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Dulles Intl

$163+ Cheap flights from Roanoke (ROA) to Dulles Intl (IAD)

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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
ROA — IAD
Aug 24 — Aug 311
Sun 8/24
Sun 8/31
1 adult, Economy
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Cheap flight deals from Roanoke to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Roanoke (ROA) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 19, 2025.

Round-trip from

$179
(United Airlines)

One-way from

$163
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$289

Good round-trip deal

$352 or less

Good one-way deal

$218 or less
From Roanoke to Washington, D.C. Dulles Intl
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One-way flight from Roanoke to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 5% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Roanoke to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Roanoke to Washington, D.C. Dulles Intl.
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Find flight deals from Roanoke to Dulles Intl

Cheapest flights from Roanoke to Dulles Intl
Explore the most affordable flight options available from Roanoke to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2025.

This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:35 pmROA - IAD
Nonstop1h 14mUnited Airlines
Sun 9/1412:50 pmIAD - ROA
Nonstop1h 13mUnited Airlines
Deal found 8/17$179
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/37:35 pmROA - IAD
Nonstop1h 14mUnited Airlines
Wed 9/2410:10 pmIAD - ROA
Nonstop1h 14mUnited Airlines
Deal found 8/18$184
This American Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:18 pmROA - IAD
1 stop3h 35mAmerican Airlines
Wed 11/57:55 amIAD - ROA
1 stop4h 07mAmerican Airlines
Deal found 8/17$199
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/58:26 pmROA - IAD
1 stop21h 58mMultiple Airlines
Thu 10/27:14 pmIAD - ROA
1 stop25h 08mMultiple Airlines
Deal found 8/19$205
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/57:35 pmROA - IAD
Nonstop1h 14mUnited Airlines
Thu 10/210:09 pmIAD - ROA
Nonstop1h 15mUnited Airlines
Deal found 8/19$220
This Trip.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:30 pmROA - IAD
Nonstop1h 15mUnited Airlines
Sun 10/2610:11 pmIAD - ROA
Nonstop1h 19mUnited Airlines
Deal found 8/18$238
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:20 amROA - IAD
Nonstop1h 14mUnited Airlines
Thu 9/2512:50 pmIAD - ROA
Nonstop1h 14mUnited Airlines
Deal found 8/19$239
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:01 amROA - IAD
1 stop4h 34mAmerican Airlines
Sun 11/168:09 pmIAD - ROA
1 stop3h 56mAmerican Airlines
Deal found 8/18$244
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:35 pmROA - IAD
Nonstop1h 14mUnited Airlines
Sat 9/610:10 pmIAD - ROA
Nonstop1h 14mUnited Airlines
Deal found 8/18$249
This United Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:50 pmROA - IAD
Nonstop1h 14mUnited Airlines
Tue 12/912:52 pmIAD - ROA
Nonstop1h 17mUnited Airlines
Deal found 8/18$254
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/64:08 pmROA - IAD
1 stop3h 20mAmerican Airlines
Tue 12/95:00 amIAD - ROA
1 stop3h 30mAmerican Airlines
Deal found 8/18$259
This American Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/182:23 pmROA - IAD
1 stop5h 22mAmerican Airlines
Tue 10/218:09 amIAD - ROA
2 stops9h 20mAmerican Airlines
Deal found 8/18$264

Cheapflights Fare Finder

 
Customize your flight search to find flights from Roanoke to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated August 19, 2025.
Use the filters below to find and compare flights from Roanoke to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Roanoke

