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

Airlines like Scandinavian Airlines, United Airlines, and Lufthansa fly from Ireland to Washington, D.C. Dulles Intl Airport in about 11h 22m. The time it takes to get you to your destination can typically vary by up to 13h 58m. Airlines will cover a distance of 3296 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

The most popular route from Ireland to Washington, D.C. Dulles Intl Airport is Dublin - Washington, D.C. Dulles Intl. You may also consider Shannon - Washington, D.C. Dulles Intl or Cork - Washington, D.C. Dulles Intl.

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

While on average a flight from Ireland to Washington, D.C. Dulles Intl Airport is generally $784, our data shows the cheapest flight currently is $476. When looking at the most popular route, (Dublin - Washington, D.C. Dulles Intl), you can expect to pay $372 for that flight.

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

Before booking your flight to Washington, D.C. Dulles Intl Airport from Ireland, check out the most reliable airlines to get you to your destination on time: Iberia (72%), American Airlines (69%), Aer Lingus( 69%).

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

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

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

Leaving on a Tuesday 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 23% on the overall cost on flights from Ireland to Washington, D.C. Dulles Intl Airport.

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

Users have found that booking a flight from Ireland to Washington, D.C. Dulles Intl Airport at least 58 days early can save you up to 84% on average compared to booking a flight this week. If booking 58 days before your flight isn’t an option for you, users have found flights from Ireland to Washington, D.C. Dulles Intl Airport for as little as $536 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $625 for flights departing within the next 3 days.

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

The best pricing can be found in the month of January. Prices to Washington, D.C. Dulles Intl Airport from Ireland average $572. You can even find prices in January for less than $572, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as $274. The month of August appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from Ireland. Flying in the targeted month can save you up to 37%.

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

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

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

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

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

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

$339+ Cheap Flights from Ireland to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Ireland to Dulles Intl

Round-trip from	$347 (Mytrip)
One-way from	$339 (Mytrip)
Popular in	August
Cheapest in	January
Average price	$784
Good round-trip deal	$802 or less
Good one-way deal	$513 or less

From Ireland to Washington, D.C. Dulles Intl

Search Deals

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

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($92 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($20 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 Ireland to Washington, D.C. Dulles Intl.

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

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Find flight deals from Ireland to Dulles Intl

Cheapest flights from Ireland to Dulles Intl
Explore the most affordable flight options available from Ireland to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

Mon 10/67:05 pmDUB - IAD

1 stop29h 54mScandinavian Airlines

Mon 10/1310:05 pmIAD - DUB

1 stop32h 45mScandinavian Airlines

Deal found 8/18

$347

Thu 10/212:40 pmDUB - IAD

1 stop12h 19mScandinavian Airlines

Thu 10/910:05 pmIAD - DUB

2 stops56h 25mScandinavian Airlines

Deal found 8/17

$372

Fri 9/2612:15 pmDUB - IAD

1 stop12h 05mIcelandair

Tue 9/308:30 pmIAD - DUB

1 stop9h 35mIcelandair

Deal found 8/20

$377

Thu 9/252:15 pmDUB - IAD

1 stop10h 05mIcelandair

Tue 9/308:30 pmIAD - DUB

1 stop9h 35mIcelandair

Deal found 8/18

$382

Tue 10/287:05 pmDUB - IAD

1 stop27h 10mScandinavian Airlines

Thu 11/138:30 pmIAD - DUB

1 stop16h 50mScandinavian Airlines

Deal found 8/18

$393

Tue 10/287:05 pmDUB - IAD

1 stop27h 10mScandinavian Airlines

Mon 11/108:30 pmIAD - DUB

1 stop34h 15mScandinavian Airlines

Deal found 8/18

$394

Tue 10/712:40 pmDUB - IAD

1 stop12h 19mScandinavian Airlines

Wed 10/1510:05 pmIAD - DUB

1 stop32h 45mScandinavian Airlines

Deal found 8/18

$397

Wed 10/227:05 pmDUB - IAD

1 stop29h 54mScandinavian Airlines

Sat 11/88:30 pmIAD - DUB

1 stop34h 15mScandinavian Airlines

Deal found 8/18

$398

Mon 10/67:05 pmDUB - IAD

1 stop29h 54mScandinavian Airlines

Tue 10/1410:05 pmIAD - DUB

1 stop15h 10mScandinavian Airlines

Deal found 8/18

$399

Mon 9/19:30 amSNN - IAD

1 stop11h 22mUnited Airlines

Sun 9/73:55 pmIAD - SNN

1 stop10h 35mUnited Airlines

Deal found 8/19

$546

Mon 9/15:10 pmORK - IAD

1 stop25h 20mLufthansa

Sun 9/76:10 pmIAD - ORK

1 stop17h 15mLufthansa

Deal found 8/19

$555

Fri 10/312:30 pmSNN - IAD

1 stop13h 41mUnited Airlines

Fri 10/108:30 amIAD - SNN

1 stop20h 45mUnited Airlines

Deal found 8/19

$569

Best flights from Ireland to Dulles Intl
Discover carefully curated flight deals from Ireland to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2025.

