How long is the flight from Washington, D.C. Dulles Intl Airport to Rapid City?

Airlines like Delta and United Airlines fly from Washington, D.C. Dulles Intl Airport to Rapid City in about 8h 08m. The time it takes to get you to your destination can typically vary by up to 2h 57m. The distance from Washington, D.C. Dulles Intl Airport to Rapid City is about 1364 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Rapid City round-trip?

Flying on United Airlines is currently your cheapest option to Rapid City, with prices starting at $304. Another option worth looking into is American Airlines, starting at $359 round trip. Users have found that United Airlines is 30% cheaper than the other options available to this destination.

In terms of precipitation, rainfall in Rapid City ranges from 0.3 - 3.2 inches per month. May is typically the wettest month, when rainfall can reach 3.2 in. January is typically the driest time to visit Rapid City when rainfall is around 0.3 in.

If weather is an important factor for your trip to Rapid City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Rapid City flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Rapid City flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Rapid City flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Rapid City flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Rapid City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Rapid City from Washington, D.C. Dulles Intl?

If you book a flight to Rapid City from Washington, D.C. Dulles Intl, you will be flying to Rapid City, which is the city’s only airport. Rapid City (RAP) is located 9.0 mi from the center of Rapid City. There are 0 flights from Washington, D.C. Dulles Intl to Rapid City per day from 2 different airlines.

Can I find deals for flights from Dulles Intl to Rapid City that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Rapid City flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Rapid City?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Rapid City.

Can I find deals for business class flights from Dulles Intl to Rapid City?

Yes. Cheapflights offers flight deals from Dulles Intl to Rapid City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$256+ Flights from Washington, D.C. Dulles Intl Airport to Rapid City

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Cheap flight deals from Dulles Intl to Rapid City

Cheapest flights from Dulles Intl to Rapid City
Explore the most affordable flight options available from Dulles Intl to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Fri 12/196:20 amIAD - RAP

1 stop7h 12mUnited Airlines

Mon 12/228:45 amRAP - IAD

1 stop8h 05mUnited Airlines

Deal found 12/17

$624

Fri 12/196:00 amIAD - RAP

2 stops10h 09mDelta

Mon 12/226:19 amRAP - IAD

2 stops9h 42mDelta

Deal found 12/17

$1,033

Sat 12/276:20 amIAD - RAP

1 stop14h 52mUnited Airlines

Fri 1/26:05 pmRAP - IAD

1 stop15h 19mUnited Airlines

Deal found 12/16

$1,067

Sat 12/275:29 pmIAD - RAP

2 stops7h 12mDelta

Fri 1/26:19 amRAP - IAD

1 stop5h 22mDelta

Deal found 12/16

$1,624

Best flights from Dulles Intl to Rapid City
Discover carefully curated flight deals from Dulles Intl to Rapid City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Thu 1/86:20 amIAD - RAP

2 stops11h 05mDelta

Wed 1/146:00 amRAP - IAD

1 stop5h 38mDelta

Deal found 12/17

$294

Wed 1/142:24 pmIAD - RAP

1 stop8h 08mUnited Airlines

Sat 1/1712:35 pmRAP - IAD

1 stop6h 32mUnited Airlines

Deal found 12/17

$369

Tue 1/66:00 amIAD - RAP

1 stop9h 34mAmerican Airlines

Tue 1/136:00 amRAP - IAD

1 stop8h 31mAmerican Airlines

Deal found 12/16

$374

Sat 1/104:11 pmIAD - RAP

1 stop8h 18mUnited Airlines

Tue 1/1312:35 pmRAP - IAD

1 stop6h 32mUnited Airlines

Deal found 12/15

$369

Fri 1/95:26 pmIAD - RAP

2 stops7h 02mDelta

Sun 1/114:10 pmRAP - IAD

1 stop5h 47mDelta

Deal found 12/17

$379

Thu 1/82:24 pmIAD - RAP

1 stop6h 50mUnited Airlines

Wed 1/145:10 amRAP - IAD

1 stop6h 07mUnited Airlines

Deal found 12/17

$370

Mon 1/196:00 amIAD - RAP

1 stop9h 34mAmerican Airlines

Sat 1/246:00 amRAP - IAD

1 stop8h 31mAmerican Airlines

Deal found 12/16

$410

Fri 1/26:00 amIAD - RAP

1 stop7h 12mDelta

Mon 1/510:54 amRAP - IAD

1 stop6h 30mDelta

Deal found 12/17

$429

Thu 1/14:00 pmIAD - RAP

1 stop7h 59mUnited Airlines

Mon 1/55:15 amRAP - IAD

1 stop6h 01mUnited Airlines

Deal found 12/17

$405

Thu 4/166:15 amIAD - RAP

1 stop5h 43mDelta

Mon 4/204:00 pmRAP - IAD

1 stop5h 29mDelta

Deal found 12/16

$429

Last-minute flights from Dulles Intl to Rapid City
Discover last-minute flight deals from Dulles Intl to Rapid City. Data last updated December 18, 2025 and is based on user searches.

Thu 1/14:00 pmIAD - RAP

1 stop7h 59mUnited Airlines

Mon 1/55:15 amRAP - IAD

1 stop6h 01mUnited Airlines

Deal found 12/17

$405

Fri 1/26:00 amIAD - RAP

1 stop7h 12mDelta

Mon 1/510:54 amRAP - IAD

1 stop6h 30mDelta

Deal found 12/17

$429

Tue 1/66:00 amIAD - RAP

1 stop9h 34mAmerican Airlines

Tue 1/136:00 amRAP - IAD

1 stop8h 31mAmerican Airlines

Deal found 12/16

$374

Thu 1/86:20 amIAD - RAP

2 stops11h 05mDelta

Wed 1/146:00 amRAP - IAD

1 stop5h 38mDelta

Deal found 12/17

$294

Thu 1/82:24 pmIAD - RAP

1 stop6h 50mUnited Airlines

Wed 1/145:10 amRAP - IAD

1 stop6h 07mUnited Airlines

Deal found 12/17

$370

Fri 1/95:26 pmIAD - RAP

2 stops7h 02mDelta

Sun 1/114:10 pmRAP - IAD

1 stop5h 47mDelta

Deal found 12/17

$379

Sat 1/105:15 pmIAD - RAP

1 stop7h 14mUnited Airlines

Tue 1/135:10 amRAP - IAD

1 stop6h 07mUnited Airlines

Deal found 12/16

$369

Mon 1/196:00 amIAD - RAP

1 stop9h 34mAmerican Airlines

Sat 1/246:00 amRAP - IAD

1 stop8h 31mAmerican Airlines

Deal found 12/16

$410

One-way flights from Dulles Intl to Rapid City
Search for one-way flight options from Dulles Intl to Rapid City. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Mon 1/55:20 pmIAD - RAP

1 stop6h 39mUnited Airlines

Deal found 12/15

$256

Mon 1/55:26 pmIAD - RAP

2 stops7h 02mDelta

Deal found 12/15

$400

Find flight deals from Dulles Intl to Rapid City

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$294 (Delta)
One-way from	$256 (United Airlines)
Popular in	June
Cheapest in	February
Average price	$488

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Rapid City flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Rapid City flights.

Search Deals

From Washington, D.C. Dulles Intl to Rapid City

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Rapid City

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($81 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Thu 1/8

6:20 am-3:25 pm

2 stops11h 05m

Rapid City

Wed 1/14

6:00 am-1:38 pm

1 stop5h 38m

$294

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 1/14

2:24 pm-8:32 pm

1 stop8h 08m

Rapid City

Sat 1/17

12:35 pm-9:07 pm

1 stop6h 32m

$369

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 1/10

4:11 pm-10:29 pm

1 stop8h 18m

Rapid City

Tue 1/13

12:35 pm-9:07 pm

1 stop6h 32m

$369

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Thu 1/8

2:24 pm-7:14 pm

1 stop6h 50m

Rapid City

Wed 1/14

5:10 am-1:17 pm

1 stop6h 07m

$370

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 1/6

6:00 am-1:34 pm

1 stop9h 34m

Rapid City

Tue 1/13

6:00 am-4:31 pm

1 stop8h 31m

$374

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Fri 1/9

5:26 pm-10:28 pm

2 stops7h 02m

Rapid City

Sun 1/11

4:10 pm-11:57 pm

1 stop5h 47m

$379

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Thu 1/1

4:00 pm-9:59 pm

1 stop7h 59m

Rapid City

Mon 1/5

5:15 am-1:16 pm

1 stop6h 01m

$405

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Mon 1/19

6:00 am-1:34 pm

1 stop9h 34m

Rapid City

Sat 1/24

6:00 am-4:31 pm

1 stop8h 31m

$410

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Fri 1/2

6:00 am-11:12 am

1 stop7h 12m

Rapid City

Mon 1/5

10:54 am-7:24 pm

1 stop6h 30m

$429

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Thu 4/16

6:15 am-9:58 am

1 stop5h 43m

Rapid City

Mon 4/20

4:00 pm-11:29 pm

1 stop5h 29m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 12 results

Compare providers for flights from Dulles Intl to Rapid City

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Rapid City in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Rapid City flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Rapid City flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Rapid City flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Rapid City flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Rapid City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from Dulles Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Rapid City

What is the cheapest time of day to fly from IAD to RAP?

When flying from Washington, D.C. Dulles Intl Airport to Rapid City, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 22% versus a flight at noon.

Reviews of airlines servicing Rapid City

See what other customers who have flown with United Airlines and American Airlines from Washington, D.C. Dulles Intl Airport to Rapid City have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,091 reviews

Reviews

1 / 20

4.0

Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

United Airlines

7.4

Good

9,091 reviews

United Airlines

7.4

Good

9,091 reviews

Reviews

1 / 20

4.0

Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

American Airlines

7.2

Good

11,054 reviews

United Airlines

7.4

Good

9,091 reviews

Reviews

1 / 20

4.0

Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

Related info for your journey

What airport do you fly into for flights to Rapid City from Washington, D.C. Dulles Intl?
If you book a flight to Rapid City from Washington, D.C. Dulles Intl, you will be flying to Rapid City, which is the city’s only airport. Rapid City (RAP) is located 9.0 mi from the center of Rapid City. There are 0 flights from Washington, D.C. Dulles Intl to Rapid City per day from 2 different airlines.
How long is the flight from Washington, D.C. Dulles Intl Airport to Rapid City?
Airlines like Delta and United Airlines fly from Washington, D.C. Dulles Intl Airport to Rapid City in about 8h 08m. The time it takes to get you to your destination can typically vary by up to 2h 57m. The distance from Washington, D.C. Dulles Intl Airport to Rapid City is about 1364 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Rapid City round-trip?
Flying on United Airlines is currently your cheapest option to Rapid City, with prices starting at $304. Another option worth looking into is American Airlines, starting at $359 round trip. Users have found that United Airlines is 30% cheaper than the other options available to this destination.
Can I find deals for flights from Dulles Intl to Rapid City that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Rapid City flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Rapid City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Rapid City.
Can I find deals for business class flights from Dulles Intl to Rapid City?
Yes. Cheapflights offers flight deals from Dulles Intl to Rapid City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 2 airlines flying from Dulles Intl to Rapid City

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$304	Average$493	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$359	Average$439	FlexibilityNo cancel fee	On-time71%

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$256+ Cheap flights from Dulles Intl (IAD) to Rapid City (RAP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/5. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Dulles Intl to Rapid City

Cheapest flights from Dulles Intl to Rapid CityExplore the most affordable flight options available from Dulles Intl to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Explore the most affordable flight options available from Dulles Intl to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

Find flight deals from Dulles Intl to Rapid City

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Most trusted provider

Round-trip from

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Popular in

Cheapest in

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Cheapflights Fare Finder

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

Compare providers for flights from Dulles Intl to Rapid City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Rapid City in December.

Best time to book a flight from Dulles Intl to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Rapid City

What is the cheapest time of day to fly from IAD to RAP?

Reviews of airlines servicing Rapid City

See what other customers who have flown with United Airlines and American Airlines from Washington, D.C. Dulles Intl Airport to Rapid City have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Rapid City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Rapid City from Washington, D.C. Dulles Intl?

How long is the flight from Washington, D.C. Dulles Intl Airport to Rapid City?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Rapid City round-trip?

Can I find deals for flights from Dulles Intl to Rapid City that include hotel bookings?

How can I find direct flights from Dulles Intl to Rapid City?

Can I find deals for business class flights from Dulles Intl to Rapid City?

Traveling to a place near Rapid City?

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Alternative routes for Dulles Intl to Rapid City

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Top 2 airlines flying from Dulles Intl to Rapid City

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Cheapest flights from Dulles Intl to Rapid City
Explore the most affordable flight options available from Dulles Intl to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.