Fly to

Dulles Intl

Route

Depart

Return

Price

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Tue 11/11

7:50 pm-9:04 pm

Nonstop1h 14m

Washington, D.C. Dulles Intl

Sun 11/16

12:55 pm-2:12 pm

Nonstop1h 17m

$179

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Fri 9/12

7:35 pm-8:49 pm

Nonstop1h 14m

Washington, D.C. Dulles Intl

Sun 9/14

12:50 pm-2:03 pm

Nonstop1h 13m

$179

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Wed 9/3

7:35 pm-8:49 pm

Nonstop1h 14m

Washington, D.C. Dulles Intl

Wed 9/24

10:10 pm-11:24 pm

Nonstop1h 14m

$184

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Mon 10/27

8:18 pm-11:53 pm

1 stop3h 35m

Washington, D.C. Dulles Intl

Wed 11/5

7:55 am-12:02 pm

1 stop4h 07m

$199

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Thu 10/23

7:30 pm-8:45 pm

Nonstop1h 15m

Washington, D.C. Dulles Intl

Sun 10/26

10:11 pm-11:30 pm

Nonstop1h 19m

$238

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Fri 10/24

10:30 am-11:45 am

Nonstop1h 15m

Washington, D.C. Dulles Intl

Sun 10/26

8:30 am-9:47 am

Nonstop1h 17m

$238

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Thu 9/18

6:20 am-7:34 am

Nonstop1h 14m

Washington, D.C. Dulles Intl

Thu 9/25

12:50 pm-2:04 pm

Nonstop1h 14m

$239

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Thu 1/8

8:00 pm-9:07 pm

Nonstop1h 07m

Washington, D.C. Dulles Intl

Wed 1/28

12:35 pm-1:58 pm

Nonstop1h 23m

$239

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Thu 12/4

10:20 am-11:34 am

Nonstop1h 14m

Washington, D.C. Dulles Intl

Sun 12/7

12:52 pm-2:09 pm

Nonstop1h 17m

$239

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Thu 12/4

10:20 am-11:34 am

Nonstop1h 14m

Washington, D.C. Dulles Intl

Tue 12/9

12:52 pm-2:09 pm

Nonstop1h 17m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 19 results
1
2

Best time to book a flight from Roanoke to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Roanoke 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 Roanoke to Washington, D.C. Dulles Intl Airport

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

Currently, July is the cheapest month in which you can book a flight from Roanoke to Washington, D.C. Dulles Intl Airport (average of $303). Flying from Roanoke to Washington, D.C. Dulles Intl Airport 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.

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

Find hourly flight availability from Roanoke to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 19, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 36% on flights from Roanoke to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Roanoke to Dulles Intl. Price data was last updated on August 17, 2025.

Travelers seeking maximum savings on their Roanoke to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated August 19, 2025.
Read reviews from past customers who have flown United Airlines from Roanoke to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,922 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,922 reviews
United Airlines
7.4
Good
8,922 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Roanoke 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 Roanoke to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Roanoke, you will be flying from Roanoke, which is the city’s only airport. Roanoke (ROA) is located 4.2 mi from the center of Roanoke. There are 8 flights from Roanoke to Washington, D.C. Dulles Intl per day from 1 airline.

  • How long is the flight from Roanoke to Washington, D.C. Dulles Intl Airport?

    For as low as $179, United Airlines can have you in Washington, D.C. Dulles Intl Airport from Roanoke in 1h 14m. Roanoke and Washington, D.C. Dulles Intl Airport are separated by a distance of 177 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Roanoke to Washington, D.C. Dulles Intl Airport round-trip?

    Cheapflights users have booked flights from Roanoke to Washington, D.C. Dulles Intl Airport round-trip from $179. You may be able to fly from Roanoke to Washington, D.C. Dulles Intl Airport for 28% less than the average price by searching for this airline.

  • What are the most reliable airlines from Roanoke to Washington, D.C. Dulles Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Roanoke to Washington, D.C. Dulles Intl Airport consider choosing CommutAir (70%), United Airlines (70%) or Avianca (68%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Roanoke to Washington, D.C. Dulles Intl Airport?

    The cheapest flight price from Roanoke to Washington, D.C. Dulles Intl Airport is $154. On average you can expect to pay $769. The most popular route, (Roanoke - Washington, D.C. Dulles Intl), can usually be booked for $179.

  • Can I find deals for flights from Roanoke to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from Roanoke to Dulles Intl?

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

  • Can I find deals for business class flights from Roanoke to Dulles Intl?

    Yes. Cheapflights offers flight deals from Roanoke 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 Roanoke to Washington, D.C. Dulles Intl Airport?

    Currently, July is the cheapest month in which you can book a flight from Roanoke to Washington, D.C. Dulles Intl Airport (average of $303). Flying from Roanoke to Washington, D.C. Dulles Intl Airport 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

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Alternative routes for Roanoke to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Raleigh to Dulles Intl flights
Raleigh to Reagan-National flights
Raleigh to Baltimore flights
Greensboro to Dulles Intl flights
Norfolk to Baltimore flights
Greensboro to Reagan-National flights
Norfolk to Dulles Intl flights
Greensboro to Baltimore flights
Norfolk to Reagan-National flights
Blountville to Dulles Intl flights
Richmond to Dulles Intl flights
Roanoke to Baltimore flights
Blountville to Reagan-National flights
Blountville to Baltimore flights
Richmond to Baltimore flights
Richmond to Reagan-National flights
Roanoke to Reagan-National flights
Charlottesville to Dulles Intl flights
Newport News to Dulles Intl flights
Newport News to Baltimore flights
Newport News to Reagan-National flights
Staunton to Dulles Intl flights

Top airline flying from Roanoke to Dulles Intl

Discover the top airline that operate flights from Roanoke to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$253FlexibilityNo cancel feeOn-time69%

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