What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

What is the most punctual flight time for Washington, D.C. to Ireland flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

How many flights depart from Washington, D.C. Dulles Intl Airport to Ireland on average per day?

The number of flights available between Washington, D.C. Dulles Intl Airport and Ireland is 9 per day as of December 2025. The most frequent departure time is 17:00, with 61% of daily flights leaving in the evening.

How often are flights from Washington, D.C. to Ireland delayed?

Historically, on average around 20% of flights between Washington, D.C. and Ireland have experienced a delay on any given week. The average delay length over the past 12 months has been 166 minutes.

Which airline has the best punctuality record on Washington, D.C. to Ireland flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Ireland?

American Airlines, Air Canada, and British Airways are the most popular carriers operating from Washington, D.C. Dulles Intl to Ireland

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.

€198 Cheap Flights from Washington, D.C. Dulles Intl Airport to Ireland in 2025/26

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Ireland

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

20:30 - 18:20

IAD

DUB

16h 50m1 stop

20:20 - 17:15

DUB

IAD

49h 55m2 stops

€421Scandinavian Airlines

Wed, 11 Feb - Mon, 16 Feb

20:30 - 10:45

IAD

DUB

33h 15m2 stops

20:20 - 17:15

DUB

IAD

49h 55m2 stops

€422Scandinavian Airlines

Wed, 11 Feb - Mon, 16 Feb

22:35 - 10:00

IAD

DUB

30h 25m1 stop

18:50 - 20:35

DUB

IAD

30h 45m1 stop

€425TAP AIR PORTUGAL

Mon, 4 May - Mon, 11 May

17:30 - 23:20

IAD

DUB

24h 50m1 stop

17:05 - 14:35

DUB

IAD

26h 30m1 stop

€431TAP AIR PORTUGAL

Sat, 24 Jan - Mon, 2 Feb

21:45 - 15:25

IAD

ORK

12h 40m1 stop

11:55 - 15:35

ORK

IAD

32h 40m1 stop

€544American Airlines

Wed, 7 Jan - Mon, 12 Jan

18:20 - 21:00

IAD

ORK

21h 40m1 stop

07:40 - 19:55

ORK

IAD

17h 15m1 stop

€544American Airlines

Thu, 15 Jan - Thu, 22 Jan

18:50 - 15:00

IAD

ORK

15h 10m1 stop

13:25 - 16:05

ORK

IAD

31h 40m1 stop

€549KLM

Sat, 24 Jan - Mon, 2 Feb

17:40 - 16:35

IAD

ORK

17h 55m1 stop

17:10 - 15:35

ORK

IAD

27h 25m1 stop

€552KLM

Sun, 12 Apr - Sat, 18 Apr

19:40 - 14:10

IAD

SNN

13h 30m2 stops

17:30 - 18:30

SNN

IAD

30h 00m2 stops

€565Multiple Airlines

Mon, 23 Feb - Fri, 27 Feb

19:40 - 19:20

IAD

SNN

18h 40m2 stops

07:50 - 18:30

SNN

IAD

15h 40m2 stops

€577Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

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

11 Feb

IAD20:30Washington, D.C. Dulles Intl

33h 15m

2 stops

DUB10:45Dublin

17 Feb

DUB12:30Dublin

33h 45m

1 stop

IAD17:15Washington, D.C. Dulles Intl

€421

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Scandinavian Airlines

11 Feb

IAD20:30Washington, D.C. Dulles Intl

33h 15m

2 stops

DUB10:45Dublin

16 Feb

DUB20:20Dublin

49h 55m

2 stops

IAD17:15Washington, D.C. Dulles Intl

€422

Find similar

Scandinavian Airlines

21 Jan

IAD20:30Washington, D.C. Dulles Intl

16h 50m

1 stop

DUB18:20Dublin

28 Jan

DUB19:05Dublin

27h 10m

1 stop

IAD17:15Washington, D.C. Dulles Intl

€423

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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

