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 $347. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $401 and $405, respectively. Users have found that United Airlines is 29% cheaper than the other options available to this destination.

What is the cheapest day to fly from Rapid City to Washington, D.C.?

Travelers seeking maximum savings on their Rapid City to Washington, D.C. flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 - Washington, D.C. Reagan-National or Rapid City - Baltimore/Washington when deciding on the best route from Rapid City to Washington, D.C..

What are the most popular airlines that fly from Rapid City to Washington, D.C.?

The most popular airlines flying from Rapid City to Washington, D.C. are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Rapid City to Washington, D.C.?

Travelers have found that booking a Monday departure is the best way to save up to 63% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Rapid City to Washington, D.C.?

Flights from Rapid City to Washington, D.C. lean towards being more expensive in February. Prices are generally better when you fly from Rapid City to Washington, D.C. in December, with the cheapest ticket starting at $269.

What is the cheapest time of day to fly from RAP to WAS?

One of the essential ways to save on airfare from Rapid City to Washington, D.C. is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 31% on airfare.

Most accurate provider : When it comes to deals on Rapid City-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Rapid City-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rapid City-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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.

$347+ Flights from Rapid City to Washington, D.C.

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$347 (United Airlines)
Popular in	February
Cheapest in	December
Average price	$508

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 Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 23% potential increase in price ($150 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 11, 2025.

Fri 4/253:43 pmRAP - BWI

1 stop5h 47mUnited Airlines

Tue 4/294:07 pmBWI - RAP

1 stop7h 53mUnited Airlines

Deal found 4/10

$347

Fri 6/201:38 pmRAP - DCA

1 stop7h 04mUnited Airlines

Mon 6/233:30 pmDCA - RAP

1 stop7h 56mUnited Airlines

Deal found 4/10

$398

Wed 5/214:25 pmRAP - DCA

1 stop5h 01mDelta

Sun 5/256:05 amDCA - RAP

1 stop6h 01mDelta

Deal found 4/10

$401

Sat 6/72:53 pmRAP - BWI

1 stop6h 23mAmerican Airlines

Sun 6/296:44 amBWI - RAP

1 stop6h 04mAmerican Airlines

Deal found 4/10

$405

Fri 6/64:39 pmRAP - DCA

1 stop6h 12mAmerican Airlines

Sun 6/295:00 amDCA - RAP

1 stop6h 45mAmerican Airlines

Deal found 4/10

$407

Fri 6/204:39 pmRAP - IAD

1 stop6h 02mAmerican Airlines

Mon 6/236:27 amIAD - RAP

1 stop7h 52mAmerican Airlines

Deal found 4/10

$407

Thu 5/811:33 amRAP - IAD

1 stop7h 52mUnited Airlines

Wed 5/146:22 amIAD - RAP

1 stop6h 38mUnited Airlines

Deal found 4/10

$408

Sat 6/79:49 amRAP - IAD

2 stops23h 13mMultiple Airlines

Sun 6/294:16 pmIAD - RAP

1 stop26h 05mMultiple Airlines

Deal found 4/10

$418

Sat 6/79:49 amRAP - BWI

2 stops28h 04mMultiple Airlines

Sun 6/292:08 pmBWI - RAP

2 stops28h 13mMultiple Airlines

Deal found 4/10

$424

Fri 4/2511:45 amRAP - BWI

2 stops10h 56mDelta

Tue 4/297:00 amBWI - RAP

2 stops10h 38mDelta

Deal found 4/10

$632

Fri 4/2511:45 amRAP - IAD

2 stops9h 22mDelta

Tue 4/295:23 pmIAD - RAP

2 stops7h 07mDelta

Deal found 4/10

$705

Best flights from Rapid City to Washington, D.C.
Discover carefully curated flight deals from Rapid City to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2025.

