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

Cheap return flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
21:00 - 08:50IAD-DUB
6h 50mdirect
Aer Lingus Logo
12:15 - 15:35DUB-IAD
8h 20mdirect
€416Aer Lingus
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Sun, 16 Nov - Tue, 25 Nov
Aer Lingus Logo
17:05 - 04:55IAD-DUB
6h 50mdirect
Aer Lingus Logo
16:20 - 19:30DUB-IAD
8h 10mdirect
€417Aer Lingus
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Wed, 5 Nov - Tue, 11 Nov
American Airlines Logo
21:45 - 17:45IAD-DUB
15h 00m1 stop
American Airlines Logo
10:00 - 19:55DUB-IAD
14h 55m1 stop
€418American Airlines
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Wed, 5 Nov - Wed, 12 Nov
Multiple Airlines Logo
09:45 - 07:10IAD-DUB
16h 25m2 stops
Multiple Airlines Logo
09:25 - 20:05DUB-IAD
15h 40m2 stops
€420Multiple Airlines
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Tue, 2 Dec - Fri, 12 Dec
American Airlines Logo
18:20 - 21:00IAD-ORK
21h 40m1 stop
American Airlines Logo
07:40 - 15:35ORK-IAD
12h 55m1 stop
€421American Airlines
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Tue, 2 Dec - Tue, 9 Dec
Scandinavian Airlines Logo
20:30 - 11:45IAD-DUB
34h 15m1 stop
Scandinavian Airlines Logo
19:05 - 16:50DUB-IAD
26h 45m1 stop
€421Scandinavian Airlines
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Mon, 12 Jan - Sat, 18 Apr
United Airlines Logo
13:05 - 08:10IAD-DUB
14h 05m1 stop
United Airlines Logo
12:05 - 15:20DUB-IAD
8h 15mdirect
€422United Airlines
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Sun, 1 Feb - Tue, 24 Feb
United Airlines Logo
06:30 - 08:10IAD-DUB
21h 40m1 stop
United Airlines Logo
12:05 - 15:20DUB-IAD
8h 15mdirect
€423United Airlines
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Wed, 29 Oct - Tue, 4 Nov
Multiple Airlines Logo
20:30 - 17:45IAD-DUB
16h 15m1 stop
Multiple Airlines Logo
09:10 - 20:26DUB-IAD
16h 16m2 stops
€427Multiple Airlines
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Tue, 4 Nov - Tue, 11 Nov
Scandinavian Airlines Logo
20:20 - 10:20IAD-DUB
33h 00m2 stops
Scandinavian Airlines Logo
11:40 - 16:50DUB-IAD
34h 10m2 stops
€451Scandinavian Airlines
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Wed, 1 Apr - Wed, 8 Apr

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

Our best Aer Lingus deals on Washington, D.C. Dulles Intl Airport to Ireland flight tickets
Aer Lingus
16 Nov
IAD21:00Washington, D.C. Dulles Intl
6h 50m
DUB08:50Dublin
25 Nov
DUB12:15Dublin
8h 20m
IAD15:35Washington, D.C. Dulles Intl
€416
Find similar
Aer Lingus
5 Nov
IAD17:05Washington, D.C. Dulles Intl
6h 50m
DUB04:55Dublin
11 Nov
DUB16:20Dublin
8h 10m
IAD19:30Washington, D.C. Dulles Intl
€417
Find similar
Aer Lingus
5 Nov
IAD17:05Washington, D.C. Dulles Intl
6h 50m
DUB04:55Dublin
12 Nov
DUB12:15Dublin
8h 20m
IAD15:35Washington, D.C. Dulles Intl
€419
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American Airlines flights from Washington, D.C. Dulles Intl Airport to Ireland

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Ireland flight tickets
American Airlines
5 Nov
IAD21:45Washington, D.C. Dulles Intl
15h 00m
1 stop
DUB17:45Dublin
12 Nov
DUB10:00Dublin
14h 55m
1 stop
IAD19:55Washington, D.C. Dulles Intl
€418
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American Airlines
2 Dec
IAD18:20Washington, D.C. Dulles Intl
21h 40m
1 stop
ORK21:00Cork
9 Dec
ORK07:40Cork
12h 55m
1 stop
IAD15:35Washington, D.C. Dulles Intl
€421
Find similar
American Airlines
31 Oct
IAD19:20Washington, D.C. Dulles Intl
10h 55m
1 stop
DUB10:15Dublin
7 Nov
DUB07:35Dublin
13h 00m
1 stop
IAD15:35Washington, D.C. Dulles Intl
€481
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momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Dulles Intl Airport to Ireland 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 19 October 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Ireland 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

Sun 16/11

21:00-08:50

Nonstop6h 50m

Dublin

Tue 25/11

12:15-15:35

Nonstop8h 20m

€416

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 5/11

17:05-04:55

Nonstop6h 50m

Dublin

Tue 11/11

16:20-19:30

Nonstop8h 10m

€417

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 5/11

21:45-17:45

1 stop15h 00m

Dublin

Wed 12/11

10:00-19:55

1 stop14h 55m

€418

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 2/12

09:45-07:10

2 stops16h 25m

Dublin

Fri 12/12

09:25-20:05

2 stops15h 40m

€420

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Tue 2/12

18:20-21:00

1 stop21h 40m

Cork

Tue 9/12

07:40-15:35

1 stop12h 55m

€421

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 12/1

20:30-11:45

1 stop34h 15m

Dublin

Sat 18/4

19:05-16:50

1 stop26h 45m

€421

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 1/2

13:05-08:10

1 stop14h 05m

Dublin

Tue 24/2

12:05-15:20

Nonstop8h 15m

€422

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 29/10

06:30-08:10

1 stop21h 40m

Dublin

Tue 4/11

12:05-15:20

Nonstop8h 15m

€423

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 4/11

20:30-17:45

1 stop16h 15m

Dublin

Tue 11/11

09:10-20:26

2 stops16h 16m

€427

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 1/4

20:20-10:20

2 stops33h 00m

Dublin

Wed 8/4

11:40-16:50

2 stops34h 10m

€451

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 Ireland from

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

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 Ireland?

The month of February is another great option to travel to Ireland, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around €515.

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

The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as €608. This is often the case because there is less demand to fly during this day of the week. 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 Ireland.

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

In the evening is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Ireland when you can find flight prices for as low as €626. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the afternoon when prices are around €687.

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

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

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

You are more likely to see cheaper flights to Ireland from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland 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 Ireland 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 Ireland flights?

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

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

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

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

Fastest flight time

6h 50m

Direct flights

Every day

Airports in Ireland

1 airport
The fastest flight from Washington, D.C. Dulles Intl Airport to Ireland takes 6h 50m
Direct flights go from Washington, D.C. Dulles Intl Airport to Ireland every day.
There is 1 airport near Ireland: Dublin (DUB)
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  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Ireland?

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Why use momondo?

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

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

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

Yes. All flights to Ireland 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 Ireland?

momondo provides multiple filters to help you find the best flight to Ireland from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Washington, D.C. to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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