HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Reagan-National

$214+ Cheap flights from Rapid City (RAP) to Reagan-National (DCA)

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — DCA
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Rapid City to Reagan-National 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.

Cheap flight deals from Rapid City to Reagan-National

Cheapest flights from Rapid City to Reagan-National
Explore the most affordable flight options available from Rapid City to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

This Delta deal was found by Cheapflights users on 7/20. 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 9/232:30 pm
RAP
-
DCA
1 stop5h 30m
Delta
Wed 9/306:05 am
DCA
-
RAP
1 stop5h 56m
Delta
Deal found 7/20$271
This Delta deal was found by Cheapflights users on 7/20. 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 9/162:30 pm
RAP
-
DCA
1 stop5h 30m
Delta
Wed 9/232:45 pm
DCA
-
RAP
2 stops9h 33m
Delta
Deal found 7/20$276
This Delta deal was found by Cheapflights users on 7/19. 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 9/512:32 pm
RAP
-
DCA
1 stop7h 13m
Delta
Sat 9/126:59 pm
DCA
-
RAP
1 stop5h 19m
Delta
Deal found 7/19$300
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:36 pm
RAP
-
DCA
1 stop6h 24m
American Airlines
Wed 9/235:00 am
DCA
-
RAP
1 stop6h 47m
American Airlines
Deal found 7/23$310
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Wed 9/301:37 pm
RAP
-
DCA
1 stop5h 37m
United Airlines
Wed 10/76:30 am
DCA
-
RAP
1 stop5h 45m
United Airlines
Deal found 7/19$324
This Delta deal was found by Cheapflights users on 7/19. 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 9/184:31 pm
RAP
-
DCA
1 stop5h 28m
Delta
Fri 9/256:05 am
DCA
-
RAP
1 stop5h 56m
Delta
Deal found 7/19$329
This Delta deal was found by Cheapflights users on 7/19. 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 9/194:31 pm
RAP
-
DCA
1 stop5h 28m
Delta
Sat 9/266:59 pm
DCA
-
RAP
1 stop5h 19m
Delta
Deal found 7/19$335

Find flight deals from Rapid City to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(Delta)

One-way from

$214
(American Airlines)

Popular in

May

Cheapest in

November

Average price

$759
Provider with most accurate pricing for Rapid City-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Washington, D.C. Reagan-National flights.
Search Deals
From Rapid City to Washington, D.C. Reagan-National
Search Deals
One-way flight from Rapid City to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Reagan-National 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 July 23, 2026.
Use the filters below to find and compare flights from Rapid City to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Wed 9/30

4:31 pm-11:59 pm

1 stop5h 28m

Washington, D.C. Reagan-National

Wed 10/7

9:22 am-3:57 pm

2 stops8h 35m

$276

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Wed 9/16

2:30 pm-10:00 pm

1 stop5h 30m

Washington, D.C. Reagan-National

Wed 9/23

2:45 pm-10:18 pm

2 stops9h 33m

$276

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Wed 9/30

1:37 pm-9:14 pm

1 stop5h 37m

Washington, D.C. Reagan-National

Wed 10/7

6:30 am-10:15 am

1 stop5h 45m

$324

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 9/18

2:30 pm-11:59 pm

1 stop7h 29m

Washington, D.C. Reagan-National

Mon 9/21

6:05 am-10:01 am

1 stop5h 56m

$374

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Tue 10/20

1:37 pm-10:52 pm

1 stop7h 15m

Washington, D.C. Reagan-National

Wed 10/28

6:00 am-10:53 am

1 stop6h 53m

$390

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 8/7

2:32 pm-11:50 pm

1 stop7h 18m

Washington, D.C. Reagan-National

Tue 8/11

2:45 pm-10:37 pm

2 stops9h 52m

$395

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Thu 9/17

12:36 pm-8:06 pm

1 stop5h 30m

Washington, D.C. Reagan-National

Sun 9/20

5:00 am-9:47 am

1 stop6h 47m

$399
Quickest round-trip

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 9/18

1:36 pm-9:09 pm

1 stop5h 33m

Washington, D.C. Reagan-National

Fri 9/25

6:30 am-10:15 am

1 stop5h 45m

$471
Cheapest one-way

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Tue 9/1

10:26 am-8:55 am

2 stops20h 29m

$300

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Tue 9/1

12:39 pm-11:59 pm

2 stops9h 20m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 14 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Rapid City-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rapid City-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Rapid City-Washington, D.C. Reagan-National Airport 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 Rapid City to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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.

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated July 23, 2026.
Read through reviews of airlines operating flights from Rapid City to Washington, D.C. Reagan-National Airport, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,479 reviews

Boarding

8.1

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,479 reviews
Delta
7.8
Good
8,479 reviews

Boarding

8.1

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,024 reviews
Delta
7.8
Good
8,479 reviews

Boarding

8.1

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,832 reviews
Delta
7.8
Good
8,479 reviews

Boarding

8.1

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Reagan-National. 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 Washington, D.C. Reagan-National?

    For a flight from Rapid City to Washington, D.C. Reagan-National, you will be flying from Rapid City. Rapid City (RAP) is just 9.0 mi from the center of the city. Rapid City is the only Rapid City airport and it handles 0 outbound flights to Washington, D.C. Reagan-National per day. 3 airlines have flights to Washington, D.C. Reagan-National from Rapid City on a regular basis.

  • How long is the flight from Rapid City to Washington, D.C. Reagan-National Airport?

    A quick flight from Rapid City to Washington, D.C. Reagan-National Airport can take about 5h 28m. Delta provides one of the quickest options available for as low as $276. There are 1387 mi between Rapid City and Washington, D.C. Reagan-National Airport.

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

    Currently priced at $201, United Airlines will fly you from Rapid City to Washington, D.C. Reagan-National Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and American Airlines - these airlines can fly you to your destination from $288 and $323, respectively.

  • Can I find deals for flights from Rapid City to Reagan-National that include hotel bookings?

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

  • How can I find direct flights from Rapid City to Reagan-National?

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

  • Can I find deals for business class flights from Rapid City to Reagan-National?

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

See more FAQs

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Tysons
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Clinton
Hunt Valley
Cordova
Woodbridge
Largo

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 Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Sioux Falls to Reagan-National flights
Rapid City to Dulles Intl flights
Sioux Falls to Baltimore flights
Rapid City to Baltimore flights
Aberdeen to Reagan-National flights
Aberdeen to Baltimore flights

Top 3 airlines flying from Rapid City to Reagan-National

Discover the top 3 airlines that operate flights from Rapid City to Reagan-National. 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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$201Average$429FlexibilityNo cancel feeOn-time69%
DeltaCheapest$288Average$478FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$323Average$477FlexibilityNo 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.
Site
©2026 Cheapflights