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 $269. Additional round-trip tickets that might be worth considering are offered by United Airlines and Sun Country Air, with the lowest prices starting at $289 and $315, respectively. Users have found that Delta is 45% 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 Sun Country Air, with whom users have recently found tickets for as low as $148. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Rapid City to Washington, D.C. for a low price.

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.

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.

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).

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..

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.

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.

$148+ Flights from Rapid City to Washington, D.C.

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

Round-trip from	$269 (Delta)
One-way from	$148 (Sun Country Air)
Popular in	February
Cheapest in	December
Average price	$414

From Rapid City to Washington, D.C. (WAS)

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One-way flight from Rapid City to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 22% potential increase in price ($144 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 July 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 July 9, 2025.

Fri 8/294:25 pmRAP - DCA

1 stop5h 11mDelta

Sun 8/316:10 amDCA - RAP

1 stop6h 04mDelta

Deal found 7/9

$269

Thu 8/142:25 pmRAP - IAD

1 stop7h 13mDelta

Mon 8/186:15 amIAD - RAP

1 stop5h 59mDelta

Deal found 7/8

$269

Thu 9/1112:43 pmRAP - BWI

1 stop8h 34mUnited Airlines

Mon 9/154:20 pmBWI - RAP

1 stop7h 39mUnited Airlines

Deal found 7/9

$289

Fri 10/32:27 pmRAP - BWI

1 stop7h 22mDelta

Mon 10/66:15 pmBWI - RAP

1 stop5h 55mDelta

Deal found 7/7

$294

Fri 7/253:21 pmRAP - BWI

1 stop18h 02mSun Country Air

Mon 7/2812:25 pmBWI - RAP

1 stop7h 08mSun Country Air

Deal found 7/7

$315

Tue 8/56:01 pmRAP - DCA

1 stop14h 59mAmerican Airlines

Sat 8/97:00 amDCA - RAP

1 stop12h 42mAmerican Airlines

Deal found 7/9

$315

Thu 7/246:30 amRAP - IAD

1 stop5h 19mUnited Airlines

Mon 7/283:56 pmIAD - RAP

1 stop8h 05mUnited Airlines

Deal found 7/9

$319

Fri 10/36:00 amRAP - IAD

1 stop8h 50mAmerican Airlines

Mon 10/66:11 amIAD - RAP

1 stop17h 39mAmerican Airlines

Deal found 7/9

$347

Fri 10/35:00 pmRAP - BWI

2 stops15h 53mAmerican Airlines

Mon 10/67:20 pmBWI - RAP

1 stop18h 18mAmerican Airlines

Deal found 7/7

$349

Tue 8/261:35 pmRAP - DCA

1 stop7h 08mUnited Airlines

Sat 8/304:24 pmDCA - RAP

1 stop7h 35mUnited Airlines

Deal found 7/6

$349

Thu 7/249:59 pmRAP - BWI

2 stops13h 35mMultiple Airlines

Mon 7/2812:25 pmBWI - RAP

1 stop7h 08mMultiple Airlines

Deal found 7/9

$361

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 July 9, 2025.

