Washington, D.C. Reagan-National

5h 27m1 stop Minneapolis St Paul

$281Delta

Tue, Oct 13 - Tue, Oct 20

12:22 pm - 3:58 pmDCA Washington, D.C. Reagan-National-RAP Rapid City

5h 36m1 stop Minneapolis St Paul

11:29 am - 6:09 pmRAP Rapid City-DCA Washington, D.C. Reagan-National

4h 40m1 stop Minneapolis St Paul

$281Delta

Tue, Oct 20 - Sat, Oct 24

5:00 am - 12:21 pmDCA Washington, D.C. Reagan-National-RAP Rapid City

9h 21m2 stops Charlotte Douglas Dallas/Fort Worth

12:51 pm - 11:59 pmRAP Rapid City-DCA Washington, D.C. Reagan-National

9h 08m1 stop Dallas/Fort Worth

$286American Airlines

Wed, Oct 28 - Sat, Oct 31

1:06 pm - 8:07 pmDCA Washington, D.C. Reagan-National-FSD Sioux Falls Joe Foss Field

8h 01m1 stop Denver Intl

8:52 pm - 4:59 pmFSD Sioux Falls Joe Foss Field-DCA Washington, D.C. Reagan-National

19h 07m1 stop Denver Intl

$290Frontier

Fri, Sep 11 - Mon, Sep 14

5:00 pm - 11:36 pmDCA Washington, D.C. Reagan-National-FSD Sioux Falls Joe Foss Field

7h 36m1 stop Chicago O'Hare Intl

7:40 am - 1:59 pmFSD Sioux Falls Joe Foss Field-DCA Washington, D.C. Reagan-National

5h 19m1 stop Chicago O'Hare Intl

$329United Airlines

Fri, Jan 8 - Sun, Jan 10

7:10 pm - 11:12 pmDCA Washington, D.C. Reagan-National-FSD Sioux Falls Joe Foss Field

5h 02m1 stop Chicago O'Hare Intl

7:47 am - 2:23 pmFSD Sioux Falls Joe Foss Field-DCA Washington, D.C. Reagan-National

5h 36m1 stop Chicago O'Hare Intl

$364United Airlines

Fri, Sep 11 - Tue, Sep 15

1:06 pm - 8:07 pmDCA Washington, D.C. Reagan-National-FSD Sioux Falls Joe Foss Field

8h 01m1 stop Denver Intl

10:02 pm - 9:59 pmFSD Sioux Falls Joe Foss Field-DCA Washington, D.C. Reagan-National

22h 57m2 stops Las Vegas Harry Reid Intl Denver Intl

$674Multiple Airlines

Fri, Sep 25 - Sun, Sep 27

Cheap last minute flights

Enter your travel dates to find the best prices.

5:00 am - 12:17 pmDCA Washington, D.C. Reagan-National-FSD Sioux Falls Joe Foss Field

8h 17m1 stop Dallas/Fort Worth

7:30 am - 4:00 pmFSD Sioux Falls Joe Foss Field-DCA Washington, D.C. Reagan-National

7h 30m1 stop Dallas/Fort Worth

$349American Airlines

Sat, Sep 5 - Sun, Sep 6

1:50 pm - 7:59 pmDCA Washington, D.C. Reagan-National-FSD Sioux Falls Joe Foss Field

7h 09m1 stop Atlanta Hartsfield-Jackson

4:28 pm - 10:00 pmFSD Sioux Falls Joe Foss Field-DCA Washington, D.C. Reagan-National

4h 32m1 stop Minneapolis St Paul

$395Delta

Sat, Sep 5 - Sun, Sep 6

4:20 pm - 10:33 pmDCA Washington, D.C. Reagan-National-RAP Rapid City

8h 13m1 stop Denver Intl

1:36 pm - 10:54 pmRAP Rapid City-DCA Washington, D.C. Reagan-National

7h 18m1 stop Chicago O'Hare Intl

$462United Airlines

Wed, Sep 2 - Wed, Sep 9

6:10 am - 1:48 pmDCA Washington, D.C. Reagan-National-RAP Rapid City

9h 38m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

10:42 am - 11:02 pmRAP Rapid City-DCA Washington, D.C. Reagan-National

10h 20m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

$462Delta

Wed, Sep 2 - Wed, Sep 9

6:59 am - 12:17 pmDCA Washington, D.C. Reagan-National-FSD Sioux Falls Joe Foss Field

