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Cheap flights from Washington, D.C. Dulles Intl Airport to Rapid City from $183

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 4/15. 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 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
12:43 pm - 7:02 pm
IAD
-
RAP
8h 19m
1 stop
United Airlines Logo
2:42 pm - 11:34 pm
RAP
-
IAD
6h 52m
1 stop
$279United Airlines
Wed, Apr 8 - Sat, Apr 11
United Airlines Logo
6:15 am - 10:35 am
IAD
-
RAP
6h 20m
1 stop
United Airlines Logo
2:42 pm - 11:34 pm
RAP
-
IAD
6h 52m
1 stop
$284United Airlines
Thu, Apr 9 - Sat, Apr 11
United Airlines Logo
5:20 pm - 10:27 pm
IAD
-
RAP
7h 07m
1 stop
United Airlines Logo
9:20 am - 5:28 pm
RAP
-
IAD
6h 08m
1 stop
$289United Airlines
Wed, Apr 15 - Sat, Apr 18
Delta Logo
5:15 pm - 10:20 pm
IAD
-
RAP
7h 05m
2 stops
Delta Logo
2:36 pm - 11:41 pm
RAP
-
IAD
7h 05m
1 stop
$294Delta
Sat, May 2 - Sun, May 10
United Airlines Logo
2:21 pm - 7:02 pm
IAD
-
RAP
6h 41m
1 stop
United Airlines Logo
11:40 am - 7:23 pm
RAP
-
IAD
5h 43m
1 stop
$299United Airlines
Wed, Apr 8 - Sun, Apr 12
Delta Logo
5:15 pm - 10:20 pm
IAD
-
RAP
7h 05m
2 stops
Delta Logo
11:10 am - 10:56 pm
RAP
-
IAD
9h 46m
2 stops
$300Delta
Sat, May 2 - Wed, May 13
United Airlines Logo
2:21 pm - 7:02 pm
IAD
-
RAP
6h 41m
1 stop
United Airlines Logo
11:40 am - 7:23 pm
RAP
-
IAD
5h 43m
1 stop
$304United Airlines
Wed, Apr 8 - Sun, Apr 12
Delta Logo
6:37 pm - 10:20 pm
IAD
-
RAP
5h 43m
1 stop
Delta Logo
2:36 pm - 11:41 pm
RAP
-
IAD
7h 05m
1 stop
$314Delta
Tue, May 5 - Wed, May 13
Delta Logo
5:07 pm - 10:20 pm
IAD
-
RAP
7h 13m
2 stops
Delta Logo
2:36 pm - 11:41 pm
RAP
-
IAD
7h 05m
1 stop
$319Delta
Wed, May 6 - Sun, May 10
Delta Logo
5:07 pm - 10:20 pm
IAD
-
RAP
7h 13m
2 stops
Delta Logo
2:36 pm - 12:46 am
RAP
-
IAD
8h 10m
2 stops
$325Delta
Wed, May 6 - Tue, May 12

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
Apr 8
IAD12:43 pmWashington, D.C. Dulles Intl
8h 19m
1 stop
RAP7:02 pmRapid City
Apr 11
RAP2:42 pmRapid City
6h 52m
1 stop
IAD11:34 pmWashington, D.C. Dulles Intl
$279
United Airlines
Apr 9
IAD6:15 amWashington, D.C. Dulles Intl
6h 20m
1 stop
RAP10:35 amRapid City
Apr 11
RAP2:42 pmRapid City
6h 52m
1 stop
IAD11:34 pmWashington, D.C. Dulles Intl
$284
United Airlines
Apr 15
IAD5:20 pmWashington, D.C. Dulles Intl
7h 07m
1 stop
RAP10:27 pmRapid City
Apr 18
RAP9:20 amRapid City
6h 08m
1 stop
IAD5:28 pmWashington, D.C. Dulles Intl
$289

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
Apr 8
IAD9:19 amWashington, D.C. Dulles Intl
9h 08m
2 stops
RAP4:27 pmRapid City
Apr 11
RAP1:08 pmRapid City
8h 18m
1 stop
IAD11:26 pmWashington, D.C. Dulles Intl
$378
American Airlines
May 24
IAD6:22 amWashington, D.C. Dulles Intl
6h 58m
1 stop
RAP11:20 amRapid City
May 29
RAP11:50 amRapid City
5h 47m
1 stop
IAD7:37 pmWashington, D.C. Dulles Intl
$395
American Airlines
May 21
IAD6:22 amWashington, D.C. Dulles Intl
6h 58m
1 stop
RAP11:20 amRapid City
May 28
RAP12:41 pmRapid City
8h 05m
1 stop
IAD10:46 pmWashington, D.C. Dulles Intl
$399

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 February 21, 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

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 4/8

12:43 pm-7:02 pm

1 stop8h 19m

Rapid City

Sat 4/11

2:42 pm-11:34 pm

1 stop6h 52m

$279

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Thu 4/9

6:15 am-10:35 am

1 stop6h 20m

Rapid City

Sat 4/11

2:42 pm-11:34 pm

1 stop6h 52m

$284

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 4/15

5:20 pm-10:27 pm

1 stop7h 07m

Rapid City

Sat 4/18

9:20 am-5:28 pm

1 stop6h 08m

$289

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 5/2

5:15 pm-10:20 pm

2 stops7h 05m

Rapid City

Sun 5/10

2:36 pm-11:41 pm

1 stop7h 05m

$294

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 4/8

2:21 pm-7:02 pm

1 stop6h 41m

Rapid City

Sun 4/12

11:40 am-7:23 pm

1 stop5h 43m

$299

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 5/2

5:15 pm-10:20 pm

2 stops7h 05m

Rapid City

Wed 5/13

11:10 am-10:56 pm

2 stops9h 46m

$300

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 4/8

2:21 pm-7:02 pm

1 stop6h 41m

Rapid City

Sun 4/12

11:40 am-7:23 pm

1 stop5h 43m

$304

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 5/5

6:37 pm-10:20 pm

1 stop5h 43m

Rapid City

Wed 5/13

2:36 pm-11:41 pm

1 stop7h 05m

$314

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 5/6

5:07 pm-10:20 pm

2 stops7h 13m

Rapid City

Sun 5/10

2:36 pm-11:41 pm

1 stop7h 05m

$319

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 5/6

5:07 pm-10:20 pm

2 stops7h 13m

Rapid City

Tue 5/12

2:36 pm-12:46 am

2 stops8h 10m

$325

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 cheapest airline that flies from Washington, D.C. Dulles Intl to Rapid City?

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

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 18m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Rapid City takes 5h 18m
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

  • 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 18m 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 $304Free CancellationRating
7.4
9,341 reviews
Search United Airlines flights
American AirlinesPriceFrom $359Free CancellationRating
7.2
11,338 reviews
Search American Airlines flights

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
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Sturgis
Spearfish
Custer
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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