How long is the flight from Washington, D.C. Dulles Intl Airport to Ireland?

Airlines like United Airlines, American Airlines, and Aer Lingus fly from Washington, D.C. Dulles Intl Airport to Ireland in about 16h 10m. The time it takes to get you to your destination can typically vary by up to 11h 48m. The distance from Washington, D.C. Dulles Intl Airport to Ireland is about 3326 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Ireland one-way?

The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Ireland are WestJet ($227), TAP AIR PORTUGAL ($262), and United Airlines ($344).

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Ireland?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Ireland flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Ireland ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Ireland when rainfall is around 1.9 in.

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

What are the most popular routes from Washington, D.C. Dulles Intl Airport to Ireland?

The most popular flight routes from Washington, D.C. Dulles Intl Airport to Ireland are Washington, D.C. Dulles Intl - Dublin, Washington, D.C. Dulles Intl - Shannon and Washington, D.C. Dulles Intl - Cork.

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Ireland?

Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Ireland? While on average our users pay $1,897, our data indicates the cheapest price to be $313. The most popular route (Washington, D.C. Dulles Intl - Dublin), is priced around $377.

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Ireland?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Ireland on time: Iberia (62%), American Airlines (57%), Aer Lingus (57%).

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Ireland?

When booking a flight from Washington, D.C. Dulles Intl Airport to Ireland, you may want to consider flying on American Airlines, British Airways or Aer Lingus as they are the most popular for this route.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Ireland?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 20% on the overall cost on flights from Washington, D.C. Dulles Intl Airport to Ireland.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Ireland?

To save on the cost of your flight from Washington, D.C. Dulles Intl Airport to Ireland, book at least 36 days before your planned departure. Booking around this time can save you about 44% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $592 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $908.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Ireland?

January can be a great time to fly to Ireland from Washington, D.C. Dulles Intl Airport with a flight ticket averaging about $661. Cheapflights users have found deals in the month of January for as cheap as $276. The most expensive prices can be found in the month of June.

Can I find deals for flights from Dulles Intl to Ireland that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Ireland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Ireland.

Can I find deals for business class flights from Dulles Intl to Ireland?

Yes. Cheapflights offers flight deals from Dulles Intl to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$227+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Ireland

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Cheap flight deals from Dulles Intl to Ireland

Round-trip from	$457 (United Airlines)
One-way from	$227 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$649
Good round-trip deal	$566 or less
Good one-way deal	$426 or less

From Washington, D.C. Dulles Intl to Ireland

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One-way flight from Washington, D.C. Dulles Intl to Ireland

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($89 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Ireland.

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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Ireland.

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Find flight deals from Dulles Intl to Ireland

Cheapest flights from Dulles Intl to Ireland
Explore the most affordable flight options available from Dulles Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 18, 2025.