6h 18m1 stop Dallas/Fort Worth

12:06 pm - 8:59 pmFSD Sioux Falls Joe Foss Field-DCA Washington, D.C. Reagan-National

7h 53m1 stop Chicago O'Hare Intl

$465American Airlines

Sat, Sep 5 - Sun, Sep 6

5:23 pm - 12:30 amDCA Washington, D.C. Reagan-National-FSD Sioux Falls Joe Foss Field

8h 07m1 stop Chicago O'Hare Intl

5:23 pm - 11:59 pmFSD Sioux Falls Joe Foss Field-DCA Washington, D.C. Reagan-National

5h 36m1 stop Chicago O'Hare Intl

$465American Airlines

Fri, Sep 4 - Tue, Sep 8

6:05 am - 12:38 pmDCA Washington, D.C. Reagan-National-FSD Sioux Falls Joe Foss Field

7h 33m1 stop Minneapolis St Paul

1:26 pm - 10:00 pmFSD Sioux Falls Joe Foss Field-DCA Washington, D.C. Reagan-National

7h 34m1 stop Minneapolis St Paul

$489Delta

Thu, Sep 3 - Sun, Sep 6

5:10 pm - 11:22 pmDCA Washington, D.C. Reagan-National-FSD Sioux Falls Joe Foss Field

7h 12m1 stop Chicago O'Hare Intl

3:06 pm - 10:52 pmFSD Sioux Falls Joe Foss Field-DCA Washington, D.C. Reagan-National

6h 46m1 stop Chicago O'Hare Intl

$555United Airlines

Fri, Sep 4 - Sat, Sep 5

7:00 am - 8:01 pmDCA Washington, D.C. Reagan-National-FSD Sioux Falls Joe Foss Field

14h 01m1 stop Denver Intl

8:56 pm - 9:59 pmFSD Sioux Falls Joe Foss Field-DCA Washington, D.C. Reagan-National

24h 03m1 stop Denver Intl

$688Frontier

Fri, Sep 4 - Mon, Sep 7

1:59 pm - 9:12 pmDCA Washington, D.C. Reagan-National-FSD Sioux Falls Joe Foss Field

32h 13m2 stops Denver Intl Las Vegas Harry Reid Intl

8:56 pm - 12:51 pmFSD Sioux Falls Joe Foss Field-DCA Washington, D.C. Reagan-National

14h 55m1 stop Denver Intl

$751Multiple Airlines

Wed, Sep 2 - Fri, Sep 4

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Washington, D.C. Reagan-National Airport to South Dakota

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to South Dakota flight tickets

United Airlines

Sep 11

DCA7:10 pmWashington, D.C. Reagan-National

5h 02m

1 stop

FSD11:12 pmSioux Falls Joe Foss Field

Sep 15

FSD7:47 amSioux Falls Joe Foss Field

5h 36m

1 stop

DCA2:23 pmWashington, D.C. Reagan-National

$364

United Airlines

Oct 20

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

5h 45m

1 stop

RAP10:15 amRapid City

Oct 24

RAP1:37 pmRapid City

5h 37m

1 stop

DCA9:14 pmWashington, D.C. Reagan-National

$371

United Airlines

Oct 20

DCA11:57 amWashington, D.C. Reagan-National

10h 55m

2 stops

RAP8:52 pmRapid City

Oct 24

RAP1:37 pmRapid City

7h 15m

1 stop

DCA10:52 pmWashington, D.C. Reagan-National

$376

Frontier flights from Washington, D.C. Reagan-National Airport to South Dakota

Our best Frontier deals on Washington, D.C. Reagan-National Airport to South Dakota flight tickets

