Which airport is the most popular layover for flights between Rapid City and Washington, D.C.?

Denver (DEN) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Rapid City to Washington, D.C.?

Flights via Minneapolis (MSP) offer the lowest average round-trip price of $439.

What airlines fly to Washington, D.C.?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Washington, D.C. from Rapid City according to our data. United Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Rapid City to Washington, D.C.?

American Airlines, United Airlines, and Delta are the most popular carriers operating from Rapid City to Washington, D.C.

Which layover airport has the shortest connection time from Rapid City to Washington, D.C.?

Minneapolis (MSP) has the shortest average layover time for this route: 0h 51m.

Which layover airport has the shortest travel time from Rapid City to Washington, D.C.?

Flights connecting via Minneapolis (MSP) have the shortest average one-way travel time: 5h 10m.

When did momondo last update prices for flights from Rapid City Airport to Washington, D.C.?

Prices for flights from Rapid City Airport to Washington, D.C. were last updated today.

How many operators does momondo search for flights from Rapid City Airport to Washington, D.C.?

As of October 2026, there are 3 operators available to choose from for flights from Rapid City Airport to Washington, D.C..

How old do you have to be to fly from Rapid City Airport to Washington, D.C.?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rapid City Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$204 Cheap Flights from Rapid City to Washington, D.C. in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rapid City to Washington, D.C.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:37 pm - 11:33 pmRAP Rapid City-IAD Washington, D.C. Dulles Intl

4h 56m1 stop Minneapolis St Paul

7:30 am - 11:12 amIAD Washington, D.C. Dulles Intl-RAP Rapid City

5h 42m1 stop Minneapolis St Paul

$321Delta

Wed, Dec 30 - Tue, Jan 5

4:00 pm - 11:33 pmRAP Rapid City-IAD Washington, D.C. Dulles Intl

5h 33m1 stop Minneapolis St Paul

7:30 am - 11:12 amIAD Washington, D.C. Dulles Intl-RAP Rapid City

5h 42m1 stop Minneapolis St Paul

$321Delta

Tue, Apr 6 - Tue, Apr 13

4:37 pm - 11:33 pmRAP Rapid City-IAD Washington, D.C. Dulles Intl

4h 56m1 stop Minneapolis St Paul

7:30 am - 11:12 amIAD Washington, D.C. Dulles Intl-RAP Rapid City

5h 42m1 stop Minneapolis St Paul

$321Delta

Wed, Dec 30 - Wed, Jan 6

4:00 pm - 11:33 pmRAP Rapid City-IAD Washington, D.C. Dulles Intl

5h 33m1 stop Minneapolis St Paul

7:30 am - 11:12 amIAD Washington, D.C. Dulles Intl-RAP Rapid City

5h 42m1 stop Minneapolis St Paul

$321Delta

Tue, Apr 6 - Tue, Apr 13

5:00 am - 12:55 pmRAP Rapid City-IAD Washington, D.C. Dulles Intl

5h 55m1 stop Denver Intl

6:10 am - 10:31 amIAD Washington, D.C. Dulles Intl-RAP Rapid City

6h 21m1 stop Chicago O'Hare Intl

$359United Airlines

Tue, Nov 10 - Sun, Nov 15

1:30 pm - 9:42 pmRAP Rapid City-BWI Baltimore/Washington

6h 12m1 stop Chicago O'Hare Intl

6:10 am - 3:19 pmBWI Baltimore/Washington-RAP Rapid City

11h 09m2 stops Chicago O'Hare Intl Denver Intl

$364United Airlines

Thu, Nov 12 - Wed, Nov 18

1:30 pm - 9:11 pmRAP Rapid City-DCA Washington, D.C. Reagan-National

5h 41m1 stop Chicago O'Hare Intl

5:10 pm - 9:42 pmDCA Washington, D.C. Reagan-National-RAP Rapid City

6h 32m1 stop Chicago O'Hare Intl

$375United Airlines

Mon, Nov 23 - Tue, Dec 1

6:11 am - 5:19 pmRAP Rapid City-DCA Washington, D.C. Reagan-National

9h 08m2 stops Dallas/Fort Worth Philadelphia

3:31 pm - 9:27 pmDCA Washington, D.C. Reagan-National-RAP Rapid City

7h 56m1 stop Dallas/Fort Worth

$385American Airlines

Tue, Nov 3 - Tue, Nov 10

1:09 pm - 11:09 pmRAP Rapid City-BWI Baltimore/Washington

8h 00m1 stop Dallas/Fort Worth

5:39 am - 11:23 amBWI Baltimore/Washington-RAP Rapid City

7h 44m1 stop Chicago O'Hare Intl

$385American Airlines

Tue, Apr 6 - Tue, Apr 13

6:11 am - 5:19 pmRAP Rapid City-DCA Washington, D.C. Reagan-National

9h 08m2 stops Dallas/Fort Worth Philadelphia

5:00 am - 12:39 pmDCA Washington, D.C. Reagan-National-RAP Rapid City

9h 39m2 stops Charlotte Douglas Dallas/Fort Worth

$390American Airlines

Tue, Nov 3 - Tue, Nov 10

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 2:28 pmRAP Rapid City-DCA Washington, D.C. Reagan-National