Fri 4/253:43 pmRAP - BWI

1 stop5h 47mUnited Airlines

Tue 4/294:07 pmBWI - RAP

1 stop7h 53mUnited Airlines

Deal found 4/10

$347

Wed 5/214:25 pmRAP - DCA

1 stop5h 01mDelta

Sun 5/256:05 amDCA - RAP

1 stop6h 01mDelta

Deal found 4/10

$401

Sat 6/72:53 pmRAP - BWI

1 stop6h 23mAmerican Airlines

Sun 6/296:44 amBWI - RAP

1 stop6h 04mAmerican Airlines

Deal found 4/10

$405

Sat 6/79:49 amRAP - IAD

2 stops23h 13mMultiple Airlines

Sun 6/294:16 pmIAD - RAP

1 stop26h 05mMultiple Airlines

Deal found 4/10

$418

Fri 6/201:38 pmRAP - DCA

1 stop7h 04mUnited Airlines

Mon 6/233:30 pmDCA - RAP

1 stop7h 56mUnited Airlines

Deal found 4/10

$398

Fri 6/64:39 pmRAP - DCA

1 stop6h 12mAmerican Airlines

Sun 6/295:00 amDCA - RAP

1 stop6h 45mAmerican Airlines

Deal found 4/10

$407

Sat 6/79:49 amRAP - BWI

2 stops28h 04mMultiple Airlines

Sun 6/292:08 pmBWI - RAP

2 stops28h 13mMultiple Airlines

Deal found 4/10

$424

Fri 6/204:39 pmRAP - IAD

1 stop6h 02mAmerican Airlines

Mon 6/236:27 amIAD - RAP

1 stop7h 52mAmerican Airlines

Deal found 4/10

$407

Thu 5/811:33 amRAP - IAD

1 stop7h 52mUnited Airlines

Wed 5/146:22 amIAD - RAP

1 stop6h 38mUnited Airlines

Deal found 4/10

$408

Fri 4/2511:45 amRAP - BWI

2 stops10h 56mDelta

Tue 4/297:00 amBWI - RAP

2 stops10h 38mDelta

Deal found 4/10

$632

Fri 4/2511:45 amRAP - IAD

2 stops9h 22mDelta

Tue 4/295:23 pmIAD - RAP

2 stops7h 07mDelta

Deal found 4/10

$705

Last-minute flights from Rapid City to Washington, D.C.
Discover last-minute flight deals from Rapid City to Washington, D.C.. Data last updated April 11, 2025 and is based on user searches.

Thu 4/245:15 amRAP - DCA

1 stop7h 46mUnited Airlines

Sun 4/274:15 pmDCA - RAP

1 stop7h 45mUnited Airlines

Deal found 4/10

$461

Thu 4/245:40 pmRAP - BWI

1 stop10h 06mMultiple Airlines

Sun 4/275:45 amBWI - RAP

3 stops29h 29mMultiple Airlines

Deal found 4/10

$643

Fri 4/253:43 pmRAP - BWI

1 stop5h 47mUnited Airlines

Tue 4/294:07 pmBWI - RAP

1 stop7h 53mUnited Airlines

Deal found 4/10

$347

Fri 4/255:36 amRAP - BWI

1 stop6h 54mAmerican Airlines

Tue 4/295:00 amBWI - RAP

2 stops8h 56mAmerican Airlines

Deal found 4/10

$464

Fri 4/2512:26 pmRAP - IAD

1 stop8h 16mAmerican Airlines

Tue 4/295:00 amIAD - RAP

2 stops8h 56mAmerican Airlines

Deal found 4/10

$516

Fri 4/2511:45 amRAP - BWI

2 stops10h 56mDelta

Tue 4/297:00 amBWI - RAP

2 stops10h 38mDelta

Deal found 4/10

$632

Fri 4/2511:45 amRAP - IAD

2 stops9h 22mDelta

Tue 4/295:23 pmIAD - RAP

2 stops7h 07mDelta

Deal found 4/10

$705

Thu 5/811:33 amRAP - IAD

1 stop7h 52mUnited Airlines

Wed 5/146:22 amIAD - RAP

1 stop6h 38mUnited Airlines

Deal found 4/10

$408

Wed 5/214:25 pmRAP - DCA

1 stop5h 01mDelta

Sun 5/256:05 amDCA - RAP

1 stop6h 01mDelta

Deal found 4/10

$401

Wed 5/214:35 pmRAP - DCA

1 stop6h 11mAmerican Airlines

Sat 5/249:00 pmDCA - RAP

1 stop16h 19mAmerican Airlines

Deal found 4/10

$475

Cheapflights Fare Finder

Use the filters below to find and compare flights from Rapid City to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Fri 4/25

