Rapid City

$180+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — RAP
Jun 17 — Jun 241
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Cheapflights Tip: The best prices from Washington, D.C. to Rapid City are usually found in November or March, booked 44 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 June 12, 2025.

Round-trip from

$269
(United Airlines)

One-way from

$180
(Delta)

Popular in

December

Cheapest in

November

Average price

$563
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. 1% potential increase in price ($8 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 June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/9. 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 8/276:25 amDCA - RAP
1 stop5h 57mUnited Airlines
Sat 9/65:30 amRAP - DCA
1 stop7h 36mUnited Airlines
Deal found 6/9$269
This United Airlines deal was found by Cheapflights users on 6/9. 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 8/275:47 pmIAD - RAP
1 stop6h 12mUnited Airlines
Sat 9/65:30 amRAP - IAD
1 stop5h 56mUnited Airlines
Deal found 6/9$269
This United Airlines deal was found by Cheapflights users on 6/9. 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 8/274:20 pmBWI - RAP
1 stop7h 39mUnited Airlines
Sat 9/611:18 amRAP - BWI
1 stop5h 54mUnited Airlines
Deal found 6/9$269
This Delta deal was found by Cheapflights users on 6/11. 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 7/266:05 amDCA - RAP
2 stops9h 40mDelta
Sat 8/212:30 pmRAP - DCA
1 stop6h 13mDelta
Deal found 6/11$274
This Delta deal was found by Cheapflights users on 6/11. 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 7/266:00 amIAD - RAP
2 stops9h 45mDelta
Sat 8/212:30 pmRAP - IAD
1 stop8h 49mDelta
Deal found 6/11$274
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1412:19 pmBWI - RAP
1 stop6h 08mSun Country Air
Fri 7/188:09 amRAP - BWI
1 stop25h 14mSun Country Air
Deal found 6/10$275
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 8/3010:53 amBWI - RAP
2 stops12h 05mAmerican Airlines
Sat 9/66:00 amRAP - BWI
2 stops9h 00mAmerican Airlines
Deal found 6/11$279
This Delta deal was found by Cheapflights users on 6/10. 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 8/276:15 amBWI - RAP
1 stop5h 59mDelta
Sat 9/66:25 amRAP - BWI
1 stop5h 02mDelta
Deal found 6/10$289
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/96:22 pmBWI - RAP
2 stops28h 47mMultiple Airlines
Sun 7/139:49 pmRAP - BWI
2 stops29h 44mMultiple Airlines
Deal found 6/9$304
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/279:59 amDCA - RAP
1 stop9h 35mAmerican Airlines
Mon 9/16:12 pmRAP - DCA
1 stop12h 48mAmerican Airlines
Deal found 6/11$355
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 8/56:27 amIAD - RAP
1 stop7h 50mAmerican Airlines
Tue 8/1212:19 pmRAP - IAD
2 stops8h 37mAmerican Airlines
Deal found 6/11$356
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/184:46 pmIAD - RAP
2 stops18h 38mMultiple Airlines
Mon 7/215:27 pmRAP - IAD
1 stop16h 16mMultiple Airlines
Deal found 6/10$375

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 June 12, 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

Wed 8/27

6:25 am-10:22 am

1 stop5h 57m

Rapid City

Sat 9/6

5:30 am-3:06 pm

1 stop7h 36m

$269

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Wed 8/27

5:47 pm-9:59 pm

1 stop6h 12m

Rapid City

Sat 9/6

5:30 am-1:26 pm

1 stop5h 56m

$269

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Wed 8/27

4:20 pm-9:59 pm

1 stop7h 39m

Rapid City

Sat 9/6

11:18 am-7:12 pm

1 stop5h 54m

$269

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Sat 7/26

6:05 am-1:45 pm

2 stops9h 40m

Rapid City

Sat 8/2

12:30 pm-8:43 pm

1 stop6h 13m

$274

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 7/26

6:00 am-1:45 pm

2 stops9h 45m

Rapid City

Sat 8/2

12:30 pm-11:19 pm

1 stop8h 49m

$274

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Mon 7/14

12:19 pm-4:27 pm

1 stop6h 08m

Rapid City

Fri 7/18

8:09 am-11:23 am

1 stop25h 14m

$275

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Sat 8/30

10:53 am-8:58 pm

2 stops12h 05m

Rapid City

Sat 9/6

6:00 am-5:00 pm

2 stops9h 00m

$279

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Wed 8/27

6:15 am-10:14 am

1 stop5h 59m

Rapid City

Sat 9/6

6:25 am-1:27 pm

1 stop5h 02m

$289

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Wed 7/9

6:22 pm-9:09 pm

2 stops28h 47m

Rapid City

Sun 7/13

9:49 pm-5:33 am

2 stops29h 44m

$304

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Wed 8/27

9:59 am-5:34 pm

1 stop9h 35m

Rapid City

Mon 9/1

6:12 pm-9:00 am

1 stop12h 48m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 23 results
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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 June 9, 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 44 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Rapid City (average of $348). Flying from Washington, D.C. to Rapid City in June is currently the most expensive (average of $504). 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 June 12, 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 evening. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight at noon.

Rainfall in Rapid City by month

Plan your trip to Rapid City by taking into account the average rainfall totals by month.

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.

Temperature in Rapid City by month

Plan your trip to Rapid City by taking into account the average temperature totals by month.

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).

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 June 12, 2025.
To help decide which airline to fly from Washington, D.C. to Rapid City, see what other customers have to say about Delta, United Airlines and Allegiant Air. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    United Airlines, at $269, was found to be the cheapest airline from Washington, D.C. to Rapid City.Alternate airlines to your destination round-trip include Delta and Sun Country Air. United Airlines is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. to Rapid City one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $180. American Airlines flights start at $185 while deals on United Airlines start at $225 one-way.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Rapid City (average of $348). Flying from Washington, D.C. to Rapid City in June is currently the most expensive (average of $504). 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$247Average$472FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$420FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$270Average$509FlexibilityNo cancel feeOn-time69%

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