6h 28m1 stop Dallas/Fort Worth

1:44 pm - 9:39 pmDCA Washington, D.C. Reagan-National-RAP Rapid City

9h 55m1 stop Dallas/Fort Worth

$400American Airlines

Sat, Oct 24 - Sat, Oct 31

6:00 am - 2:28 pmRAP Rapid City-DCA Washington, D.C. Reagan-National

6h 28m1 stop Dallas/Fort Worth

9:56 am - 4:25 pmDCA Washington, D.C. Reagan-National-RAP Rapid City

8h 29m1 stop Dallas/Fort Worth

$400American Airlines

Tue, Oct 20 - Wed, Oct 28

12:51 pm - 9:45 pmRAP Rapid City-DCA Washington, D.C. Reagan-National

6h 54m1 stop Dallas/Fort Worth

5:00 am - 9:54 amDCA Washington, D.C. Reagan-National-RAP Rapid City

6h 54m1 stop Dallas/Fort Worth

$400American Airlines

Sat, Oct 24 - Sat, Oct 31

4:38 pm - 11:26 pmRAP Rapid City-IAD Washington, D.C. Dulles Intl

4h 48m1 stop Minneapolis St Paul

6:59 pm - 10:30 pmIAD Washington, D.C. Dulles Intl-RAP Rapid City

5h 31m1 stop Minneapolis St Paul

$411Delta

Tue, Oct 20 - Wed, Oct 28

4:38 pm - 11:26 pmRAP Rapid City-IAD Washington, D.C. Dulles Intl

4h 48m1 stop Minneapolis St Paul

7:23 am - 10:45 amIAD Washington, D.C. Dulles Intl-RAP Rapid City

5h 22m1 stop Minneapolis St Paul

$411Delta

Sat, Oct 24 - Sat, Oct 31

12:51 pm - 11:23 pmRAP Rapid City-IAD Washington, D.C. Dulles Intl

8h 32m1 stop Dallas/Fort Worth

6:42 am - 12:21 pmIAD Washington, D.C. Dulles Intl-RAP Rapid City

7h 39m1 stop Dallas/Fort Worth

$411American Airlines

Sat, Oct 24 - Sat, Oct 31

4:38 pm - 11:26 pmRAP Rapid City-IAD Washington, D.C. Dulles Intl

4h 48m1 stop Minneapolis St Paul

6:00 am - 1:57 pmIAD Washington, D.C. Dulles Intl-RAP Rapid City

9h 57m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

$416Delta

Tue, Oct 20 - Wed, Oct 28

1:37 pm - 9:02 pmRAP Rapid City-BWI Baltimore/Washington

5h 25m1 stop Chicago O'Hare Intl

4:19 pm - 8:43 pmBWI Baltimore/Washington-RAP Rapid City

6h 24m1 stop Denver Intl

$464United Airlines

Fri, Oct 23 - Sat, Oct 31

10:26 am - 10:59 pmRAP Rapid City-BWI Baltimore/Washington

10h 33m2 stops Denver Intl Chicago O'Hare Intl

8:23 am - 12:48 pmBWI Baltimore/Washington-RAP Rapid City

6h 25m1 stop Denver Intl

$469United Airlines

Fri, Oct 23 - Sat, Oct 31

10:26 am - 9:02 pmRAP Rapid City-BWI Baltimore/Washington

8h 36m2 stops Denver Intl Chicago O'Hare Intl

6:10 am - 12:48 pmBWI Baltimore/Washington-RAP Rapid City

8h 38m2 stops Chicago O'Hare Intl Denver Intl

$512United Airlines

Fri, Oct 23 - Sat, Oct 31

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United Airlines flights from Rapid City to Washington, D.C.