Frontier

Sep 21

DCA1:06 pmWashington, D.C. Reagan-National

8h 01m

1 stop

FSD8:07 pmSioux Falls Joe Foss Field

Sep 28

FSD8:52 pmSioux Falls Joe Foss Field

24h 07m

1 stop

DCA9:59 pmWashington, D.C. Reagan-National

$257

Frontier

Sep 11

DCA1:06 pmWashington, D.C. Reagan-National

8h 01m

1 stop

FSD8:07 pmSioux Falls Joe Foss Field

Sep 14

FSD8:52 pmSioux Falls Joe Foss Field

19h 07m

1 stop

DCA4:59 pmWashington, D.C. Reagan-National

$290

Frontier

Sep 4

DCA7:00 amWashington, D.C. Reagan-National

14h 01m

1 stop

FSD8:01 pmSioux Falls Joe Foss Field

Sep 7

FSD8:56 pmSioux Falls Joe Foss Field

24h 03m

1 stop

DCA9:59 pmWashington, D.C. Reagan-National

$688

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Sioux Falls

DCA Washington, D.C. Reagan-National - FSD Sioux Falls Joe Foss Field

DCAFSD

Washington, D.C. Reagan-National

Mon 9/21

1:06 pm-8:07 pm

1 stop8h 01m

Sioux Falls Joe Foss Field

Mon 9/28

8:52 pm-9:59 pm

1 stop24h 07m

$257

Washington, D.C.Rapid City

DCA Washington, D.C. Reagan-National - RAP Rapid City

DCARAP

Washington, D.C. Reagan-National

Tue 10/20

7:45 am-1:57 pm

1 stop8h 12m

Rapid City

Sat 10/24

11:29 am-6:09 pm

1 stop4h 40m

$281

Washington, D.C.Rapid City

DCA Washington, D.C. Reagan-National - RAP Rapid City

DCARAP

Washington, D.C. Reagan-National

Wed 10/28

6:59 am-12:21 pm

1 stop7h 22m

Rapid City

Sat 10/31

12:51 pm-11:00 pm

1 stop8h 09m

$281

Washington, D.C.Rapid City

DCA Washington, D.C. Reagan-National - RAP Rapid City

DCARAP

Washington, D.C. Reagan-National

Tue 10/13

6:59 pm-10:30 pm

1 stop5h 31m

Rapid City

Tue 10/20

2:37 pm-10:04 pm

1 stop5h 27m

$281

Quickest round-trip

Washington, D.C.Rapid City

DCA Washington, D.C. Reagan-National - RAP Rapid City

DCARAP

Washington, D.C. Reagan-National

Tue 10/20

12:22 pm-3:58 pm

1 stop5h 36m

Rapid City

Sat 10/24

11:29 am-6:09 pm

1 stop4h 40m

$281

Washington, D.C.Rapid City

DCA Washington, D.C. Reagan-National - RAP Rapid City

DCARAP

Washington, D.C. Reagan-National

Wed 10/28

5:00 am-12:21 pm

2 stops9h 21m

Rapid City

Sat 10/31

12:51 pm-11:59 pm

1 stop9h 08m

$286

Washington, D.C.Sioux Falls

DCA Washington, D.C. Reagan-National - FSD Sioux Falls Joe Foss Field

DCAFSD

Washington, D.C. Reagan-National

Fri 9/11

1:06 pm-8:07 pm

1 stop8h 01m

Sioux Falls Joe Foss Field

Mon 9/14

8:52 pm-4:59 pm

1 stop19h 07m

$290

Washington, D.C.Sioux Falls

DCA Washington, D.C. Reagan-National - FSD Sioux Falls Joe Foss Field

DCAFSD

Washington, D.C. Reagan-National

Fri 1/8

5:00 pm-11:36 pm

1 stop7h 36m

Sioux Falls Joe Foss Field

Sun 1/10

7:40 am-1:59 pm

1 stop5h 19m

$329

Washington, D.C.Sioux Falls

DCA Washington, D.C. Reagan-National - FSD Sioux Falls Joe Foss Field

DCAFSD

Washington, D.C. Reagan-National

Fri 9/11

7:10 pm-11:12 pm

1 stop5h 02m

Sioux Falls Joe Foss Field

Tue 9/15

7:47 am-2:23 pm

1 stop5h 36m

$364

Washington, D.C.Sioux Falls

DCA Washington, D.C. Reagan-National - FSD Sioux Falls Joe Foss Field

DCAFSD

Washington, D.C. Reagan-National

Fri 9/25

1:06 pm-8:07 pm

1 stop8h 01m

Sioux Falls Joe Foss Field

Sun 9/27

10:02 pm-9:59 pm

2 stops22h 57m

$674

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. Reagan-National Airport 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

What is the cheapest month to fly to South Dakota?

The month of October is, on average, the cheapest month to fly to South Dakota from Washington, D.C. Reagan-National Airport, with most prices found around $313. If you aren’t able to travel to South Dakota during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $338.

Cheap Washington, D.C. Reagan-National Airport to South Dakota flight deals and tips

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

Best Price Found	$135
Fastest flight time	4h 55m
Direct flights	None

The best one-way flight to South Dakota from Washington, D.C. Reagan-National Airport in the past 72 hours is $135. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to South Dakota found on momondo in the last 72 hours is $257.

