HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$216+ Cheap flights from Rapid City (RAP) to District of Columbia

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — IAD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Rapid City to District of Columbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 29, 2026.

This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:29 pm
RAP
-
DCA
1 stop4h 59m
Delta
Sat 3/76:05 am
DCA
-
RAP
1 stop6h 00m
Delta
Deal found 1/29$289
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:58 am
RAP
-
IAD
1 stop4h 59m
Delta
Sat 4/185:15 pm
IAD
-
RAP
2 stops7h 05m
Delta
Deal found 1/29$294
This Delta deal was found by Cheapflights users on 1/28. 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 2/144:29 pm
RAP
-
DCA
1 stop4h 59m
Delta
Thu 2/1911:55 am
DCA
-
RAP
1 stop5h 49m
Delta
Deal found 1/28$314
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/1410:55 am
RAP
-
IAD
1 stop7h 58m
United Airlines
Thu 2/193:58 pm
IAD
-
RAP
1 stop6h 46m
United Airlines
Deal found 1/28$314
This Delta deal was found by Cheapflights users on 1/27. 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 2/124:29 pm
RAP
-
DCA
1 stop4h 59m
Delta
Mon 2/166:05 am
DCA
-
RAP
1 stop6h 04m
Delta
Deal found 1/27$339
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/62:08 pm
RAP
-
DCA
1 stop6h 52m
American Airlines
Wed 2/116:30 am
DCA
-
RAP
1 stop9h 04m
American Airlines
Deal found 1/28$374
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/62:40 pm
RAP
-
IAD
1 stop6h 42m
United Airlines
Wed 2/1110:02 am
IAD
-
RAP
1 stop7h 20m
United Airlines
Deal found 1/28$374
This Delta deal was found by Cheapflights users on 1/28. 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.
Fri 2/64:10 pm
RAP
-
IAD
1 stop5h 47m
Delta
Wed 2/1112:32 pm
IAD
-
RAP
2 stops11h 56m
Delta
Deal found 1/28$379
This Delta deal was found by Cheapflights users on 1/28. 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.
Fri 2/610:54 am
RAP
-
DCA
2 stops9h 39m
Delta
Wed 2/119:54 am
DCA
-
RAP
2 stops7h 31m
Delta
Deal found 1/28$385
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:13 am
RAP
-
IAD
1 stop5h 49m
United Airlines
Mon 6/155:41 pm
IAD
-
RAP
1 stop6h 43m
United Airlines
Deal found 1/28$401
This Delta deal was found by Cheapflights users on 1/28. 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.
Fri 2/136:00 am
RAP
-
DCA
1 stop5h 24m
Delta
Sun 2/1512:20 pm
DCA
-
RAP
2 stops12h 07m
Delta
Deal found 1/28$404
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/142:21 pm
RAP
-
IAD
1 stop6h 32m
American Airlines
Thu 2/195:00 am
IAD
-
RAP
2 stops10h 51m
American Airlines
Deal found 1/28$404

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(United Airlines)

One-way from

$216
(Delta)

Popular in

March

Cheapest in

November

Average price

$511
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
One-way flight from Rapid City to District of Columbia
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($186 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 29, 2026.
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 - DCA