Our best United Airlines deals on Rapid City to Washington, D.C. flight tickets

United Airlines

Nov 23

RAP1:30 pmRapid City

5h 41m

1 stop

DCA9:11 pmWashington, D.C. Reagan-National

Dec 1

DCA5:10 pmWashington, D.C. Reagan-National

6h 32m

1 stop

RAP9:42 pmRapid City

$375

United Airlines

Oct 31

RAP11:12 amRapid City

6h 18m

1 stop

IAD7:30 pmWashington, D.C. Dulles Intl

Nov 7

IAD4:10 pmWashington, D.C. Dulles Intl

6h 33m

1 stop

RAP8:43 pmRapid City

$385

United Airlines

Nov 2

RAP12:39 pmRapid City

8h 29m

1 stop

BWI11:08 pmBaltimore/Washington

Nov 9

BWI4:19 pmBaltimore/Washington

6h 24m

1 stop

RAP8:43 pmRapid City

$394

Delta flights from Rapid City to Washington, D.C.

Our best Delta deals on Rapid City to Washington, D.C. flight tickets

Delta

Apr 6

RAP4:00 pmRapid City

5h 33m

1 stop

IAD11:33 pmWashington, D.C. Dulles Intl

Apr 13

IAD7:30 amWashington, D.C. Dulles Intl

5h 42m

1 stop

RAP11:12 amRapid City

$321

Delta

Apr 6

RAP11:30 amRapid City

10h 50m

2 stops

IAD12:20 amWashington, D.C. Dulles Intl

Apr 13

IAD7:30 amWashington, D.C. Dulles Intl

5h 42m

1 stop

RAP11:12 amRapid City

$326

Delta

Apr 6

RAP6:55 amRapid City

12h 17m

2 stops

IAD9:12 pmWashington, D.C. Dulles Intl

Apr 13

IAD5:00 pmWashington, D.C. Dulles Intl

7h 39m

2 stops

RAP10:39 pmRapid City

$331

momondo 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

Cheapest round-trip

Quickest round-trip

Rapid CityWashington, D.C.

RAP Rapid City - IAD Washington, D.C. Dulles Intl

RAPIAD

Rapid City

Wed 12/30

4:37 pm-11:33 pm

1 stop4h 56m

Washington, D.C. Dulles Intl

Tue 1/5

7:30 am-11:12 am

1 stop5h 42m

$321

Rapid CityWashington, D.C.

RAP Rapid City - IAD Washington, D.C. Dulles Intl

RAPIAD

Rapid City

Tue 4/6

4:00 pm-11:33 pm

1 stop5h 33m

Washington, D.C. Dulles Intl

Tue 4/13

7:30 am-11:12 am

1 stop5h 42m

$321

Rapid CityWashington, D.C.

RAP Rapid City - IAD Washington, D.C. Dulles Intl

RAPIAD

Rapid City

Wed 12/30

4:37 pm-11:33 pm

1 stop4h 56m

Washington, D.C. Dulles Intl

Wed 1/6

7:30 am-11:12 am

1 stop5h 42m

$321

Rapid CityWashington, D.C.

RAP Rapid City - IAD Washington, D.C. Dulles Intl

RAPIAD

Rapid City

Tue 4/6

4:00 pm-11:33 pm

1 stop5h 33m

Washington, D.C. Dulles Intl

Tue 4/13

7:30 am-11:12 am

1 stop5h 42m

$321

Rapid CityWashington, D.C.

RAP Rapid City - IAD Washington, D.C. Dulles Intl

RAPIAD

Rapid City

Tue 11/10

5:00 am-12:55 pm

1 stop5h 55m

Washington, D.C. Dulles Intl

Sun 11/15

6:10 am-10:31 am

1 stop6h 21m

$359

Rapid CityBaltimore

RAP Rapid City - BWI Baltimore/Washington

RAPBWI

Rapid City

Thu 11/12

1:30 pm-9:42 pm

1 stop6h 12m

Baltimore/Washington

Wed 11/18

6:10 am-3:19 pm

2 stops11h 09m

$364

Rapid CityWashington, D.C.

RAP Rapid City - DCA Washington, D.C. Reagan-National

RAPDCA

Rapid City

Mon 11/23

1:30 pm-9:11 pm

1 stop5h 41m

Washington, D.C. Reagan-National

Tue 12/1

5:10 pm-9:42 pm

1 stop6h 32m

$375

Rapid CityWashington, D.C.

RAP Rapid City - DCA Washington, D.C. Reagan-National

RAPDCA

Rapid City

Tue 11/3

6:11 am-5:19 pm

2 stops9h 08m

Washington, D.C. Reagan-National

Tue 11/10

3:31 pm-9:27 pm

1 stop7h 56m

$385

Rapid CityBaltimore

RAP Rapid City - BWI Baltimore/Washington

RAPBWI

Rapid City

Tue 4/6

1:09 pm-11:09 pm

1 stop8h 00m

Baltimore/Washington

Tue 4/13

5:39 am-11:23 am

1 stop7h 44m

$385

Rapid CityWashington, D.C.

