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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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0 bags

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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
12:05 pm - 8:15 pm
RAP
-
DCA
6h 10m
1 stop
United Airlines Logo
6:30 am - 10:45 am
DCA
-
RAP
6h 15m
1 stop
$349United Airlines
Fri, May 8 - Sun, May 10
United Airlines Logo
2:35 pm - 11:34 pm
RAP
-
IAD
6h 59m
1 stop
United Airlines Logo
6:15 am - 10:45 am
IAD
-
RAP
6h 30m
1 stop
$349United Airlines
Fri, May 8 - Sun, May 10
Multiple Airlines Logo
9:54 pm - 8:37 pm
RAP
-
BWI
20h 43m
2 stops
Multiple Airlines Logo
5:33 pm - 9:01 am
BWI
-
RAP
17h 28m
1 stop
$352Multiple Airlines
Sun, Jun 14 - Tue, Jun 23
United Airlines Logo
9:30 am - 7:05 pm
RAP
-
DCA
7h 35m
1 stop
United Airlines Logo
3:30 pm - 9:46 pm
DCA
-
RAP
8h 16m
1 stop
$361United Airlines
Thu, May 7 - Sun, May 10
American Airlines Logo
1:08 pm - 11:26 pm
RAP
-
IAD
8h 18m
1 stop
American Airlines Logo
9:19 am - 4:27 pm
IAD
-
RAP
9h 08m
2 stops
$366American Airlines
Sat, May 2 - Wed, May 6
United Airlines Logo
1:35 pm - 10:49 pm
RAP
-
DCA
7h 14m
1 stop
United Airlines Logo
6:30 am - 10:24 am
DCA
-
RAP
5h 54m
1 stop
$368United Airlines
Tue, Jun 9 - Sun, Jun 14
American Airlines Logo
6:00 am - 7:33 pm
RAP
-
IAD
11h 33m
2 stops
American Airlines Logo
9:19 am - 4:27 pm
IAD
-
RAP
9h 08m
2 stops
$371American Airlines
Sat, May 2 - Wed, May 6
Multiple Airlines Logo
10:04 am - 10:12 am
RAP
-
IAD
22h 08m
2 stops
Multiple Airlines Logo
4:01 pm - 11:06 am
IAD
-
RAP
21h 05m
1 stop
$372Multiple Airlines
Fri, May 29 - Tue, Jun 2
Delta Logo
3:55 pm - 11:32 pm
RAP
-
IAD
5h 37m
1 stop
Delta Logo
6:37 pm - 10:20 pm
IAD
-
RAP
5h 43m
1 stop
$385Delta
Fri, May 1 - Tue, May 5
Delta Logo
2:36 pm - 11:28 pm
RAP
-
DCA
6h 52m
1 stop
Delta Logo
2:45 pm - 10:24 pm
DCA
-
RAP
9h 39m
2 stops
$387Delta
Fri, May 29 - Tue, Jun 2

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

Our best Delta deals on Rapid City to Washington, D.C. flight tickets
Delta
May 1
RAP3:55 pmRapid City
5h 37m
1 stop
IAD11:32 pmWashington, D.C. Dulles Intl
May 5
IAD6:37 pmWashington, D.C. Dulles Intl
5h 43m
1 stop
RAP10:20 pmRapid City
$385
Delta
May 29
RAP2:36 pmRapid City
6h 52m
1 stop
DCA11:28 pmWashington, D.C. Reagan-National
Jun 2
DCA2:45 pmWashington, D.C. Reagan-National
9h 39m
2 stops
RAP10:24 pmRapid City
$387
Delta
May 1
RAP3:55 pmRapid City
5h 48m
1 stop
DCA11:43 pmWashington, D.C. Reagan-National
May 5
DCA2:34 pmWashington, D.C. Reagan-National
9h 46m
2 stops
RAP10:20 pmRapid City
$390

