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Cheap Flights from Roanoke (ROA) to Washington Dulles (IAD)

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Flight deals from Roanoke Airport to Washington Dulles Airport

Looking for a cheap last-minute deal or the best return flight from Roanoke Airport to Washington Dulles Airport? If you want to travel next month, return fares start from £164. Find the lowest prices on one-way and return tickets right here.
Washington D.C..£132 per passenger.Departing Thu, 3 Sep, returning Tue, 6 Oct.Return flight with United.Outbound direct flight with United departs from Roanoke on Thu, 3 Sep, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 6 Oct, arriving in Roanoke.Price includes taxes and charges.From £132, select.
Washington D.C..£132 per passenger.Departing Thu, 23 Apr, returning Tue, 5 May.Return flight with United.Outbound direct flight with United departs from Roanoke on Thu, 23 Apr, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 5 May, arriving in Roanoke.Price includes taxes and charges.From £132, select.
Washington D.C..£149 per passenger.Departing Sat, 20 Jun, returning Mon, 6 Jul.Return flight with United.Outbound direct flight with United departs from Roanoke on Sat, 20 Jun, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 6 Jul, arriving in Roanoke.Price includes taxes and charges.From £149, select.
Washington D.C..£155 per passenger.Departing Fri, 20 Mar, returning Sun, 22 Mar.Return flight with United.Outbound direct flight with United departs from Roanoke on Fri, 20 Mar, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 22 Mar, arriving in Roanoke.Price includes taxes and charges.From £155, select.
Washington D.C..£164 per passenger.Departing Mon, 13 Apr, returning Mon, 20 Apr.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Roanoke on Mon, 13 Apr, arriving in Washington Dulles.Inbound indirect flight with American Airlines, departs from Washington Dulles on Mon, 20 Apr, arriving in Roanoke.Price includes taxes and charges.From £164, select.
Washington D.C..£230 per passenger.Departing Sun, 17 May, returning Tue, 26 May.Return flight with United.Outbound direct flight with United departs from Roanoke on Sun, 17 May, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 26 May, arriving in Roanoke.Price includes taxes and charges.From £230, select.
Washington D.C..£370 per passenger.Departing Tue, 2 Jun, returning Wed, 3 Jun.Return flight with United.Outbound direct flight with United departs from Roanoke on Tue, 2 Jun, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Wed, 3 Jun, arriving in Roanoke.Price includes taxes and charges.From £370, select.
Washington D.C..£378 per passenger.Departing Thu, 9 Apr, returning Thu, 16 Apr.Return flight with United.Outbound direct flight with United departs from Roanoke on Thu, 9 Apr, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Thu, 16 Apr, arriving in Roanoke.Price includes taxes and charges.From £378, select.

Find the cheapest month to fly from Roanoke to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Roanoke to Washington Dulles flights are currently cheapest in March.
Mar
from £155
Apr
from £164
May
from £230
Jun
from £370
Jul
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Aug
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Sep
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Oct
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Nov
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Dec
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Jan
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Feb
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Direct flights from Roanoke to Washington Dulles

Roanoke to Washington Dulles: Alternative routes

Compare routes from Roanoke to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

Washington Ronald Reagan

3 miles from central Washington D.C.
Closest
from £1,069
Search flights

Camp Springs Andrews AFB

11 miles from central Washington D.C.
Search flights

Washington Dulles

23 miles from central Washington D.C.
Cheapest
from £132
Search flights

Baltimore Washington International

27 miles from central Washington D.C.
from £415
Search flights

Manassas

29 miles from central Washington D.C.
Search flights

Roanoke to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found£132
Cheapest month to flySeptember
Average flight time1 hr, 15 mins
Most popular airlineUnited
Average flights per week106

Finding cheap flights from Roanoke to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Roanoke to Washington Dulles is £132. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 15 minutes is the average flight time from Roanoke to Washington Dulles.
United, CommutAir and Air Canada fly direct from Roanoke to Washington Dulles.
As of March 2026, there are 106 flights per week flying from Roanoke to Washington Dulles.
The cheapest month to fly from Roanoke to Washington Dulles is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Roanoke Airport to Washington Dulles Airport on Thursday, 3 September 2026.
Yes – the average flight time is 1 hour and 15 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Washington Dulles.

