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Cheap flights from Rapid City to Washington, D.C. from $146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Washington, D.C. departing on 7/15. 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 Rapid City to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 3:52 pm
RAP
-
DCA
7h 52m
1 stop
United Airlines Logo
6:30 am - 10:24 am
DCA
-
RAP
5h 54m
1 stop
$310United Airlines
Thu, Jul 30 - Tue, Aug 4
United Airlines Logo
11:20 am - 10:15 pm
RAP
-
DCA
8h 55m
2 stops
United Airlines Logo
6:30 am - 10:24 am
DCA
-
RAP
5h 54m
1 stop
$315United Airlines
Thu, Jul 30 - Tue, Aug 4
United Airlines Logo
12:05 pm - 8:15 pm
RAP
-
DCA
6h 10m
1 stop
United Airlines Logo
6:05 pm - 9:46 pm
DCA
-
RAP
5h 41m
1 stop
$359United Airlines
Tue, May 5 - Sat, May 9
United Airlines Logo
12:05 pm - 9:06 pm
RAP
-
DCA
7h 01m
1 stop
United Airlines Logo
3:30 pm - 9:46 pm
DCA
-
RAP
8h 16m
1 stop
$361United Airlines
Sat, May 2 - Wed, May 6
American Airlines Logo
1:08 pm - 9:21 pm
RAP
-
DCA
6h 13m
1 stop
American Airlines Logo
5:00 am - 12:38 pm
DCA
-
RAP
9h 38m
2 stops
$366American Airlines
Sat, May 2 - Wed, May 6
American Airlines Logo
1:08 pm - 11:57 pm
RAP
-
DCA
8h 49m
2 stops
American Airlines Logo
5:00 am - 12:38 pm
DCA
-
RAP
9h 38m
2 stops
$371American Airlines
Sat, May 2 - Wed, May 6
American Airlines Logo
11:53 am - 7:05 pm
RAP
-
DCA
5h 12m
1 stop
American Airlines Logo
6:00 am - 11:23 am
DCA
-
RAP
7h 23m
1 stop
$380American Airlines
Fri, May 1 - Tue, May 5
American Airlines Logo
1:08 pm - 11:59 pm
RAP
-
DCA
8h 51m
2 stops
American Airlines Logo
7:45 am - 12:38 pm
DCA
-
RAP
6h 53m
1 stop
$385American Airlines
Fri, May 1 - Tue, May 5
Delta Logo
3:55 pm - 11:43 pm
RAP
-
DCA
5h 48m
1 stop
Delta Logo
2:34 pm - 10:20 pm
DCA
-
RAP
9h 46m
2 stops
$390Delta
Fri, May 1 - Tue, May 5
American Airlines Logo
11:53 am - 7:05 pm
RAP
-
DCA
5h 12m
1 stop
American Airlines Logo
8:20 am - 4:27 pm
DCA
-
RAP
10h 07m
2 stops
$400American Airlines
Tue, May 5 - Sat, May 9

United Airlines flights from Rapid City to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Rapid City to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
Jul 30
RAP6:00 amRapid City
7h 52m
1 stop
DCA3:52 pmWashington, D.C. Reagan-National
Aug 4
DCA6:30 amWashington, D.C. Reagan-National
5h 54m
1 stop
RAP10:24 amRapid City
$310
United Airlines
Jul 30
RAP11:20 amRapid City
8h 55m
2 stops
DCA10:15 pmWashington, D.C. Reagan-National
Aug 4
DCA6:30 amWashington, D.C. Reagan-National
5h 54m
1 stop
RAP10:24 amRapid City
$315
United Airlines
May 5
RAP12:05 pmRapid City
6h 10m
1 stop
DCA8:15 pmWashington, D.C. Reagan-National
May 9
DCA6:05 pmWashington, D.C. Reagan-National
5h 41m
1 stop
RAP9:46 pmRapid City
$359

