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Dulles Intl

$174+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
ROA — IAD
Aug 5 — Aug 121
Wed 8/5
Wed 8/12
1 adult, Economy
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Cheap 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 July 6, 2026.

This United Airlines deal was found by Cheapflights users on 7/5. 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.
Sun 8/26:15 am
ROA
-
IAD
Nonstop1h 16m
United Airlines
Sat 8/88:30 am
IAD
-
ROA
Nonstop1h 12m
United Airlines
Deal found 7/5$239
This United Airlines deal was found by Cheapflights users on 7/4. 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 10/86:15 am
ROA
-
IAD
Nonstop1h 14m
United Airlines
Tue 10/1310:30 pm
IAD
-
ROA
Nonstop1h 14m
United Airlines
Deal found 7/4$251
This United Airlines deal was found by Cheapflights users on 7/3. 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 7/216:15 am
ROA
-
IAD
Nonstop1h 16m
United Airlines
Sat 7/258:30 am
IAD
-
ROA
Nonstop1h 12m
United Airlines
Deal found 7/3$254
This American Airlines deal was found by Cheapflights users on 7/6. 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.
Wed 8/52:23 pm
ROA
-
IAD
1 stop6h 33m
American Airlines
Wed 8/126:10 am
IAD
-
ROA
1 stop3h 52m
American Airlines
Deal found 7/6$259
This United Airlines deal was found by Cheapflights users on 7/1. 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 7/1610:30 am
ROA
-
IAD
Nonstop1h 16m
United Airlines
Mon 7/2012:40 pm
IAD
-
ROA
Nonstop1h 15m
United Airlines
Deal found 7/1$269
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 7/177:53 pm
ROA
-
IAD
1 stop4h 17m
American Airlines
Fri 7/248:22 pm
IAD
-
ROA
1 stop3h 37m
American Airlines
Deal found 7/2$274
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 7/177:53 pm
ROA
-
IAD
1 stop4h 17m
American Airlines
Tue 7/215:03 am
IAD
-
ROA
1 stop5h 37m
American Airlines
Deal found 7/2$289
This United Airlines deal was found by Cheapflights users on 7/5. 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 8/263:00 pm
ROA
-
IAD
Nonstop1h 14m
United Airlines
Sun 8/308:33 am
IAD
-
ROA
Nonstop1h 14m
United Airlines
Deal found 7/5$309
This United Airlines deal was found by Cheapflights users on 7/6. 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 7/306:15 am
ROA
-
IAD
Nonstop1h 16m
United Airlines
Sun 8/210:30 pm
IAD
-
ROA
Nonstop1h 14m
United Airlines
Deal found 7/6$311
This American Airlines deal was found by Cheapflights users on 7/1. 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 7/207:53 pm
ROA
-
IAD
1 stop4h 17m
American Airlines
Mon 7/278:22 pm
IAD
-
ROA
1 stop3h 37m
American Airlines
Deal found 7/1$318
This United Airlines deal was found by Cheapflights users on 7/3. 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 7/206:15 am
ROA
-
IAD
Nonstop1h 16m
United Airlines
Mon 7/2710:30 pm
IAD
-
ROA
Nonstop1h 14m
United Airlines
Deal found 7/3$324

Find 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 July 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(United Airlines)

One-way from

$174
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$319

Good round-trip deal

$436 or less

Good one-way deal

$317 or less
Provider with most accurate pricing for Roanoke-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Roanoke-Washington, D.C. Dulles Intl flights.
Search Deals
From Roanoke to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Roanoke to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Roanoke to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Roanoke to Washington, D.C. Dulles Intl.
Search Deals

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 July 6, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Sun 8/2

6:15 am-7:31 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Sat 8/8

8:30 am-9:42 am

Nonstop1h 12m

$239

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Thu 10/8

6:15 am-7:29 am

Nonstop1h 14m

Washington, D.C. Dulles Intl

Mon 10/12

8:33 am-9:48 am

Nonstop1h 15m

$239

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Mon 7/20

2:30 pm-3:45 pm

Nonstop1h 15m

Washington, D.C. Dulles Intl

Mon 7/27

10:30 pm-11:44 pm

Nonstop1h 14m

$254

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Tue 7/21

6:15 am-7:31 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Sat 7/25

8:30 am-9:42 am

Nonstop1h 12m

$254

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Thu 7/16

6:15 am-7:31 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Sun 7/19

10:30 pm-11:44 pm

Nonstop1h 14m

$269

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Wed 8/26

3:00 pm-4:14 pm

Nonstop1h 14m

Washington, D.C. Dulles Intl

Sun 8/30

8:33 am-9:47 am

Nonstop1h 14m

$309

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Sun 7/26

7:53 pm-12:10 am

1 stop4h 17m

Washington, D.C. Dulles Intl

Wed 7/29

8:22 pm-11:59 pm

1 stop3h 37m

$347

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Sat 7/18

10:47 am-9:23 am

1 stop22h 36m

Washington, D.C. Dulles Intl

Sun 7/19

12:40 pm-1:55 pm

Nonstop1h 15m

$399
Quickest round-trip

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Thu 11/19

8:00 pm-9:07 pm

Nonstop1h 07m

Washington, D.C. Dulles Intl

Thu 11/19

10:20 pm-11:23 pm

Nonstop1h 03m

$462

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Sun 7/26

2:30 pm-3:45 pm

Nonstop1h 15m

Washington, D.C. Dulles Intl

Wed 7/29

8:30 am-9:42 am

Nonstop1h 12m

$467

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 22 resultsSorted by cheapest first
1
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3

Compare providers for flights from Roanoke 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 Roanoke to Dulles Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 Roanoke-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Roanoke-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Roanoke-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 Roanoke-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Roanoke-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 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, September is the cheapest month in which you can book a flight from Roanoke to Washington, D.C. Dulles Intl Airport (average of $239). Flying from Roanoke to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $569). 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 July 6, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 43% 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 July 4, 2026.

Travelers seeking maximum savings on their Roanoke to Washington, D.C. Dulles Intl Airport flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday afternoons 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 July 6, 2026.
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
9,938 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,938 reviews
United Airlines
7.4
Good
9,938 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $239, United Airlines can have you in Washington, D.C. Dulles Intl Airport from Roanoke in 1h 16m. Roanoke and Washington, D.C. Dulles Intl Airport are separated by a distance of 177 mi. Most flights are nonstop.

  • 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 44% 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 ANA (100%), GoJet (92%) or United Airlines (84%) 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 $258. On average you can expect to pay $555. The most popular route, (Roanoke - Washington, D.C. Dulles Intl), can usually be booked for $239.

  • 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, September is the cheapest month in which you can book a flight from Roanoke to Washington, D.C. Dulles Intl Airport (average of $239). Flying from Roanoke to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $569). 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
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Fredericksburg
Hanover
Chantilly
Manassas
Silver Spring
Laurel
Clinton
Hunt Valley
Cordova

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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 July 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$284FlexibilityNo cancel feeOn-time69%

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