What is the cheapest airline that flies from Rapid City to District of Columbia?

Delta, American Airlines, and United Airlines are the most popular carriers operating from Rapid City to District of Columbia

When did momondo last update prices for flights from Rapid City Airport to District of Columbia?

Prices for flights from Rapid City Airport to District of Columbia are refreshed on a daily basis.

How many operators does momondo search for flights from Rapid City Airport to District of Columbia?

As of April 2026, there are 2 operators available to choose from for flights from Rapid City Airport to District of Columbia.

How old do you have to be to fly from Rapid City Airport to District of Columbia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The travel and health documents required for your trip to District of Columbia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at District of Columbia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$146 Cheap Flights from Rapid City to District of Columbia in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rapid City to District of Columbia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:57 pm - 12:41 pm

RAP

IAD

16h 44m

2 stops

6:37 pm - 11:05 am

IAD

RAP

18h 28m

1 stop

$325Multiple Airlines

Thu, May 14 - Tue, May 19

12:05 pm - 8:15 pm

RAP

DCA

6h 10m

1 stop

6:30 am - 10:45 am

DCA

RAP

6h 15m

1 stop

$349United Airlines

Fri, May 8 - Sun, May 10

2:35 pm - 11:34 pm

RAP

IAD

6h 59m

1 stop

6:15 am - 10:45 am

IAD

RAP

6h 30m

1 stop

$349United Airlines

Fri, May 8 - Sun, May 10

12:05 pm - 9:06 pm

RAP

DCA

7h 01m

1 stop

3:30 pm - 9:46 pm

DCA

RAP

8h 16m

1 stop

$361United Airlines

Sat, May 2 - Wed, May 6

12:05 pm - 7:28 pm

RAP

IAD

5h 23m

1 stop

4:05 pm - 9:55 pm

IAD

RAP

7h 50m

1 stop

$361United Airlines

Sat, May 2 - Wed, May 6

1:08 pm - 9:21 pm

RAP

DCA

6h 13m

1 stop

5:00 am - 12:38 pm

DCA

RAP

9h 38m

2 stops

$366American Airlines

Sat, May 2 - Wed, May 6

6:00 am - 5:09 pm

RAP

IAD

9h 09m

1 stop

9:19 am - 4:27 pm

IAD

RAP

9h 08m

2 stops

$366American Airlines

Sat, May 2 - Wed, May 6

1:08 pm - 11:57 pm

RAP

DCA

8h 49m

2 stops

5:00 am - 12:38 pm

DCA

RAP

9h 38m

2 stops

$371American Airlines

Sat, May 2 - Wed, May 6

3:55 pm - 11:32 pm

RAP

IAD

5h 37m

1 stop

6:37 pm - 10:20 pm

IAD

RAP

5h 43m

1 stop

$385Delta

Fri, May 1 - Tue, May 5

2:36 pm - 11:28 pm

RAP

DCA

6h 52m

1 stop

2:45 pm - 10:24 pm

DCA

RAP

9h 39m

2 stops

$387Delta

Fri, May 29 - Tue, Jun 2

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American Airlines flights from Rapid City to District of Columbia

Our best American Airlines deals on Rapid City to District of Columbia flight tickets

American Airlines

May 2

RAP6:00 amRapid City

9h 09m

1 stop

IAD5:09 pmWashington, D.C. Dulles Intl

May 6

IAD9:19 amWashington, D.C. Dulles Intl

9h 08m

2 stops

RAP4:27 pmRapid City

$366

American Airlines

May 2

RAP1:08 pmRapid City

8h 51m

2 stops

IAD11:59 pmWashington, D.C. Dulles Intl

May 6

IAD9:19 amWashington, D.C. Dulles Intl

9h 08m

2 stops

RAP4:27 pmRapid City

$371

American Airlines

May 2

RAP6:00 amRapid City

9h 09m

1 stop

IAD5:09 pmWashington, D.C. Dulles Intl

May 6

IAD7:00 amWashington, D.C. Dulles Intl

7h 38m

1 stop

RAP12:38 pmRapid City

$380

Delta flights from Rapid City to District of Columbia

Our best Delta deals on Rapid City to District of Columbia flight tickets

Delta

May 1

RAP3:55 pmRapid City

5h 37m

1 stop

IAD11:32 pmWashington, D.C. Dulles Intl

May 5

IAD6:37 pmWashington, D.C. Dulles Intl

5h 43m

1 stop

RAP10:20 pmRapid City

$385

Delta

May 29

RAP2:36 pmRapid City

6h 52m

1 stop

DCA11:28 pmWashington, D.C. Reagan-National

Jun 2

DCA2:45 pmWashington, D.C. Reagan-National

9h 39m

2 stops

RAP10:24 pmRapid City

$387

Delta

May 1

RAP3:55 pmRapid City

5h 48m

1 stop

DCA11:43 pmWashington, D.C. Reagan-National

May 5

DCA2:34 pmWashington, D.C. Reagan-National

9h 46m

2 stops

RAP10:20 pmRapid City

$390

momondo Fare Finder

Use the filters below to find and compare flights from Rapid City to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Thu 5/14

