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$269+ Cheap flights from Rapid City (RAP) to District of Columbia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — IAD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Rapid City to District of Columbia

Cheapest flights from Rapid City to District of Columbia
Explore the most affordable flight options available from Rapid City to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Delta deal was found by Cheapflights users on 12/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:51 pmRAP - DCA
1 stop6h 46mDelta
Mon 12/156:58 pmDCA - RAP
1 stop5h 48mDelta
Deal found 12/9$469
This Delta deal was found by Cheapflights users on 12/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/112:51 pmRAP - IAD
1 stop7h 11mDelta
Mon 12/156:56 pmIAD - RAP
1 stop5h 50mDelta
Deal found 12/9$469
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/238:45 amRAP - IAD
1 stop8h 05mUnited Airlines
Tue 12/306:30 amIAD - RAP
1 stop6h 00mUnited Airlines
Deal found 12/11$478
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Tue 12/165:15 amRAP - IAD
1 stop7h 46mUnited Airlines
Tue 12/236:20 amIAD - RAP
1 stop7h 12mUnited Airlines
Deal found 12/9$628
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/252:20 pmRAP - DCA
1 stop6h 39mAmerican Airlines
Mon 12/291:44 pmDCA - RAP
2 stops9h 36mAmerican Airlines
Deal found 12/10$639
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/255:15 amRAP - DCA
1 stop7h 44mUnited Airlines
Mon 12/296:30 amDCA - RAP
1 stop6h 00mUnited Airlines
Deal found 12/10$648
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/258:45 amRAP - IAD
1 stop8h 05mUnited Airlines
Mon 12/296:30 amIAD - RAP
1 stop6h 00mUnited Airlines
Deal found 12/10$648
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/238:45 amRAP - IAD
1 stop8h 05mUnited Airlines
Mon 12/296:20 amIAD - RAP
1 stop17h 39mUnited Airlines
Deal found 12/11$679
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Sat 12/275:15 amRAP - DCA
2 stops16h 44mUnited Airlines
Wed 12/314:17 pmDCA - RAP
1 stop7h 42mUnited Airlines
Deal found 12/9$831
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/195:15 amRAP - DCA
1 stop7h 44mUnited Airlines
Sat 12/276:30 amDCA - RAP
1 stop6h 00mUnited Airlines
Deal found 12/10$954

Find flight deals from Rapid City to District of Columbia

Keep the following information in mind while searching for Rapid City to District of Columbia flight deals. Data was last updated December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$269
(American Airlines)

Popular in

February

Cheapest in

November

Average price

$348
Provider with most accurate pricing for Rapid City-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Washington, D.C. (WAS) flights.
Search Deals
From Rapid City to District of Columbia
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($180 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to District of Columbia 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 December 12, 2025.
Use the filters below to find and compare flights from Rapid City to District of Columbia that are best for you.

Fly from

Rapid City

Fly to

District of Columbia

Route

Depart

Return

Price

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Tue 2/3

6:00 am-4:31 pm

1 stop8h 31m

Washington, D.C. Dulles Intl

Tue 2/10

6:00 am-1:34 pm

1 stop9h 34m

$269

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Tue 2/3

12:35 pm-9:07 pm

1 stop6h 32m

Washington, D.C. Dulles Intl

Tue 2/10

12:35 pm-7:14 pm

1 stop8h 39m

$269

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Thu 1/22

2:08 pm-11:00 pm

1 stop6h 52m

Washington, D.C. Reagan-National

Wed 1/28

1:44 pm-9:15 pm

2 stops9h 31m

$274

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 1/23

4:10 pm-11:33 pm

1 stop5h 23m

Washington, D.C. Reagan-National

Sun 1/25

6:05 am-10:13 am

1 stop6h 08m

$289

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 1/23

7:00 am-2:59 pm

1 stop5h 59m

Washington, D.C. Reagan-National

Mon 1/26

4:11 pm-8:32 pm

1 stop6h 21m

$289

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Sat 1/24

7:00 am-2:59 pm

1 stop5h 59m

Washington, D.C. Reagan-National

Tue 1/27

4:11 pm-8:32 pm

1 stop6h 21m

$289

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 1/24

10:45 am-7:21 pm

1 stop6h 36m

Washington, D.C. Dulles Intl

Tue 1/27

10:02 am-3:22 pm

1 stop7h 20m

$289

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Fri 1/23

2:40 pm-11:22 pm

1 stop6h 42m

Washington, D.C. Dulles Intl

Sun 1/25

12:35 pm-7:14 pm

1 stop8h 39m

$289

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Tue 1/13

10:45 am-7:21 pm

1 stop6h 36m

Washington, D.C. Dulles Intl

Sun 1/18

12:35 pm-5:12 pm

1 stop6h 37m

$289

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Tue 1/13

10:45 am-7:21 pm

1 stop6h 36m

Washington, D.C. Dulles Intl

Thu 1/22

8:15 am-1:12 pm

1 stop6h 57m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 24 results
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Best time to book a flight from Rapid City to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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 District of Columbia

What is the cheapest month to book a flight from Rapid City to District of Columbia?

Currently, January is the cheapest month in which you can book a flight from Rapid City to District of Columbia (average of $258). Flying from Rapid City to District of Columbia in November is currently the most expensive (average of $425). 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 District of Columbia

Get insights into the airlines that provide service to District of Columbia. 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 District of Columbia. Reviews last updated December 12, 2025.
Read through reviews of airlines operating flights from Rapid City to District of Columbia, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Rapid City to District of Columbia. 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 District of Columbia?

    Rapid City (RAP), located 9.0 mi from the city center, is the airport you fly out of when you book flights from Rapid City to District of Columbia.

  • How long is the flight from Rapid City to District of Columbia?

    Departing from Rapid City to District of Columbia will take you 5h 23m. The distance between Rapid City and District of Columbia is about 1387 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Rapid City to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Rapid City to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to District of Columbia?

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

  • Can I find deals for business class flights from Rapid City to District of Columbia?

    Yes. Cheapflights offers flight deals from Rapid City to District of Columbia 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 District of Columbia?

    Currently, January is the cheapest month in which you can book a flight from Rapid City to District of Columbia (average of $258). Flying from Rapid City to District of Columbia in November is currently the most expensive (average of $425). 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 Rapid City to District of Columbia

Discover the top 3 airlines that operate flights from Rapid City to District of Columbia. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$475FlexibilityNo cancel feeOn-time69%
DeltaCheapest$268Average$380FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$293Average$387FlexibilityNo cancel feeOn-time71%

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