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Cheap flights from Washington, D.C. Dulles Intl Airport to Rapid City from $155

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. Dulles Intl Airport to Rapid City departing on 7/22. 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 Washington, D.C. Dulles Intl Airport to Rapid City

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:43 pm - 8:44 pm
IAD
-
RAP
8h 01m
1 stop
United Airlines Logo
1:00 pm - 9:05 pm
RAP
-
IAD
6h 05m
1 stop
$271United Airlines
Sat, Oct 24 - Sat, Oct 31
Delta Logo
5:26 pm - 10:26 pm
IAD
-
RAP
7h 00m
2 stops
Delta Logo
4:15 pm - 11:20 pm
RAP
-
IAD
5h 05m
1 stop
$276Delta
Tue, Jul 14 - Tue, Jul 21
Delta Logo
5:26 pm - 10:26 pm
IAD
-
RAP
7h 00m
2 stops
Delta Logo
6:48 am - 4:46 pm
RAP
-
IAD
7h 58m
2 stops
$281Delta
Tue, Jul 14 - Tue, Jul 21
United Airlines Logo
6:15 am - 10:26 am
IAD
-
RAP
6h 11m
1 stop
United Airlines Logo
1:31 pm - 9:20 pm
RAP
-
IAD
5h 49m
1 stop
$287United Airlines
Tue, Aug 11 - Tue, Aug 18
Delta Logo
6:46 pm - 10:26 pm
IAD
-
RAP
5h 40m
1 stop
Delta Logo
4:15 pm - 11:20 pm
RAP
-
IAD
5h 05m
1 stop
$300Delta
Tue, Jul 14 - Tue, Jul 21
Delta Logo
12:37 pm - 10:26 pm
IAD
-
RAP
11h 49m
2 stops
Delta Logo
6:48 am - 4:46 pm
RAP
-
IAD
7h 58m
2 stops
$310Delta
Tue, Jul 14 - Tue, Jul 21
United Airlines Logo
2:43 pm - 8:44 pm
IAD
-
RAP
8h 01m
1 stop
United Airlines Logo
4:41 pm - 12:32 am
RAP
-
IAD
5h 51m
1 stop
$312United Airlines
Wed, Oct 14 - Tue, Oct 20
Delta Logo
6:46 pm - 10:26 pm
IAD
-
RAP
5h 40m
1 stop
Delta Logo
4:15 pm - 11:20 pm
RAP
-
IAD
5h 05m
1 stop
$316Delta
Tue, Jul 14 - Tue, Jul 21
Delta Logo
7:30 am - 1:52 pm
IAD
-
RAP
8h 22m
1 stop
Delta Logo
2:25 pm - 11:33 pm
RAP
-
IAD
7h 08m
1 stop
$329Delta
Fri, Nov 13 - Mon, Nov 16
Delta Logo
6:00 am - 10:18 am
IAD
-
RAP
6h 18m
1 stop
Delta Logo
4:15 pm - 11:20 pm
RAP
-
IAD
5h 05m
1 stop
$335Delta
Wed, Jul 15 - Wed, Jul 22

United Airlines flights from Washington, D.C. Dulles Intl Airport to Rapid City

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Rapid City flight tickets
United Airlines
Aug 11
IAD6:15 amWashington, D.C. Dulles Intl
6h 11m
1 stop
RAP10:26 amRapid City
Aug 18
RAP1:31 pmRapid City
5h 49m
1 stop
IAD9:20 pmWashington, D.C. Dulles Intl
$287
United Airlines
Jul 14
IAD6:10 amWashington, D.C. Dulles Intl
6h 14m
1 stop
RAP10:24 amRapid City
Jul 21
RAP6:00 amRapid City
6h 12m
1 stop
IAD2:12 pmWashington, D.C. Dulles Intl
$341
United Airlines
Jul 7
IAD6:10 amWashington, D.C. Dulles Intl
6h 14m
1 stop
RAP10:24 amRapid City
Jul 14
RAP6:00 amRapid City
6h 12m
1 stop
IAD2:12 pmWashington, D.C. Dulles Intl
$390