RAP Rapid City - DCA Washington, D.C. Reagan-National

RAPDCA

Rapid City

Tue 11/3

6:11 am-5:19 pm

2 stops9h 08m

Washington, D.C. Reagan-National

Tue 11/10

5:00 am-12:39 pm

2 stops9h 39m

$390

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Rapid City to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

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

The month of January is, on average, the cheapest month to fly to Washington, D.C. from Rapid City, with most prices found around $338. If you’re not able to fly to Washington, D.C. in January, then December is your next best option. Flight prices from Rapid City to Washington, D.C. during December average around $348.

When to book flights from Rapid City to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Rapid City to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Rapid City to Washington, D.C. (RAP to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to Washington, D.C.

Best Price Found	$204
Fastest flight time	4h 35m
Direct flights	None

The best one-way flight to Washington, D.C. from Rapid City in the past 72 hours is $204. The best round-trip flight deal from Rapid City to Washington, D.C. found on momondo in the last 72 hours is $321.

The fastest flight from Rapid City to Washington, D.C. takes 4h 35m

There are no direct flights from Rapid City to Washington, D.C.. There are no popular flight routes from Rapid City to Washington, D.C..

Search flight deals

Frequently asked questions about flying from Rapid City to Washington, D.C.

How far is Rapid City to Washington, D.C. by plane?
There are 1394.5 mi between Rapid City and Washington, D.C.. 4h 35m is a normal flight duration for this route.
When did momondo last update prices for flights from Rapid City Airport to Washington, D.C.?
Prices for flights from Rapid City Airport to Washington, D.C. were last updated today.
How many operators does momondo search for flights from Rapid City Airport to Washington, D.C.?
As of October 2026, there are 3 operators available to choose from for flights from Rapid City Airport to Washington, D.C..
How old do you have to be to fly from Rapid City Airport to Washington, D.C.?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rapid City Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Rapid City to Washington, D.C.?
momondo data reveals that the most frequently booked airline on the route from Rapid City to Washington, D.C. is United Airlines, representing 68% of all bookings. The subsequent popular airline is Delta at 32%.

Best airlines flying from Rapid City to Washington, D.C.

Compare and see reviews for airlines that fly from Rapid City to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $201	Free Cancellation	Rating 7.3 10,388 reviews	Search United Airlines flights
Delta	PriceFrom $288	Free Cancellation	Rating 7.8 8,651 reviews	Search Delta flights
American Airlines	PriceFrom $442	Free Cancellation	Rating 7.0 12,175 reviews	Search American Airlines flights

Alexandria

National Harbor

Arlington

Gettysburg

Fredericksburg

Laurel

Waldorf

Woodbridge

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Fairfax

Springfield

Glen Burnie

Edgewood

College Park

Colonial Beach

Bethesda

Why use momondo?

Why should I use momondo to find a flight deal from Rapid City to Washington, D.C.?

It is quick and easy to find Rapid City to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Rapid City to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Rapid City to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Rapid City to Washington, D.C.?

momondo helps you find the best flight between Rapid City and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Rapid City to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Rapid City to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Nearby airports

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Complete your trip

Feeling lucky

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Rapid City to Washington, D.C. from $204

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Washington, D.C. departing on 11/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Rapid City to Washington, D.C.

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United Airlines flights from Rapid City to Washington, D.C.

Our best United Airlines deals on Rapid City to Washington, D.C. flight tickets

Delta flights from Rapid City to Washington, D.C.

Our best Delta deals on Rapid City to Washington, D.C. flight tickets

momondo Fare Finder

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

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Rapid City to Washington, D.C.

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

What is the cheapest airline that flies from Rapid City to Washington, D.C.?

What airlines fly to Washington, D.C.?

Which airport is the most popular layover for flights between Rapid City and Washington, D.C.?

Which layover airport offers the lowest fares from Rapid City to Washington, D.C.?

Which layover airport has the shortest travel time from Rapid City to Washington, D.C.?

Which layover airport has the shortest connection time from Rapid City to Washington, D.C.?

When to book flights from Rapid City to Washington, D.C.

Cheap Rapid City to Washington, D.C. (RAP to WAS) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Rapid City to Washington, D.C.

Best airlines flying from Rapid City to Washington, D.C.

Compare and see reviews for airlines that fly from Rapid City to Washington, D.C. with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Rapid City

According to popular flight searches on momondo this year

Complete your trip to Washington, D.C.

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