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Cheap flights from Ireland to Washington, D.C. from €248

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Washington, D.C. departing on 28/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ireland to Washington, D.C.

Recent return flight deals from Ireland to Washington, D.C.

Enter your travel dates to find the best prices.
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
€384Icelandair
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
€388Icelandair
Find Deal
Tue, 13 Jan - Mon, 2 Feb
Scandinavian Airlines Logo
11:30 - 18:50DUB-IAD
60h 20m2 stops
Scandinavian Airlines Logo
20:30 - 09:25IAD-DUB
31h 55m1 stop
€389Scandinavian Airlines
Find Deal
Thu, 15 Jan - Thu, 5 Feb
Scandinavian Airlines Logo
11:30 - 18:50DUB-IAD
60h 20m2 stops
Scandinavian Airlines Logo
20:30 - 09:20IAD-DUB
31h 50m2 stops
€392Scandinavian Airlines
Find Deal
Thu, 15 Jan - Thu, 5 Feb
American Airlines Logo
13:40 - 19:55DUB-IAD
11h 15m1 stop
American Airlines Logo
18:20 - 09:35IAD-DUB
10h 15m1 stop
€397American Airlines
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Sun, 21 Dec - Tue, 6 Jan
Aer Lingus Logo
12:15 - 15:35DUB-IAD
8h 20mdirect
Aer Lingus Logo
17:05 - 04:55IAD-DUB
6h 50mdirect
€400Aer Lingus
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Tue, 13 Jan - Mon, 2 Feb
Delta Logo
08:50 - 16:05DUB-IAD
12h 15m1 stop
Delta Logo
19:49 - 15:45IAD-DUB
14h 56m2 stops
€405Delta
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Fri, 14 Nov - Thu, 27 Nov
American Airlines Logo
12:55 - 22:59DUB-IAD
15h 04m1 stop
American Airlines Logo
07:59 - 15:25IAD-DUB
26h 26m2 stops
€406American Airlines
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Fri, 5 Dec - Mon, 8 Dec
Delta Logo
08:50 - 16:05DUB-IAD
12h 15m1 stop
Delta Logo
07:01 - 07:45IAD-DUB
19h 44m1 stop
€408Delta
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Tue, 25 Nov - Sun, 30 Nov
Aer Lingus Logo
16:20 - 19:30DUB-IAD
8h 10mdirect
Aer Lingus Logo
17:05 - 04:55IAD-DUB
6h 50mdirect
€414Aer Lingus
Find Deal
Fri, 14 Nov - Mon, 17 Nov

Icelandair flights from Ireland to Washington, D.C. Dulles Intl Airport

Our best Icelandair deals on Ireland to Washington, D.C. Dulles Intl Airport flight tickets
Icelandair
5 Dec
DUB11:30Dublin
12h 00m
1 stop
IAD18:30Washington, D.C. Dulles Intl
8 Dec
IAD19:40Washington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15Dublin
€384
Find similar
Icelandair
13 Jan
DUB11:30Dublin
12h 00m
1 stop
IAD18:30Washington, D.C. Dulles Intl
2 Feb
IAD19:40Washington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15Dublin
€388
Find similar
Icelandair
24 Dec
DUB11:30Dublin
12h 00m
1 stop
IAD18:30Washington, D.C. Dulles Intl
6 Jan
IAD19:40Washington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15Dublin
€426
Find similar

Delta flights from Ireland to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Ireland to Washington, D.C. Dulles Intl Airport flight tickets
Delta
9 Nov
DUB08:50Dublin
12h 15m
1 stop
IAD16:05Washington, D.C. Dulles Intl
18 Nov
IAD12:11Washington, D.C. Dulles Intl
14h 39m
2 stops
DUB07:50Dublin
€405
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Delta
25 Nov
DUB08:50Dublin
12h 15m
1 stop
IAD16:05Washington, D.C. Dulles Intl
30 Nov
IAD07:01Washington, D.C. Dulles Intl
19h 44m
1 stop
DUB07:45Dublin
€408
Find similar
Delta
11 Dec
DUB05:55Dublin
18h 24m
2 stops
IAD19:19Washington, D.C. Dulles Intl
8 Jan
IAD12:23Washington, D.C. Dulles Intl
22h 22m
2 stops
DUB15:45Dublin
€410
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momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 4 November 2025.
Use the filters below to find and compare flights from Ireland to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 5/12

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Mon 8/12

19:40-10:15

1 stop9h 35m

€384

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 13/1

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Mon 2/2

19:40-10:15

1 stop9h 35m

€388

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 15/1

11:30-18:50

2 stops60h 20m

Washington, D.C. Dulles Intl

Thu 5/2

20:30-09:25

1 stop31h 55m

€389

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 15/1

11:30-18:50

2 stops60h 20m

Washington, D.C. Dulles Intl

Thu 5/2

20:30-09:20

2 stops31h 50m

€392

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sun 21/12

13:40-19:55

1 stop11h 15m

Washington, D.C. Dulles Intl

Tue 6/1

18:20-09:35

1 stop10h 15m

€397

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 13/1

12:15-15:35

Nonstop8h 20m

Washington, D.C. Dulles Intl

Mon 2/2

17:05-04:55

Nonstop6h 50m

€400

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 14/11

08:50-16:05

1 stop12h 15m

Washington, D.C. Dulles Intl

Thu 27/11

19:49-15:45

2 stops14h 56m

€405

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 5/12

12:55-22:59

1 stop15h 04m

Washington, D.C. Dulles Intl

Mon 8/12

07:59-15:25

2 stops26h 26m

€406

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 25/11

08:50-16:05

1 stop12h 15m

Washington, D.C. Dulles Intl

Sun 30/11

07:01-07:45

1 stop19h 44m

€408

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 14/11

16:20-19:30

Nonstop8h 10m

Washington, D.C. Dulles Intl

Mon 17/11

17:05-04:55

Nonstop6h 50m

€414

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Ireland to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

The month of January is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Ireland, with most prices found around €420. If you aren’t able to travel during the month of January, then book flights to Washington, D.C. Dulles Intl Airport from Ireland during November instead. Flights to Washington, D.C. Dulles Intl Airport in November, while not as cheap as those in January, still average around €440.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

According to our data, Thursday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Ireland. The lowest ticket price found for a Thursday departure recently was €629. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Sunday is €815.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

According to our data, the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the afternoon. momondo users have found flights departing from Ireland to Washington, D.C. Dulles Intl Airport in the afternoon for as low as €531. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around €704. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ireland to Washington, D.C. Dulles Intl flight route?

Fly from Dublin to Washington, D.C. Dulles Intl for the best Ireland - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around €521 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Ireland for as low as €453 on momondo.

What cabin class options are available on Ireland to Washington, D.C. Dulles Intl flights?

There are 2 cabin classes available to choose from on Ireland to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ireland to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 35% on your flight if you consider stops on a Ireland to Washington, D.C. Dulles Intl Airport flight.

Cheap Ireland to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Washington, D.C. Dulles Intl Airport

Best price found

€833

Fastest flight time

7h 55m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Ireland in the past 72 hours is €833. The best return flight deal from Ireland to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is €528.
The fastest flight from Ireland to Washington, D.C. Dulles Intl Airport takes 7h 55m
Direct flights go from Ireland to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Ireland to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Ireland to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Ireland to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Ireland to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ireland to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Ireland to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Ireland to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom €299Free CancellationRating
7.1
568 reviews
Search Icelandair flights
Aer LingusPriceFrom €333Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
United AirlinesPriceFrom €411Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Gettysburg

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Ireland to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ireland to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Ireland to Washington, D.C.?

momondo helps you find the best flight between Ireland and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ireland to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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