3:43 pm-11:30 pm

1 stop5h 47m

Baltimore/Washington

Tue 4/29

4:07 pm-10:00 pm

1 stop7h 53m

$347

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 6/20

1:38 pm-10:42 pm

1 stop7h 04m

Washington, D.C. Reagan-National

Mon 6/23

3:30 pm-9:26 pm

1 stop7h 56m

$398

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Wed 5/21

4:25 pm-11:26 pm

1 stop5h 01m

Washington, D.C. Reagan-National

Sun 5/25

6:05 am-10:06 am

1 stop6h 01m

$401

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Sat 6/7

2:53 pm-11:16 pm

1 stop6h 23m

Baltimore/Washington

Sun 6/29

6:44 am-10:48 am

1 stop6h 04m

$405

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 6/6

4:39 pm-12:51 am

1 stop6h 12m

Washington, D.C. Reagan-National

Sun 6/29

5:00 am-9:45 am

1 stop6h 45m

$407

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Fri 6/20

4:39 pm-12:41 am

1 stop6h 02m

Washington, D.C. Dulles Intl

Mon 6/23

6:27 am-12:19 pm

1 stop7h 52m

$407

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 5/8

11:33 am-9:25 pm

1 stop7h 52m

Washington, D.C. Dulles Intl

Wed 5/14

6:22 am-11:00 am

1 stop6h 38m

$408

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 6/7

9:49 am-11:02 am

2 stops23h 13m

Washington, D.C. Dulles Intl

Sun 6/29

4:16 pm-4:21 pm

1 stop26h 05m

$418

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Sat 6/7

9:49 am-3:53 pm

2 stops28h 04m

Baltimore/Washington

Sun 6/29

2:08 pm-4:21 pm

2 stops28h 13m

$424

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Fri 4/25

11:45 am-12:41 am

2 stops10h 56m

Baltimore/Washington

Tue 4/29

7:00 am-3:38 pm

2 stops10h 38m

$632

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 11 results

Compare providers for flights from Rapid City to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to Washington, D.C. in April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Rapid City-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Rapid City-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Rapid City-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Rapid City-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rapid City-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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.

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

7,910 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,910 reviews

Delta

8.0

Very good

7,910 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,636 reviews

Delta

8.0

Very good

7,910 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,910 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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 $347. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $401 and $405, respectively. Users have found that United Airlines is 29% cheaper than the other options available to this destination.
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 - Washington, D.C. Reagan-National or Rapid City - Baltimore/Washington 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

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Springfield

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Woodbridge

Gaithersburg

Linthicum Heights

Silver Spring

Falls Church

Laurel

Easton

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Oxon Hill

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Browse thousands of different options on Cheapflights for your next trip

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

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$255	Average$382	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$268	Average$390	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$293	Average$592	FlexibilityNo cancel fee	On-time69%

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$347+ Cheap flights from Rapid City (RAP) to Washington, D.C. (WAS)

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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Rapid City to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

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Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

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 April 11, 2025.

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 April 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Rapid City to Washington, D.C. that are best for you.

Compare providers for flights from Rapid City to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to Washington, D.C. in April.

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.

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.?

Rainfall in Washington, D.C. by month

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

Temperature in Washington, D.C. by month

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

Reviews of airlines servicing Washington, D.C.

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.

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.?

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

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?

How can I 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.?

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

Traveling to a place near Rapid City?

Browse thousands of different options on Cheapflights for your next trip

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

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

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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 April 11, 2025.