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

Our best American Airlines deals on Rapid City to Washington, D.C. flight tickets
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
American Airlines
May 1
RAP1:08 pmRapid City
8h 51m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
May 5
DCA7:45 amWashington, D.C. Reagan-National
6h 53m
1 stop
RAP12:38 pmRapid City
$385
American Airlines
Apr 30
RAP11:53 amRapid City
5h 29m
1 stop
BWI7:22 pmBaltimore/Washington
May 4
BWI5:39 amBaltimore/Washington
7h 44m
1 stop
RAP11:23 amRapid City
$399

momondo Fare Finder

 
Customize your flight search to find flights from Rapid City to Washington, D.C. 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 17, 2026.
Use the filters below to find and compare flights from Rapid City to Washington, D.C. 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

Fri 5/8

12:05 pm-8:15 pm

1 stop6h 10m

Washington, D.C. Reagan-National

Sun 5/10

6:30 am-10:45 am

1 stop6h 15m

$349

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Fri 5/8

2:35 pm-11:34 pm

1 stop6h 59m

Washington, D.C. Dulles Intl

Sun 5/10

6:15 am-10:45 am

1 stop6h 30m

$349

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Sun 6/14

9:54 pm-8:37 pm

2 stops20h 43m

Baltimore/Washington

Tue 6/23

5:33 pm-9:01 am

1 stop17h 28m

$352

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Thu 5/7

9:30 am-7:05 pm

1 stop7h 35m

Washington, D.C. Reagan-National

Sun 5/10

3:30 pm-9:46 pm

1 stop8h 16m

$361

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 5/2

1:08 pm-11:26 pm

1 stop8h 18m

Washington, D.C. Dulles Intl

Wed 5/6

9:19 am-4:27 pm

2 stops9h 08m

$366

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Tue 6/9

1:35 pm-10:49 pm

1 stop7h 14m

Washington, D.C. Reagan-National

Sun 6/14

6:30 am-10:24 am

1 stop5h 54m

$368

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 5/2

6:00 am-7:33 pm

2 stops11h 33m

Washington, D.C. Dulles Intl

Wed 5/6

9:19 am-4:27 pm

2 stops9h 08m

$371

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Fri 5/29

10:04 am-10:12 am

2 stops22h 08m

Washington, D.C. Dulles Intl

Tue 6/2

4:01 pm-11:06 am

1 stop21h 05m

$372
Quickest round-trip

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Fri 5/1

3:55 pm-11:32 pm

1 stop5h 37m

Washington, D.C. Dulles Intl

Tue 5/5

6:37 pm-10:20 pm

1 stop5h 43m

$385

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 5/29

2:36 pm-11:28 pm

1 stop6h 52m

Washington, D.C. Reagan-National

Tue 6/2

2:45 pm-10:24 pm

2 stops9h 39m

$387

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 Washington, D.C. from

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

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 typical price of a round-trip flight between Rapid City and Washington, D.C.?

What is the cheapest month to fly to Washington, D.C.?

The month of November is, on average, the cheapest month to fly to Washington, D.C. from Rapid City, with most prices found around $268. If you’re not able to fly to Washington, D.C. in November, then October is your next best option. Flight prices from Rapid City to Washington, D.C. during October average around $318.

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

You could potentially save up to 68% on your flight if you consider stops on a Rapid City to Washington, D.C. flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Rapid City to Washington, D.C. 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. (RAP to WAS) flight deals and tips

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

Fastest flight time

5h 31m

Direct flights

None
The fastest flight from Rapid City to Washington, D.C. takes 5h 31m
There are no direct flights from Rapid City to Washington, D.C.. There are no popular flight routes from Rapid City to Washington, D.C..
Search flight deals

Frequently asked questions about flying from Rapid City to Washington, D.C.

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

    There are 1394.5 mi between Rapid City and Washington, D.C.. 5h 31m is a normal flight duration for this route.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rapid City Airport to Washington, D.C..

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

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

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

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

Compare and see reviews for airlines that fly from Rapid City to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $268Free CancellationRating
7.4
9,602 reviews
Search United Airlines flights
DeltaPriceFrom $270Free CancellationRating
7.9
8,406 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
Tysons
Linthicum Heights
Bethesda
Fairfax
Springfield
College Park

Why use momondo?

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

It is quick and easy to find Rapid City to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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?

If you are not ready to book a flight from Rapid City to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport