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

Our cheapest airline available from Rapid City to Washington, D.C. Dulles Intl Airport is United Airlines. Our recent data shows that you can find tickets from as low as $269 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $274 and $579 round-trip. Users have found that United Airlines is 45% cheaper than the other options available to this destination.

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

Currently, August is the cheapest month in which you can book a flight from Rapid City to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Rapid City to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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.

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

Travelers seeking maximum savings on their Rapid City to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday at noon 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 is the cheapest day to fly round-trip from Rapid City to Washington, D.C. Dulles Intl Airport?

Flights from Rapid City to Washington, D.C. Dulles Intl Airport are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

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

Our data shows that February tends to be the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Rapid City. Users have commonly found prices around $423 for the month, but tickets can be as low as $271. Due to multiple factors, prepare for potentially higher prices in August.

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

It’s typically best to fly out from Rapid City to Washington, D.C. Dulles Intl Airport at noon. Doing so could potentially save you 21% on the flight price compared to flying in the morning, which is usually more expensive.

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

Most trusted provider : When it comes to deals on Rapid City-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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. Dulles Intl Airport 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. Dulles Intl?

For a flight from Rapid City to Washington, D.C. Dulles Intl, you will be flying from Rapid City. Rapid City (RAP) is just 9.0 mi from the center of the city. Rapid City is the only Rapid City airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 2 airlines have flights to Washington, D.C. Dulles Intl from Rapid City on a regular basis.

Can I find deals for flights from Rapid City to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Rapid City to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Rapid City to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Dulles Intl.

Can I find deals for business class flights from Rapid City to Dulles Intl?

Yes. Cheapflights offers flight deals from Rapid City to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$269+ Flights from Rapid City to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Rapid City to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Rapid City to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$269 (United Airlines)
Popular in	November
Cheapest in	April
Average price	$325

Provider with most accurate pricing for Rapid City-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Rapid City-Washington, D.C. Dulles Intl flights.

Search Deals

From Rapid City to Washington, D.C. Dulles Intl

Search Deals

High demand for flights, 9% potential price rise

Search Deals

Best time to find cheap flights, 3% potential price drop

Search Deals

Average for round-trip flights in January 2025

Search Deals

Find flight deals from Rapid City to Dulles Intl

Cheapest flights from Rapid City to Dulles Intl
Explore the most affordable flight options available from Rapid City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.

Sat 2/1510:35 amRAP - IAD

1 stop8h 36mUnited Airlines

Fri 2/215:15 pmIAD - RAP

1 stop7h 00mUnited Airlines

Deal found 1/15

$269

Sat 2/1511:49 amRAP - IAD

2 stops8h 44mDelta

Fri 2/216:05 amIAD - RAP

1 stop6h 59mDelta

Deal found 1/15

$274

Sun 3/1612:25 pmRAP - IAD

1 stop7h 49mAmerican Airlines

Wed 3/196:18 amIAD - RAP

1 stop7h 37mAmerican Airlines

Deal found 1/16

$579

Best flights from Rapid City to Dulles Intl
Discover carefully curated flight deals from Rapid City to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 17, 2025.

Sat 2/1510:35 amRAP - IAD

1 stop8h 36mUnited Airlines

Fri 2/215:15 pmIAD - RAP

1 stop7h 00mUnited Airlines

Deal found 1/15

$269

Sat 2/1511:49 amRAP - IAD

2 stops8h 44mDelta

Fri 2/216:05 amIAD - RAP

1 stop6h 59mDelta

Deal found 1/15

$274

Sun 3/1612:25 pmRAP - IAD

1 stop7h 49mAmerican Airlines

Wed 3/196:18 amIAD - RAP

1 stop7h 37mAmerican Airlines

Deal found 1/16

$579

Last-minute flights from Rapid City to Dulles Intl
Discover last-minute flight deals from Rapid City to Dulles Intl. Data last updated January 17, 2025 and is based on user searches.

Fri 1/1712:27 pmRAP - IAD

1 stop8h 14mAmerican Airlines

Fri 1/246:10 amIAD - RAP

1 stop7h 47mAmerican Airlines

Deal found 1/16

$679

Sat 2/1510:35 amRAP - IAD

1 stop8h 36mUnited Airlines

Fri 2/215:15 pmIAD - RAP

1 stop7h 00mUnited Airlines

Deal found 1/15

$269

Sat 2/1511:49 amRAP - IAD

2 stops8h 44mDelta

Fri 2/216:05 amIAD - RAP

1 stop6h 59mDelta

Deal found 1/15

$274

One-way flights from Rapid City to Dulles Intl
Search for one-way flight options from Rapid City to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated January 17, 2025.