American Airlines flights from Rapid City to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Rapid City to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
May 2
RAP1:08 pmRapid City
6h 13m
1 stop
DCA9:21 pmWashington, D.C. Reagan-National
May 6
DCA5:00 amWashington, D.C. Reagan-National
9h 38m
2 stops
RAP12:38 pmRapid City
$366
American Airlines
May 2
RAP1:08 pmRapid City
8h 49m
2 stops
DCA11:57 pmWashington, D.C. Reagan-National
May 6
DCA5:00 amWashington, D.C. Reagan-National
9h 38m
2 stops
RAP12:38 pmRapid City
$371
American Airlines
May 1
RAP11:53 amRapid City
5h 12m
1 stop
DCA7:05 pmWashington, D.C. Reagan-National
May 5
DCA6:00 amWashington, D.C. Reagan-National
7h 23m
1 stop
RAP11:23 amRapid City
$380

momondo Fare Finder

 
Customize your flight search to find flights from Rapid City to Washington, D.C. Reagan-National 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 April 21, 2026.
Use the filters below to find and compare flights from Rapid City to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Thu 7/30

6:00 am-3:52 pm

1 stop7h 52m

Washington, D.C. Reagan-National

Tue 8/4

6:30 am-10:24 am

1 stop5h 54m

$310

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Thu 7/30

11:20 am-10:15 pm

2 stops8h 55m

Washington, D.C. Reagan-National

Tue 8/4

6:30 am-10:24 am

1 stop5h 54m

$315
Quickest round-trip

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Tue 5/5

12:05 pm-8:15 pm

1 stop6h 10m

Washington, D.C. Reagan-National

Sat 5/9

6:05 pm-9:46 pm

1 stop5h 41m

$359

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Sat 5/2

12:05 pm-9:06 pm

1 stop7h 01m

Washington, D.C. Reagan-National

Wed 5/6

3:30 pm-9:46 pm

1 stop8h 16m

$361

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Sat 5/2

1:08 pm-9:21 pm

1 stop6h 13m

Washington, D.C. Reagan-National

Wed 5/6

5:00 am-12:38 pm

2 stops9h 38m

$366

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Sat 5/2

1:08 pm-11:57 pm

2 stops8h 49m

Washington, D.C. Reagan-National

Wed 5/6

5:00 am-12:38 pm

2 stops9h 38m

$371

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 5/1

11:53 am-7:05 pm

1 stop5h 12m

Washington, D.C. Reagan-National

Tue 5/5

6:00 am-11:23 am

1 stop7h 23m

$380

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 5/1

1:08 pm-11:59 pm

2 stops8h 51m

Washington, D.C. Reagan-National

Tue 5/5

7:45 am-12:38 pm

1 stop6h 53m

$385

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 5/1

3:55 pm-11:43 pm

1 stop5h 48m

Washington, D.C. Reagan-National

Tue 5/5

2:34 pm-10:20 pm

2 stops9h 46m

$390

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Tue 5/5

11:53 am-7:05 pm

1 stop5h 12m

Washington, D.C. Reagan-National

Sat 5/9

8:20 am-4:27 pm

2 stops10h 07m

$400

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Rapid City to Washington, D.C. Reagan-National 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 airline that flies from Rapid City to Washington, D.C. Reagan-National?

Delta, United Airlines, and American Airlines are the most popular carriers operating from Rapid City to Washington, D.C. Reagan-National

When to book flights from Rapid City to Washington, D.C. Reagan-National Airport

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

Cheap Rapid City to Washington, D.C. Reagan-National Airport (RAP to DCA) flight deals and tips

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

Fastest flight time

4h 56m

Direct flights

None
The fastest flight from Rapid City to Washington, D.C. Reagan-National Airport takes 4h 56m
There are no direct flights from Rapid City to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Rapid City to Washington, D.C. Reagan-National Airport.
Search flight deals

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

  • How far is Rapid City to Washington, D.C. Reagan-National by plane?

    Rapid City and Washington, D.C. Reagan-National are 1395.9 mi apart from one another. In terms of flight time, this usually takes a little over 4h 56m.

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

    Prices for flights from Rapid City Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The necessary travel and health documents for your Washington, D.C. Reagan-National 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.

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

Best airlines flying from Rapid City to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Rapid City to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $288Free CancellationRating
7.9
8,434 reviews
Search Delta 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
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Linthicum Heights
Tysons
Bethesda
Springfield
Fairfax
College Park

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Rapid City to Washington, D.C. flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Rapid City and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Rapid City. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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