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Washington, D.C.

$206+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — WAS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$269
(United Airlines)

One-way from

$206
(American Airlines)

Popular in

February

Cheapest in

December

Average price

$546
From Rapid City to Washington, D.C. (WAS)
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One-way flight from Rapid City to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 22% potential increase in price ($142 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/141:43 pmRAP - BWI
1 stop5h 59mUnited Airlines
Sat 8/164:20 pmBWI - RAP
1 stop7h 40mUnited Airlines
Deal found 6/10$269
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/141:43 pmRAP - DCA
1 stop6h 59mUnited Airlines
Sat 8/166:25 amDCA - RAP
1 stop5h 55mUnited Airlines
Deal found 6/10$269
This Delta deal was found by Cheapflights users on 6/12. 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 7/224:30 pmRAP - IAD
1 stop4h 55mDelta
Tue 7/296:39 pmIAD - RAP
1 stop5h 52mDelta
Deal found 6/12$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.
Tue 7/226:50 amRAP - DCA
2 stops10h 06mDelta
Tue 7/293:40 pmDCA - RAP
2 stops8h 51mDelta
Deal found 6/11$279
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:08 amRAP - BWI
1 stop7h 44mAmerican Airlines
Sat 9/131:35 pmBWI - RAP
1 stop9h 18mAmerican Airlines
Deal found 6/10$310
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.
Thu 8/1410:00 pmRAP - BWI
2 stops24h 34mMultiple Airlines
Sat 8/168:30 pmBWI - RAP
2 stops26h 40mMultiple Airlines
Deal found 6/10$359
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.
Fri 10/32:20 pmRAP - BWI
1 stop7h 27mDelta
Mon 10/66:19 amBWI - RAP
1 stop5h 46mDelta
Deal found 6/11$404
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.
Fri 10/36:00 amRAP - IAD
1 stop8h 50mAmerican Airlines
Mon 10/66:05 pmIAD - RAP
2 stops19h 40mAmerican Airlines
Deal found 6/11$438
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2411:18 amRAP - DCA
1 stop8h 42mAmerican Airlines
Thu 6/267:00 amDCA - RAP
1 stop6h 29mAmerican Airlines
Deal found 6/10$461
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/246:20 amRAP - IAD
1 stop6h 08mUnited Airlines
Thu 6/266:35 amIAD - RAP
1 stop5h 45mUnited Airlines
Deal found 6/10$645

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 June 12, 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

Thu 8/14

1:43 pm-9:42 pm

1 stop5h 59m

Baltimore/Washington

Sat 8/16

4:20 pm-10:00 pm

1 stop7h 40m

$269

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Tue 7/22

4:30 pm-11:25 pm

1 stop4h 55m

Washington, D.C. Dulles Intl

Tue 7/29

6:39 pm-10:31 pm

1 stop5h 52m

$269

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Thu 8/14

1:43 pm-10:42 pm

1 stop6h 59m

Washington, D.C. Reagan-National

Sat 8/16

6:25 am-10:20 am

1 stop5h 55m

$269

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Tue 7/22

6:50 am-6:56 pm

2 stops10h 06m

Washington, D.C. Reagan-National

Tue 7/29

3:40 pm-10:31 pm

2 stops8h 51m

$279

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Thu 8/21

11:08 am-8:52 pm

1 stop7h 44m

Baltimore/Washington

Sat 9/13

1:35 pm-8:53 pm

1 stop9h 18m

$310

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Thu 8/14

10:00 pm-12:34 am

2 stops24h 34m

Baltimore/Washington

Sat 8/16

8:30 pm-9:10 pm

2 stops26h 40m

$359

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Fri 10/3

6:00 am-4:50 pm

1 stop8h 50m

Washington, D.C. Dulles Intl

Mon 10/6

6:05 pm-11:45 am

2 stops19h 40m

$438

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Tue 6/24

11:18 am-10:00 pm

1 stop8h 42m

Washington, D.C. Reagan-National

Thu 6/26

7:00 am-11:29 am

1 stop6h 29m

$461

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Mon 6/16

11:51 am-12:29 am

2 stops10h 38m

Baltimore/Washington

Sat 6/21

5:17 pm-10:31 pm

2 stops7h 14m

$629

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Tue 6/24

6:20 am-2:28 pm

1 stop6h 08m

Washington, D.C. Dulles Intl

Thu 6/26

6:35 am-10:20 am

1 stop5h 45m

$645

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 21 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 $241). Flying from Rapid City to Washington, D.C. in March is currently the most expensive (average of $290). 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.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 12, 2025.
To help decide which airline to fly from Rapid City to Washington, D.C., see what other customers have to say about Delta, United Airlines and American Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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 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.

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

    Flying on United Airlines is currently your cheapest option to Washington, D.C., with prices starting at $269. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $269 and $310, respectively. Users have found that United Airlines is 46% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $206. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Rapid City to Washington, D.C. for a low price.

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

    Most travelers choose Rapid City - Washington, D.C. Dulles Intl, Rapid City - Baltimore/Washington or Rapid City - Washington, D.C. Reagan-National when deciding on the best route 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 $241). Flying from Rapid City to Washington, D.C. in March is currently the most expensive (average of $290). 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
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas
Dundalk

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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.
Sioux Falls to Dulles Intl flights
Sioux Falls to Reagan-National flights
Rapid City to Dulles Intl flights
Rapid City to Reagan-National flights
Aberdeen to Reagan-National flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$255Average$385FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$390FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$293Average$594FlexibilityNo cancel feeOn-time69%

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