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Cheap flights from Rapid City to Washington, D.C. from $162

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 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:18 pm - 10:57 pmRAP-BWI
5h 39m1 stop
United Airlines Logo
4:12 pm - 9:59 pmBWI-RAP
7h 47m1 stop
$269United Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 19
United Airlines Logo
1:30 pm - 8:55 pmRAP-DCA
5h 25m1 stop
United Airlines Logo
6:30 am - 10:34 amDCA-RAP
6h 04m1 stop
$269United Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 19
United Airlines Logo
8:45 am - 4:30 pmRAP-IAD
5h 45m1 stop
United Airlines Logo
5:18 pm - 9:59 pmIAD-RAP
6h 41m1 stop
$269United Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 19
Delta Logo
2:51 pm - 11:10 pmRAP-DCA
6h 19m1 stop
Delta Logo
9:34 am - 3:45 pmDCA-RAP
8h 11m2 stops
$274Delta
Find Deal
Sat, Nov 15 - Wed, Nov 19
Delta Logo
11:07 am - 11:19 pmRAP-IAD
10h 12m2 stops
Delta Logo
6:59 pm - 10:39 pmIAD-RAP
5h 40m1 stop
$274Delta
Find Deal
Sat, Nov 15 - Wed, Nov 19
United Airlines Logo
7:10 am - 5:14 pmRAP-BWI
8h 04m2 stops
United Airlines Logo
4:12 pm - 9:59 pmBWI-RAP
7h 47m1 stop
$274United Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 19
American Airlines Logo
12:18 pm - 11:00 pmRAP-DCA
8h 42m1 stop
American Airlines Logo
1:44 pm - 9:16 pmDCA-RAP
9h 32m2 stops
$324American Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4
American Airlines Logo
1:42 pm - 11:00 pmRAP-DCA
7h 18m1 stop
American Airlines Logo
6:30 am - 1:12 pmDCA-RAP
8h 42m1 stop
$400American Airlines
Find Deal
Wed, Nov 12 - Fri, Nov 21
Multiple Airlines Logo
9:44 pm - 11:07 pmRAP-BWI
23h 23m3 stops
Multiple Airlines Logo
6:00 am - 8:54 pmBWI-RAP
16h 54m1 stop
$410Multiple Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
Multiple Airlines Logo
9:44 am - 10:45 pmRAP-BWI
35h 01m3 stops
Multiple Airlines Logo
6:00 am - 8:54 pmBWI-RAP
16h 54m1 stop
$485Multiple Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16

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 15
RAP8:45 amRapid City
5h 45m
1 stop
IAD4:30 pmWashington, D.C. Dulles Intl
Nov 19
IAD5:18 pmWashington, D.C. Dulles Intl
6h 41m
1 stop
RAP9:59 pmRapid City
$269
Find similar
United Airlines
Nov 15
RAP7:10 amRapid City
8h 04m
2 stops
BWI5:14 pmBaltimore/Washington
Nov 19
BWI4:12 pmBaltimore/Washington
7h 47m
1 stop
RAP9:59 pmRapid City
$274
Find similar
United Airlines
Nov 19
RAP12:27 pmRapid City
8h 30m
1 stop
BWI10:57 pmBaltimore/Washington
Nov 24
BWI4:20 pmBaltimore/Washington
6h 06m
1 stop
RAP8:26 pmRapid City
$284
Find similar

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

Our best Delta deals on Rapid City to Washington, D.C. flight tickets
Delta
Nov 15
RAP11:07 amRapid City
10h 12m
2 stops
IAD11:19 pmWashington, D.C. Dulles Intl
Nov 19
IAD6:59 pmWashington, D.C. Dulles Intl
5h 40m
1 stop
RAP10:39 pmRapid City
$274
Find similar
Delta
Nov 15
RAP11:07 amRapid City
9h 56m
2 stops
IAD11:03 pmWashington, D.C. Dulles Intl
Nov 19
IAD6:00 amWashington, D.C. Dulles Intl
10h 11m
2 stops
RAP2:11 pmRapid City
$279
Find similar
Delta
Nov 7
RAP4:34 pmRapid City
5h 15m
1 stop
BWI11:49 pmBaltimore/Washington
Nov 9
BWI6:00 amBaltimore/Washington
6h 27m
1 stop
RAP10:27 amRapid City
$294
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rapid City to Washington, D.C. 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, momondo users made 832,500 searches. Data last updated October 16, 2025.
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

