Washington, D.C.

$216+ Cheap flights from Rapid City (RAP) to Washington, D.C. (WAS)

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — WAS
Oct 11 — Oct 181
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Cheap flight deals from Rapid City to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Washington, D.C. (WAS). 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 September 11, 2025.

Round-trip from

$269
(United Airlines)

One-way from

$216
(Delta)

Popular in

February

Cheapest in

December

Average price

$411
From Rapid City to Washington, D.C. (WAS)
One-way flight from Rapid City to Washington, D.C. (WAS)
Highest demand for flights based on searches. 20% potential increase in price ($128 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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

Cheapest flights from Rapid City to Washington, D.C.
Explore the most affordable flight options available from Rapid City to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:00 amRAP - IAD
1 stop7h 58mUnited Airlines
Sun 10/56:30 amIAD - RAP
1 stop5h 43mUnited Airlines
Deal found 9/11$269
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/45:30 amRAP - BWI
1 stop7h 43mUnited Airlines
Sun 10/56:29 amBWI - RAP
1 stop5h 44mUnited Airlines
Deal found 9/11$283
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:00 amRAP - BWI
1 stop6h 12mUnited Airlines
Mon 9/2910:10 amBWI - RAP
1 stop8h 50mUnited Airlines
Deal found 9/10$319
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/31:12 pmRAP - BWI
1 stop7h 49mAmerican Airlines
Sun 10/56:41 amBWI - RAP
1 stop6h 41mAmerican Airlines
Deal found 9/10$320
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/912:56 pmRAP - BWI
1 stop8h 22mUnited Airlines
Sat 10/114:21 pmBWI - RAP
1 stop7h 51mUnited Airlines
Deal found 9/11$342
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/45:30 amRAP - IAD
1 stop5h 56mUnited Airlines
Sat 10/45:17 pmIAD - RAP
2 stops18h 56mUnited Airlines
Deal found 9/11$344
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/73:20 pmRAP - BWI
1 stop5h 58mUnited Airlines
Sat 10/114:21 pmBWI - RAP
1 stop7h 51mUnited Airlines
Deal found 9/11$349
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/247:00 amRAP - DCA
1 stop6h 06mUnited Airlines
Sun 9/286:25 amDCA - RAP
1 stop5h 48mUnited Airlines
Deal found 9/9$349
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/78:30 amRAP - IAD
1 stop6h 13mUnited Airlines
Tue 10/146:30 amIAD - RAP
1 stop5h 43mUnited Airlines
Deal found 9/11$349
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/33:20 pmRAP - BWI
1 stop5h 58mUnited Airlines
Sun 10/56:29 amBWI - RAP
1 stop5h 44mUnited Airlines
Deal found 9/11$374
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/78:30 amRAP - IAD
1 stop6h 13mUnited Airlines
Sat 10/112:45 pmIAD - RAP
1 stop5h 55mUnited Airlines
Deal found 9/11$374
This Delta deal was found by Cheapflights users on 9/11. 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.
Tue 10/72:26 pmRAP - BWI
1 stop7h 23mDelta
Wed 10/86:00 amBWI - RAP
1 stop5h 53mDelta
Deal found 9/11$405

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Washington, D.C. 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 September 11, 2025.
Use the filters below to find and compare flights from Rapid City to Washington, D.C. that are best for you.

Fly from

Rapid City

Fly to

Washington, D.C.

Route

Depart

Return

Price

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Tue 3/3

4:00 pm-11:50 pm

1 stop5h 50m

Baltimore/Washington

Sat 3/7

11:00 am-10:14 pm

2 stops13h 14m

$274

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Fri 10/3

1:12 pm-11:01 pm

1 stop7h 49m

Baltimore/Washington

Sun 10/5

6:41 am-11:22 am

1 stop6h 41m

$320

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Fri 10/3

3:20 pm-11:18 pm

1 stop5h 58m

Baltimore/Washington

Sun 10/5

6:29 am-10:13 am

1 stop5h 44m

$349

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Sat 10/4

11:09 am-8:52 pm

1 stop7h 43m

Baltimore/Washington

Sun 10/5

5:00 am-11:22 am

1 stop8h 22m

$349

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Tue 10/7

3:20 pm-11:18 pm

1 stop5h 58m

Baltimore/Washington

Tue 10/14

6:29 am-10:13 am

1 stop5h 44m

$349

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Wed 9/24

7:00 am-3:06 pm

1 stop6h 06m

Washington, D.C. Reagan-National

Sun 9/28

6:25 am-10:13 am

1 stop5h 48m

$349

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Tue 10/7

8:30 am-4:43 pm

1 stop6h 13m

Washington, D.C. Dulles Intl

Tue 10/14

6:30 am-10:13 am

1 stop5h 43m

$349

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 2/19

5:30 am-1:27 pm

1 stop5h 57m

Washington, D.C. Dulles Intl

Mon 2/23

4:08 pm-8:33 pm

1 stop6h 25m

$349

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 2/19

10:40 am-11:02 pm

2 stops10h 22m

Washington, D.C. Dulles Intl

Mon 2/23

6:15 am-10:05 am

1 stop5h 50m

$376

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Mon 10/6

5:50 pm-5:22 am

1 stop9h 32m

Washington, D.C. Dulles Intl

Tue 10/14

6:30 am-10:13 am

1 stop5h 43m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 25 results
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Best time to book a flight from Rapid City to Washington, D.C.

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

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

Currently, August is the cheapest month in which you can book a flight from Rapid City to Washington, D.C. (average of $292). Flying from Rapid City to Washington, D.C. in April is currently the most expensive (average of $337). 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 Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated September 11, 2025.
Read through reviews of airlines operating flights from Rapid City to Washington, D.C., such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

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 Rapid City to Washington, D.C.. 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.?

    If you book a flight to Washington, D.C. from Rapid City, you will be flying from Rapid City, which is the city’s only airport. Rapid City (RAP) is located 9.0 mi from the center of Rapid City. There are 0 flights from Rapid City to Washington, D.C. per day from 3 different airlines.

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

    A quick flight from Rapid City to Washington, D.C. can take about 5h 50m. Delta provides one of the quickest options available for as low as $274. The distance between Rapid City and Washington, D.C. is about 1397 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Delta is currently your cheapest option to Washington, D.C., with prices starting at $268. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $288 and $332, respectively. Users have found that Delta is 47% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Rapid City to Washington, D.C. 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 Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Rapid City to Washington, D.C. (average of $292). Flying from Rapid City to Washington, D.C. in April is currently the most expensive (average of $337). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Rapid City to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

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

Discover the top 3 airlines that operate flights from Rapid City to Washington, D.C.. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$268Average$423FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$268Average$519FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$395FlexibilityNo cancel feeOn-time71%

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