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Cheap flights from Ireland to Washington, D.C. from £306

This is the cheapest return 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 3/2. 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
£306Icelandair
Find Deal
Tue, 3 Feb - Sat, 7 Feb
Scandinavian Airlines Logo
19:05 - 17:15DUB-IAD
27h 10m1 stop
Scandinavian Airlines Logo
21:30 - 18:20IAD-DUB
16h 50m1 stop
£325Scandinavian Airlines
Find Deal
Wed, 4 Mar - Wed, 11 Mar
Scandinavian Airlines Logo
19:05 - 17:15DUB-IAD
27h 10m1 stop
Scandinavian Airlines Logo
21:30 - 18:20IAD-DUB
16h 50m1 stop
£326Scandinavian Airlines
Find Deal
Wed, 4 Mar - Wed, 11 Mar
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
£329Icelandair
Find Deal
Mon, 2 Feb - Thu, 5 Feb
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
£337Icelandair
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Scandinavian Airlines Logo
19:05 - 17:15DUB-IAD
27h 10m1 stop
Scandinavian Airlines Logo
21:30 - 18:20IAD-DUB
16h 50m1 stop
£339Scandinavian Airlines
Find Deal
Wed, 4 Mar - Wed, 11 Mar
Scandinavian Airlines Logo
11:30 - 17:15DUB-IAD
34h 45m2 stops
Scandinavian Airlines Logo
21:30 - 18:20IAD-DUB
16h 50m1 stop
£340Scandinavian Airlines
Find Deal
Wed, 4 Mar - Wed, 11 Mar
Scandinavian Airlines Logo
11:30 - 17:15DUB-IAD
34h 45m2 stops
Scandinavian Airlines Logo
21:30 - 18:20IAD-DUB
16h 50m1 stop
£341Scandinavian Airlines
Find Deal
Wed, 4 Mar - Wed, 11 Mar
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
£344Icelandair
Find Deal
Tue, 3 Feb - Sun, 8 Feb
Icelandair Logo
11:30 - 18:30DUB-IAD
12h 00m1 stop
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
£347Icelandair
Find Deal
Mon, 12 Jan - Tue, 20 Jan

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
3 Feb
DUB11:30Dublin
12h 00m
1 stop
IAD18:30Washington, D.C. Dulles Intl
7 Feb
IAD19:40Washington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15Dublin
£306
Find similar
Icelandair
2 Feb
DUB11:30Dublin
12h 00m
1 stop
IAD18:30Washington, D.C. Dulles Intl
5 Feb
IAD19:40Washington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15Dublin
£329
Find similar
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
£337
Find similar

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

Our best Lufthansa deals on Ireland to Washington, D.C. Dulles Intl Airport flight tickets
Lufthansa
9 Jan
DUB05:10Dublin
14h 25m
1 stop
IAD14:35Washington, D.C. Dulles Intl
19 Jan
IAD17:40Washington, D.C. Dulles Intl
11h 25m
1 stop
DUB10:05Dublin
£351
Find similar
Lufthansa
9 Jan
DUB05:10Dublin
14h 25m
1 stop
IAD14:35Washington, D.C. Dulles Intl
19 Jan
IAD18:05Washington, D.C. Dulles Intl
17h 20m
2 stops
DUB16:25Dublin
£383
Find similar
Lufthansa
4 Mar
DUB12:05Dublin
8h 15m
IAD15:20Washington, D.C. Dulles Intl
11 Mar
IAD18:40Washington, D.C. Dulles Intl
11h 25m
1 stop
DUB10:05Dublin
£388
Find similar

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 279,928 searches. Data last updated 13 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

Tue 3/2

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Sat 7/2

19:40-10:15

1 stop9h 35m

£306

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 4/3

19:05-17:15

1 stop27h 10m

Washington, D.C. Dulles Intl

Wed 11/3

21:30-18:20

1 stop16h 50m

£325

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 4/3

19:05-17:15

1 stop27h 10m

Washington, D.C. Dulles Intl

Wed 11/3

21:30-18:20

1 stop16h 50m

£326

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 2/2

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Thu 5/2

19:40-10:15

1 stop9h 35m

£329

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

£337

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 4/3

19:05-17:15

1 stop27h 10m

Washington, D.C. Dulles Intl

Wed 11/3

21:30-18:20

1 stop16h 50m

£339

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 4/3

11:30-17:15

2 stops34h 45m

Washington, D.C. Dulles Intl

Wed 11/3

21:30-18:20

1 stop16h 50m

£340

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 4/3

11:30-17:15

2 stops34h 45m

Washington, D.C. Dulles Intl

Wed 11/3

21:30-18:20

1 stop16h 50m

£341

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 3/2

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Sun 8/2

19:40-10:15

1 stop9h 35m

£344

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 12/1

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Tue 20/1

19:40-10:15

1 stop9h 35m

£347

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 £354. 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 £385.

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

According to our data, Tuesday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Ireland. The lowest ticket price found for a Tuesday departure recently was £552. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Sunday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £644.

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

The cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is at midday when flights can be purchased for as low as £427. In contrast, the most expensive time of day to depart to Washington, D.C. Dulles Intl Airport is in the morning when prices are around £600.

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 £454 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 £397 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 19% 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

£527

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 £527. The best return flight deal from Ireland to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is £547.
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 refreshed on a daily basis.

  • 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 required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable 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
LufthansaPriceFrom £301Free CancellationRating
6.8
7,572 reviews
Search Lufthansa flights
IcelandairPriceFrom £316Free CancellationRating
7.1
578 reviews
Search Icelandair flights
British AirwaysPriceFrom £316Free CancellationRating
6.7
7,521 reviews
Search British Airways flights
United AirlinesPriceFrom £340Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
Aer LingusPriceFrom £341Free CancellationRating
7.2
1,370 reviews
Search Aer Lingus flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Laurel
College Park
Alexandria
Fairfax
Linthicum Heights
Bethesda
Front Royal
Cambridge
Winchester
Ellicott City
Westminster
Arlington
Ashburn
Woodbridge
Owings Mills
Sterling
Silver Spring
National Harbor

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Washington, D.C. . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Washington, D.C. from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Ireland.

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

If you are not ready to book a flight from Ireland to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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