413 € Dublin (DUB) to Washington Dulles (IAD) Cheap Flights

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Flight deals from Dublin to Washington Dulles

Looking for a cheap last-minute deal or the best return flight from Dublin Airport to Washington Dulles Airport? If you want to travel next month, return fares start from 479 €. Find the lowest prices on one-way and return tickets right here.

Washington D.C..413 € per passenger.Departing Thu, 27 Aug, returning Sun, 30 Aug.Return flight with WestJet and Icelandair.Outbound indirect flight with WestJet, departs from Dublin on Thu, 27 Aug, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sun, 30 Aug, arriving in Dublin.Price includes taxes and charges.From 413 €, select.

Washington D.C..446 € per passenger.Departing Sat, 14 Nov, returning Thu, 26 Nov.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Sat, 14 Nov, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Thu, 26 Nov, arriving in Dublin.Price includes taxes and charges.From 446 €, select.

Washington D.C..447 € per passenger.Departing Sat, 5 Dec, returning Sat, 12 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Sat, 5 Dec, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sat, 12 Dec, arriving in Dublin.Price includes taxes and charges.From 447 €, select.

Washington D.C..448 € per passenger.Departing Tue, 24 Nov, returning Tue, 1 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Tue, 24 Nov, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Tue, 1 Dec, arriving in Dublin.Price includes taxes and charges.From 448 €, select.

Washington D.C..450 € per passenger.Departing Mon, 25 Jan, returning Mon, 1 Feb.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Mon, 25 Jan, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 1 Feb, arriving in Dublin.Price includes taxes and charges.From 450 €, select.

Washington D.C..454 € per passenger.Departing Fri, 16 Oct, returning Sun, 1 Nov.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Fri, 16 Oct, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sun, 1 Nov, arriving in Dublin.Price includes taxes and charges.From 454 €, select.

Washington D.C..460 € per passenger.Departing Wed, 7 Oct, returning Mon, 19 Oct.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Wed, 7 Oct, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 19 Oct, arriving in Dublin.Price includes taxes and charges.From 460 €, select.

Washington D.C..461 € per passenger.Departing Wed, 17 Mar, returning Sun, 21 Mar.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Wed, 17 Mar, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sun, 21 Mar, arriving in Dublin.Price includes taxes and charges.From 461 €, select.

Washington D.C..467 € per passenger.Departing Thu, 6 Aug, returning Sat, 12 Dec.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Thu, 6 Aug, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sat, 12 Dec, arriving in Dublin.Price includes taxes and charges.From 467 €, select.

Washington D.C..468 € per passenger.Departing Tue, 22 Sep, returning Wed, 30 Sep.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Tue, 22 Sep, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 30 Sep, arriving in Dublin.Price includes taxes and charges.From 468 €, select.

Washington D.C..469 € per passenger.Departing Tue, 29 Sep, returning Sat, 3 Oct.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Tue, 29 Sep, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sat, 3 Oct, arriving in Dublin.Price includes taxes and charges.From 469 €, select.

Washington D.C..472 € per passenger.Departing Sat, 29 Aug, returning Mon, 14 Sep.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Sat, 29 Aug, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 14 Sep, arriving in Dublin.Price includes taxes and charges.From 472 €, select.

Washington D.C..472 € per passenger.Departing Fri, 12 Feb, returning Fri, 26 Feb.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Fri, 12 Feb, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Fri, 26 Feb, arriving in Dublin.Price includes taxes and charges.From 472 €, select.

Washington D.C..479 € per passenger.Departing Fri, 3 Jul, returning Mon, 13 Jul.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Fri, 3 Jul, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 13 Jul, arriving in Dublin.Price includes taxes and charges.From 479 €, select.

Washington D.C..479 € per passenger.Departing Thu, 16 Jul, returning Sat, 1 Aug.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Thu, 16 Jul, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sat, 1 Aug, arriving in Dublin.Price includes taxes and charges.From 479 €, select.

Washington D.C..484 € per passenger.Departing Thu, 14 Jan, returning Sun, 24 Jan.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from Dublin on Thu, 14 Jan, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sun, 24 Jan, arriving in Dublin.Price includes taxes and charges.From 484 €, select.

Find the cheapest month to fly from Dublin to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to Washington Dulles flights are currently cheapest in August.

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Direct flights from Dublin to Washington Dulles

Dublin to Washington Dulles: Alternative routes

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

Dublin to Washington D.C.: Flight information

The things to know before you go.

Cheapest flight found	413 €
Cheapest month to fly	August
Average flight time	8 hrs, 7 mins
Most popular airline	Lufthansa
Average flights per week	95

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

How much are return flights from Dublin to Washington Dulles?

The best price we found for a return flight from Dublin to Washington Dulles is 413 €. 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.

How long does it take to fly from Dublin to Washington Dulles?

8 hours and 7 minutes is the average flight time from Dublin to Washington Dulles.

Which airlines fly direct from Dublin to Washington Dulles?

Lufthansa, Aer Lingus and American Airlines fly direct from Dublin to Washington Dulles.

How many flights are there a week from Dublin to Washington Dulles?

As of June 2026, there are 99 flights per week flying from Dublin to Washington Dulles.

When is the cheapest time to fly from Dublin to Washington Dulles?

The cheapest month to fly from Dublin to Washington Dulles is usually August.

Which upcoming date is cheapest to fly from Dublin Airport to Washington Dulles Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Washington Dulles Airport on Thursday, 27 August 2026.

Can I get a direct flight from Dublin Airport to Washington Dulles Airport?

Yes – the average flight time is 8 hours and 7 minutes.

How can I find the best flight deal to Washington Dulles?

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.

When is the best time to book flights to Washington D.C.?

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.

Which is the cheapest airline to fly from Dublin Airport to Washington Dulles with?

Currently, WestJet and Aer Lingus offer the cheapest flight tickets to Washington Dulles.

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

The average length of a direct flight from Dublin Airport to Washington Dulles Airport is 8 hours 5 minutes.
The timezone in Washington DC is UTC-5, which is five hours behind Dublin.
Each week, there are 22 Dublin Airport to Washington Dulles Airport flights. To jet off as early as possible, pick the 08:50 United Airlines flight. If you'd rather make the most of your day before you fly, the last departure is at 16:40 with Aer Lingus.
To ensure you catch your DUB to IAD flight, allow plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.
You can expect longer lines in popular months like July. Arriving up to four hours in advance for international flights and two hours for domestic departures will give you ample time for security and boarding.
Aer Lingus is your ticket to exploring Washington DC (and maybe even some other great corners of the United States!). Browse the direct flights from Dublin Airport to Washington Dulles Airport offered by this popular carrier.
Aer Lingus is the most frequently booked airline on this route.
United tops the rankings as the most punctual carrier for DUB to IAD flights, with 90.0% of its services arriving as scheduled.
We make it a breeze to book a flight with a stopover. To see all your options for tickets from Dublin Airport to Washington Dulles Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to explore your chosen city. Stopovers between DUB and IAD include:
- Boston Logan International Airport
- Toronto Pearson International Airport
- Edinburgh Airport

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

258 € is the best price for a one-way Dublin Airport to Washington Dulles Airport flight. Return flights start from 413 €. These prices may change based on demand and availability.
To get cheap tickets from DUB to IAD, reserve your trip seven months ahead of your planned departure.
The cheapest month for flights from Dublin Airport to Washington Dulles Airport is December. Use the 'Whole month' tool to see the lowest prices if you have a flexible schedule.
Never miss a deal on cheap flights from DUB to IAD by setting up a Price Alert. You'll get an email or notification on the app when a lower fare becomes available.
Secure the perfect flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Dublin Airport to Washington Dulles Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and number of stops.

Handy information about Dublin Airport (DUB)

Of the flights that depart from Dublin Airport, 77% touch down on time at their destination.
Dublin Airport is around 11 kilometres from central Dublin. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 25 minutes or so to arrive, depending on the traffic.
The journey on public transport takes about 30 minutes.
Taking an early flight from Dublin Airport to Washington Dulles Airport? Avoid the last-minute rush to the airport (and get some extra shut-eye) by choosing one of these stays close to DUB:

Arriving at Washington Dulles Airport (IAD)

The last thing you need is a lengthy trip to your hotel if you're arriving on a late Dublin Airport to Washington Dulles Airport flight. Check in to one of these accommodation options near IAD instead:
Pick up a Washington Dulles Airport rental car and explore Washington DC and beyond with your own set of wheels. Dollar, Thrifty and Sixt are popular outlets you can book with here.
Reserving your vehicle from Washington Dulles Airport around one week in advance increases your chances of getting a good deal.

When to fly to Washington Dulles Airport (IAD)

It's time to choose your travel dates for your flight from Dublin Airport to Washington Dulles Airport. July is the busiest month to head to Washington DC. If you want a quieter vibe, go in February.
Lock in your flight from Dublin Airport to Washington Dulles Airport for July if you'd like to explore Washington DC during its warmest month. Expect temperatures of between 19ºC (66ºF) and 33ºC (91ºF).
Look for cheap tickets from DUB to IAD in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

Explore more of the United States

You've seen Washington DC, now it's time to discover other corners of the United States. Travel about 322 kilometres north-east to New York to check off its top attractions. From Central Park to Statue of Liberty and Metropolitan Museum of Art, there's plenty to keep you busy.
Philadelphia is another sought-after destination in the United States and is around 193 kilometres north-east of Washington DC. No journey is complete without seeing Independence Hall, Liberty Bell and Philadelphia Museum of Art.