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Rapid City

$178+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — RAP
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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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 July 30, 2025.

Round-trip from

$269
(United Airlines)

One-way from

$178
(Delta)

Popular in

December

Cheapest in

November

Average price

$434
From Washington, D.C. (WAS) to Rapid City
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One-way flight from Washington, D.C. (WAS) to Rapid City
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Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/30. 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 11/58:40 amDCA - RAP
1 stop7h 10mAmerican Airlines
Tue 11/112:20 pmRAP - DCA
1 stop6h 40mAmerican Airlines
Deal found 7/30$269
This Delta deal was found by Cheapflights users on 7/28. 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 11/56:18 amIAD - RAP
1 stop5h 35mDelta
Tue 11/1110:40 amRAP - IAD
1 stop5h 16mDelta
Deal found 7/28$269
This American Airlines deal was found by Cheapflights users on 7/30. 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 11/56:02 amBWI - RAP
1 stop9h 48mAmerican Airlines
Tue 11/115:34 amRAP - BWI
1 stop6h 56mAmerican Airlines
Deal found 7/30$269
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 9/131:50 pmBWI - RAP
2 stops10h 40mDelta
Wed 9/174:24 pmRAP - BWI
1 stop5h 25mDelta
Deal found 7/28$274
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1910:25 amIAD - RAP
2 stops12h 33mAmerican Airlines
Tue 8/265:39 amRAP - IAD
2 stops11h 13mAmerican Airlines
Deal found 7/29$277
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:15 amBWI - RAP
1 stop6h 07mUnited Airlines
Wed 9/248:32 amRAP - BWI
1 stop8h 40mUnited Airlines
Deal found 7/29$280
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:30 amIAD - RAP
1 stop5h 52mUnited Airlines
Wed 9/2410:15 amRAP - IAD
1 stop6h 58mUnited Airlines
Deal found 7/29$285
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/288:09 amBWI - RAP
1 stop13h 31mMultiple Airlines
Thu 9/45:39 pmRAP - BWI
1 stop8h 51mMultiple Airlines
Deal found 7/29$285
This Delta deal was found by Cheapflights users on 7/30. 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 9/126:55 pmDCA - RAP
1 stop5h 35mDelta
Thu 9/252:27 pmRAP - DCA
1 stop7h 12mDelta
Deal found 7/30$314
This United Airlines deal was found by Cheapflights users on 7/30. 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 9/54:24 pmDCA - RAP
1 stop6h 15mUnited Airlines
Sat 9/67:00 amRAP - DCA
1 stop6h 06mUnited Airlines
Deal found 7/30$315

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 July 30, 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

Sat 9/20

6:25 am-10:22 am

1 stop5h 57m

Rapid City

Wed 9/24

1:35 pm-10:43 pm

1 stop7h 08m

$269

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 9/23

6:15 am-10:12 am

1 stop5h 57m

Rapid City

Tue 9/30

4:24 pm-11:38 pm

1 stop5h 14m

$269

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Fri 9/5

1:32 pm-8:53 pm

1 stop9h 21m

Rapid City

Tue 9/9

1:12 pm-10:42 pm

1 stop7h 30m

$269

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Tue 10/7

1:44 pm-9:19 pm

2 stops9h 35m

Rapid City

Sat 10/18

4:58 pm-12:59 am

1 stop6h 01m

$274

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Sat 9/13

1:50 pm-10:30 pm

2 stops10h 40m

Rapid City

Wed 9/17

4:24 pm-11:49 pm

1 stop5h 25m

$274

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Tue 8/19

10:25 am-8:58 pm

2 stops12h 33m

Rapid City

Tue 8/26

5:39 am-6:52 pm

2 stops11h 13m

$277

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Sat 9/20

6:15 am-10:22 am

1 stop6h 07m

Rapid City

Wed 9/24

8:32 am-7:12 pm

1 stop8h 40m

$280

BaltimoreRapid City

BWI - RAP

BWIRAP

Baltimore/Washington

Thu 8/28

8:09 am-7:40 pm

1 stop13h 31m

Rapid City

Thu 9/4

5:39 pm-4:30 am

1 stop8h 51m

$285

Washington, D.C.Rapid City

IAD - RAP

IADRAP

Washington, D.C. Dulles Intl

Sat 9/20

6:30 am-10:22 am

1 stop5h 52m

Rapid City

Wed 9/24

10:15 am-7:13 pm

1 stop6h 58m

$285

Washington, D.C.Rapid City

DCA - RAP

DCARAP

Washington, D.C. Reagan-National

Fri 9/12

6:55 pm-10:30 pm

1 stop5h 35m

Rapid City

Thu 9/25

2:27 pm-11:39 pm

1 stop7h 12m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 21 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 July 25, 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, 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 $502). 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 July 30, 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.

How much does it cost to fly round-trip from Washington, D.C. to Rapid City?

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 July 30, 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.
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

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!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

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!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

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 American Airlines. 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 $178. American Airlines flights start at $180 while deals on United Airlines start at $208 one-way.

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

    While some choose either Washington, D.C. Reagan-National - Rapid City or Baltimore/Washington - Rapid City, Washington, D.C. Dulles Intl - Rapid City is the most popular route 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 $502). 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

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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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$483FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$413FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$326Average$514FlexibilityNo cancel feeOn-time69%

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