Rapid City

$162+ Cheap flights from Washington, D.C. (WAS) 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — RAP
nov. 28 — dic. 51
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Rapid City 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.

Cheapflights Tip: The best prices from Washington, D.C. to Rapid City are usually found in November or March, booked 72 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap flight deals from Washington, D.C. to Rapid City

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Rapid City (RAP). 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 octubre 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$269
(Delta)

One-way from

$162
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$463
Provider with most accurate pricing for Washington, D.C. (WAS)-Rapid City flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Rapid City flights.
From Washington, D.C. (WAS) to Rapid City
One-way flight from Washington, D.C. (WAS) to Rapid City
Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Find flight deals from Washington, D.C. to Rapid City

Cheapest flights from Washington, D.C. to Rapid City
Explore the most affordable flight options available from Washington, D.C. to Rapid City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 29, 2025.

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.
jue. 11/206:10 amDCA - RAP
1 stop6h 17mDelta
jue. 11/276:05 amRAP - DCA
1 stop5h 33mDelta
Deal found 10/28$269
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.
jue. 11/206:03 amIAD - RAP
1 stop6h 24mDelta
jue. 11/276:05 amRAP - IAD
1 stop6h 26mDelta
Deal found 10/28$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.
mar. 11/256:00 amBWI - RAP
1 stop6h 27mDelta
mié. 12/32:51 pmRAP - BWI
1 stop7h 30mDelta
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.
jue. 11/1311:50 amIAD - RAP
1 stop5h 55mDelta
lun. 11/174:25 pmRAP - IAD
1 stop5h 27mDelta
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.
lun. 11/246:00 amBWI - RAP
1 stop6h 27mDelta
jue. 12/44:25 pmRAP - BWI
1 stop5h 56mDelta
Deal found 10/27$304
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.
lun. 11/246:00 amBWI - RAP
1 stop6h 27mDelta
sáb. 12/66:05 amRAP - BWI
2 stops11h 27mDelta
Deal found 10/27$309
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.
vie. 11/146:03 amIAD - RAP
1 stop6h 24mDelta
lun. 11/172:51 pmRAP - IAD
1 stop7h 01mDelta
Deal found 10/27$314
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.
mar. 11/116:15 amBWI - RAP
1 stop6h 19mUnited Airlines
sáb. 11/155:15 amRAP - BWI
1 stop7h 57mUnited Airlines
Deal found 10/27$319
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.
mié. 11/196:29 amDCA - RAP
1 stop5h 58mDelta
mié. 11/264:25 pmRAP - DCA
1 stop5h 06mDelta
Deal found 10/28$320
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1211:25 amIAD - RAP
2 stops11h 51mAmerican Airlines
sáb. 11/151:42 pmRAP - IAD
1 stop6h 46mAmerican Airlines
Deal found 10/28$324
This Delta deal was found by Cheapflights users on 10/29. 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.
jue. 11/1311:38 amBWI - RAP
1 stop6h 07mDelta
lun. 11/172:51 pmRAP - BWI
1 stop6h 58mDelta
Deal found 10/29$339
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.
mié. 11/127:01 amIAD - RAP
2 stops10h 44mDelta
sáb. 11/1511:07 amRAP - IAD
2 stops10h 12mDelta
Deal found 10/28$349

Cheapflights Fare Finder

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

Fly from

Washington, D.C.

Fly to

Rapid City

Route

Depart

Return

Price

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

mié. 2/18

6:30 am-10:05 am

1 stop5h 35m

Rapid City

lun. 2/23

4:00 pm-11:33 pm

1 stop5h 33m

$269

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

lun. 1/19

6:00 am-1:34 pm

1 stop9h 34m

Rapid City

sáb. 1/24

6:00 am-4:31 pm

1 stop8h 31m

$269

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

jue. 11/27

9:57 am-2:38 pm

1 stop6h 41m

Rapid City

mié. 12/3

2:55 pm-11:15 pm

1 stop6h 20m

$269

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

jue. 11/20

6:10 am-10:27 am

1 stop6h 17m

Rapid City

jue. 11/27

6:05 am-1:38 pm

1 stop5h 33m

$269

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

lun. 1/19

6:05 am-10:13 am

1 stop6h 08m

Rapid City

sáb. 1/24

10:54 am-6:00 pm

1 stop5h 06m

$269

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

sáb. 2/28

6:15 am-10:05 am

1 stop5h 50m

Rapid City

mar. 3/3

4:00 pm-11:35 pm

1 stop5h 35m

$269

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

mié. 2/18

6:19 am-10:05 am

1 stop5h 46m

Rapid City

lun. 2/23

6:20 am-1:27 pm

1 stop5h 07m

$269

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

mié. 2/25

6:19 am-10:05 am

1 stop5h 46m

Rapid City

sáb. 2/28

10:40 am-6:49 pm

1 stop6h 09m

$269

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

mar. 11/25

6:00 am-10:27 am

1 stop6h 27m

Rapid City

mié. 12/3

2:51 pm-12:21 am

1 stop7h 30m

$269

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

mié. 2/18

10:30 am-8:44 pm

2 stops12h 14m

Rapid City

lun. 2/23

2:52 pm-11:25 pm

1 stop6h 33m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 45 results
1
2
3
...
5

Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Rapid City in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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.-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.-Rapid City flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Rapid City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-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.-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 Washington, D.C. to Rapid City

Have a flexible travel schedule? Discover the best time to fly to Rapid City from Washington, D.C. 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. to Rapid City

How far ahead should I book a flight from Washington, D.C. to Rapid City?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Rapid City. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Rapid City, you should look to book at least 25 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. to Rapid City?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Rapid City (average of $268). Flying from Washington, D.C. to Rapid City in April is currently the most expensive (average of $327). 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.

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

Find hourly flight availability from Washington, D.C. to Rapid City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Rapid City in the afternoon. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Rapid City

Get insights into the airlines that provide service to Rapid City. 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 Rapid City. Reviews last updated octubre 29, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Washington, D.C. to Rapid City. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

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.

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

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.

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

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.

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

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 Washington, D.C. 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.?

    Located just 9.0 mi from the city center, Rapid City is the airport most travelers will use when flying to Rapid City from Washington, D.C.. Booking flights from Washington, D.C. to Rapid City (RAP) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 3 different airlines.

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

    A quick flight from Washington, D.C. to Rapid City can take about 5h 35m. Delta provides one of the quickest options available for as low as $269. There are 1387 mi between Washington, D.C. and Rapid City. This flight may include one or multiple stops.

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

    Delta, at $268, was found to be the cheapest airline from Washington, D.C. to Rapid City.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Delta is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from Washington, D.C. to Rapid City?

  • Can I find deals for flights from Washington, D.C. to Rapid City that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to Rapid City?

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

  • Can I find deals for business class flights from Washington, D.C. to Rapid City?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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.

  • What is the cheapest month to book a flight from Washington, D.C. to Rapid City?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Rapid City (average of $268). Flying from Washington, D.C. to Rapid City in April is currently the most expensive (average of $327). 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

Traveling to a place near Rapid City?

Book flights to Rapid City if you plan to visit one of these locations
Deadwood
Keystone
Sturgis
Spearfish

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.

Top 3 airlines flying from Washington, D.C. to Rapid City

Discover the top 3 airlines that operate flights from Washington, D.C. to Rapid City. 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 octubre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$438FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$462FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$304Average$490FlexibilityNo cancel feeOn-time69%

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.