Cheap Flights from Dublin to Washington Dulles from 344 €

Q: 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 344 €. 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.

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

8 hours and 6 minutes is the average flight time from Dublin to Washington Dulles.

Q: Which airlines fly direct from Dublin to Washington Dulles?

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

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

As of March 2025, there are 99 flights per week flying from Dublin to Washington Dulles.

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

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

Q: 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 Monday, 2 June 2025 .

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

Yes – the average flight time is 8 hours and 6 minutes.

Q: 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.

Q: 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.

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

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

Compare Dublin to Washington Dulles flight deals

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

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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 to Washington Dulles? Find the lowest prices on one-way and return tickets right here.

Washington D.C..344 € per passenger.Departing Mon, 2 Jun, returning Wed, 27 Aug.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Dublin on Mon, 2 Jun, arriving in Washington Dulles.Inbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Wed, 27 Aug, arriving in Dublin.Price includes taxes and charges.From 344 €, select.

Washington D.C..349 € per passenger.Departing Thu, 1 May, returning Sat, 17 May.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Dublin on Thu, 1 May, arriving in Washington Dulles.Inbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Sat, 17 May, arriving in Dublin.Price includes taxes and charges.From 349 €, select.

Washington D.C..350 € per passenger.Departing Fri, 24 Oct, returning Sun, 2 Nov.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Dublin on Fri, 24 Oct, arriving in Washington Dulles.Inbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Sun, 2 Nov, arriving in Dublin.Price includes taxes and charges.From 350 €, select.

Washington D.C..350 € per passenger.Departing Thu, 28 Aug, returning Mon, 8 Sep.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Dublin on Thu, 28 Aug, 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 350 €, select.

Washington D.C..350 € per passenger.Departing Wed, 10 Sep, returning Wed, 17 Sep.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Dublin on Wed, 10 Sep, arriving in Washington Dulles.Inbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Wed, 17 Sep, arriving in Dublin.Price includes taxes and charges.From 350 €, select.

Washington D.C..350 € per passenger.Departing Mon, 6 Oct, returning Wed, 15 Oct.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Dublin on Mon, 6 Oct, arriving in Washington Dulles.Inbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Wed, 15 Oct, arriving in Dublin.Price includes taxes and charges.From 350 €, select.

Washington D.C..351 € per passenger.Departing Sun, 24 Aug, returning Sun, 31 Aug.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Dublin on Sun, 24 Aug, arriving in Washington Dulles.Inbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Sun, 31 Aug, arriving in Dublin.Price includes taxes and charges.From 351 €, select.

Washington D.C..354 € per passenger.Departing Wed, 24 Sep, returning Wed, 1 Oct.Return flight with Scandinavian Airlines.Outbound indirect flight with Scandinavian Airlines, departs from Dublin on Wed, 24 Sep, arriving in Washington Dulles.Inbound indirect flight with Scandinavian Airlines, departs from Washington Dulles on Wed, 1 Oct, arriving in Dublin.Price includes taxes and charges.From 354 €, 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 May.

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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	344 €
Cheapest month to fly	June
Average flight time	8 hrs, 6 mins
Most popular airline	Aer Lingus
Average flights per week	99

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

How much are return flights from Dublin to Washington Dulles?

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

Which airlines fly direct from Dublin to Washington Dulles?

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

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

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

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

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

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

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

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

A direct flight from Dublin Airport to Washington Dulles International Airport takes an average of 8 hours. The timezone in Washington DC is UTC-4, making it 4 hours behind Dublin.
Flights from Dublin Airport to Washington Dulles International Airport start from 11:45 — the earliest with Aer Lingus. The last departure is the 23:05 service with United Airlines. Overall, you can choose from 28 weekly services between DUB and IAD.
Getting on a plane during a peak month like August? High seasons (like summer, Christmas and New Year) can easily add another hour at security. Be extra safe and arrive up to four hours ahead of international flights and two hours before domestic departures.
Visiting Washington DC (and then discovering more of United States!) is straightforward with Aer Lingus. This popular airline runs direct flights from Dublin Airport to Washington Dulles International Airport.
If you want to break up your flight from Dublin Airport to Washington Dulles International Airport, add a stopover to your trip. Simply deselect 'Direct flights only' to find a destination that appeals to you. Popular stopovers on the DUB - IAD route include:
- Edinburgh Airport
- Pearson International Airport
- Keflavik International Airport
Before reserving your cheap ticket from DUB to IAD, check whether you need a visa to enter United States. Travel document and visa requirements can differ and are updated frequently. To get the latest information, contact the nearest embassy or consulate of the country you're going to.

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

238 € is the lowest price for a one-way ticket from Dublin Airport to Washington Dulles International Airport. Return flights start at 344 €. These prices can change based on demand.
Get cheap tickets from DUB to IAD by booking 4 months ahead. According to our research, that's the sweet spot for landing a bargain.
December is the cheapest month for tickets from Dublin Airport to Washington Dulles International Airport. If you'd like to fly during a different time of year, the 'Whole month' tool will give you the lowest airfares across every month.
Log into your online account or use the app to set up a Price Alert. We'll notify you right away if there's a cheaper deal on this route. It's easy to do, and it'll save you the hassle of searching for cheap tickets from DUB to IAD every day.
Use filters to find the perfect trip for you. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Dublin Airport to Washington Dulles International Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and number of stops.

Handy information about Dublin Airport (DUB)

Located around 21 kilometres from the centre of Dublin, Dublin Airport can be reached in about 29 minutes by car, depending on traffic. The ride on public transport will take roughly 2 hours and 9 minutes.
Need a handy hotel near DUB? If you're boarding an early flight from Dublin Airport to Washington Dulles International Airport, these stays will put you moments from your departure lounge:

Arriving at Washington Dulles International Airport (IAD)

If you're on a late flight from Dublin Airport to Washington Dulles International Airport, nothing tops the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and resting soon after at one of these hotels near IAD:

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

Washington Dulles International Airport is approximately 56 kilometres from central Washington DC. With your own car rental or in a cab, the drive is about 51 minutes.
It'll take around 3 hours and 26 minutes if you're travelling on public transport.

When to fly to Washington Dulles International Airport (IAD)

It's time to plan your trip dates for your flight from Dublin Airport to Washington Dulles International Airport. July is the busiest month to visit Washington DC. If you prefer a more relaxed vibe, go in February.
The warmest month in Washington DC is July, with temperatures ranging between 19ºC and 33ºC. Book your flights from Dublin Airport to Washington Dulles International Airport in this month if this is the kind of weather you like.
January has average temperatures of between -6ºC and 10ºC. Look for cheap tickets from DUB to IAD sometime then if you'd rather travel in cooler conditions.

More about Washington DC

Start your Washington DC trip right by finding a fantastic place to stay. After booking your flight from DUB to IAD, check out our range of accommodation options including:
There are so many things to do and see in this city it can be difficult to know where to begin. White House Historical Association, The White House and National Mall are top sights which should feature on every Washington DC itinerary.
Browse your options for flying into Ronald Reagan National Airport (DCA) or Baltimore/Wash International Thurgood Marshall Airport (BWI). They're other international airports that serve Washington DC.

Complete your Washington DC trip with hotels and a car rental

We've got more party tricks up our sleeve than just comparing flights. Once you've booked your cheap ticket to Washington Dulles International Airport, check out our great car rental offers that'll give you the flexibility to see the sights at your own pace. Next, have a look at our exclusive rates for hotels to find the ideal Washington DC stay.