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Cheap flights from Washington, D.C. to Rapid City from $137

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 8/7. 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.
Delta Logo
7:40 am - 1:52 pm
DCA
-
RAP
8h 12m
1 stop
Delta Logo
6:55 am - 1:58 pm
RAP
-
DCA
5h 03m
1 stop
$281Delta
Tue, Oct 27 - Sat, Oct 31
Delta Logo
6:40 pm - 10:39 pm
IAD
-
RAP
5h 59m
1 stop
Delta Logo
4:00 pm - 11:33 pm
RAP
-
IAD
5h 33m
1 stop
$281Delta
Wed, Oct 14 - Tue, Oct 20
Delta Logo
5:15 pm - 10:39 pm
DCA
-
RAP
7h 24m
2 stops
Delta Logo
4:00 pm - 11:29 pm
RAP
-
DCA
5h 29m
1 stop
$286Delta
Tue, Oct 27 - Sat, Oct 31
Delta Logo
7:30 am - 11:12 am
IAD
-
RAP
5h 42m
1 stop
Delta Logo
11:30 am - 12:05 am
RAP
-
IAD
10h 35m
2 stops
$286Delta
Tue, Oct 27 - Sat, Oct 31
United Airlines Logo
12:50 pm - 5:23 pm
IAD
-
RAP
6h 33m
1 stop
United Airlines Logo
8:55 am - 7:23 pm
RAP
-
IAD
8h 28m
1 stop
$297United Airlines
Sat, Aug 29 - Sat, Sep 5
Delta Logo
6:30 am - 10:33 am
DCA
-
RAP
6h 03m
1 stop
Delta Logo
4:29 pm - 11:26 pm
RAP
-
DCA
4h 57m
1 stop
$300Delta
Wed, Jun 3 - Wed, Jun 10
Delta Logo
2:45 pm - 10:24 pm
DCA
-
RAP
9h 39m
2 stops
Delta Logo
4:29 pm - 11:26 pm
RAP
-
DCA
4h 57m
1 stop
$305Delta
Wed, Jun 3 - Wed, Jun 10
Delta Logo
6:00 am - 10:15 am
IAD
-
RAP
6h 15m
1 stop
Delta Logo
6:48 am - 7:35 pm
RAP
-
IAD
10h 47m
2 stops
$305Delta
Tue, Jun 23 - Tue, Jun 30
Delta Logo
7:40 am - 11:12 am
DCA
-
RAP
5h 32m
1 stop
Delta Logo
4:00 pm - 11:29 pm
RAP
-
DCA
5h 29m
1 stop
$310Delta
Tue, Oct 27 - Sun, Nov 1
United Airlines Logo
6:15 am - 10:24 am
DCA
-
RAP
6h 09m
1 stop
United Airlines Logo
6:00 am - 2:22 pm
RAP
-
DCA
6h 22m
1 stop
$320United Airlines
Wed, Jun 3 - Wed, Jun 10

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 29
DCA10:15 amWashington, D.C. Reagan-National
6h 41m
1 stop
RAP2:56 pmRapid City
Sep 8
RAP3:23 pmRapid City
15h 37m
1 stop
DCA9:00 amWashington, D.C. Reagan-National
$353
American Airlines
Aug 29
DCA10:15 amWashington, D.C. Reagan-National
6h 41m
1 stop
RAP2:56 pmRapid City
Sep 8
RAP3:23 pmRapid City
16h 37m
1 stop
DCA10:00 amWashington, D.C. Reagan-National
$358
American Airlines
Jul 12
DCA5:00 amWashington, D.C. Reagan-National
8h 17m
1 stop
RAP11:17 amRapid City
Jul 15
RAP11:50 amRapid City
6h 10m
1 stop
DCA8:00 pmWashington, D.C. Reagan-National
$375

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

Our best Delta deals on Washington, D.C. to Rapid City flight tickets
Delta
Oct 27
DCA7:40 amWashington, D.C. Reagan-National
8h 12m
1 stop
RAP1:52 pmRapid City
Oct 31
RAP6:55 amRapid City
5h 03m
1 stop
DCA1:58 pmWashington, D.C. Reagan-National
$281
Delta
Oct 27
DCA5:15 pmWashington, D.C. Reagan-National
7h 24m
2 stops
RAP10:39 pmRapid City
Oct 31
RAP4:00 pmRapid City
5h 29m
1 stop
DCA11:29 pmWashington, D.C. Reagan-National
$286
Delta
Jun 3
DCA6:30 amWashington, D.C. Reagan-National
6h 03m
1 stop
RAP10:33 amRapid City
Jun 10
RAP4:29 pmRapid City
4h 57m
1 stop
DCA11:26 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 May 11, 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

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Tue 10/27

7:40 am-1:52 pm

1 stop8h 12m

Rapid City

Sat 10/31

6:55 am-1:58 pm

1 stop5h 03m

$281

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 10/14

6:40 pm-10:39 pm

1 stop5h 59m

Rapid City

Tue 10/20

4:00 pm-11:33 pm

1 stop5h 33m

$281

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Tue 10/27

5:15 pm-10:39 pm

2 stops7h 24m

Rapid City

Sat 10/31

4:00 pm-11:29 pm

1 stop5h 29m

$286

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 10/27

7:30 am-11:12 am

1 stop5h 42m

Rapid City

Sat 10/31

11:30 am-12:05 am

2 stops10h 35m

$286

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 8/29

12:50 pm-5:23 pm

1 stop6h 33m

Rapid City

Sat 9/5

8:55 am-7:23 pm

1 stop8h 28m

$297
Quickest round-trip

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Wed 6/3

6:30 am-10:33 am

1 stop6h 03m

Rapid City

Wed 6/10

4:29 pm-11:26 pm

1 stop4h 57m

$300

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Wed 6/3

2:45 pm-10:24 pm

2 stops9h 39m

Rapid City

Wed 6/10

4:29 pm-11:26 pm

1 stop4h 57m

$305

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 6/23

6:00 am-10:15 am

1 stop6h 15m

Rapid City

Tue 6/30

6:48 am-7:35 pm

2 stops10h 47m

$305

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Tue 10/27

7:40 am-11:12 am

1 stop5h 32m

Rapid City

Sun 11/1

4:00 pm-11:29 pm

1 stop5h 29m

$310

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Wed 6/3

6:15 am-10:24 am

1 stop6h 09m

Rapid City

Wed 6/10

6:00 am-2:22 pm

1 stop6h 22m

$320

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 $215. 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 3% 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

4h 58m

Direct flights

None
The fastest flight from Washington, D.C. to Rapid City takes 4h 58m
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. 4h 58m 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
11,667 reviews
Search American Airlines flights
United AirlinesPriceFrom $283Free CancellationRating
7.4
9,699 reviews
Search United Airlines flights
DeltaPriceFrom $289Free CancellationRating
7.9
8,451 reviews
Search Delta 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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