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Cheap flights from Washington, D.C. Dulles Intl Airport to Rapid City from $289

This is the cheapest round-trip 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 2/20. 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
2:12 pm - 6:54 pm
IAD
-
RAP
6h 42m
1 stop
United Airlines Logo
5:20 am - 1:05 pm
RAP
-
IAD
5h 45m
1 stop
$289United Airlines
Fri, Feb 20 - Tue, Feb 24
Delta Logo
5:26 pm - 10:28 pm
IAD
-
RAP
7h 02m
2 stops
Delta Logo
4:10 pm - 11:57 pm
RAP
-
IAD
5h 47m
1 stop
$294Delta
Fri, Feb 6 - Mon, Feb 9
Delta Logo
7:15 am - 3:25 pm
IAD
-
RAP
10h 10m
2 stops
Delta Logo
10:54 am - 11:06 pm
RAP
-
IAD
10h 12m
2 stops
$300Delta
Fri, Feb 6 - Mon, Feb 9
Delta Logo
5:13 pm - 10:27 pm
IAD
-
RAP
7h 14m
2 stops
Delta Logo
4:29 pm - 11:55 pm
RAP
-
IAD
5h 26m
1 stop
$314Delta
Fri, Feb 20 - Tue, Feb 24
Delta Logo
5:13 pm - 10:27 pm
IAD
-
RAP
7h 14m
2 stops
Delta Logo
10:54 am - 12:21 am
RAP
-
IAD
11h 27m
2 stops
$320Delta
Fri, Feb 20 - Tue, Feb 24
American Airlines Logo
6:00 am - 1:34 pm
IAD
-
RAP
9h 34m
1 stop
American Airlines Logo
6:00 am - 4:31 pm
RAP
-
IAD
8h 31m
1 stop
$339American Airlines
Tue, Jan 27 - Sat, Jan 31
American Airlines Logo
1:08 pm - 9:15 pm
IAD
-
RAP
10h 07m
2 stops
American Airlines Logo
6:00 am - 4:31 pm
RAP
-
IAD
8h 31m
1 stop
$344American Airlines
Tue, Jan 27 - Sat, Jan 31
American Airlines Logo
1:08 pm - 9:15 pm
IAD
-
RAP
10h 07m
2 stops
American Airlines Logo
2:21 pm - 10:53 pm
RAP
-
IAD
6h 32m
1 stop
$349American Airlines
Thu, Feb 5 - Fri, Feb 13
Delta Logo
5:26 pm - 10:28 pm
IAD
-
RAP
7h 02m
2 stops
Delta Logo
4:10 pm - 11:57 pm
RAP
-
IAD
5h 47m
1 stop
$364Delta
Wed, Jan 28 - Sun, Feb 1
Delta Logo
5:26 pm - 10:28 pm
IAD
-
RAP
7h 02m
2 stops
Delta Logo
10:54 am - 12:24 am
RAP
-
IAD
11h 30m
2 stops
$370Delta
Tue, Jan 27 - Sat, Jan 31

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Rapid City flight tickets
Delta
Feb 6
IAD5:26 pmWashington, D.C. Dulles Intl
7h 02m
2 stops
RAP10:28 pmRapid City
Feb 9
RAP4:10 pmRapid City
5h 47m
1 stop
IAD11:57 pmWashington, D.C. Dulles Intl
$294
Delta
Feb 6
IAD7:15 amWashington, D.C. Dulles Intl
10h 10m
2 stops
RAP3:25 pmRapid City
Feb 9
RAP10:54 amRapid City
10h 12m
2 stops
IAD11:06 pmWashington, D.C. Dulles Intl
$300
Delta
Feb 20
IAD5:13 pmWashington, D.C. Dulles Intl
7h 14m
2 stops
RAP10:27 pmRapid City
Feb 24
RAP10:54 amRapid City
11h 27m
2 stops
IAD12:21 amWashington, D.C. Dulles Intl
$320

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
Jan 27
IAD6:00 amWashington, D.C. Dulles Intl
9h 34m
1 stop
RAP1:34 pmRapid City
Jan 31
RAP6:00 amRapid City
8h 31m
1 stop
IAD4:31 pmWashington, D.C. Dulles Intl
$339
American Airlines
Jan 27
IAD1:08 pmWashington, D.C. Dulles Intl
10h 07m
2 stops
RAP9:15 pmRapid City
Jan 31
RAP6:00 amRapid City
8h 31m
1 stop
IAD4:31 pmWashington, D.C. Dulles Intl
$344
American Airlines
Feb 5
IAD1:08 pmWashington, D.C. Dulles Intl
10h 07m
2 stops
RAP9:15 pmRapid City
Feb 13
RAP2:21 pmRapid City
6h 32m
1 stop
IAD10:53 pmWashington, D.C. Dulles Intl
$349

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 January 13, 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

Fri 2/20

2:12 pm-6:54 pm

1 stop6h 42m

Rapid City

Tue 2/24

5:20 am-1:05 pm

1 stop5h 45m

$289

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Fri 2/6

5:26 pm-10:28 pm

2 stops7h 02m

Rapid City

Mon 2/9

4:10 pm-11:57 pm

1 stop5h 47m

$294

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Fri 2/6

7:15 am-3:25 pm

2 stops10h 10m

Rapid City

Mon 2/9

10:54 am-11:06 pm

2 stops10h 12m

$300

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Fri 2/20

5:13 pm-10:27 pm

2 stops7h 14m

Rapid City

Tue 2/24

4:29 pm-11:55 pm

1 stop5h 26m

$314

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Fri 2/20

5:13 pm-10:27 pm

2 stops7h 14m

Rapid City

Tue 2/24

10:54 am-12:21 am

2 stops11h 27m

$320

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 1/27

6:00 am-1:34 pm

1 stop9h 34m

Rapid City

Sat 1/31

6:00 am-4:31 pm

1 stop8h 31m

$339

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 1/27

1:08 pm-9:15 pm

2 stops10h 07m

Rapid City

Sat 1/31

6:00 am-4:31 pm

1 stop8h 31m

$344

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Thu 2/5

1:08 pm-9:15 pm

2 stops10h 07m

Rapid City

Fri 2/13

2:21 pm-10:53 pm

1 stop6h 32m

$349

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 1/28

5:26 pm-10:28 pm

2 stops7h 02m

Rapid City

Sun 2/1

4:10 pm-11:57 pm

1 stop5h 47m

$364

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 1/27

5:26 pm-10:28 pm

2 stops7h 02m

Rapid City

Sat 1/31

10:54 am-12:24 am

2 stops11h 30m

$370

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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?

American Airlines and United 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

6h 07m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Rapid City takes 6h 07m
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. 6h 07m 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
9,156 reviews
Search United Airlines flights
American AirlinesPriceFrom $359Free CancellationRating
7.2
11,118 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
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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