5:57 pm-12:41 pm

2 stops16h 44m

Washington, D.C. Dulles Intl

Tue 5/19

6:37 pm-11:05 am

1 stop18h 28m

$325

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 5/8

12:05 pm-8:15 pm

1 stop6h 10m

Washington, D.C. Reagan-National

Sun 5/10

6:30 am-10:45 am

1 stop6h 15m

$349

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Fri 5/8

2:35 pm-11:34 pm

1 stop6h 59m

Washington, D.C. Dulles Intl

Sun 5/10

6:15 am-10:45 am

1 stop6h 30m

$349

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Sat 5/2

12:05 pm-9:06 pm

1 stop7h 01m

Washington, D.C. Reagan-National

Wed 5/6

3:30 pm-9:46 pm

1 stop8h 16m

$361

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 5/2

12:05 pm-7:28 pm

1 stop5h 23m

Washington, D.C. Dulles Intl

Wed 5/6

4:05 pm-9:55 pm

1 stop7h 50m

$361

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Sat 5/2

1:08 pm-9:21 pm

1 stop6h 13m

Washington, D.C. Reagan-National

Wed 5/6

5:00 am-12:38 pm

2 stops9h 38m

$366

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 5/2

6:00 am-5:09 pm

1 stop9h 09m

Washington, D.C. Dulles Intl

Wed 5/6

9:19 am-4:27 pm

2 stops9h 08m

$366

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Sat 5/2

1:08 pm-11:57 pm

2 stops8h 49m

Washington, D.C. Reagan-National

Wed 5/6

5:00 am-12:38 pm

2 stops9h 38m

$371

Quickest round-trip

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Fri 5/1

3:55 pm-11:32 pm

1 stop5h 37m

Washington, D.C. Dulles Intl

Tue 5/5

6:37 pm-10:20 pm

1 stop5h 43m

$385

Rapid CityWashington, D.C.

RAP - DCA

RAPDCA

Rapid City

Fri 5/29

2:36 pm-11:28 pm

1 stop6h 52m

Washington, D.C. Reagan-National

Tue 6/2

2:45 pm-10:24 pm

2 stops9h 39m

$387

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 District of Columbia

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

What is the cheapest month to fly to District of Columbia?

In general, November is the cheapest month to fly from Rapid City to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $268. If you don’t want to visit District of Columbia in November, then you should wait until October to fly from Rapid City, when ticket prices are also cheap, with an average price of $318.

Can stopping save me money on Rapid City to District of Columbia flights?

You could potentially save up to 68% on your flight if you consider stops on a Rapid City to District of Columbia flight.

Cheap Rapid City to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rapid City to District of Columbia

Fastest flight time	5h 48m
Direct flights	None

The fastest flight from Rapid City to District of Columbia takes 5h 48m

There are no direct flights from Rapid City to District of Columbia. There are no popular flight routes from Rapid City to District of Columbia.

Search flight deals

Frequently asked questions about flying from Rapid City to District of Columbia

When did momondo last update prices for flights from Rapid City Airport to District of Columbia?
Prices for flights from Rapid City Airport to District of Columbia are refreshed on a daily basis.
How many operators does momondo search for flights from Rapid City Airport to District of Columbia?
As of April 2026, there are 2 operators available to choose from for flights from Rapid City Airport to District of Columbia.
How old do you have to be to fly from Rapid City Airport to District of Columbia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rapid City Airport to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The travel and health documents required for your trip to District of Columbia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at District of Columbia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Rapid City to District of Columbia

Compare and see reviews for airlines that fly from Rapid City to District of Columbia with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $268	Free Cancellation	Rating 7.4 9,604 reviews		Search United Airlines flights
Delta	PriceFrom $270	Free Cancellation	Rating 7.9 8,422 reviews		Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Rapid City to District of Columbia?

It is quick and easy to find Rapid City to District of Columbia 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 District of Columbia that suits you.

Can I find flights from Rapid City to District of Columbia with flexible booking policies on momondo?

Yes. All flights to District of Columbia from Rapid City on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Rapid City to District of Columbia?

momondo helps you find the best flight between Rapid City and District of Columbia 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 District of Columbia right now. Can momondo alert me if prices change?

Price alerts on flights to District of Columbia from Rapid City are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.