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Cheap Flights from Roanoke (ROA) to Washington D.C. (IAD)

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      Travellers and cabin class, 1 Adult, Economy
      United
      Lufthansa
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      Brussels Airlines
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      Compare Roanoke to Washington Dulles flight deals

      Find the cheapest month or even day of the year to fly to Washington Dulles

      Book the best Washington Dulles fare with no extra fees

      Flight deals from Roanoke to Washington Dulles

      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 $347. Find the lowest prices on one-way and return tickets right here.
      Washington D.C..$347 per passenger.Departing Thu, 1 Oct, returning Mon, 5 Oct.Return flight with United.Outbound direct flight with United departs from Roanoke on Thu, 1 Oct, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 5 Oct, arriving in Roanoke.Price includes taxes and charges.From $347, select.
      Washington D.C..$347 per passenger.Departing Wed, 9 Sep, returning Fri, 18 Sep.Return flight with United.Outbound direct flight with United departs from Roanoke on Wed, 9 Sep, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Fri, 18 Sep, arriving in Roanoke.Price includes taxes and charges.From $347, select.
      Washington D.C..$350 per passenger.Departing Fri, 25 Dec, returning Fri, 1 Jan.Return flight with United.Outbound direct flight with United departs from Roanoke on Fri, 25 Dec, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Fri, 1 Jan, arriving in Roanoke.Price includes taxes and charges.From $350, select.
      Washington D.C..$350 per passenger.Departing Wed, 18 Nov, returning Sun, 22 Nov.Return flight with United.Outbound direct flight with United departs from Roanoke on Wed, 18 Nov, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 22 Nov, arriving in Roanoke.Price includes taxes and charges.From $350, select.
      Washington D.C..$350 per passenger.Departing Wed, 25 Nov, returning Wed, 2 Dec.Return flight with United.Outbound direct flight with United departs from Roanoke on Wed, 25 Nov, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Wed, 2 Dec, arriving in Roanoke.Price includes taxes and charges.From $350, select.
      Washington D.C..$350 per passenger.Departing Mon, 4 Jan, returning Mon, 11 Jan.Return flight with United.Outbound direct flight with United departs from Roanoke on Mon, 4 Jan, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 11 Jan, arriving in Roanoke.Price includes taxes and charges.From $350, select.
      Washington D.C..$350 per passenger.Departing Tue, 22 Dec, returning Tue, 29 Dec.Return flight with United.Outbound direct flight with United departs from Roanoke on Tue, 22 Dec, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Tue, 29 Dec, arriving in Roanoke.Price includes taxes and charges.From $350, select.
      Washington D.C..$389 per passenger.Departing Sun, 30 Aug, returning Sun, 20 Sep.Return flight with United.Outbound direct flight with United departs from Roanoke on Sun, 30 Aug, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 20 Sep, arriving in Roanoke.Price includes taxes and charges.From $389, select.
      Washington D.C..$431 per passenger.Departing Fri, 28 Aug, returning Mon, 31 Aug.Return flight with United.Outbound direct flight with United departs from Roanoke on Fri, 28 Aug, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 31 Aug, arriving in Roanoke.Price includes taxes and charges.From $431, select.
      Washington D.C..$446 per passenger.Departing Wed, 17 Feb, returning Wed, 24 Feb.Return flight with United.Outbound direct flight with United departs from Roanoke on Wed, 17 Feb, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Wed, 24 Feb, arriving in Roanoke.Price includes taxes and charges.From $446, 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 September.
      Aug
      from $431
      Sep
      from $347
      Oct
      from $347
      Nov
      from $350
      Dec
      from $350
      Jan
      from $350
      Feb
      from $446
      Mar
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      Apr
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      May
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      Jun
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      Jul
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      Direct flights from Roanoke to Washington Dulles

      Air Canada
      ANA (All Nippon Airways)
      Avianca
      Brussels Airlines
      Lufthansa
      United

      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

      5km from central Washington D.C.
      Closest
      from $1,989
      Search flights

      Washington Dulles

      37km from central Washington D.C.
      Cheapest
      from $347
      Search flights

      Baltimore Washington International

      44km from central Washington D.C.
      from $2,099
      Search flights

      Roanoke to Washington D.C.: Flight information

      The things to know before you go.
      Cheapest flight found$347
      Cheapest month to flyOctober
      Average flight time1 hr, 14 mins
      Most popular airlineUnited
      Average flights per week78

      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 $347. 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 14 minutes is the average flight time from Roanoke to Washington Dulles.
      United, Lufthansa and Air Canada fly direct from Roanoke to Washington Dulles.
      As of August 2026, there are 78 flights per week flying from Roanoke to Washington Dulles.
      The cheapest month to fly from Roanoke to Washington Dulles is usually October.
      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, 1 October 2026.
      Yes – the average flight time is 1 hour and 14 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.

      Travelling from Roanoke Airport (ROA) to Washington Dulles Airport (IAD): what you need to know

      • The average length of a direct flight from Roanoke Airport to Washington Dulles Airport is 1 hour 15 minutes.

      • Roanoke and Washington DC share the UTC-5 timezone. This means you won't need to account for any time differences.

      • Each week, there are 21 Roanoke Airport to Washington Dulles Airport flights. If you'd like to jet off as soon as possible, jump on the 06:00 United Airlines flight. If you'd rather make the most of your time before flying, the last flight is at 20:00 with United Airlines.

      • To ensure you get on your ROA to IAD flight, allow plenty of time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the general rule.

      • During popular months such as October, it's a good idea to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of an international flight when you travel during a peak period in general.

      • Jetting into Washington DC (and then seeing more of the United States!) is a cinch with United. This popular carrier offers direct flights from Roanoke Airport to Washington Dulles Airport.

      • Most travellers choose to fly with United on this route.

      • With a reliable 80.32% of services landing on schedule, United is the most punctual carrier for ROA to IAD flights.

      • Think about adding a stopover when booking your ticket from Roanoke Airport to Washington Dulles Airport. Just deselect 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Here are some options between ROA and IAD:

        • Atlanta Hartsfield-Jackson Airport

        • Charlotte Douglas Airport

        • New York LaGuardia Airport

      How to find the cheapest flights from Roanoke Airport (ROA) to Washington Dulles Airport (IAD)

      • $249 is the best price for a one-way Roanoke Airport to Washington Dulles Airport flight. Return flights start at $347. These fares may change depending on availability and demand.

      • Score cheap tickets from ROA to IAD by booking at least two months ahead. Based on our research, that's the sweet spot for finding a bargain.

      • The cheapest month for flights from Roanoke Airport to Washington Dulles Airport is July. Use the 'Whole month' tool to see the lowest prices if you have a flexible schedule.

      • Spend less time searching for cheap flights from ROA to IAD by creating a Price Alert. You'll receive an email or notification through the app when a special offer becomes available.

      • Tailor your trip using filters. Choose your departure and arrival times, total journey duration and airlines. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Roanoke Airport to Washington Dulles Airport.

      Handy information about Roanoke Airport (ROA)

      • The address for ROA is 5202 Aviation Drive, N.W..

      • When it comes to the on-time performance of Roanoke Airport, data shows 72% of flights complete their journey on time.

      • To get to Roanoke Airport from central Roanoke, it'll take around 15 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 11 kilometres from the airport to the city centre.

      • Expect a trip time of around 30 minutes on public transport.

      • Have an early flight from Roanoke Airport to Washington Dulles Airport? Avoid rushing to the terminal (and sneak in some extra snooze time) by choosing one of these hotels near ROA:

      Arriving at Washington Dulles Airport (IAD)

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

      • The address for IAD is 1 Saarinen Circle.

      • Washington Dulles Airport to central Washington DC has a drive time of around 45 minutes. It's approximately 40 kilometres away.

      • Getting there by public transport takes roughly 1 hour 10 minutes.

      When to fly to Washington Dulles Airport (IAD)

      • July is the most popular month for flights from Roanoke Airport to Washington Dulles Airport. To avoid the crowds, travel to Washington DC in February.

      • When reserving your flight from Roanoke Airport to Washington Dulles Airport, consider the kind of weather you enjoy. July is the warmest month in Washington DC, with the temperature ranging from 19ºC (66ºF) to 33ºC (91ºF).

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

      Explore more of the United States

      • You've done Washington DC, now it's time to explore more of the United States. Travel about 322 kilometres north-east to New York to check off its popular sights. From Central Park to Statue of Liberty and Metropolitan Museum of Art, you'll have a packed itinerary ahead.

      • If you're looking to explore another great destination in the United States, head for Philadelphia, about 193 kilometres north-east of Washington DC. Independence Hall, Liberty Bell and Philadelphia Museum of Art are key highlights.

      Plan smart, explore more

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      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 12 days.