Cheap flights from Washington, D.C. Dulles Intl Airport to Ireland from €135

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 15/2. 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 Washington, D.C. Dulles Intl Airport to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
22:30 - 23:20
IAD
-
DUB
19h 50m
1 stop
TAP AIR PORTUGAL Logo
17:05 - 14:35
DUB
-
IAD
26h 30m
1 stop
€392TAP AIR PORTUGAL
Wed, 18 Feb - Mon, 2 Mar
TAP AIR PORTUGAL Logo
22:35 - 18:05
IAD
-
DUB
14h 30m
1 stop
TAP AIR PORTUGAL Logo
10:45 - 20:35
DUB
-
IAD
14h 50m
1 stop
€397TAP AIR PORTUGAL
Sun, 26 Apr - Wed, 6 May
TAP AIR PORTUGAL Logo
22:35 - 18:05
IAD
-
DUB
14h 30m
1 stop
TAP AIR PORTUGAL Logo
10:45 - 20:35
DUB
-
IAD
14h 50m
1 stop
€398TAP AIR PORTUGAL
Sun, 26 Apr - Wed, 6 May
Scandinavian Airlines Logo
20:20 - 18:20
IAD
-
DUB
17h 00m
1 stop
Scandinavian Airlines Logo
10:15 - 16:50
DUB
-
IAD
11h 35m
1 stop
€399Scandinavian Airlines
Mon, 13 Apr - Sat, 25 Apr
Scandinavian Airlines Logo
20:20 - 18:20
IAD
-
DUB
17h 00m
1 stop
Scandinavian Airlines Logo
10:15 - 16:50
DUB
-
IAD
11h 35m
1 stop
€400Scandinavian Airlines
Sun, 12 Apr - Sat, 18 Apr
KLM Logo
17:40 - 10:20
IAD
-
ORK
11h 40m
1 stop
KLM Logo
10:50 - 15:35
ORK
-
IAD
33h 45m
1 stop
€507KLM
Sun, 5 Apr - Mon, 13 Apr
KLM Logo
17:40 - 10:20
IAD
-
ORK
11h 40m
1 stop
KLM Logo
10:50 - 15:35
ORK
-
IAD
33h 45m
1 stop
€549KLM
Sat, 4 Apr - Mon, 13 Apr
Delta Logo
17:40 - 10:20
IAD
-
ORK
11h 40m
1 stop
Delta Logo
10:50 - 23:32
ORK
-
IAD
17h 42m
2 stops
€558Delta
Sun, 5 Apr - Mon, 13 Apr
Delta Logo
18:05 - 16:45
IAD
-
ORK
17h 40m
1 stop
Delta Logo
06:00 - 18:19
ORK
-
IAD
17h 19m
2 stops
€560Delta
Sun, 1 Mar - Sun, 8 Mar
Air Europa Logo
18:05 - 10:45
IAD
-
ORK
11h 40m
1 stop
Air Europa Logo
17:15 - 16:05
ORK
-
IAD
27h 50m
1 stop
€570Air Europa
Sun, 22 Feb - Mon, 2 Mar

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

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Ireland flight tickets
Scandinavian Airlines
13 Apr
IAD20:20Washington, D.C. Dulles Intl
17h 00m
1 stop
DUB18:20Dublin
25 Apr
DUB10:15Dublin
11h 35m
1 stop
IAD16:50Washington, D.C. Dulles Intl
€398
Scandinavian Airlines
12 Apr
IAD20:20Washington, D.C. Dulles Intl
17h 00m
1 stop
DUB18:20Dublin
18 Apr
DUB10:15Dublin
11h 35m
1 stop
IAD16:50Washington, D.C. Dulles Intl
€400
Scandinavian Airlines
19 Apr
IAD20:20Washington, D.C. Dulles Intl
17h 00m
1 stop
DUB18:20Dublin
25 Apr
DUB19:05Dublin
26h 45m
1 stop
IAD16:50Washington, D.C. Dulles Intl
€402

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

Our best TAP AIR PORTUGAL deals on Washington, D.C. Dulles Intl Airport to Ireland flight tickets
TAP AIR PORTUGAL
18 Feb
IAD22:30Washington, D.C. Dulles Intl
19h 50m
1 stop
DUB23:20Dublin
2 Mar
DUB17:05Dublin
26h 30m
1 stop
IAD14:35Washington, D.C. Dulles Intl
€392
TAP AIR PORTUGAL
26 Apr
IAD22:35Washington, D.C. Dulles Intl
14h 30m
1 stop
DUB18:05Dublin
6 May
DUB10:45Dublin
14h 50m
1 stop
IAD20:35Washington, D.C. Dulles Intl
€397
TAP AIR PORTUGAL
26 Apr
IAD22:35Washington, D.C. Dulles Intl
14h 30m
1 stop
DUB18:05Dublin
6 May
DUB10:45Dublin
14h 50m
1 stop
IAD20:35Washington, D.C. Dulles Intl
€398

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 6 February 2026.
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

Wed 18/2

22:30-23:20

1 stop19h 50m

Dublin

Mon 2/3

17:05-14:35

1 stop26h 30m

€392

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 26/4

22:35-18:05

1 stop14h 30m

Dublin

Wed 6/5

10:45-20:35

1 stop14h 50m

€397

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 26/4

22:35-18:05

1 stop14h 30m

Dublin

Wed 6/5

10:45-20:35

1 stop14h 50m

€398

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 13/4

20:20-18:20

1 stop17h 00m

Dublin

Sat 25/4

10:15-16:50

1 stop11h 35m

€398

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 12/4

20:20-18:20

1 stop17h 00m

Dublin

Sat 18/4

10:15-16:50

1 stop11h 35m

€400

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Sun 5/4

17:40-10:20

1 stop11h 40m

Cork

Mon 13/4

10:50-15:35

1 stop33h 45m

€507

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Sat 4/4

17:40-10:20

1 stop11h 40m

Cork

Mon 13/4

10:50-15:35

1 stop33h 45m

€549

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Sun 5/4

17:40-10:20

1 stop11h 40m

Cork

Mon 13/4

10:50-23:32

2 stops17h 42m

€558

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Sun 1/3

18:05-16:45

1 stop17h 40m

Cork

Sun 8/3

06:00-18:19

2 stops17h 19m

€560

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Sun 22/2

18:05-10:45

1 stop11h 40m

Cork

Mon 2/3

17:15-16:05

1 stop27h 50m

€570

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 January is another great option to travel to Ireland, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around €505.

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 €606. 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 €618. 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 €618. 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 €678.

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 €601 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 €516 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?

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

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

77 airports
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 are 77 airports in Ireland. From Washington, D.C. Dulles Intl Airport there are direct flights to Dublin (DUB).
  • 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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