Fri 8/294:25 pmRAP - DCA

1 stop5h 11mDelta

Sun 8/316:10 amDCA - RAP

1 stop6h 04mDelta

Deal found 7/9

$269

Thu 9/1112:43 pmRAP - BWI

1 stop8h 34mUnited Airlines

Mon 9/154:20 pmBWI - RAP

1 stop7h 39mUnited Airlines

Deal found 7/9

$289

Fri 7/253:21 pmRAP - BWI

1 stop18h 02mSun Country Air

Mon 7/2812:25 pmBWI - RAP

1 stop7h 08mSun Country Air

Deal found 7/7

$315

Tue 8/56:01 pmRAP - DCA

1 stop14h 59mAmerican Airlines

Sat 8/97:00 amDCA - RAP

1 stop12h 42mAmerican Airlines

Deal found 7/9

$315

Thu 7/249:59 pmRAP - BWI

2 stops13h 35mMultiple Airlines

Mon 7/2812:25 pmBWI - RAP

1 stop7h 08mMultiple Airlines

Deal found 7/9

$361

Thu 8/142:25 pmRAP - IAD

1 stop7h 13mDelta

Mon 8/186:15 amIAD - RAP

1 stop5h 59mDelta

Deal found 7/8

$269

Thu 7/246:30 amRAP - IAD

1 stop5h 19mUnited Airlines

Mon 7/283:56 pmIAD - RAP

1 stop8h 05mUnited Airlines

Deal found 7/9

$319

Fri 10/32:27 pmRAP - BWI

1 stop7h 22mDelta

Mon 10/66:15 pmBWI - RAP

1 stop5h 55mDelta

Deal found 7/7

$294

Fri 10/36:00 amRAP - IAD

1 stop8h 50mAmerican Airlines

Mon 10/66:11 amIAD - RAP

1 stop17h 39mAmerican Airlines

Deal found 7/9

$347

Fri 10/35:00 pmRAP - BWI

2 stops15h 53mAmerican Airlines

Mon 10/67:20 pmBWI - RAP

1 stop18h 18mAmerican Airlines

Deal found 7/7

$349

Tue 8/261:35 pmRAP - DCA

1 stop7h 08mUnited Airlines

Sat 8/304:24 pmDCA - RAP

1 stop7h 35mUnited Airlines

Deal found 7/6

$349

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 July 9, 2025 and is based on user searches.

Thu 7/102:25 pmRAP - BWI

1 stop7h 34mDelta

Mon 7/146:00 amBWI - RAP

1 stop6h 13mDelta

Deal found 7/8

$439

Wed 7/1610:26 amRAP - IAD

2 stops11h 32mAmerican Airlines

Wed 7/236:35 amIAD - RAP

1 stop6h 14mAmerican Airlines

Deal found 7/7

$516

Sat 7/193:25 pmRAP - IAD

1 stop7h 20mUnited Airlines

Wed 7/236:35 amIAD - RAP

1 stop5h 45mUnited Airlines

Deal found 7/9

$349

Sat 7/1910:26 amRAP - BWI

1 stop6h 33mAmerican Airlines

Wed 7/2311:46 amBWI - RAP

1 stop7h 45mAmerican Airlines

Deal found 7/9

$354

Sat 7/197:00 amRAP - DCA

1 stop6h 05mUnited Airlines

Wed 7/236:25 amDCA - RAP

1 stop5h 55mUnited Airlines

Deal found 7/9

$456

Sat 7/199:42 amRAP - BWI

2 stops11h 42mUnited Airlines

Wed 7/236:15 amBWI - RAP

1 stop6h 05mUnited Airlines

Deal found 7/9

$468

Sat 7/1910:14 amRAP - BWI

2 stops20h 30mMultiple Airlines

Wed 7/236:22 pmBWI - RAP

2 stops28h 47mMultiple Airlines

Deal found 7/9

$499

Sat 7/196:50 amRAP - DCA

1 stop5h 08mDelta

Wed 7/236:05 amDCA - RAP

2 stops9h 40mDelta

Deal found 7/9

$614

Sat 7/1910:53 amRAP - IAD

2 stops10h 02mDelta

Wed 7/236:20 amIAD - RAP

1 stop5h 53mDelta

Deal found 7/9

$625

Tue 7/227:00 amRAP - BWI

1 stop6h 14mUnited Airlines

Sat 7/266:15 amBWI - RAP

1 stop6h 05mUnited Airlines

Deal found 7/6

$319

Thu 7/246:30 amRAP - IAD

1 stop5h 19mUnited Airlines

Mon 7/283:56 pmIAD - RAP

1 stop8h 05mUnited Airlines

Deal found 7/9

$319

Thu 7/249:59 pmRAP - BWI

2 stops13h 35mMultiple Airlines

Mon 7/2812:25 pmBWI - RAP

1 stop7h 08mMultiple Airlines

Deal found 7/9

$361

One-way flights from Rapid City to Washington, D.C.
Search for one-way flight options from Rapid City to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated July 9, 2025.