4 May

IAD22:35Washington, D.C. Dulles Intl

30h 25m

1 stop

DUB10:00Dublin

11 May

DUB18:50Dublin

30h 45m

1 stop

IAD20:35Washington, D.C. Dulles Intl

€425

Find similar

TAP AIR PORTUGAL

24 Jan

IAD17:30Washington, D.C. Dulles Intl

24h 50m

1 stop

DUB23:20Dublin

2 Feb

DUB17:05Dublin

26h 30m

1 stop

IAD14:35Washington, D.C. Dulles Intl

€431

Find similar

TAP AIR PORTUGAL

22 Jan

IAD17:30Washington, D.C. Dulles Intl

24h 50m

1 stop

DUB23:20Dublin

28 Jan

DUB16:55Dublin

27h 20m

1 stop

IAD15:15Washington, D.C. Dulles Intl

€438

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Ireland that are best for you.

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Fly to

Route

Depart

Return

Price

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 11/2

20:30-18:20

1 stop16h 50m

Dublin

Mon 16/2

20:20-17:15

2 stops49h 55m

€421

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 11/2

20:30-10:45

2 stops33h 15m

Dublin

Mon 16/2

20:20-17:15

2 stops49h 55m

€422

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 4/5

22:35-10:00

1 stop30h 25m

Dublin

Mon 11/5

18:50-20:35

1 stop30h 45m

€425

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sat 24/1

17:30-23:20

1 stop24h 50m

Dublin

Mon 2/2

17:05-14:35

1 stop26h 30m

€431

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Wed 7/1

21:45-15:25

1 stop12h 40m

Cork

Mon 12/1

11:55-15:35

1 stop32h 40m

€544

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Thu 15/1

18:20-21:00

1 stop21h 40m

Cork

Thu 22/1

07:40-19:55

1 stop17h 15m

€544

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Sat 24/1

18:50-15:00

1 stop15h 10m

Cork

Mon 2/2

13:25-16:05

1 stop31h 40m

€549

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Sun 12/4

17:40-16:35

1 stop17h 55m

Cork

Sat 18/4

17:10-15:35

1 stop27h 25m

€552

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Mon 23/2

19:40-14:10

2 stops13h 30m

Shannon

Fri 27/2

17:30-18:30

2 stops30h 00m

€565

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sat 31/1

19:40-19:20

2 stops18h 40m

Shannon

Sat 7/2

07:50-18:30

2 stops15h 40m

€577

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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

Prices

Airlines

Delays

Other information

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 €518.

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 €610. 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 €622. 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 €622. 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 €683.

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 €611 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 €519 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	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).

Search flight deals

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?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Ireland, the leading plane model is Airbus A321neo, making up 28.06% of the total bookings. Other popular models include Boeing 757-200 with 25.07%, Boeing 777 with 13.18%, and Boeing 767-300 with 5.49%.

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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Popular Cities in Ireland

Flights to Dublinfrom €38

Flights to Corkfrom €87

Flights to Shannon, Clarefrom €89

Flights to Donegalfrom €76

Flights to Milltown (Kerry)from €38

Cheap flights from Washington, D.C. Dulles Intl Airport to Ireland from €198

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

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Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Ireland that are best for you.

See travel insights to Ireland from

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

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 €518.

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

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

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?

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.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Ireland?

American Airlines, Air Canada, and British Airways are the most popular carriers operating from Washington, D.C. Dulles Intl to Ireland

How often are flights from Washington, D.C. to Ireland delayed?

Historically, on average around 20% of flights between Washington, D.C. and Ireland have experienced a delay on any given week. The average delay length over the past 12 months has been 166 minutes.

What is the most punctual flight time for Washington, D.C. to Ireland flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Washington, D.C. to Ireland flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 16% of their flights experiencing any sort of delay.

How many flights depart from Washington, D.C. Dulles Intl Airport to Ireland on average per day?

The number of flights available between Washington, D.C. Dulles Intl Airport and Ireland is 9 per day as of December 2025. The most frequent departure time is 17:00, with 61% of daily flights leaving in the evening.

How many flights depart from Washington, D.C. Dulles Intl Airport to Ireland on average per week?

The number of flights available between Washington, D.C. Dulles Intl Airport and Ireland is 69 per week as of December 2025. The most frequent departure day is Mon, with 19% of weekly flights leaving on this day.

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

Direct flights

Airports in Ireland

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

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

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

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?

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

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

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

An easier way to manage your Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo