HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$167+ Cheap flights from Rapid City (RAP) to District of Columbia

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — IAD
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Rapid City to District of Columbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Rapid City to District of Columbia

Cheapest flights from Rapid City to District of Columbia
Explore the most affordable flight options available from Rapid City to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:51 pmRAP - DCA
1 stop5h 24mDelta
Tue 12/96:10 amDCA - RAP
1 stop6h 12mDelta
Deal found 10/27$269
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:15 amRAP - IAD
1 stop6h 08mUnited Airlines
Tue 12/912:45 pmIAD - RAP
1 stop8h 09mUnited Airlines
Deal found 10/27$269
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:51 pmRAP - IAD
2 stops7h 21mDelta
Tue 12/96:03 amIAD - RAP
1 stop6h 19mDelta
Deal found 10/27$274
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/611:00 amRAP - DCA
2 stops10h 40mDelta
Thu 12/113:06 pmDCA - RAP
2 stops9h 40mDelta
Deal found 10/27$279
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:15 amRAP - IAD
1 stop7h 46mUnited Airlines
Sun 12/75:25 pmIAD - RAP
1 stop6h 50mUnited Airlines
Deal found 10/27$294
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/192:51 pmRAP - DCA
1 stop5h 17mDelta
Sun 11/236:10 amDCA - RAP
1 stop6h 17mDelta
Deal found 10/27$304
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/124:25 pmRAP - IAD
1 stop5h 27mDelta
Fri 11/2111:50 amIAD - RAP
1 stop5h 55mDelta
Deal found 10/28$304
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2011:07 amRAP - DCA
2 stops10h 34mDelta
Mon 11/243:06 pmDCA - RAP
2 stops9h 33mDelta
Deal found 10/28$314
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:05 amRAP - IAD
2 stops13h 17mDelta
Thu 12/46:00 amIAD - RAP
2 stops10h 09mDelta
Deal found 10/28$314
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:51 pmRAP - DCA
1 stop6h 46mDelta
Mon 12/156:10 amDCA - RAP
1 stop6h 12mDelta
Deal found 10/28$320
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/114:25 pmRAP - IAD
1 stop5h 37mDelta
Mon 12/156:03 amIAD - RAP
1 stop6h 19mDelta
Deal found 10/28$320
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/192:51 pmRAP - DCA
1 stop6h 46mDelta
Fri 1/26:00 amDCA - RAP
1 stop7h 12mDelta
Deal found 10/27$324

Cheap flight deals from Rapid City to District of Columbia

Keep the following information in mind while searching for Rapid City to District of Columbia flight deals. Data was last updated October 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$269
(Delta)

One-way from

$167
(Kiwi.com)

Popular in

February

Cheapest in

October

Average price

$318
Provider with most accurate pricing for Rapid City-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Washington, D.C. (WAS) flights.
Search Deals
From Rapid City to District of Columbia
Search Deals
One-way flight from Rapid City to District of Columbia
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($182 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to District of Columbia 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, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from Rapid City to District of Columbia that are best for you.

Fly from

Rapid City

Fly to

District of Columbia

Route

Depart

Return

Price

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Sat 12/6

2:51 pm-11:16 pm

1 stop6h 25m

Washington, D.C. Reagan-National

Wed 12/10

6:29 am-10:22 am

1 stop5h 53m

$269

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Fri 12/5

5:15 am-1:23 pm

1 stop6h 08m

Washington, D.C. Dulles Intl

Tue 12/9

12:45 pm-6:54 pm

1 stop8h 09m

$269

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Thu 11/27

6:05 am-1:38 pm

1 stop5h 33m

Washington, D.C. Reagan-National

Thu 12/4

7:35 am-2:09 pm

1 stop8h 34m

$269

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 12/5

2:51 pm-10:15 pm

1 stop5h 24m

Washington, D.C. Reagan-National

Tue 12/9

7:35 am-2:09 pm

1 stop8h 34m

$269

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Sat 12/6

2:51 pm-11:16 pm

1 stop6h 25m

Washington, D.C. Reagan-National

Thu 12/11

7:35 am-2:09 pm

1 stop8h 34m

$269

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 12/6

6:05 am-1:46 pm

1 stop5h 41m

Washington, D.C. Dulles Intl

Thu 12/11

6:03 am-10:22 am

1 stop6h 19m

$269

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 11/27

6:05 am-2:31 pm

1 stop6h 26m

Washington, D.C. Dulles Intl

Thu 12/4

6:03 am-10:22 am

1 stop6h 19m

$269

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Wed 11/19

2:51 pm-11:52 pm

1 stop7h 01m

Washington, D.C. Dulles Intl

Sun 11/23

6:03 am-10:27 am

1 stop6h 24m

$269

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Fri 12/5

4:25 pm-12:02 am

1 stop5h 37m

Washington, D.C. Dulles Intl

Tue 12/9

6:03 am-10:22 am

1 stop6h 19m

$269

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 12/6

6:05 am-1:46 pm

1 stop5h 41m

Washington, D.C. Dulles Intl

Wed 12/10

6:56 pm-10:46 pm

1 stop5h 50m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 26 results
1
2
3

Best time to book a flight from Rapid City to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Rapid City 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 Rapid City to District of Columbia

What is the cheapest month to book a flight from Rapid City to District of Columbia?

Currently, January is the cheapest month in which you can book a flight from Rapid City to District of Columbia (average of $263). Flying from Rapid City to District of Columbia in July is currently the most expensive (average of $367). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated October 29, 2025.
Read through reviews of airlines operating flights from Rapid City to District of Columbia, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,992 reviews

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,992 reviews
Delta
7.9
Good
7,992 reviews

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,999 reviews
Delta
7.9
Good
7,992 reviews

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,992 reviews

Crew

8.5

Food

7.3

Overall

7.9

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Rapid City to District of Columbia. 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 from for flights from Rapid City to District of Columbia?

    Rapid City (RAP), located 9.0 mi from the city center, is the airport you fly out of when you book flights from Rapid City to District of Columbia.

  • How long is the flight from Rapid City to District of Columbia?

    Departing from Rapid City to District of Columbia will take you 6h 25m. The distance between Rapid City and District of Columbia is about 1387 mi.

  • Can I find deals for flights from Rapid City to District of Columbia that include hotel bookings?

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

  • How can I find direct flights from Rapid City to District of Columbia?

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

  • Can I find deals for business class flights from Rapid City to District of Columbia?

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

  • What is the cheapest month to book a flight from Rapid City to District of Columbia?

    Currently, January is the cheapest month in which you can book a flight from Rapid City to District of Columbia (average of $263). Flying from Rapid City to District of Columbia in July is currently the most expensive (average of $367). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Rapid City to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Sioux Falls to Las Vegas flights
Sioux Falls to Denver flights
Sioux Falls to Sky Harbor Intl flights
Sioux Falls to O'Hare Intl flights
Sioux Falls to Orlando flights
Sioux Falls to John F Kennedy Intl flights
Sioux Falls to Dallas/Fort Worth flights
Sioux Falls to Los Angeles flights
Sioux Falls to LaGuardia flights
Sioux Falls to Newark flights
Sioux Falls to Phoenix-Mesa Gateway flights
Rapid City to Las Vegas flights
Sioux Falls to Fort Myers flights
Sioux Falls to Nashville flights
Rapid City to Hobby flights
Sioux Falls to Raleigh flights
Sioux Falls to Miami flights
Rapid City to Orlando flights
Sioux Falls to Seattle flights
Sioux Falls to San Diego flights
Sioux Falls to Hobby flights
Sioux Falls to Portland flights
Sioux Falls to Midway flights
Sioux Falls to Tampa flights
Sioux Falls to Ontario flights
Rapid City to Minneapolis flights
Sioux Falls to Pittsburgh flights
Sioux Falls to Boston flights
Rapid City to Nashville flights
Rapid City to George Bush Intcntl flights
Sioux Falls to Dulles Intl flights
Sioux Falls to George Bush Intcntl flights
Rapid City to Salt Lake City flights
Sioux Falls to Sarasota flights
Sioux Falls to Minneapolis flights
Rapid City to Denver flights
Sioux Falls to Atlanta flights
Sioux Falls to Key West flights
Sioux Falls to Oklahoma City flights
Sioux Falls to Fort Lauderdale flights
Rapid City to Omaha flights
Rapid City to Dallas/Fort Worth flights
Sioux Falls to Albany flights
Sioux Falls to Reagan-National flights
Rapid City to John F Kennedy Intl flights
Rapid City to Los Angeles flights
Rapid City to Fort Lauderdale flights
Sioux Falls to Baltimore flights
Sioux Falls to Jacksonville flights
Rapid City to Atlanta flights

Top 3 airlines flying from Rapid City to District of Columbia

Discover the top 3 airlines that operate flights from Rapid City to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$488FlexibilityNo cancel feeOn-time69%
DeltaCheapest$268Average$403FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$293Average$403FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.