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Cheap flights from Washington, D.C. Dulles Intl Airport to Rapid City from $216

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 3/1. 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
2:21 pm - 9:04 pm
IAD
-
RAP
8h 43m
1 stop
United Airlines Logo
7:00 am - 3:46 pm
RAP
-
IAD
6h 46m
1 stop
$289United Airlines
Sat, Apr 18 - Tue, Apr 21
Delta Logo
5:15 pm - 10:20 pm
IAD
-
RAP
7h 05m
2 stops
Delta Logo
10:58 am - 5:57 pm
RAP
-
IAD
4h 59m
1 stop
$304Delta
Sat, Apr 18 - Tue, Apr 21
United Airlines Logo
6:15 am - 10:19 am
IAD
-
RAP
6h 04m
1 stop
United Airlines Logo
10:13 am - 7:12 pm
RAP
-
IAD
6h 59m
1 stop
$307United Airlines
Mon, Jul 6 - Tue, Jul 14
United Airlines Logo
6:15 am - 10:36 am
IAD
-
RAP
6h 21m
1 stop
United Airlines Logo
2:35 pm - 11:34 pm
RAP
-
IAD
6h 59m
1 stop
$308United Airlines
Thu, Apr 30 - Mon, May 4
Delta Logo
12:35 pm - 10:27 pm
IAD
-
RAP
11h 52m
2 stops
Delta Logo
4:01 pm - 11:41 pm
RAP
-
IAD
5h 40m
1 stop
$329Delta
Mon, Mar 2 - Tue, Mar 17
United Airlines Logo
6:30 am - 12:35 pm
IAD
-
RAP
8h 05m
1 stop
United Airlines Logo
4:30 pm - 12:32 am
RAP
-
IAD
6h 02m
1 stop
$336United Airlines
Sat, Aug 8 - Wed, Aug 12
United Airlines Logo
2:12 pm - 8:44 pm
IAD
-
RAP
8h 32m
1 stop
United Airlines Logo
2:52 pm - 11:18 pm
RAP
-
IAD
6h 26m
1 stop
$339United Airlines
Tue, Feb 24 - Sat, Feb 28
American Airlines Logo
11:30 am - 10:51 pm
IAD
-
RAP
13h 21m
2 stops
American Airlines Logo
5:31 am - 4:34 pm
RAP
-
IAD
9h 03m
1 stop
$344American Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
2:18 pm - 8:34 pm
IAD
-
RAP
8h 16m
1 stop
United Airlines Logo
2:45 pm - 11:20 pm
RAP
-
IAD
6h 35m
1 stop
$357United Airlines
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
5:15 pm - 10:28 pm
IAD
-
RAP
7h 13m
1 stop
United Airlines Logo
9:20 am - 5:28 pm
RAP
-
IAD
6h 08m
1 stop
$366United Airlines
Tue, Apr 28 - Wed, Apr 29

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 18
IAD2:21 pmWashington, D.C. Dulles Intl
8h 43m
1 stop
RAP9:04 pmRapid City
Apr 21
RAP7:00 amRapid City
6h 46m
1 stop
IAD3:46 pmWashington, D.C. Dulles Intl
$289
United Airlines
Jul 6
IAD6:15 amWashington, D.C. Dulles Intl
6h 04m
1 stop
RAP10:19 amRapid City
Jul 14
RAP10:13 amRapid City
6h 59m
1 stop
IAD7:12 pmWashington, D.C. Dulles Intl
$307
United Airlines
Apr 30
IAD6:15 amWashington, D.C. Dulles Intl
6h 21m
1 stop
RAP10:36 amRapid City
May 4
RAP2:35 pmRapid City
6h 59m
1 stop
IAD11:34 pmWashington, D.C. Dulles Intl
$308

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
Feb 24
IAD11:30 amWashington, D.C. Dulles Intl
13h 21m
2 stops
RAP10:51 pmRapid City
Feb 28
RAP5:31 amRapid City
9h 03m
1 stop
IAD4:34 pmWashington, D.C. Dulles Intl
$344
American Airlines
Mar 24
IAD6:00 amWashington, D.C. Dulles Intl
9h 51m
1 stop
RAP1:51 pmRapid City
Mar 26
RAP2:21 pmRapid City
6h 32m
1 stop
IAD10:53 pmWashington, D.C. Dulles Intl
$371
American Airlines
Mar 2
IAD5:37 pmWashington, D.C. Dulles Intl
7h 14m
1 stop
RAP10:51 pmRapid City
Mar 17
RAP2:21 pmRapid City
6h 32m
1 stop
IAD10:53 pmWashington, D.C. Dulles Intl
$374

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 11, 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

Sat 4/18

2:21 pm-9:04 pm

1 stop8h 43m

Rapid City

Tue 4/21

7:00 am-3:46 pm

1 stop6h 46m

$289

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 4/18

5:15 pm-10:20 pm

2 stops7h 05m

Rapid City

Tue 4/21

10:58 am-5:57 pm

1 stop4h 59m

$304

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Mon 7/6

6:15 am-10:19 am

1 stop6h 04m

Rapid City

Tue 7/14

10:13 am-7:12 pm

1 stop6h 59m

$307

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Thu 4/30

6:15 am-10:36 am

1 stop6h 21m

Rapid City

Mon 5/4

2:35 pm-11:34 pm

1 stop6h 59m

$308

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Mon 3/2

12:35 pm-10:27 pm

2 stops11h 52m

Rapid City

Tue 3/17

4:01 pm-11:41 pm

1 stop5h 40m

$329

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 8/8

6:30 am-12:35 pm

1 stop8h 05m

Rapid City

Wed 8/12

4:30 pm-12:32 am

1 stop6h 02m

$336

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 2/24

2:12 pm-8:44 pm

1 stop8h 32m

Rapid City

Sat 2/28

2:52 pm-11:18 pm

1 stop6h 26m

$339

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 2/24

11:30 am-10:51 pm

2 stops13h 21m

Rapid City

Sat 2/28

5:31 am-4:34 pm

1 stop9h 03m

$344

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Thu 3/5

2:18 pm-8:34 pm

1 stop8h 16m

Rapid City

Mon 3/9

2:45 pm-11:20 pm

1 stop6h 35m

$357

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 4/28

5:15 pm-10:28 pm

1 stop7h 13m

Rapid City

Wed 4/29

9:20 am-5:28 pm

1 stop6h 08m

$366

Flights are sorted by cheapest round-trip flights 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?

American Airlines, United Airlines, and Delta 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 43m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Rapid City takes 5h 43m
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 43m 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
9,273 reviews
Search United Airlines flights
American AirlinesPriceFrom $359Free CancellationRating
7.2
11,265 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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