Cheap flights from Washington, D.C. Dulles Intl Airport to Dublin from €233

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 1/12. 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.
Delta Logo
11:05 - 08:45IAD-DUB
16h 40m2 stops
Delta Logo
05:55 - 19:19DUB-IAD
18h 24m2 stops
€437Delta
Find Deal
Mon, 24 Nov - Thu, 4 Dec
Delta Logo
10:05 - 08:05IAD-DUB
17h 00m2 stops
Delta Logo
05:55 - 00:12DUB-IAD
23h 17m2 stops
€440Delta
Find Deal
Mon, 1 Dec - Thu, 11 Dec
Lufthansa Logo
22:55 - 17:10IAD-DUB
13h 15m1 stop
Lufthansa Logo
05:10 - 15:50DUB-IAD
15h 40m1 stop
€441Lufthansa
Find Deal
Fri, 28 Nov - Wed, 3 Dec
Scandinavian Airlines Logo
19:59 - 15:05IAD-DUB
38h 06m2 stops
Scandinavian Airlines Logo
11:10 - 16:50DUB-IAD
34h 40m2 stops
€442Scandinavian Airlines
Find Deal
Wed, 29 Apr - Thu, 7 May
British Airways Logo
21:45 - 07:55IAD-DUB
29h 10m1 stop
British Airways Logo
10:20 - 19:55DUB-IAD
14h 35m1 stop
€443British Airways
Find Deal
Sun, 4 Jan - Wed, 21 Jan
Scandinavian Airlines Logo
20:30 - 18:20IAD-DUB
16h 50m1 stop
Scandinavian Airlines Logo
12:30 - 18:15DUB-IAD
33h 45m1 stop
€444Scandinavian Airlines
Find Deal
Wed, 4 Mar - Wed, 18 Mar
Scandinavian Airlines Logo
20:20 - 10:55IAD-DUB
33h 35m2 stops
Scandinavian Airlines Logo
09:15 - 16:50DUB-IAD
36h 35m2 stops
€445Scandinavian Airlines
Find Deal
Mon, 20 Apr - Sun, 26 Apr
Multiple Airlines Logo
09:45 - 07:10IAD-DUB
16h 25m2 stops
Multiple Airlines Logo
09:20 - 20:26DUB-IAD
16h 06m2 stops
€447Multiple Airlines
Find Deal
Thu, 4 Dec - Thu, 11 Dec
Multiple Airlines Logo
09:45 - 07:10IAD-DUB
16h 25m2 stops
Multiple Airlines Logo
05:00 - 15:50DUB-IAD
15h 50m1 stop
€452Multiple Airlines
Find Deal
Thu, 4 Dec - Thu, 11 Dec
British Airways Logo
22:45 - 14:20IAD-DUB
11h 35m1 stop
British Airways Logo
20:40 - 16:35DUB-IAD
23h 55m1 stop
€464British Airways
Find Deal
Sun, 8 Mar - Mon, 16 Mar

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Dublin flight tickets
Delta
24 Nov
IAD11:05Washington, D.C. Dulles Intl
16h 40m
2 stops
DUB08:45Dublin
4 Dec
DUB05:55Dublin
18h 24m
2 stops
IAD19:19Washington, D.C. Dulles Intl
Delta
1 Dec
IAD10:05Washington, D.C. Dulles Intl
17h 00m
2 stops
DUB08:05Dublin
11 Dec
DUB05:55Dublin
23h 17m
2 stops
IAD00:12Washington, D.C. Dulles Intl
Delta
27 Nov
IAD13:00Washington, D.C. Dulles Intl
15h 20m
2 stops
DUB09:20Dublin
2 Dec
DUB13:25Dublin
31h 40m
1 stop
IAD16:05Washington, D.C. Dulles Intl

TAP AIR PORTUGAL flights from Washington, D.C. Dulles Intl Airport to Dublin

Our best TAP AIR PORTUGAL deals on Washington, D.C. Dulles Intl Airport to Dublin flight tickets
TAP AIR PORTUGAL
22 Mar
IAD23:30Washington, D.C. Dulles Intl
12h 40m
1 stop
DUB16:10Dublin
30 Mar
DUB18:50Dublin
25h 15m
1 stop
IAD15:05Washington, D.C. Dulles Intl
TAP AIR PORTUGAL
10 Nov
IAD17:30Washington, D.C. Dulles Intl
17h 40m
1 stop
DUB16:10Dublin
16 Nov
DUB04:25Dublin
15h 50m
1 stop
IAD15:15Washington, D.C. Dulles Intl
TAP AIR PORTUGAL
5 Dec
IAD22:30Washington, D.C. Dulles Intl
19h 50m
1 stop
DUB23:20Dublin
8 Dec
DUB11:10Dublin
32h 25m
1 stop
IAD14:35Washington, D.C. Dulles Intl

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 8 November 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 24/11

11:05-08:45

2 stops16h 40m

Dublin

Thu 4/12

05:55-19:19

2 stops18h 24m

€437

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 1/12

10:05-08:05

2 stops17h 00m

Dublin

Thu 11/12

05:55-00:12

2 stops23h 17m

€440

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Fri 28/11

22:55-17:10

1 stop13h 15m

Dublin

Wed 3/12

05:10-15:50

1 stop15h 40m

€441

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 29/4

19:59-15:05

2 stops38h 06m

Dublin

Thu 7/5

11:10-16:50

2 stops34h 40m

€442

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 4/1

21:45-07:55

1 stop29h 10m

Dublin

Wed 21/1

10:20-19:55

1 stop14h 35m

€443

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 4/3

20:30-18:20

1 stop16h 50m

Dublin

Wed 18/3

12:30-18:15

1 stop33h 45m

€444

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 20/4

20:20-10:55

2 stops33h 35m

Dublin

Sun 26/4

09:15-16:50

2 stops36h 35m

€445

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Thu 4/12

09:45-07:10

2 stops16h 25m

Dublin

Thu 11/12

09:20-20:26

2 stops16h 06m

€447

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Thu 4/12

09:45-07:10

2 stops16h 25m

Dublin

Thu 11/12

05:00-15:50

1 stop15h 50m

€452

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 8/3

22:45-14:20

1 stop11h 35m

Dublin

Mon 16/3

20:40-16:35

1 stop23h 55m

€464

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 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 €518.

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 €613. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around €631. 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 €631. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €693 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 €614 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 €531 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 November 2025, prices for Washington, D.C. Dulles Intl Airport to Dublin flights are approximately 2% 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)
  • 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
Swords
Cavan
Dundalk
Tullamore
Enniscorthy
Kildare
Bray
Mullingar
Naas
Arklow
Carlingford
Maynooth
Leixlip
Drogheda
Gorey
Malahide
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.

An easier way to manage your Dublin trip

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1 adult
Mon 8/12
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