The fastest flight from Washington, D.C. Reagan-National Airport to South Dakota takes 4h 55m

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

Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to South Dakota

When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to South Dakota?
Prices for flights from Washington, D.C. Reagan-National Airport to South Dakota are updated daily.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to South Dakota?
The number of operators available for flights from Washington, D.C. Reagan-National Airport to South Dakota is 3 as of September 2026.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to South Dakota?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to South Dakota.
What documentation or ID do you need to fly to South Dakota?
The required travel and health documents for your South Dakota 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 South Dakota. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Washington, D.C. Reagan-National Airport to South Dakota

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 10,157 reviews	Search United Airlines flights
Delta	PriceFrom $270	Free Cancellation	Rating 7.8 8,538 reviews	Search Delta flights
American Airlines	PriceFrom $278	Free Cancellation	Rating 7.1 12,023 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 in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to South Dakota from Washington, D.C..

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

Of course. momondo tracks the price of Washington, D.C. to South Dakota 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 South Dakota 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 10/1

Thu 10/8

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to South Dakota

Popular cities

Other flights from Washington, D.C. Reagan-National Airport

Other flights to South Dakota

Airlines

Complete your trip

Feeling lucky

Popular cities in South Dakota

Flights to New Yorkfrom $70

Flights to Los Angelesfrom $44

Flights to Orlandofrom $58

Flights to Miamifrom $74

Flights to San Franciscofrom $38

Flights to Chicagofrom $50

Flights to Las Vegasfrom $45

Flights to Washington, D.C.from $57

Flights to Bostonfrom $80

Flights to Fort Lauderdalefrom $50

Flights to Atlantafrom $43

Flights to Dallasfrom $53

Cheap flights from Washington, D.C. Reagan-National Airport to South Dakota from $135

Find the cheapest flights from Washington, D.C. Reagan-National Airport to South Dakota

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

United Airlines flights from Washington, D.C. Reagan-National Airport to South Dakota

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to South Dakota flight tickets

Frontier flights from Washington, D.C. Reagan-National Airport to South Dakota

Our best Frontier deals on Washington, D.C. Reagan-National Airport to South Dakota flight tickets

momondo Fare Finder

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

See travel insights to South Dakota from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to South Dakota

What is the cheapest month to fly to South Dakota?

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

What airlines fly to South Dakota?

Cheap Washington, D.C. Reagan-National Airport to South Dakota flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to South Dakota

Best airlines flying from Washington, D.C. Reagan-National Airport to South Dakota

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

Why use momondo?

An easier way to manage your South Dakota 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.

Find better results for your trip to South Dakota

Popular cities in South Dakota

Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. Reagan-National Airport flight routes

According to popular flight searches on momondo this year

South Dakota flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to South Dakota

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to South Dakota

Explore popular destinations other users love

According to popular flight searches on momondo this year