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Cheap flights from Washington, D.C. Dulles Intl Airport to Dublin from €204

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Dublin departing on 21/10. 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 Washington, D.C. Dulles Intl Airport to Dublin

Cheap return flights

Logo
22:55 - 17:10IAD-DUB
13h 15m1 stop
Logo
09:00 - 15:51DUB-IAD
11h 51m1 stop
€388
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Wed, 26 Nov - Wed, 3 Dec
United Airlines Logo
22:20 - 10:20IAD-DUB
7h 00mdirect
United Airlines Logo
09:00 - 15:51DUB-IAD
11h 51m1 stop
€389United Airlines
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Tue, 4 Nov - Fri, 14 Nov
Icelandair Logo
20:30 - 13:15IAD-DUB
11h 45m1 stop
Icelandair Logo
11:30 - 19:30DUB-IAD
12h 00m1 stop
€390Icelandair
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Fri, 24 Oct - Wed, 29 Oct
Scandinavian Airlines Logo
20:30 - 19:35IAD-DUB
18h 05m2 stops
Scandinavian Airlines Logo
19:05 - 17:15DUB-IAD
27h 10m1 stop
€395Scandinavian Airlines
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Thu, 29 Jan - Sun, 1 Feb
Aer Lingus Logo
17:20 - 05:10IAD-DUB
6h 50mdirect
Aer Lingus Logo
12:15 - 15:35DUB-IAD
8h 20mdirect
€397Aer Lingus
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Sun, 12 Oct - Fri, 14 Nov
Aer Lingus Logo
17:05 - 04:55IAD-DUB
6h 50mdirect
Aer Lingus Logo
16:20 - 19:30DUB-IAD
8h 10mdirect
€399Aer Lingus
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Sun, 2 Nov - Thu, 6 Nov
Icelandair Logo
19:40 - 10:15IAD-DUB
9h 35m1 stop
Icelandair Logo
12:15 - 22:30DUB-IAD
15h 15m1 stop
€400Icelandair
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Sun, 1 Mar - Sun, 31 May
Lufthansa Logo
22:55 - 17:10IAD-DUB
13h 15m1 stop
Lufthansa Logo
12:05 - 15:20DUB-IAD
8h 15mdirect
€401Lufthansa
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Sun, 2 Nov - Tue, 11 Nov
Lufthansa Logo
22:55 - 17:10IAD-DUB
13h 15m1 stop
Lufthansa Logo
12:05 - 15:20DUB-IAD
8h 15mdirect
€406Lufthansa
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Wed, 12 Nov - Tue, 18 Nov
Scandinavian Airlines Logo
21:30 - 18:10IAD-DUB
16h 40m2 stops
Scandinavian Airlines Logo
19:05 - 18:15DUB-IAD
27h 10m1 stop
€411Scandinavian Airlines
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Thu, 12 Mar - Sun, 22 Mar

United Airlines flights from Washington, D.C. Dulles Intl Airport to Dublin

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Dublin flight tickets
United Airlines
4 Nov
IAD22:20Washington, D.C. Dulles Intl
7h 00m
DUB10:20Dublin
14 Nov
DUB09:00Dublin
11h 51m
1 stop
IAD15:51Washington, D.C. Dulles Intl
€389
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United Airlines
10 Mar
IAD08:15Washington, D.C. Dulles Intl
17h 55m
2 stops
DUB06:10Dublin
17 Mar
DUB09:30Dublin
10h 44m
1 stop
IAD16:14Washington, D.C. Dulles Intl
€391
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United Airlines
19 Nov
IAD17:33Washington, D.C. Dulles Intl
11h 22m
1 stop
DUB09:55Dublin
26 Nov
DUB09:00Dublin
17h 22m
2 stops
IAD21:22Washington, D.C. Dulles Intl
€392
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Icelandair flights from Washington, D.C. Dulles Intl Airport to Dublin

Our best Icelandair deals on Washington, D.C. Dulles Intl Airport to Dublin flight tickets
Icelandair
24 Oct
IAD20:30Washington, D.C. Dulles Intl
11h 45m
1 stop
DUB13:15Dublin
29 Oct
DUB11:30Dublin
12h 00m
1 stop
IAD19:30Washington, D.C. Dulles Intl
€390
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Icelandair
1 Mar
IAD19:40Washington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15Dublin
31 May
DUB12:15Dublin
15h 15m
1 stop
IAD22:30Washington, D.C. Dulles Intl
€400
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Icelandair
30 Oct
IAD20:40Washington, D.C. Dulles Intl
9h 35m
1 stop
DUB10:15Dublin
6 Nov
DUB11:30Dublin
12h 00m
1 stop
IAD18:30Washington, D.C. Dulles Intl
€403
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momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Dulles Intl Airport to Dublin 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 15 September 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 26/11

22:55-17:10

1 stop13h 15m

Dublin

Wed 3/12

09:00-15:51

1 stop11h 51m

€388

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 4/11

22:20-10:20

Nonstop7h 00m

Dublin

Fri 14/11

09:00-15:51

1 stop11h 51m

€389

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Fri 24/10

20:30-13:15

1 stop11h 45m

Dublin

Wed 29/10

11:30-19:30

1 stop12h 00m

€390

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Thu 29/1

20:30-19:35

2 stops18h 05m

Dublin

Sun 1/2

19:05-17:15

1 stop27h 10m

€394

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 12/10

17:20-05:10

Nonstop6h 50m

Dublin

Fri 14/11

12:15-15:35

Nonstop8h 20m

€397

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 2/11

17:05-04:55

Nonstop6h 50m

Dublin

Thu 6/11

16:20-19:30

Nonstop8h 10m

€399

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 1/3

19:40-10:15

1 stop9h 35m

Dublin

Sun 31/5

12:15-22:30

1 stop15h 15m

€400

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 2/11

22:55-17:10

1 stop13h 15m

Dublin

Tue 11/11

12:05-15:20

Nonstop8h 15m

€401

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 12/11

22:55-17:10

1 stop13h 15m

Dublin

Tue 18/11

12:05-15:20

Nonstop8h 15m

€406

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Thu 12/3

21:30-18:10

2 stops16h 40m

Dublin

Sun 22/3

19:05-18:15

1 stop27h 10m

€411

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 Dublin from

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

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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Dublin?

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of February, then book flights to Dublin from Washington, D.C. Dulles Intl Airport during January instead. Flights to Dublin in January, while not as cheap as those in February, still average around €501.

What is the cheapest day to depart on your flight to Dublin?

Our data shows that Tuesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €603. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around €619. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

What is the cheapest time of day to depart on your flight to Dublin?

Our data shows that the cheapest Washington, D.C. Dulles Intl Airport to Dublin flights are usually those with departure times in the afternoon. Our users have found flights to Dublin in the afternoon for as low as €611. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are €621 on average. Flights to Dublin from Washington, D.C. Dulles Intl Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

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

How far in advance should I book a flight to Dublin?

You are more likely to see cheaper flights to Dublin from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €598 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Washington, D.C. Dulles Intl Airport for as low as €495 on momondo.

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

There are 2 cabin classes available to choose from on Washington, D.C. Dulles Intl to Dublin 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 Washington, D.C. Dulles Intl Airport to Dublin flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Dublin.

How have Washington, D.C. Dulles Intl Airport to Dublin flight prices changed over time?

As of September 2025, prices for Washington, D.C. Dulles Intl Airport to Dublin flights are approximately 26% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. Dulles Intl Airport to Dublin (IAD to DUB) flight deals and tips

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

Fastest flight time

6h 50m

Direct flights

Every day

Airports in Dublin

1 airport
The fastest flight from Washington, D.C. Dulles Intl Airport to Dublin takes 6h 50m
Direct flights go from Washington, D.C. Dulles Intl Airport to Dublin every day.
There is 1 airport near Dublin: Dublin (DUB)
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Dublin by plane?

    Washington, D.C. Dulles Intl and Dublin are 5461.9 km apart from one another. Typically, this will take 6h 50m by plane in normal conditions.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Dublin Airport are refreshed on a daily basis.

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

  • What documentation or ID do you need to fly to Dublin Airport?

    The necessary travel and health documents for your Dublin 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 Washington, D.C. Dulles Intl Airport to Dublin?

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Wicklow
Cavan
Swords
Dundalk
Tullamore
Enniscorthy
Kildare
Naas
Mullingar
Bray
Maynooth
Arklow
Drogheda
Malahide
Carlingford
Portmarnock
Castleknock
Leixlip

Why use momondo?

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

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

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Dublin.

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

If you are simply researching potential flights to Dublin, momondo offers a useful price alert feature which will track prices for flights to Dublin from Washington, D.C. and alert you when they change.

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