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Cheap Flights from Washington Dulles to Dublin

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Compare Washington Dulles to Dublin flight deals

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

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Flight deals from Washington Dulles to Dublin

Looking for a cheap last-minute deal or the best return flight from Washington Dulles to Dublin? Find the lowest prices on one-way and return tickets right here.
Dublin.R 4,513 per passenger.Departing Tue, 15 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Dulles on Tue, 15 Jul, arriving in Dublin.Price includes taxes and charges.From R 4,513, select.
Dublin.R 4,850 per passenger.Departing Mon, 25 Aug.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 25 Aug, arriving in Dublin.Price includes taxes and charges.From R 4,850, select.
Dublin.R 4,914 per passenger.Departing Mon, 7 Apr.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 7 Apr, arriving in Dublin.Price includes taxes and charges.From R 4,914, select.
Dublin.R 5,055 per passenger.Departing Wed, 28 May.One-way flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departs from Washington Dulles on Wed, 28 May, arriving in Dublin.Price includes taxes and charges.From R 5,055, select.
Dublin.R 5,483 per passenger.Departing Mon, 3 Nov.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 3 Nov, arriving in Dublin.Price includes taxes and charges.From R 5,483, select.
Dublin.R 5,603 per passenger.Departing Mon, 2 Jun.One-way flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departs from Washington Dulles on Mon, 2 Jun, arriving in Dublin.Price includes taxes and charges.From R 5,603, select.
Dublin.R 6,140 per passenger.Departing Wed, 22 Oct.One-way flight with Icelandair.Outbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 22 Oct, arriving in Dublin.Price includes taxes and charges.From R 6,140, select.
Dublin.R 6,662 per passenger.Departing Mon, 31 Mar.One-way flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Washington Dulles on Mon, 31 Mar, arriving in Dublin.Price includes taxes and charges.From R 6,662, select.

Find the cheapest month to fly from Washington Dulles to Dublin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Dublin flights are currently cheapest in July.
Mar
from R 6,662
Apr
from R 4,914
May
from R 5,055
Jun
from R 5,603
Jul
from R 4,513
Aug
from R 4,850
Sep
from R 7,489
Oct
from R 6,140
Nov
from R 5,483
Dec
from R 8,452
Jan
Find prices
Feb
Find prices

Direct flights from Washington Dulles to Dublin

Washington Dulles to Dublin: Alternative routes

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

Washington D.C. to Dublin: Flight information

The things to know before you go.
Cheapest flight foundR 4,513
Cheapest month to flyJuly
Average flight time6 hrs, 58 mins
Most popular airlineAmerican Airlines
Average flights per week78

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

The best price we found for a return flight from Washington Dulles to Dublin is R 9,116. 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.
6 hours and 58 minutes is the average flight time from Washington Dulles to Dublin.
American Airlines, Aer Lingus and British Airways fly direct from Washington Dulles to Dublin.
As of March 2025, there are 78 flights per week flying from Washington Dulles to Dublin.
The cheapest month to fly from Washington Dulles to Dublin is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Dublin Airport on Monday, 12 May 2025.
Yes – the average flight time is 6 hours and 58 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 Dublin 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 Dublin 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 Dublin.

Flying from Washington Dulles International Airport (IAD) to Dublin Airport (DUB): what you need to know

  • 7 hours 5 minutes is the average duration of a direct flight from Washington Dulles International Airport to Dublin Airport. Dublin is 4 hours ahead of Washington DC and operates on the UTC+0 timezone.

  • Every week, there are 28 flights from Washington Dulles International Airport to Dublin Airport. If you want to take off as soon as possible, select the 11:45 Aer Lingus flight. If you'd rather make the most of your day before flying, the last flight from IAD to DUB is 23:05 with United Airlines.

  • Travelling during a peak month such as July? Major public holidays and other popular seasons can lead to longer queues and delays at check-in and security. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

  • United Airlines has direct flights from Washington Dulles International Airport to Dublin Airport. Book with this popular airline, then get ready to discover the sights in Dublin — and maybe even more of Ireland if time allows.

  • If you'd like to have a stopover for your flight from Washington Dulles International Airport to Dublin Airport, simply deselect 'Direct flights only' and look through your options. These are the most popular stopovers between IAD and DUB:

    • Philadelphia International Airport

    • Keflavik International Airport

    • Logan International Airport

  • Before booking your cheap ticket from IAD to DUB, check if you need a visa to enter Ireland. Travel document and visa requirements can differ and are updated frequently. For the most up-to-date information, contact the nearest consulate or embassy of the country you're going to.

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Dublin Airport (DUB)

  • R 4,513 is currently the best price for a one-way ticket from Washington Dulles International Airport to Dublin Airport. A return flight starts from R 9,116. These fares can change based on demand and availability.

  • To pick up cheap tickets from IAD to DUB, book early. Airlines typically offer their most competitively priced fares when flights are first made available.

  • The cheapest month for tickets from Washington Dulles International Airport to Dublin Airport is August. Use the 'Whole month' tool to see the lowest airfares if you have a flexible schedule.

  • Log into your online account or use the app to create a Price Alert. We'll notify you right away if there's a better deal on this route. It's easy to do, and it'll save you from searching for cheap tickets from IAD to DUB every day.

  • Play around with filters to find the best trip for you. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Washington Dulles International Airport to Dublin Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Washington Dulles International Airport (IAD)

Arriving at Dublin Airport (DUB)

Getting from Dublin Airport (DUB) to central Dublin

  • Dublin Airport to the centre of Dublin is about 29 minutes by car. It's approximately 21 kilometres away. Find out what options are available, such as cabs, car rentals or ride-sharing.

  • Travelling to the centre on public transport takes about 2 hours and 9 minutes.

When to fly to Dublin Airport (DUB)

  • The quietest month for a flight from Washington Dulles International Airport to Dublin Airport is February, while August is the busiest. Choose the ideal time to go to Dublin based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • When reserving your flight from Washington Dulles International Airport to Dublin Airport, think about the type of weather you enjoy. July is the warmest month in Dublin, with the temperature ranging from 10ºC to 20ºC.

  • If you want to travel in cooler conditions, search for a cheap ticket from IAD to DUB in January. Average temperatures are between 1ºC and 9ºC then.

More about Dublin

  • Once you've locked in your flights from IAD to DUB, you'll need to find a hotel in Dublin. Make one of these accommodation options your base for exploring this top destination:

  • There are so many things to do and see in this city it can be tricky to work out where to begin. Guinness Storehouse, Trinity College Library and Dublin Castle are top sights which should be on any good Dublin itinerary.

Complete your Dublin trip with hotels and a car rental

  • We don't just compare flights. Once you've secured your cheap ticket to Dublin Airport, explore our car rental offers that'll give you the flexibility and freedom to see the sights at your own pace. Then, take a look at our exclusive rates for hotels to find the ideal Dublin stay.

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

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