Sat 11/15

3:18 pm-10:57 pm

1 stop5h 39m

Baltimore/Washington

Wed 11/19

4:12 pm-9:59 pm

1 stop7h 47m

$269

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Sat 11/15

1:30 pm-8:55 pm

1 stop5h 25m

Washington, D.C. Reagan-National

Wed 11/19

6:30 am-10:34 am

1 stop6h 04m

$269

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 11/15

8:45 am-4:30 pm

1 stop5h 45m

Washington, D.C. Dulles Intl

Wed 11/19

5:18 pm-9:59 pm

1 stop6h 41m

$269

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Sat 11/15

2:51 pm-11:10 pm

1 stop6h 19m

Washington, D.C. Reagan-National

Wed 11/19

9:34 am-3:45 pm

2 stops8h 11m

$274

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 11/15

11:07 am-11:19 pm

2 stops10h 12m

Washington, D.C. Dulles Intl

Wed 11/19

6:59 pm-10:39 pm

1 stop5h 40m

$274

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Sat 11/15

7:10 am-5:14 pm

2 stops8h 04m

Baltimore/Washington

Wed 11/19

4:12 pm-9:59 pm

1 stop7h 47m

$274

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 10/31

12:18 pm-11:00 pm

1 stop8h 42m

Washington, D.C. Reagan-National

Tue 11/4

1:44 pm-9:16 pm

2 stops9h 32m

$324

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Wed 11/12

1:42 pm-11:00 pm

1 stop7h 18m

Washington, D.C. Reagan-National

Fri 11/21

6:30 am-1:12 pm

1 stop8h 42m

$400

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Thu 11/13

9:44 pm-11:07 pm

3 stops23h 23m

Baltimore/Washington

Sun 11/16

6:00 am-8:54 pm

1 stop16h 54m

$410

Rapid CityBaltimore

RAP - BWI

RAPBWI

Rapid City

Fri 11/14

9:44 am-10:45 pm

3 stops35h 01m

Baltimore/Washington

Sun 11/16

6:00 am-8:54 pm

1 stop16h 54m

$485

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

What is the typical price of a round-trip flight between Rapid City and Washington, D.C.?

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Rapid City is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $350. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Rapid City to Washington, D.C. for around $574.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Rapid City to Washington, D.C. when you can find flight prices for as low as $349. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $502. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Rapid City to Washington, D.C. flight route?

Fly from Rapid City to Washington, D.C. Reagan-National for the best Rapid City - Washington, D.C. flight prices

What cabin class options are available on Rapid City to Washington, D.C. flights?

There is only 1 cabin class available to choose from on Rapid City to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Rapid City to Washington, D.C. flights?

You could potentially save up to 74% on your flight if you consider stops on a Rapid City to Washington, D.C. flight.

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.

Direct flights

None
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..
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  • How far is Rapid City to Washington, D.C. by plane?

    There are 1394.5 mi between Rapid City and Washington, D.C.. 4h 51m 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.?

  • 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.?

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 AirlinesPriceFrom $268Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights
DeltaPriceFrom $268Free CancellationRating
7.9
7,984 reviews
Search Delta flights
American AirlinesPriceFrom $293Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights

  • United Airlines Flights From Rapid City to Washington, D.C.

    United Airlines operates around 4 flights from Rapid City to Washington, D.C. every week. The average price of these flights found in the last 72 hours has been $489, but momondo users have found United Airlines deals from Rapid City to Washington, D.C. from as low as $268 round-trip. United Airlines has been scored 7.4/10 in 8,982 reviews.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Glen Burnie
Springfield
Linthicum Heights

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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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport