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Cheap Flights to Washington Dulles Airport

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Compare Washington Dulles Airport flights across hundreds of providers

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

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Flight deals to Washington Dulles

Looking for a cheap last-minute deal or the best return flight to Washington Dulles? Find the lowest prices on one-way and return tickets right here.
Washington D.C..367 € per passenger.Departing Thu, 3 Apr, returning Mon, 7 Apr.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Dublin on Thu, 3 Apr, arriving in Washington Dulles.Inbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Mon, 7 Apr, arriving in Dublin.Price includes taxes and charges.From 367 €, select.
Washington D.C..373 € per passenger.Departing Fri, 3 Oct, returning Wed, 8 Oct.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Fri, 3 Oct, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 8 Oct, arriving in Dublin.Price includes taxes and charges.From 373 €, select.
Washington D.C..378 € per passenger.Departing Mon, 17 Nov, returning Sun, 23 Nov.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Mon, 17 Nov, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sun, 23 Nov, arriving in Dublin.Price includes taxes and charges.From 378 €, select.
Washington D.C..380 € per passenger.Departing Thu, 27 Mar, returning Tue, 1 Apr.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Thu, 27 Mar, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Tue, 1 Apr, arriving in Dublin.Price includes taxes and charges.From 380 €, select.
Washington D.C..381 € per passenger.Departing Thu, 13 Mar, returning Wed, 26 Mar.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Thu, 13 Mar, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 26 Mar, arriving in Dublin.Price includes taxes and charges.From 381 €, select.
Washington D.C..383 € per passenger.Departing Fri, 16 May, returning Mon, 8 Sep.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Dublin on Fri, 16 May, arriving in Washington Dulles.Inbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Mon, 8 Sep, arriving in Dublin.Price includes taxes and charges.From 383 €, select.
Washington D.C..383 € per passenger.Departing Wed, 27 Aug, returning Fri, 5 Sep.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Wed, 27 Aug, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Fri, 5 Sep, arriving in Dublin.Price includes taxes and charges.From 383 €, select.
Washington D.C..384 € per passenger.Departing Thu, 11 Dec, returning Sun, 14 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Thu, 11 Dec, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sun, 14 Dec, arriving in Dublin.Price includes taxes and charges.From 384 €, select.

Find the cheapest time to fly to Washington Dulles

Flexible on travel dates? Find the cheapest month – or even day – to fly to Washington Dulles.
Feb
Find prices
Mar
from 381 €
Apr
from 367 €
May
from 390 €
Jun
from 431 €
Jul
from 569 €
Aug
from 511 €
Sep
from 390 €
Oct
from 373 €
Nov
from 378 €
Dec
from 384 €
Jan
from 505 €

Airports near Washington D.C.

Looking for an alternative route to Washington D.C.? There are 4 more airports nearby. Compare them below to find the cheapest or fastest.

Direct flights to Washington Dulles

Frequently asked questions

The average flight time to Washington Dulles is 8 hours and 7 minutes. We've calculated this based on journeys from Dublin.
Aer Lingus, American Airlines, British Airways, Air Canada, United, Lufthansa and SWISS all fly direct to Washington Dulles.
The cheapest month to fly to Washington Dulles is usually April.
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.
Yes – the average flight time is 8 hours and 7 minutes.
The best price we found for a return flight to Washington Dulles is 367 €. 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.
We found flights to Baltimore Washington International Airport, which is 43.6 km from Washington D.C., from 259 €.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Washington Dulles Airport is Thursday, 3 April 2025.
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, Scandinavian Airlines and Aer Lingus offer the cheapest flight tickets to Washington Dulles.

Flying to Washington Dulles

The things to know before you go.
Cheapest flight found367 €
Cheapest month to flyApril
Average flight time8 hrs, 7 mins
Most popular airlineAer Lingus
Average flights per week72

Discover Washington Dulles

How to find cheap flights to Washington Dulles airport (IAD) in 2025

Looking for cheap tickets to Washington Dulles airport? Return tickets to Washington Dulles start from 367 € and one-way flights to Washington Dulles start from 252 €.

Here are a few tips on how to score the best price and make your journey as smooth as possible

  • Simply hit 'search'. We've compared plane tickets from all major online travel agents and airlines flying to Washington Dulles airport to find the cheapest flights. And with us there are no hidden charges - what you see is what you pay.
  • Look for direct flights. Only interested in direct flights to Washington Dulles airport? Make sure to tick 'Direct flights only' when performing a search. If there are direct IAD flights available, these will appear in the results. Airlines that fly direct to Washington D.C.: Aer Lingus
    American Airlines
    British Airways
    Air Canada
    United
    Lufthansa
    SWISS
  • Depart from Ireland. Look out for flights from Ireland, this is the cheapest location to depart from when flying to Washington Dulles airport.
  • Compare flight deals to Washington Dulles airport from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Washington D.C. start from 252 € one-way.
  • Flex your dates to secure the best fare for your Washington Dulles airport flight. If your travel dates are flexible, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Washington Dulles airport from your chosen departure location.
  • Set up a Price Alert. You can easily track the price of your flights to Washington Dulles airport by creating an alert. Whenever prices go down or up, you'll get a push notification or e-mail to help you get the best flight deal.
  • Find the cheapest Business class flights to Washington Dulles airport. We scour the internet for the best Business, Premium Economy and First Class flight fares to Washington D.C., too. Check the difference in price as you search – you might just chance upon a last-minute low fare.
  • Include nearby airports in your search. Widen your search for Washington Dulles airport flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
  • Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets to Washington Dulles airport whenever you want.

Compare Washington Dulles airport plane tickets with other destinations using the everywhere search

Not entirely set on flying to Washington Dulles airport yet? You can easily browse other destinations by searching flights to 'Everywhere' - this will allow you to find the cheapest place to travel from your departure location.

Combine your cheap flight to Washington Dulles airport with hotels and car hire

Once you've secured your ticket to Washington Dulles airport, discover the best prices and exclusive rates for hotels in, or close to, Washington Dulles airport. You can also compare hundreds of car hire companies in one go so that you get the best car hire deals for your trip.


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Washington Dulles arrivals and departures

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