RAPDCA

Rapid City

Sat 2/28

4:29 pm-11:28 pm

1 stop4h 59m

Washington, D.C. Reagan-National

Sat 3/7

6:05 am-10:05 am

1 stop6h 00m

$289

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Tue 4/14

10:58 am-5:57 pm

1 stop4h 59m

Washington, D.C. Dulles Intl

Sat 4/18

5:15 pm-10:20 pm

2 stops7h 05m

$294

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 2/14

10:55 am-8:53 pm

1 stop7h 58m

Washington, D.C. Dulles Intl

Thu 2/19

3:58 pm-8:44 pm

1 stop6h 46m

$314

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Sat 2/14

4:29 pm-11:28 pm

1 stop4h 59m

Washington, D.C. Reagan-National

Thu 2/19

11:55 am-3:44 pm

1 stop5h 49m

$314

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 2/13

4:29 pm-11:28 pm

1 stop4h 59m

Washington, D.C. Reagan-National

Sun 2/15

6:05 am-10:09 am

1 stop6h 04m

$339

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Thu 2/12

4:29 pm-11:28 pm

1 stop4h 59m

Washington, D.C. Reagan-National

Mon 2/16

6:05 am-10:09 am

1 stop6h 04m

$339

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 6/4

10:13 am-6:02 pm

1 stop5h 49m

Washington, D.C. Dulles Intl

Mon 6/8

5:41 pm-10:24 pm

1 stop6h 43m

$416

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Thu 6/11

1:41 pm-10:49 pm

1 stop7h 08m

Washington, D.C. Reagan-National

Mon 6/15

4:11 pm-10:24 pm

1 stop8h 13m

$435

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Wed 7/15

11:54 am-10:23 pm

1 stop8h 29m

Washington, D.C. Reagan-National

Sat 7/18

11:35 am-3:46 pm

1 stop6h 11m

$439

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Fri 2/13

4:29 pm-11:55 pm

1 stop5h 26m

Washington, D.C. Dulles Intl

Sun 2/15

12:35 pm-10:27 pm

2 stops11h 52m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 24 results
1
2
3

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 January 29, 2026.
Read through reviews of airlines operating flights from Rapid City to District of Columbia, such as Delta and United 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
8,127 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

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
8,127 reviews
Delta
7.9
Good
8,127 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

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
9,214 reviews
Delta
7.9
Good
8,127 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Overall

7.9

Food

7.2

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 4h 59m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Rapid City to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Sioux Falls to Denver flights
Sioux Falls to Sky Harbor Intl flights
Sioux Falls to Dallas/Fort Worth flights
Sioux Falls to Orlando flights
Sioux Falls to Las Vegas flights
Sioux Falls to Phoenix-Mesa Gateway flights
Sioux Falls to O'Hare Intl flights
Sioux Falls to San Diego flights
Rapid City to Dallas/Fort Worth flights
Sioux Falls to Tampa flights
Sioux Falls to Fort Myers flights
Sioux Falls to Hobby flights
Sioux Falls to Seattle flights
Rapid City to Orlando flights
Sioux Falls to Los Angeles flights
Sioux Falls to Pensacola flights
Rapid City to Los Angeles flights
Sioux Falls to Atlanta flights
Sioux Falls to Salt Lake City flights
Rapid City to Fort Myers flights
Sioux Falls to John F Kennedy Intl flights
Sioux Falls to San Francisco flights
Sioux Falls to Sarasota flights
Sioux Falls to Miami flights
Sioux Falls to Savannah flights
Sioux Falls to Fort Lauderdale flights
Sioux Falls to George Bush Intcntl flights
Sioux Falls to Newark flights
Rapid City to Seattle flights
Sioux Falls to LaGuardia flights
Rapid City to Hobby flights
Sioux Falls to Portland flights
Rapid City to San Antonio flights
Sioux Falls to Midway flights
Sioux Falls to Raleigh flights
Sioux Falls to Ontario flights
Rapid City to Las Vegas flights
Rapid City to Denver flights
Rapid City to San Diego flights
Sioux Falls to San Antonio flights
Sioux Falls to Key West flights
Sioux Falls to Austin flights
Sioux Falls to Charlotte flights
Rapid City to Miami flights
Rapid City to John F Kennedy Intl flights
Sioux Falls to Palm Springs flights
Sioux Falls to Honolulu flights
Sioux Falls to Santa Ana flights
Sioux Falls to San Jose flights
Rapid City to LaGuardia flights

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$462FlexibilityNo cancel feeOn-time69%
DeltaCheapest$268Average$416FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$293Average$366FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2026 Cheapflights