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Cheap flights from Washington, D.C. to Rapid City from $143

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 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:59 pm - 10:37 pm
DCA
-
RAP
5h 38m
1 stop
Delta Logo
6:48 am - 1:48 pm
RAP
-
DCA
5h 00m
1 stop
$271Delta
Sat, Aug 29 - Sat, Sep 5
Delta Logo
6:00 am - 10:02 am
IAD
-
RAP
6h 02m
1 stop
Delta Logo
2:32 pm - 11:21 pm
RAP
-
IAD
6h 49m
1 stop
$271Delta
Tue, Aug 11 - Wed, Aug 19
Delta Logo
6:59 pm - 10:30 pm
DCA
-
RAP
5h 31m
1 stop
Delta Logo
11:41 am - 10:46 pm
RAP
-
DCA
9h 05m
2 stops
$276Delta
Sat, Oct 24 - Tue, Oct 27
Delta Logo
8:00 am - 3:57 pm
IAD
-
RAP
9h 57m
2 stops
Delta Logo
4:00 pm - 11:33 pm
RAP
-
IAD
5h 33m
1 stop
$276Delta
Sat, Nov 7 - Wed, Nov 11
United Airlines Logo
5:42 pm - 11:16 pm
IAD
-
RAP
7h 34m
1 stop
United Airlines Logo
6:09 am - 1:55 pm
RAP
-
IAD
5h 46m
1 stop
$304United Airlines
Wed, Aug 5 - Tue, Aug 11
Multiple Airlines Logo
1:32 pm - 9:01 am
IAD
-
RAP
21h 29m
1 stop
Multiple Airlines Logo
10:06 pm - 8:04 am
RAP
-
IAD
31h 58m
1 stop
$316Multiple Airlines
Tue, Aug 11 - Sun, Aug 16
United Airlines Logo
4:15 pm - 8:45 pm
IAD
-
RAP
6h 30m
1 stop
United Airlines Logo
8:55 am - 5:55 pm
RAP
-
IAD
7h 00m
1 stop
$324United Airlines
Sat, Oct 31 - Thu, Nov 5
Multiple Airlines Logo
5:21 pm - 9:01 am
BWI
-
RAP
17h 40m
1 stop
Multiple Airlines Logo
12:05 pm - 8:34 pm
RAP
-
BWI
30h 29m
2 stops
$328Multiple Airlines
Tue, Aug 11 - Sat, Aug 15
American Airlines Logo
5:00 am - 9:47 am
DCA
-
RAP
6h 47m
1 stop
American Airlines Logo
3:21 pm - 11:59 pm
RAP
-
DCA
6h 38m
1 stop
$329American Airlines
Sun, Aug 2 - Wed, Aug 12
American Airlines Logo
5:00 am - 9:47 am
DCA
-
RAP
6h 47m
1 stop
American Airlines Logo
3:21 pm - 11:59 pm
RAP
-
DCA
6h 38m
1 stop
$335American Airlines
Sun, Aug 2 - Tue, Aug 11

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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
Aug 4
DCA5:00 amWashington, D.C. Reagan-National
6h 47m
1 stop
RAP9:47 amRapid City
Aug 11
RAP12:20 pmRapid City
9h 39m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
$305
American Airlines
Aug 2
DCA5:00 amWashington, D.C. Reagan-National
6h 47m
1 stop
RAP9:47 amRapid City
Aug 11
RAP3:21 pmRapid City
6h 38m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$329
American Airlines
Aug 2
DCA5:00 amWashington, D.C. Reagan-National
6h 47m
1 stop
RAP9:47 amRapid City
Aug 11
RAP3:21 pmRapid City
6h 38m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
$335

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
Aug 5
IAD5:42 pmWashington, D.C. Dulles Intl
7h 34m
1 stop
RAP11:16 pmRapid City
Aug 11
RAP6:09 amRapid City
5h 46m
1 stop
IAD1:55 pmWashington, D.C. Dulles Intl
$304
United Airlines
Oct 31
IAD4:15 pmWashington, D.C. Dulles Intl
6h 30m
1 stop
RAP8:45 pmRapid City
Nov 5
RAP8:55 amRapid City
7h 00m
1 stop
IAD5:55 pmWashington, D.C. Dulles Intl
$324
United Airlines
Aug 29
IAD6:15 amWashington, D.C. Dulles Intl
6h 11m
1 stop
RAP10:26 amRapid City
Sep 4
RAP11:22 amRapid City
6h 01m
1 stop
IAD7:23 pmWashington, D.C. Dulles Intl
$332

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 July 5, 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

Cheapest round-trip
Quickest round-trip

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Sat 8/29

6:59 pm-10:37 pm

1 stop5h 38m

Rapid City

Sat 9/5

6:48 am-1:48 pm

1 stop5h 00m

$271

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 8/11

6:00 am-10:02 am

1 stop6h 02m

Rapid City

Wed 8/19

2:32 pm-11:21 pm

1 stop6h 49m

$271

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Sat 10/24

6:59 pm-10:30 pm

1 stop5h 31m

Rapid City

Tue 10/27

11:41 am-10:46 pm

2 stops9h 05m

$276

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 11/7

8:00 am-3:57 pm

2 stops9h 57m

Rapid City

Wed 11/11

4:00 pm-11:33 pm

1 stop5h 33m

$276

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 8/5

5:42 pm-11:16 pm

1 stop7h 34m

Rapid City

Tue 8/11

6:09 am-1:55 pm

1 stop5h 46m

$304

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 8/11

1:32 pm-9:01 am

1 stop21h 29m

Rapid City

Sun 8/16

10:06 pm-8:04 am

1 stop31h 58m

$316

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 10/31

4:15 pm-8:45 pm

1 stop6h 30m

Rapid City

Thu 11/5

8:55 am-5:55 pm

1 stop7h 00m

$324

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Tue 8/11

5:21 pm-9:01 am

1 stop17h 40m

Rapid City

Sat 8/15

12:05 pm-8:34 pm

2 stops30h 29m

$328

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Sun 8/2

5:00 am-9:47 am

1 stop6h 47m

Rapid City

Wed 8/12

3:21 pm-11:59 pm

1 stop6h 38m

$329

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Sun 8/2

5:00 am-9:47 am

1 stop6h 47m

Rapid City

Tue 8/11

3:21 pm-11:59 pm

1 stop6h 38m

$335

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

What is the cheapest month to fly to Rapid City?

The month of June is, on average, the cheapest month to fly to Rapid City from Washington, D.C., with most prices found around $202. If you aren’t able to travel to Rapid City during the month of June, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $231.

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

You could potentially save up to 38% 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

Fastest flight time

5h 02m

Direct flights

None
The fastest flight from Washington, D.C. to Rapid City takes 5h 02m
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

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

  • 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 02m 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
7.1
11,777 reviews
Search American Airlines flights
DeltaPriceFrom $270Free CancellationRating
7.8
8,451 reviews
Search Delta flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
9,933 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
Custer
Wall
Hill City
Hot Springs
Spearfish

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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