Flying from Roanoke-Blacksburg Regional Airport (ROA) to Washington Dulles International Airport (IAD): what you need to know

  • The average length of a direct flight from Roanoke-Blacksburg Regional Airport to Washington Dulles International Airport is 1 hour 10 minutes.

  • Washington DC's timezone is UTC-4, which is the same as Roanoke.

  • Each week, there are 32 Roanoke-Blacksburg Regional Airport to Washington Dulles International Airport flights. If you want to get going as early as possible, go for the 06:10 United Airlines flight. If you'd rather make the most of your day before you fly, the last departure is at 20:00 with United Airlines.

  • Leave enough time to catch your ROA to IAD flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like August, you'll want to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for international flights when you fly during peak periods in general.

  • United Airlines is your ticket to exploring Washington DC (and perhaps some other great parts of United States!). Check out the direct flights from Roanoke-Blacksburg Regional Airport to Washington Dulles International Airport offered by this airline.

  • United Airlines has the highest passenger demand on this route.

  • Among carriers operating ROA to IAD flights, United Airlines is the most consistent for on-time landings.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Roanoke-Blacksburg Regional Airport to Washington Dulles International Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to visit the city of your choice. Some great stopovers between ROA and IAD include:

    • Charlotte Douglas International Airport

    • LaGuardia Airport

    • Hartsfield-Jackson Atlanta International Airport

How to find the cheapest flights from Roanoke-Blacksburg Regional Airport (ROA) to Washington Dulles International Airport (IAD)

  • £114 is currently the best price for a one-way Roanoke-Blacksburg Regional Airport to Washington Dulles International Airport flight. Return flights start at £132. These prices may change depending on availability and demand.

  • To secure cheap tickets from ROA to IAD, book your trip seven months before your planned departure.

  • The cheapest month for flights from Roanoke-Blacksburg Regional Airport to Washington Dulles International Airport is June. Use the 'Whole month' tool to find the lowest airfares if you have flexible travel dates.

  • Save time looking for cheap flights from ROA to IAD by setting up a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

  • Find the right flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Roanoke-Blacksburg Regional Airport to Washington Dulles International Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about Roanoke-Blacksburg Regional Airport (ROA)

  • You'll find ROA at 5202 Aviation Drive, N.W..

  • Of all flights departing from Roanoke-Blacksburg Regional Airport, 68.76% land on schedule at their destination.

  • To reach Roanoke-Blacksburg Regional Airport from central Roanoke, it'll take around 10 minutes if you're travelling by car. This depends on traffic, however. It's approximately 5 miles from the airport to the city centre.

  • Expect a trip time of around 35 minutes when using public transport.

  • Catching an early flight from Roanoke-Blacksburg Regional Airport to Washington Dulles International Airport? Avoid the stress of rushing to the terminal (and enjoy a little extra shut-eye) by picking one of these hotels close to ROA:

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • You'll find IAD at 1 Saarinen Circle.

  • Washington Dulles International Airport to central Washington DC has a drive time of about 50 minutes. It's approximately 35 miles away.

  • It typically takes 3 hours 25 minutes if you're using public transport.

When to fly to Washington Dulles International Airport (IAD)

  • It's time to plan your trip dates for your flight from Roanoke-Blacksburg Regional Airport to Washington Dulles International Airport. April is the most popular month to head to Washington DC. If you want a more low-key vibe, go in January.

  • When reserving your flight from Roanoke-Blacksburg Regional Airport to Washington Dulles International Airport, think about the kind of weather you enjoy. July is the warmest month in Washington DC, with temperatures ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • Search for cheap tickets from ROA to IAD in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

Explore more of United States

  • You've visited Washington DC, now it's time to discover more of United States. Travel about 200 miles north-east to New York to tick off its must-visit sights. From Statue of Liberty to Central Park and Empire State Building, you'll have a full itinerary ahead.

  • If you're looking to explore another major stop in United States, consider Philadelphia, about 120 miles north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are among its highlights.

Plan the rest of your trip from Roanoke to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.