vie. 10/316:05 pmIAD - DUB

Nonstop6h 50mAer Lingus

mar. 11/44:20 pmDUB - IAD

Nonstop8h 10mAer Lingus

Deal found 8/18

$456

sáb. 11/810:35 pmIAD - DUB

1 stop28h 35mUnited Airlines

dom. 11/169:00 amDUB - IAD

2 stops41h 22mUnited Airlines

Deal found 8/16

$457

lun. 8/188:45 pmIAD - DUB

1 stop16h 05mMultiple Airlines

mar. 8/269:50 amDUB - IAD

2 stops16h 11mMultiple Airlines

Deal found 8/17

$458

mié. 11/199:00 pmIAD - DUB

Nonstop6h 50mAer Lingus

dom. 11/234:20 pmDUB - IAD

Nonstop8h 10mAer Lingus

Deal found 8/17

$459

dom. 11/25:05 pmIAD - DUB

Nonstop6h 50mAer Lingus

sáb. 11/84:20 pmDUB - IAD

Nonstop8h 10mAer Lingus

Deal found 8/17

$460

dom. 9/145:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

dom. 9/214:00 pmDUB - IAD

Nonstop7h 55mAer Lingus

Deal found 8/17

$461

dom. 10/198:25 pmIAD - DUB

Nonstop6h 50mAer Lingus

sáb. 11/112:15 pmDUB - IAD

Nonstop8h 20mAer Lingus

Deal found 8/17

$462

sáb. 9/135:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

mar. 9/234:35 pmDUB - IAD

Nonstop7h 55mAer Lingus

Deal found 8/17

$463

dom. 10/1910:15 pmIAD - DUB

Nonstop7h 05mUnited Airlines

sáb. 11/18:00 amDUB - IAD

1 stop11h 54mUnited Airlines

Deal found 8/18

$464

lun. 10/207:05 pmIAD - DUB

Nonstop7h 05mMultiple Airlines

dom. 11/25:55 pmDUB - IAD

1 stop31h 10mMultiple Airlines

Deal found 8/18

$465

dom. 9/215:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

dom. 9/2812:50 pmDUB - IAD

Nonstop8h 00mAer Lingus

Deal found 8/17

$466

mar. 10/145:00 pmIAD - DUB

1 stop25h 55mTAP AIR PORTUGAL

lun. 10/206:50 pmDUB - IAD

1 stop25h 30mTAP AIR PORTUGAL

Deal found 8/16

$467

Best flights from Dulles Intl to Ireland
Discover carefully curated flight deals from Dulles Intl to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated agosto 18, 2025.

sáb. 11/810:12 pmIAD - DUB

2 stops27h 58mUnited Airlines

dom. 11/169:00 amDUB - IAD

2 stops31h 52mUnited Airlines

Deal found 8/16

$457

mar. 11/115:05 pmIAD - DUB

Nonstop6h 50mAer Lingus

dom. 11/164:20 pmDUB - IAD

Nonstop8h 10mAer Lingus

Deal found 8/18

$459

mar. 9/305:20 pmIAD - KIR

1 stop11h 40mMultiple Airlines

mar. 10/711:25 amKIR - IAD

1 stop13h 05mMultiple Airlines

Deal found 8/16

$569

dom. 9/1410:40 pmIAD - ORK

1 stop16h 10mAmerican Airlines

mar. 9/307:20 amORK - IAD

1 stop17h 50mAmerican Airlines

Deal found 8/17

$602

vie. 11/76:20 pmIAD - ORK

1 stop16h 05mBritish Airways

mar. 11/1111:55 amORK - IAD

1 stop13h 00mBritish Airways

Deal found 8/17

$662

dom. 11/25:05 pmIAD - DUB

Nonstop6h 50mAer Lingus

sáb. 11/812:15 pmDUB - IAD

Nonstop8h 20mAer Lingus

Deal found 8/18

$460

vie. 8/227:05 pmIAD - DUB

Nonstop7h 05mUnited Airlines

lun. 8/259:20 amDUB - IAD

1 stop30h 53mUnited Airlines

Deal found 8/18

$461

lun. 9/88:25 pmIAD - DUB

Nonstop6h 50mAer Lingus

lun. 9/224:00 pmDUB - IAD

Nonstop7h 55mAer Lingus

Deal found 8/18

$461

mar. 11/118:30 amIAD - DUB

2 stops17h 40mUnited Airlines

dom. 11/169:00 amDUB - IAD

2 stops31h 52mUnited Airlines

Deal found 8/18

$462

jue. 9/188:25 pmIAD - DUB

Nonstop6h 50mAer Lingus

mar. 9/234:35 pmDUB - IAD

Nonstop7h 55mAer Lingus

Deal found 8/17

$463

lun. 10/1310:45 pmIAD - ORK

1 stop11h 30mAmerican Airlines

dom. 10/197:20 amORK - IAD

1 stop18h 00mAmerican Airlines

Deal found 8/17

$660

jue. 9/118:45 pmIAD - ORK

1 stop14h 15mMultiple Airlines

lun. 9/155:10 pmORK - IAD

1 stop25h 20mMultiple Airlines

Deal found 8/17

$675

Last-minute flights from Dulles Intl to Ireland
Discover last-minute flight deals from Dulles Intl to Ireland. Data last updated agosto 18, 2025 and is based on user searches.

lun. 8/188:45 pmIAD - DUB

1 stop16h 05mMultiple Airlines

mar. 8/269:50 amDUB - IAD

2 stops16h 11mMultiple Airlines

Deal found 8/17

$458

lun. 8/183:25 pmIAD - DUB

1 stop11h 45mLufthansa

mar. 8/265:55 amDUB - IAD

1 stop14h 55mLufthansa

Deal found 8/17

$469

lun. 8/1810:19 pmIAD - SNN

1 stop28h 11mUnited Airlines

lun. 8/259:30 amSNN - IAD

1 stop13h 00mUnited Airlines

Deal found 8/17

$512

mar. 8/1910:20 pmIAD - DUB

1 stop15h 55mMultiple Airlines

mar. 8/269:50 amDUB - IAD

2 stops16h 11mMultiple Airlines

Deal found 8/18

$459

jue. 8/2110:10 pmIAD - DUB

1 stop30h 35mUnited Airlines

lun. 8/259:50 amDUB - IAD

2 stops35h 38mUnited Airlines

Deal found 8/17

$460

vie. 8/227:05 pmIAD - DUB

Nonstop7h 05mUnited Airlines

lun. 8/258:50 amDUB - IAD

Nonstop8h 00mUnited Airlines

Deal found 8/18

$473

sáb. 9/135:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

mar. 9/234:35 pmDUB - IAD

Nonstop7h 55mAer Lingus

Deal found 8/17

$463

dom. 9/145:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

dom. 9/214:00 pmDUB - IAD

Nonstop7h 55mAer Lingus

Deal found 8/17

$461

dom. 9/215:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

dom. 9/2812:50 pmDUB - IAD

Nonstop8h 00mAer Lingus

Deal found 8/17

$466

dom. 9/2110:05 pmIAD - DUB

1 stop15h 10mScandinavian Airlines

lun. 10/67:05 pmDUB - IAD

1 stop29h 54mScandinavian Airlines

Deal found 8/17

$474

mar. 9/3010:05 pmIAD - DUB

1 stop15h 10mScandinavian Airlines

mar. 10/77:05 pmDUB - IAD

1 stop29h 54mScandinavian Airlines

Deal found 8/16

$480

mar. 9/305:20 pmIAD - KIR

1 stop11h 40mMultiple Airlines

mar. 10/711:25 amKIR - IAD

1 stop13h 05mMultiple Airlines

Deal found 8/16

$569

One-way flights from Dulles Intl to Ireland
Search for one-way flight options from Dulles Intl to Ireland. Find affordable one-way fares based on user searches. Data last updated agosto 18, 2025.

vie. 10/36:45 pmIAD - DUB

1 stop35h 05mWestJet

Deal found 8/17

$227

lun. 10/139:28 pmIAD - DUB

2 stops55h 07mMultiple Airlines

Deal found 8/16

$231

mar. 9/235:00 pmIAD - DUB

1 stop25h 55mTAP AIR PORTUGAL

Deal found 8/17

$262

mié. 9/245:50 pmIAD - DUB

1 stop25h 15mTAP AIR PORTUGAL

Deal found 8/17

$263

mar. 9/1610:20 pmIAD - DUB

2 stops28h 10mMultiple Airlines

Deal found 8/17

$264

lun. 9/87:14 pmIAD - DUB

3 stops41h 36mMultiple Airlines

Deal found 8/17

$267

lun. 9/155:45 pmIAD - DUB

2 stops32h 45mMultiple Airlines

Deal found 8/18

$269

mar. 9/2310:20 pmIAD - DUB

2 stops29h 10mMultiple Airlines

Deal found 8/18

$270

jue. 10/306:30 pmIAD - DUB

3 stops40h 20mMultiple Airlines

Deal found 8/17

$277

jue. 10/2310:20 pmIAD - ORK

3 stops36h 05mMultiple Airlines

Deal found 8/18

$277

lun. 10/610:20 pmIAD - DUB

1 stop30h 40mTAP AIR PORTUGAL

Deal found 8/18

$278

mar. 9/1610:20 pmIAD - SNN

2 stops17h 00mMultiple Airlines

Deal found 8/17

$284

Cheapflights 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.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

sáb. 11/8

10:12 pm-7:10 am

2 stops27h 58m

Dublin

dom. 11/16

9:00 am-11:52 am

2 stops31h 52m

$457

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

mar. 11/11

5:05 pm-4:55 am

Nonstop6h 50m

Dublin

dom. 11/16

4:20 pm-7:30 pm

Nonstop8h 10m

$459

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

dom. 11/2

5:05 pm-4:55 am

Nonstop6h 50m

Dublin

sáb. 11/8

12:15 pm-3:35 pm

Nonstop8h 20m

$460

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

vie. 8/22

7:05 pm-7:10 am

Nonstop7h 05m

Dublin

lun. 8/25

9:20 am-11:13 am

1 stop30h 53m

$461

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

lun. 9/8

8:25 pm-8:15 am

Nonstop6h 50m

Dublin

lun. 9/22

4:00 pm-6:55 pm

Nonstop7h 55m

$461

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

mar. 11/11

8:30 am-7:10 am

2 stops17h 40m

Dublin

dom. 11/16

9:00 am-11:52 am

2 stops31h 52m

$462

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

jue. 9/18

8:25 pm-8:15 am

Nonstop6h 50m

Dublin

mar. 9/23

4:35 pm-7:30 pm

Nonstop7h 55m

$463

Washington, D.C.Milltown (Kerry)

IAD - KIR

IADKIR

Washington, D.C. Dulles Intl

mar. 9/30

5:20 pm-10:00 am

1 stop11h 40m

Milltown (Kerry) Kerry

mar. 10/7

11:25 am-7:30 pm

1 stop13h 05m

$569

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

lun. 9/1

6:20 am-10:15 am

1 stop22h 55m

Shannon

mar. 9/16

12:30 pm-8:41 pm

1 stop13h 11m

$596

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

dom. 9/14

10:40 pm-7:50 pm

1 stop16h 10m

Cork

mar. 9/30

7:20 am-8:10 pm

1 stop17h 50m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 51 results

...

Best time to book a flight from Dulles Intl to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Dulles Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Ireland

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Ireland?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Ireland (average of $509). Flying from Washington, D.C. Dulles Intl Airport to Ireland in June is currently the most expensive (average of $925). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to IE?

It’s optimal to fly from Washington, D.C. Dulles Intl Airport to Ireland in the morning. By choosing this option you can save up to 1% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Ireland

The most flights from IAD to IE0 are scheduled on a Monday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

Reviews of airlines servicing Ireland

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Ireland, such as United Airlines, American Airlines, and Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,925 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,925 reviews

United Airlines

7.4

Good

8,925 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,925 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Aer Lingus

7.2

Good

1,220 reviews

United Airlines

7.4

Good

8,925 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Icelandair

7.0

Good

527 reviews

United Airlines

7.4

Good

8,925 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

PLAY

7.0

Good

103 reviews

United Airlines

7.4

Good

8,925 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

How long is the flight from Washington, D.C. Dulles Intl Airport to Ireland?
Airlines like United Airlines, American Airlines, and Aer Lingus fly from Washington, D.C. Dulles Intl Airport to Ireland in about 16h 10m. The time it takes to get you to your destination can typically vary by up to 11h 48m. The distance from Washington, D.C. Dulles Intl Airport to Ireland is about 3326 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Ireland one-way?
The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Ireland are WestJet ($227), TAP AIR PORTUGAL ($262), and United Airlines ($344).
What are the most popular routes from Washington, D.C. Dulles Intl Airport to Ireland?
The most popular flight routes from Washington, D.C. Dulles Intl Airport to Ireland are Washington, D.C. Dulles Intl - Dublin, Washington, D.C. Dulles Intl - Shannon and Washington, D.C. Dulles Intl - Cork.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Ireland?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Ireland on time: Iberia (62%), American Airlines (57%), Aer Lingus (57%).
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Ireland?
Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Ireland? While on average our users pay $1,897, our data indicates the cheapest price to be $313. The most popular route (Washington, D.C. Dulles Intl - Dublin), is priced around $377.
Can I find deals for flights from Dulles Intl to Ireland that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Ireland.
Can I find deals for business class flights from Dulles Intl to Ireland?
Yes. Cheapflights offers flight deals from Dulles Intl to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Ireland?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Ireland (average of $509). Flying from Washington, D.C. Dulles Intl Airport to Ireland in June is currently the most expensive (average of $925). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Ireland

Dulles Intl to Heathrow flights

Baltimore to Heathrow flights

Dulles Intl to Charles de Gaulle flights

Dulles Intl to Leonardo da Vinci/Fiumicino flights

Dulles Intl to Madrid flights

Dulles Intl to Lisbon flights

Dulles Intl to Istanbul flights

Dulles Intl to Gatwick flights

Reagan-National to Heathrow flights

Dulles Intl to London City flights

Dulles Intl to Dublin flights

Reagan-National to Madrid flights

Dulles Intl to Athens flights

Baltimore to Gatwick flights

Baltimore to Madrid flights

Dulles Intl to Frankfurt flights

Dulles Intl to Orly flights

Dulles Intl to Barcelona-El Prat flights

Baltimore to Charles de Gaulle flights

Reagan-National to Charles de Gaulle flights

Dulles Intl to Keflavik Intl flights

Reagan-National to Gatwick flights

Dulles Intl to Edinburgh flights

Baltimore to Leonardo da Vinci/Fiumicino flights

Dulles Intl to Munich flights

Reagan-National to Leonardo da Vinci/Fiumicino flights

Baltimore to Dublin flights

Reagan-National to Orly flights

Baltimore to Lisbon flights

Dulles Intl to Amsterdam flights

Reagan-National to Istanbul flights

Baltimore to Keflavik Intl flights

Reagan-National to Dublin flights

Reagan-National to Lisbon flights

Dulles Intl to Zurich flights

Dulles Intl to Stansted flights

Reagan-National to Keflavik Intl flights

Dulles Intl to Luton flights

Dulles Intl to Bruxelles-National flights

Dulles Intl to Vienna flights

Baltimore to Istanbul flights

Baltimore to Stansted flights

Baltimore to Frankfurt flights

Baltimore to Barcelona-El Prat flights

Dulles Intl to Malpensa flights

Reagan-National to Barcelona-El Prat flights

Dulles Intl to Sabiha Gokcen flights

Baltimore to Athens flights

Reagan-National to Frankfurt flights

Reagan-National to Athens flights

Top 10 airlines flying from Dulles Intl to Ireland

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$282	Average$415	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$330	Average$488	FlexibilityNo cancel fee	On-time77%
Icelandair	Cheapest$424	Average$671	FlexibilityNo cancel fee	On-time76%
TAP AIR PORTUGAL	Cheapest$428	Average$587	FlexibilityNo cancel fee	On-timeN/A
Aer Lingus	Cheapest$469	Average$686	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$484	Average$780	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$539	Average$781	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$547	Average$877	FlexibilityNo cancel fee	On-time71%
KLM	Cheapest$643	Average$645	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$644	Average$936	FlexibilityNo cancel fee	On-timeN/A

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$227+ Cheap flights from Dulles Intl (IAD) to Ireland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Dulles Intl to Ireland

Keep the following information in mind while searching for Dulles Intl to Ireland flight deals. Data was last updated agosto 18, 2025.

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Cheapest flights from Dulles Intl to IrelandExplore the most affordable flight options available from Dulles Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 18, 2025.

Explore the most affordable flight options available from Dulles Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 18, 2025.

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Best time to book a flight from Dulles Intl to Ireland

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Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Ireland

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Ireland?

What is the cheapest time of day to fly from IAD to IE?

Find hourly flight availability from Dulles Intl to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 18, 2025.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Ireland

Explore weekly flight availability from Dulles Intl to Ireland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated agosto 18, 2025.

Reviews of airlines servicing Ireland

Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Ireland, such as United Airlines, American Airlines, and Aer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Washington, D.C. Dulles Intl Airport to Ireland?

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What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Ireland?

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Alternative routes for Dulles Intl to Ireland

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Top 10 airlines flying from Dulles Intl to Ireland

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Cheapest flights from Dulles Intl to Ireland
Explore the most affordable flight options available from Dulles Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 18, 2025.