Fri 1/245:24 amRAP - IAD

1 stop8h 50mAmerican Airlines

Deal found 1/16

$400

Fri 1/246:10 pmRAP - IAD

2 stops20h 03mUnited Airlines

Deal found 1/16

$434

Find flights from Rapid City to Dulles Intl within your budget

Fly from

Fly to

Route

Depart

Return

Price

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 2/15

10:35 am-9:11 pm

1 stop8h 36m

Washington, D.C. Dulles Intl

Fri 2/21

5:15 pm-10:15 pm

1 stop7h 00m

$269

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sat 2/15

11:49 am-10:33 pm

2 stops8h 44m

Washington, D.C. Dulles Intl

Fri 2/21

6:05 am-11:04 am

1 stop6h 59m

$274

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Sun 3/16

12:25 pm-10:14 pm

1 stop7h 49m

Washington, D.C. Dulles Intl

Wed 3/19

6:18 am-11:55 am

1 stop7h 37m

$579

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Fri 1/24

5:24 am-4:14 pm

1 stop8h 50m

$400

Rapid CityWashington, D.C.

RAP - IAD

RAPIAD

Rapid City

Fri 1/24

6:10 pm-4:13 pm

2 stops20h 03m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Compare providers for flights from Rapid City to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rapid City to Dulles Intl in January.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
Priceline	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
CheapTicketsDeal	Price Accuracy3 stars	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. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rapid City-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Rapid City-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Rapid City-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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. Dulles Intl Airport 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 Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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.

Travel insights for flights from Rapid City to Dulles Intl

Get recent, data-driven insights about flights from Rapid City to Dulles Intl including ideal travel times, pricing trends, and more.

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 Dulles Intl

Delta

8.0

Very good

8,511 reviews

Reviews

1 / 10

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

Delta

8.0

Very good

8,511 reviews

Delta

8.0

Very good

8,511 reviews

Reviews

1 / 10

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

United Airlines

7.4

Good

8,965 reviews

Delta

8.0

Very good

8,511 reviews

Reviews

1 / 10

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

8,511 reviews

Reviews

1 / 10

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. Dulles Intl?
For a flight from Rapid City to Washington, D.C. Dulles Intl, you will be flying from Rapid City. Rapid City (RAP) is just 9.0 mi from the center of the city. Rapid City is the only Rapid City airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 2 airlines have flights to Washington, D.C. Dulles Intl from Rapid City on a regular basis.
What are the cheapest airlines flying from Rapid City to Washington, D.C. Dulles Intl Airport round-trip?
Our cheapest airline available from Rapid City to Washington, D.C. Dulles Intl Airport is United Airlines. Our recent data shows that you can find tickets from as low as $269 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $274 and $579 round-trip. Users have found that United Airlines is 45% cheaper than the other options available to this destination.
Can I find deals for flights from Rapid City to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Rapid City to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Rapid City to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Dulles Intl.
Can I find deals for business class flights from Rapid City to Dulles Intl?
Yes. Cheapflights offers flight deals from Rapid City to Dulles Intl 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. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Rapid City to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Rapid City to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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

Fairfax

Arlington

Alexandria

Springfield

Silver Spring

Rockville

Tysons

Gaithersburg

Fredericksburg

Linthicum Heights

Laurel

Falls Church

Greenbelt

Sterling

Easton

Oxon Hill

Herndon

Woodbridge

Bowie

Reston

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Rapid City to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$325	Average$561	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$364	Average$575	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$269+ Cheap flights from Rapid City (RAP) to Dulles Intl (IAD)

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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Rapid City to Dulles Intl 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 Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Rapid City to Dulles Intl

Cheapest flights from Rapid City to Dulles IntlExplore the most affordable flight options available from Rapid City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.

Explore the most affordable flight options available from Rapid City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.

Find flights from Rapid City to Dulles Intl within your budget

Compare providers for flights from Rapid City to Dulles Intl

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 Dulles Intl in January.

Best time to book a flight from Rapid City to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Rapid City with our price prediction graph.

Travel insights for flights from Rapid City to Dulles Intl

Get recent, data-driven insights about flights from Rapid City to Dulles Intl including ideal travel times, pricing trends, and more.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Dulles Intl

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Dulles Intl. 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. Dulles Intl?

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

Can I find deals for flights from Rapid City to Dulles Intl that include hotel bookings?

How can I find direct flights from Rapid City to Dulles Intl?

Can I find deals for business class flights from Rapid City to Dulles Intl?

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

Traveling to a place near Rapid City?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Rapid City to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Rapid City to Dulles Intl

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Rapid City to Dulles Intl
Explore the most affordable flight options available from Rapid City to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 17, 2025.