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Cheap flights from Washington, D.C. Dulles Intl Airport to Dublin from €223

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 23/10. 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

Enter your travel dates to find the best prices.
Lufthansa Logo
22:55 - 17:10IAD-DUB
13h 15m1 stop
Lufthansa Logo
05:00 - 15:50DUB-IAD
15h 50m1 stop
€412Lufthansa
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Mon, 3 Nov - Tue, 11 Nov
Aer Lingus Logo
17:05 - 04:55IAD-DUB
6h 50mdirect
Aer Lingus Logo
12:15 - 15:35DUB-IAD
8h 20mdirect
€413Aer Lingus
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Mon, 3 Nov - Tue, 11 Nov
Multiple Airlines Logo
23:20 - 10:20IAD-DUB
7h 00mdirect
Multiple Airlines Logo
05:00 - 14:35DUB-IAD
14h 35m1 stop
€414Multiple Airlines
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Tue, 28 Oct - Tue, 4 Nov
United Airlines Logo
22:20 - 10:20IAD-DUB
7h 00mdirect
United Airlines Logo
09:00 - 20:26DUB-IAD
16h 26m1 stop
€415United Airlines
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Sun, 23 Nov - Wed, 3 Dec
Aer Lingus Logo
17:05 - 04:55IAD-DUB
6h 50mdirect
Aer Lingus Logo
16:20 - 19:30DUB-IAD
8h 10mdirect
€415Aer Lingus
Find Deal
Tue, 11 Nov - Thu, 20 Nov
Multiple Airlines Logo
22:20 - 10:20IAD-DUB
7h 00mdirect
Multiple Airlines Logo
18:35 - 16:40DUB-IAD
27h 05m1 stop
€416Multiple Airlines
Find Deal
Wed, 12 Nov - Mon, 17 Nov
American Airlines Logo
18:20 - 17:45IAD-DUB
18h 25m1 stop
American Airlines Logo
10:00 - 19:55DUB-IAD
14h 55m1 stop
€417American Airlines
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Wed, 5 Nov - Wed, 12 Nov
Air Canada Logo
12:42 - 07:10IAD-DUB
13h 28m2 stops
Air Canada Logo
09:00 - 20:59DUB-IAD
16h 59m2 stops
€420Air Canada
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Tue, 2 Dec - Fri, 12 Dec
United Airlines Logo
22:20 - 10:20IAD-DUB
7h 00mdirect
United Airlines Logo
12:05 - 15:20DUB-IAD
8h 15mdirect
€421United Airlines
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Sun, 16 Nov - Tue, 25 Nov
Air Canada Logo
22:12 - 07:10IAD-DUB
27h 58m2 stops
Air Canada Logo
09:00 - 21:22DUB-IAD
17h 22m2 stops
€441Air Canada
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Mon, 24 Nov - Wed, 3 Dec

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

Our best Lufthansa deals on Washington, D.C. Dulles Intl Airport to Dublin flight tickets
Lufthansa
3 Nov
IAD22:55Washington, D.C. Dulles Intl
13h 15m
1 stop
DUB17:10Dublin
11 Nov
DUB05:00Dublin
15h 50m
1 stop
IAD15:50Washington, D.C. Dulles Intl
€412
Find similar
Lufthansa
5 Nov
IAD22:55Washington, D.C. Dulles Intl
13h 15m
1 stop
DUB17:10Dublin
11 Nov
DUB05:00Dublin
15h 50m
1 stop
IAD15:50Washington, D.C. Dulles Intl
€418
Find similar
Lufthansa
5 Nov
IAD22:55Washington, D.C. Dulles Intl
13h 15m
1 stop
DUB17:10Dublin
18 Nov
DUB05:00Dublin
15h 50m
1 stop
IAD15:50Washington, D.C. Dulles Intl
€419
Find similar

Aer Lingus flights from Washington, D.C. Dulles Intl Airport to Dublin

Our best Aer Lingus deals on Washington, D.C. Dulles Intl Airport to Dublin flight tickets
Aer Lingus
3 Nov
IAD17:05Washington, D.C. Dulles Intl
6h 50m
DUB04:55Dublin
11 Nov
DUB12:15Dublin
8h 20m
IAD15:35Washington, D.C. Dulles Intl
€413
Find similar
Aer Lingus
26 Oct
IAD22:00Washington, D.C. Dulles Intl
6h 50m
DUB08:50Dublin
4 Nov
DUB12:15Dublin
8h 20m
IAD15:35Washington, D.C. Dulles Intl
€414
Find similar
Aer Lingus
11 Nov
IAD17:05Washington, D.C. Dulles Intl
6h 50m
DUB04:55Dublin
20 Nov
DUB16:20Dublin
8h 10m
IAD19:30Washington, D.C. Dulles Intl
€415
Find similar

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 18 October 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

Mon 3/11

22:55-17:10

1 stop13h 15m

Dublin

Tue 11/11

05:00-15:50

1 stop15h 50m

€412

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 3/11

17:05-04:55

Nonstop6h 50m

Dublin

Tue 11/11

12:15-15:35

Nonstop8h 20m

€413

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 28/10

23:20-10:20

Nonstop7h 00m

Dublin

Tue 4/11

05:00-14:35

1 stop14h 35m

€414

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 23/11

22:20-10:20

Nonstop7h 00m

Dublin

Wed 3/12

09:00-20:26

1 stop16h 26m

€415

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 11/11

17:05-04:55

Nonstop6h 50m

Dublin

Thu 20/11

16:20-19:30

Nonstop8h 10m

€415

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 12/11

22:20-10:20

Nonstop7h 00m

Dublin

Mon 17/11

18:35-16:40

1 stop27h 05m

€416

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 5/11

18:20-17:45

1 stop18h 25m

Dublin

Wed 12/11

10:00-19:55

1 stop14h 55m

€417

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 2/12

12:42-07:10

2 stops13h 28m

Dublin

Fri 12/12

09:00-20:59

2 stops16h 59m

€420

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 16/11

22:20-10:20

Nonstop7h 00m

Dublin

Tue 25/11

12:05-15:20

Nonstop8h 15m

€421

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 24/11

22:12-07:10

2 stops27h 58m

Dublin

Wed 3/12

09:00-21:22

2 stops17h 22m

€441

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 January, then book flights to Dublin from Washington, D.C. Dulles Intl Airport during February instead. Flights to Dublin in February, while not as cheap as those in January, still average around €515.

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 €608. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around €626. 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 evening. Our users have found flights to Dublin in the evening for as low as €626. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €687 on average. Flights to Dublin from Washington, D.C. Dulles Intl Airport in the afternoon 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 €607 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 €511 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?

You could potentially save up to 7% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Dublin flight.

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

As of October 2025, prices for Washington, D.C. Dulles Intl Airport to Dublin flights are approximately 1% cheaper 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
Bray
Naas
Mullingar
Maynooth
Arklow
Leixlip
Carlingford
Drogheda
Malahide
Portmarnock
Castleknock

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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