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Dulles Intl

$95+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
ROA — IAD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$179
(United Airlines)

One-way from

$95
(American Airlines)

Popular in

May

Cheapest in

February

Average price

$204

Good round-trip deal

$404 or less

Good one-way deal

$268 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. 2% potential increase in price ($7 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 June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 7/33:00 pmROA - IAD
Nonstop1h 11mUnited Airlines
Sun 7/610:07 pmIAD - ROA
Nonstop1h 08mUnited Airlines
Deal found 6/10$179
This American Airlines deal was found by Cheapflights users on 6/11. 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 6/178:11 pmROA - IAD
1 stop3h 48mAmerican Airlines
Tue 9/97:21 pmIAD - ROA
1 stop3h 47mAmerican Airlines
Deal found 6/11$199
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/109:27 amROA - IAD
2 stops23h 56mAllegiant Air
Sun 7/2011:58 amIAD - ROA
2 stops26h 34mAllegiant Air
Deal found 6/11$313
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/109:27 amROA - IAD
2 stops23h 56mMultiple Airlines
Sun 7/2012:55 pmIAD - ROA
3 stops25h 37mMultiple Airlines
Deal found 6/11$346

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 June 12, 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

Thu 7/3

3:00 pm-4:11 pm

Nonstop1h 11m

Washington, D.C. Dulles Intl

Sun 7/6

10:07 pm-11:15 pm

Nonstop1h 08m

$179

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Tue 6/17

8:11 pm-11:59 pm

1 stop3h 48m

Washington, D.C. Dulles Intl

Tue 9/9

7:21 pm-11:08 pm

1 stop3h 47m

$199

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Thu 7/10

9:27 am-9:23 am

2 stops23h 56m

Washington, D.C. Dulles Intl

Sun 7/20

11:58 am-2:32 pm

2 stops26h 34m

$313

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Thu 7/10

9:27 am-9:23 am

2 stops23h 56m

Washington, D.C. Dulles Intl

Sun 7/20

12:55 pm-2:32 pm

3 stops25h 37m

$346

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Tue 6/17

8:11 pm-11:59 pm

1 stop3h 48m

$95

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Thu 7/10

9:27 am-9:23 am

2 stops23h 56m

$132

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Thu 7/10

9:27 am-11:20 am

3 stops25h 53m

$195

RoanokeWashington, D.C.

ROA - IAD

ROAIAD

Roanoke

Thu 7/10

7:50 pm-8:59 pm

Nonstop1h 09m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, August is the cheapest month in which you can book a flight from Roanoke to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Roanoke to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 June 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 41% 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 June 8, 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. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Roanoke to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Roanoke to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from ROA to IAD are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Dulles Intl by month

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

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

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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and Allegiant Air from Roanoke to Washington, D.C. to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 10 flights from Roanoke to Washington, D.C. Dulles Intl per day from 1 airline.

  • What are the cheapest airlines flying 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. Other airlines that can offer you cheap pricing are American Airlines, from $189, and Allegiant Air, from $313. You may be able to fly from Roanoke to Washington, D.C. Dulles Intl Airport for 24% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Roanoke to Washington, D.C. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as $95 on American Airlines. Other airlines that offer cheap prices include Allegiant Air from $132 and United Airlines from $219 one-way.

  • 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 Avianca (88%), CommutAir (88%) or United Airlines (88%) 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 $155. On average you can expect to pay $1,840. 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, August is the cheapest month in which you can book a flight from Roanoke to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Roanoke to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 Roanoke?

Book flights to Roanoke if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Sterling
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas

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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.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$169Average$253FlexibilityNo cancel feeOn-time69%

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