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Cheap flights from Washington, D.C. to Rapid City from $216

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 2/10. 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 Washington, D.C. to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:59 pm - 9:15 pm
DCA
-
RAP
7h 16m
1 stop
American Airlines Logo
2:08 pm - 11:00 pm
RAP
-
DCA
6h 52m
1 stop
$289American Airlines
Fri, Feb 6 - Mon, Feb 9
Delta Logo
6:00 am - 10:07 am
IAD
-
RAP
6h 07m
1 stop
Delta Logo
4:00 pm - 11:36 pm
RAP
-
IAD
5h 36m
1 stop
$289Delta
Sun, Apr 26 - Sat, May 2
American Airlines Logo
6:07 am - 1:34 pm
BWI
-
RAP
9h 27m
1 stop
American Airlines Logo
2:08 pm - 11:10 pm
RAP
-
BWI
7h 02m
1 stop
$289American Airlines
Fri, Feb 6 - Mon, Feb 9
Delta Logo
5:26 pm - 10:28 pm
IAD
-
RAP
7h 02m
2 stops
Delta Logo
4:10 pm - 11:57 pm
RAP
-
IAD
5h 47m
1 stop
$294Delta
Fri, Feb 6 - Mon, Feb 9
American Airlines Logo
3:59 pm - 9:15 pm
DCA
-
RAP
7h 16m
1 stop
American Airlines Logo
6:00 am - 5:49 pm
RAP
-
DCA
9h 49m
2 stops
$294American Airlines
Fri, Feb 6 - Mon, Feb 9
Delta Logo
7:22 am - 3:25 pm
BWI
-
RAP
10h 03m
2 stops
Delta Logo
4:10 pm - 11:26 pm
RAP
-
BWI
5h 16m
1 stop
$294Delta
Fri, Feb 6 - Mon, Feb 9
United Airlines Logo
10:05 am - 8:32 pm
BWI
-
RAP
12h 27m
2 stops
United Airlines Logo
2:40 pm - 11:15 pm
RAP
-
BWI
6h 35m
1 stop
$319United Airlines
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
2:24 pm - 7:14 pm
IAD
-
RAP
6h 50m
1 stop
United Airlines Logo
2:40 pm - 11:22 pm
RAP
-
IAD
6h 42m
1 stop
$335United Airlines
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
9:55 am - 5:00 pm
IAD
-
RAP
9h 05m
1 stop
United Airlines Logo
2:42 pm - 11:34 pm
RAP
-
IAD
6h 52m
1 stop
$349United Airlines
Fri, Apr 24 - Tue, Apr 28
United Airlines Logo
8:23 am - 1:12 pm
BWI
-
RAP
6h 49m
1 stop
United Airlines Logo
5:10 am - 3:04 pm
RAP
-
BWI
7h 54m
1 stop
$362United Airlines
Thu, Jan 29 - Sun, Feb 1

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

Our best American Airlines deals on Washington, D.C. to Rapid City flight tickets
American Airlines
Feb 6
DCA3:59 pmWashington, D.C. Reagan-National
7h 16m
1 stop
RAP9:15 pmRapid City
Feb 9
RAP2:08 pmRapid City
6h 52m
1 stop
DCA11:00 pmWashington, D.C. Reagan-National
$289
American Airlines
Feb 6
DCA3:59 pmWashington, D.C. Reagan-National
7h 16m
1 stop
RAP9:15 pmRapid City
Feb 9
RAP6:00 amRapid City
9h 49m
2 stops
DCA5:49 pmWashington, D.C. Reagan-National
$294
American Airlines
Jan 27
IAD6:00 amWashington, D.C. Dulles Intl
9h 34m
1 stop
RAP1:34 pmRapid City
Jan 31
RAP6:00 amRapid City
8h 31m
1 stop
IAD4:31 pmWashington, D.C. Dulles Intl
$339

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

Our best Delta deals on Washington, D.C. to Rapid City flight tickets
Delta
Apr 26
IAD6:00 amWashington, D.C. Dulles Intl
6h 07m
1 stop
RAP10:07 amRapid City
May 2
RAP4:00 pmRapid City
5h 36m
1 stop
IAD11:36 pmWashington, D.C. Dulles Intl
$289
Delta
Feb 6
IAD5:26 pmWashington, D.C. Dulles Intl
7h 02m
2 stops
RAP10:28 pmRapid City
Feb 9
RAP4:10 pmRapid City
5h 47m
1 stop
IAD11:57 pmWashington, D.C. Dulles Intl
$294
Delta
Feb 6
DCA2:32 pmWashington, D.C. Reagan-National
9h 56m
2 stops
RAP10:28 pmRapid City
Feb 9
RAP10:54 amRapid City
10h 03m
2 stops
DCA10:57 pmWashington, D.C. Reagan-National
$300

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 January 12, 2026.
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

Fri 2/6

3:59 pm-9:15 pm

1 stop7h 16m

Rapid City

Mon 2/9

2:08 pm-11:00 pm

1 stop6h 52m

$289

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sun 4/26

6:00 am-10:07 am

1 stop6h 07m

Rapid City

Sat 5/2

4:00 pm-11:36 pm

1 stop5h 36m

$289

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Fri 2/6

6:07 am-1:34 pm

1 stop9h 27m

Rapid City

Mon 2/9

2:08 pm-11:10 pm

1 stop7h 02m

$289

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Fri 2/6

5:26 pm-10:28 pm

2 stops7h 02m

Rapid City

Mon 2/9

4:10 pm-11:57 pm

1 stop5h 47m

$294

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Fri 2/6

3:59 pm-9:15 pm

1 stop7h 16m

Rapid City

Mon 2/9

6:00 am-5:49 pm

2 stops9h 49m

$294

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Fri 2/6

7:22 am-3:25 pm

2 stops10h 03m

Rapid City

Mon 2/9

4:10 pm-11:26 pm

1 stop5h 16m

$294

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Thu 1/29

10:05 am-8:32 pm

2 stops12h 27m

Rapid City

Mon 2/2

2:40 pm-11:15 pm

1 stop6h 35m

$319

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Thu 1/29

2:24 pm-7:14 pm

1 stop6h 50m

Rapid City

Mon 2/2

2:40 pm-11:22 pm

1 stop6h 42m

$335

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Fri 4/24

9:55 am-5:00 pm

1 stop9h 05m

Rapid City

Tue 4/28

2:42 pm-11:34 pm

1 stop6h 52m

$349

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Thu 1/29

8:23 am-1:12 pm

1 stop6h 49m

Rapid City

Sun 2/1

5:10 am-3:04 pm

1 stop7h 54m

$362

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 January is, on average, the cheapest month to fly to Rapid City from Washington, D.C., with most prices found around $268. If you aren’t able to travel to Rapid City during the month of January, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $378.

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

You could potentially save up to 14% on your flight if you consider stops on a Washington, D.C. to Rapid City flight.

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

Fastest flight time

5h 43m

Direct flights

None
The fastest flight from Washington, D.C. to Rapid City takes 5h 43m
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.
Search flight deals

  • 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 43m 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
American AirlinesPriceFrom $268Free CancellationRating
7.2
11,109 reviews
Search American Airlines flights
DeltaPriceFrom $268Free CancellationRating
7.9
8,033 reviews
Search Delta flights
United AirlinesPriceFrom $304Free CancellationRating
7.4
9,143 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
Keystone
Sturgis
Custer
Spearfish
Hill City
Wall
Hot Springs

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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