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Cheap flights from Washington, D.C. to Rapid City from $157

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Rapid City departing on 8/29. 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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Find the cheapest flights from Washington, D.C. to Rapid City

Cheap round-trip flights

Delta Logo
6:10 am - 10:05 amDCA-RAP
5h 55m1 stop
Delta Logo
10:40 am - 6:01 pmRAP-DCA
5h 21m1 stop
$269Delta
Find Deal
Mon, Jan 19 - Sat, Jan 24
Delta Logo
6:10 am - 10:05 amDCA-RAP
5h 55m1 stop
Delta Logo
10:40 am - 9:13 pmRAP-DCA
8h 33m2 stops
$274Delta
Find Deal
Mon, Jan 19 - Sat, Jan 24
United Airlines Logo
6:35 am - 10:22 amIAD-RAP
5h 47m1 stop
United Airlines Logo
5:30 am - 1:28 pmRAP-IAD
5h 58m1 stop
$286United Airlines
Find Deal
Sun, Sep 21 - Sat, Sep 27
American Airlines Logo
6:30 am - 12:57 pmDCA-RAP
8h 27m1 stop
American Airlines Logo
1:12 pm - 11:23 pmRAP-DCA
8h 11m1 stop
$294American Airlines
Find Deal
Thu, Sep 4 - Tue, Sep 9
Delta Logo
6:15 am - 10:05 amIAD-RAP
5h 50m1 stop
Delta Logo
10:40 am - 7:00 pmRAP-IAD
6h 20m1 stop
$294Delta
Find Deal
Mon, Jan 19 - Sat, Jan 24
Delta Logo
6:15 am - 10:05 amIAD-RAP
5h 50m1 stop
Delta Logo
10:40 am - 10:57 pmRAP-IAD
10h 17m2 stops
$299Delta
Find Deal
Mon, Jan 19 - Sat, Jan 24
Logo
7:50 am - 8:54 pmBWI-RAP
15h 04m1 stop
Logo
9:44 pm - 6:35 amRAP-BWI
30h 51m2 stops
$314
Find Deal
Thu, Oct 30 - Sun, Nov 2
United Airlines Logo
6:25 am - 10:13 amDCA-RAP
5h 48m1 stop
United Airlines Logo
1:44 pm - 10:43 pmRAP-DCA
6h 59m1 stop
$315United Airlines
Find Deal
Wed, Oct 8 - Tue, Oct 14
Logo
7:50 am - 8:54 pmBWI-RAP
15h 04m1 stop
Logo
9:44 pm - 4:30 amRAP-BWI
28h 46m1 stop
$321
Find Deal
Thu, Oct 30 - Sun, Nov 2
American Airlines Logo
6:00 am - 10:35 amDCA-RAP
6h 35m1 stop
American Airlines Logo
5:00 pm - 12:58 amRAP-DCA
5h 58m1 stop
$324American Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30

Delta flights from Washington, D.C. to Rapid City

Our best Delta deals on Washington, D.C. to Rapid City flight tickets
Delta
Jan 19
DCA6:10 amWashington, D.C. Reagan-National
5h 55m
1 stop
RAP10:05 amRapid City
Jan 24
RAP10:40 amRapid City
5h 21m
1 stop
DCA6:01 pmWashington, D.C. Reagan-National
$269
Find similar
Delta
Jan 19
DCA6:10 amWashington, D.C. Reagan-National
5h 55m
1 stop
RAP10:05 amRapid City
Jan 24
RAP10:40 amRapid City
8h 33m
2 stops
DCA9:13 pmWashington, D.C. Reagan-National
$274
Find similar
Delta
Jan 19
IAD6:15 amWashington, D.C. Dulles Intl
5h 50m
1 stop
RAP10:05 amRapid City
Jan 24
RAP10:40 amRapid City
6h 20m
1 stop
IAD7:00 pmWashington, D.C. Dulles Intl
$294
Find similar

United Airlines flights from Washington, D.C. to Rapid City

Our best United Airlines deals on Washington, D.C. to Rapid City flight tickets
United Airlines
Sep 21
IAD6:35 amWashington, D.C. Dulles Intl
5h 47m
1 stop
RAP10:22 amRapid City
Sep 27
RAP5:30 amRapid City
5h 58m
1 stop
IAD1:28 pmWashington, D.C. Dulles Intl
$286
Find similar
United Airlines
Oct 8
DCA6:25 amWashington, D.C. Reagan-National
5h 48m
1 stop
RAP10:13 amRapid City
Oct 14
RAP1:44 pmRapid City
6h 59m
1 stop
DCA10:43 pmWashington, D.C. Reagan-National
$315
Find similar
United Airlines
Sep 5
DCA6:25 amWashington, D.C. Reagan-National
5h 57m
1 stop
RAP10:22 amRapid City
Sep 9
RAP1:35 pmRapid City
7h 08m
1 stop
DCA10:43 pmWashington, D.C. Reagan-National
$319
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Rapid City 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 21, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Mon 1/19