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Rapid City flight tickets
American Airlines
Aug 11
IAD6:10 amWashington, D.C. Dulles Intl
7h 39m
1 stop
RAP11:49 amRapid City
Aug 18
RAP3:23 pmRapid City
19h 25m
2 stops
IAD12:48 pmWashington, D.C. Dulles Intl
$350
American Airlines
May 27
IAD6:18 amWashington, D.C. Dulles Intl
7h 59m
1 stop
RAP12:17 pmRapid City
Jun 3
RAP12:41 pmRapid City
8h 06m
1 stop
IAD10:47 pmWashington, D.C. Dulles Intl
$397
American Airlines
Aug 11
IAD5:34 pmWashington, D.C. Dulles Intl
19h 41m
2 stops
RAP11:15 amRapid City
Aug 18
RAP3:23 pmRapid City
19h 25m
2 stops
IAD12:48 pmWashington, D.C. Dulles Intl
$429

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 19, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Rapid City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 10/24

2:43 pm-8:44 pm

1 stop8h 01m

Rapid City

Sat 10/31

1:00 pm-9:05 pm

1 stop6h 05m

$271

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 7/14

5:26 pm-10:26 pm

2 stops7h 00m

Rapid City

Tue 7/21

4:15 pm-11:20 pm

1 stop5h 05m

$276

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 7/14

5:26 pm-10:26 pm

2 stops7h 00m

Rapid City

Tue 7/21

6:48 am-4:46 pm

2 stops7h 58m

$281

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 8/11

6:15 am-10:26 am

1 stop6h 11m

Rapid City

Tue 8/18

1:31 pm-9:20 pm

1 stop5h 49m

$287
Quickest round-trip

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 7/14

6:46 pm-10:26 pm

1 stop5h 40m

Rapid City

Tue 7/21

4:15 pm-11:20 pm

1 stop5h 05m

$300

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 7/14

12:37 pm-10:26 pm

2 stops11h 49m

Rapid City

Tue 7/21

6:48 am-4:46 pm

2 stops7h 58m

$310

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 10/14

2:43 pm-8:44 pm

1 stop8h 01m

Rapid City

Tue 10/20

4:41 pm-12:32 am

1 stop5h 51m

$312

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 7/14

6:46 pm-10:26 pm

1 stop5h 40m

Rapid City

Tue 7/21

4:15 pm-11:20 pm

1 stop5h 05m

$316

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Fri 11/13

7:30 am-1:52 pm

1 stop8h 22m

Rapid City

Mon 11/16

2:25 pm-11:33 pm

1 stop7h 08m

$329

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 7/15

6:00 am-10:18 am

1 stop6h 18m

Rapid City

Wed 7/22

4:15 pm-11:20 pm

1 stop5h 05m

$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. Dulles Intl Airport 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. Dulles Intl Airport and Rapid City?

What is the cheapest month to fly to Rapid City?

The month of December is, on average, the cheapest month to fly to Rapid City from Washington, D.C. Dulles Intl Airport, with most prices found around $0. If you aren’t able to travel to Rapid City during the month of December, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $0.

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

You could potentially save up to 34% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Rapid City flight.

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

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

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

Fastest flight time

5h 41m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Rapid City takes 5h 41m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Rapid City. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Rapid City.
Search flight deals

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

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

    Washington, D.C. Dulles Intl and Rapid City are 1372.9 mi apart from one another. 5h 41m is a normal flight duration for this route.

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

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

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

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

  • What documentation or ID do you need to fly to Rapid City Airport?

    The required travel and health documents for your Rapid City Airport 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 Rapid City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Rapid City with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $276Free CancellationRating
7.4
9,733 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 offers price alerts on flights to Rapid City from Washington, D.C.. 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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