Fri 7/253:21 pmRAP - BWI

1 stop18h 02mSun Country Air

Deal found 7/6

$148

Fri 7/253:21 pmRAP - IAD

1 stop18h 22mSun Country Air

Deal found 7/6

$153

Fri 9/125:00 pmRAP - BWI

2 stops15h 53mAmerican Airlines

Deal found 7/8

$167

Fri 9/126:00 amRAP - IAD

1 stop8h 50mAmerican Airlines

Deal found 7/8

$178

Sun 8/39:49 pmRAP - BWI

2 stops29h 44mMultiple Airlines

Deal found 7/7

$179

Fri 9/124:24 pmRAP - BWI

1 stop5h 25mDelta

Deal found 7/8

$206

Sun 9/74:38 pmRAP - DCA

1 stop6h 17mAmerican Airlines

Deal found 7/8

$208

Wed 7/231:43 pmRAP - BWI

1 stop5h 59mUnited Airlines

Deal found 7/8

$236

Fri 7/254:38 pmRAP - IAD

1 stop6h 07mUnited Airlines

Deal found 7/9

$236

Thu 7/247:00 amRAP - DCA

1 stop6h 05mUnited Airlines

Deal found 7/9

$276

Sun 9/72:25 pmRAP - IAD

1 stop7h 15mDelta

Deal found 7/8

$310

Sun 9/710:55 amRAP - DCA

2 stops10h 51mDelta

Deal found 7/7

$315

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 CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 8/29

4:25 pm-11:36 pm

1 stop5h 11m

Washington, D.C. Reagan-National

Sun 8/31

6:10 am-10:14 am

1 stop6h 04m

$269

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 8/14

2:25 pm-11:38 pm

1 stop7h 13m

Washington, D.C. Dulles Intl

Mon 8/18

6:15 am-10:14 am

1 stop5h 59m

$269

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Thu 9/11

12:43 pm-11:17 pm

1 stop8h 34m

Baltimore/Washington

Mon 9/15

4:20 pm-9:59 pm

1 stop7h 39m

$289

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Fri 10/3

2:27 pm-11:49 pm

1 stop7h 22m

Baltimore/Washington

Mon 10/6

6:15 pm-10:10 pm

1 stop5h 55m

$294

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Fri 7/25

3:21 pm-11:23 am

1 stop18h 02m

Baltimore/Washington

Mon 7/28

12:25 pm-5:33 pm

1 stop7h 08m

$315

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Tue 8/5

6:01 pm-11:00 am

1 stop14h 59m

Washington, D.C. Reagan-National

Sat 8/9

7:00 am-5:42 pm

1 stop12h 42m

$315

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 7/24

6:30 am-1:49 pm

1 stop5h 19m

Washington, D.C. Dulles Intl

Mon 7/28

3:56 pm-10:01 pm

1 stop8h 05m

$319

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

6:11 am-9:50 pm

1 stop17h 39m

$347

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Fri 10/3

5:00 pm-10:53 am

2 stops15h 53m

Baltimore/Washington

Mon 10/6

7:20 pm-11:38 am

1 stop18h 18m

$349

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Tue 8/26

1:35 pm-10:43 pm

1 stop7h 08m

Washington, D.C. Reagan-National

Sat 8/30

4:24 pm-9:59 pm

1 stop7h 35m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 23 results

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 $309). 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.

Read through reviews of airlines operating flights from Rapid City to Washington, D.C., such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,954 reviews

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

7,954 reviews

Delta

8.0

Very good

7,954 reviews

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

8,842 reviews

Delta

8.0

Very good

7,954 reviews

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

7,954 reviews

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!

Sun Country Air

6.9

Okay

336 reviews

Delta

8.0

Very good

7,954 reviews

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

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 Delta 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 United Airlines and Sun Country Air, with the lowest prices starting at $289 and $315, respectively. Users have found that Delta is 45% 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 Sun Country Air, with whom users have recently found tickets for as low as $148. However, be on the lookout for offers from American Airlines and Delta, 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 $309). 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

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

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$255	Average$391	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$268	Average$387	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$323	Average$598	FlexibilityNo cancel fee	On-time69%

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$148+ 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 7/25. 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

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

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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 July 9, 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 July 9, 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.

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.?

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Rapid City to Washington, D.C., such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's 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 cheapest airlines to fly from Rapid City to Washington, D.C. one-way?

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?

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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 July 9, 2025.