6:10 am-10:05 am

1 stop5h 55m

Rapid City

Sat 1/24

10:40 am-6:01 pm

1 stop5h 21m

$269

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Mon 1/19

6:10 am-10:05 am

1 stop5h 55m

Rapid City

Sat 1/24

10:40 am-9:13 pm

2 stops8h 33m

$274

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sun 9/21

6:35 am-10:22 am

1 stop5h 47m

Rapid City

Sat 9/27

5:30 am-1:28 pm

1 stop5h 58m

$286

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Thu 9/4

6:30 am-12:57 pm

1 stop8h 27m

Rapid City

Tue 9/9

1:12 pm-11:23 pm

1 stop8h 11m

$294

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Mon 1/19

6:15 am-10:05 am

1 stop5h 50m

Rapid City

Sat 1/24

10:40 am-7:00 pm

1 stop6h 20m

$294

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Mon 1/19

6:15 am-10:05 am

1 stop5h 50m

Rapid City

Sat 1/24

10:40 am-10:57 pm

2 stops10h 17m

$299

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Thu 10/30

7:50 am-8:54 pm

1 stop15h 04m

Rapid City

Sun 11/2

9:44 pm-6:35 am

2 stops30h 51m

$314

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Wed 10/8

6:25 am-10:13 am

1 stop5h 48m

Rapid City

Tue 10/14

1:44 pm-10:43 pm

1 stop6h 59m

$315

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Thu 10/30

7:50 am-8:54 pm

1 stop15h 04m

Rapid City

Sun 11/2

9:44 pm-4:30 am

1 stop28h 46m

$321

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Tue 9/23

6:00 am-10:35 am

1 stop6h 35m

Rapid City

Tue 9/30

5:00 pm-12:58 am

1 stop5h 58m

$324

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 Rapid City from

How to get the cheapest flight ticket from Washington, D.C. to Rapid City

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 Rapid City?

The month of November is, on average, the cheapest month to fly to Rapid City from Washington, D.C., with most prices found around $290. If you aren’t able to travel to Rapid City 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 $377.

What is the cheapest day to depart on your flight to Rapid City?

According to our data, Wednesday is the cheapest day to fly to Rapid City from Washington, D.C.. The lowest ticket price found for a Wednesday departure recently was $481. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Rapid City is Monday, with ticket prices averaging around $619.

What is the cheapest time of day to depart on your flight to Rapid City?

Our most recent data shows that the best time of day to fly to Rapid City is in the evening. Flights from Washington, D.C. to Rapid City during this time can be as low as $451. Flights at noon are often more expensive with an average ticket price of $618.

Can stopping save me money on Washington, D.C. to Rapid City flights?

You could potentially save up to 4% on your flight if you consider stops on a Washington, D.C. to Rapid City flight.

How have Washington, D.C. to Rapid City flight prices changed over time?

When to book flights from Washington, D.C. to Rapid City

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

Cheap Washington, D.C. to Rapid City (WAS to RAP) flight deals and tips

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

Direct flights

None
There are no direct flights from Washington, D.C. to Rapid City. There are no popular flight routes from Washington, D.C. to Rapid City.
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  • How far is Washington, D.C. to Rapid City by plane?

    Washington, D.C. and Rapid City are 1394.5 mi apart from one another. 5h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. to Rapid City Airport?

    Prices for flights from Washington, D.C. to Rapid City Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to Rapid City Airport?

  • How old do you have to be to fly from Washington, D.C. to Rapid City Airport?

    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 Rapid City Airport.

  • What documentation or ID do you need to fly to Rapid City Airport?

    The travel and health documents you'll need for your trip to Rapid City Airport 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 Rapid City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. to Rapid City?

Best airlines flying from Washington, D.C. to Rapid City

Compare and see reviews for airlines that fly from Washington, D.C. to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $268Free CancellationRating
7.9
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $326Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Sturgis
Keystone
Spearfish
Custer
Hot Springs
Wall
Hill City

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Rapid City from Washington, D.C..

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

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

How can momondo help me find flights from Washington, D.C. to Rapid City?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Rapid City.

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

Yes. momondo can track prices for Washington, D.C. to Rapid City 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.

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