Thu 10/212:40 pmDUB - IAD

1 stop12h 19mScandinavian Airlines

Thu 10/910:05 pmIAD - DUB

2 stops56h 25mScandinavian Airlines

Deal found 8/17

$372

Mon 9/19:30 amSNN - IAD

1 stop11h 22mUnited Airlines

Sun 9/73:55 pmIAD - SNN

1 stop10h 35mUnited Airlines

Deal found 8/19

$546

Mon 9/15:10 pmORK - IAD

1 stop25h 20mLufthansa

Sun 9/76:10 pmIAD - ORK

1 stop17h 15mLufthansa

Deal found 8/19

$555

Sat 10/45:10 pmORK - IAD

1 stop27h 25mMultiple Airlines

Sat 10/119:20 pmIAD - ORK

1 stop12h 20mMultiple Airlines

Deal found 8/20

$579

Wed 10/226:00 amORK - IAD

1 stop14h 35mDelta

Fri 10/317:05 pmIAD - ORK

1 stop13h 45mDelta

Deal found 8/20

$614

Fri 10/178:30 pmORK - IAD

2 stops24h 20mBritish Airways

Mon 10/205:20 pmIAD - ORK

2 stops12h 25mBritish Airways

Deal found 8/20

$644

Fri 10/177:20 amORK - IAD

1 stop17h 55mAer Lingus

Mon 10/205:50 pmIAD - ORK

1 stop11h 55mAer Lingus

Deal found 8/20

$656

Thu 9/41:05 pmSNN - IAD

2 stops15h 21mAir France

Mon 9/83:26 pmIAD - SNN

2 stops14h 44mAir France

Deal found 8/18

$663

Mon 2/168:20 pmDUB - IAD

2 stops49h 55mScandinavian Airlines

Thu 2/198:30 pmIAD - DUB

1 stop31h 55mScandinavian Airlines

Deal found 8/18

$372

Tue 10/287:05 pmDUB - IAD

1 stop27h 10mScandinavian Airlines

Thu 11/138:30 pmIAD - DUB

1 stop16h 50mScandinavian Airlines

Deal found 8/18

$393

Fri 12/57:05 pmDUB - IAD

1 stop28h 45mScandinavian Airlines

Mon 12/88:30 pmIAD - DUB

1 stop34h 15mScandinavian Airlines

Deal found 8/19

$393

Thu 10/912:40 pmDUB - IAD

1 stop12h 19mScandinavian Airlines

Mon 10/1310:05 pmIAD - DUB

1 stop15h 10mScandinavian Airlines

Deal found 8/17

$394

Last-minute flights from Ireland to Dulles Intl
Discover last-minute flight deals from Ireland to Dulles Intl. Data last updated August 20, 2025 and is based on user searches.

Mon 9/19:30 amSNN - IAD

1 stop11h 22mUnited Airlines

Sun 9/73:55 pmIAD - SNN

1 stop10h 35mUnited Airlines

Deal found 8/19

$546

Mon 9/15:10 pmORK - IAD

1 stop25h 20mLufthansa

Sun 9/76:10 pmIAD - ORK

1 stop17h 15mLufthansa

Deal found 8/19

$555

Thu 9/41:05 pmSNN - IAD

1 stop11h 38mDelta

Mon 9/88:23 pmIAD - SNN

1 stop9h 47mDelta

Deal found 8/18

$663

Fri 9/512:40 pmDUB - IAD

1 stop12h 19mScandinavian Airlines

Sun 9/710:05 pmIAD - DUB

1 stop15h 10mScandinavian Airlines

Deal found 8/17

$413

Thu 9/1112:40 pmDUB - IAD

1 stop12h 19mScandinavian Airlines

Fri 9/1910:05 pmIAD - DUB

2 stops32h 25mScandinavian Airlines

Deal found 8/18

$410

Thu 9/182:15 pmDUB - IAD

1 stop10h 05mIcelandair

Mon 9/298:30 pmIAD - DUB

1 stop11h 45mIcelandair

Deal found 8/20

$414

Thu 9/1812:20 pmDUB - IAD

2 stops36h 39mScandinavian Airlines

Mon 9/2910:05 pmIAD - DUB

2 stops31h 50mScandinavian Airlines

Deal found 8/20

$422

Fri 9/1911:45 amDUB - IAD

2 stops37h 14mScandinavian Airlines

Sun 9/2810:05 pmIAD - DUB

2 stops31h 50mScandinavian Airlines

Deal found 8/20

$425

Sat 9/208:05 pmDUB - IAD

2 stops28h 54mScandinavian Airlines

Fri 9/2610:05 pmIAD - DUB

1 stop30h 20mScandinavian Airlines

Deal found 8/19

$404

Mon 9/227:05 pmDUB - IAD

1 stop29h 54mScandinavian Airlines

Mon 10/610:05 pmIAD - DUB

1 stop15h 10mScandinavian Airlines

Deal found 8/18

$418

Thu 9/252:15 pmDUB - IAD

1 stop10h 05mIcelandair

Tue 9/308:30 pmIAD - DUB

1 stop9h 35mIcelandair

Deal found 8/18

$382

Fri 9/2612:15 pmDUB - IAD

1 stop12h 05mIcelandair

Tue 9/308:30 pmIAD - DUB

1 stop9h 35mIcelandair

Deal found 8/20

$377

One-way flights from Ireland to Dulles Intl
Search for one-way flight options from Ireland to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated August 20, 2025.

Tue 9/29:45 pmDUB - IAD

2 stops22h 35mMultiple Airlines

Deal found 8/19

$339

Mon 11/179:15 pmDUB - IAD

2 stops52h 45mMultiple Airlines

Deal found 8/18

$340

Wed 10/89:00 pmDUB - IAD

2 stops47h 20mMultiple Airlines

Deal found 8/19

$341

Sun 11/911:10 amDUB - IAD

1 stop33h 05mTAP AIR PORTUGAL

Deal found 8/19

$342

Tue 10/79:35 pmDUB - IAD

2 stops46h 45mMultiple Airlines

Deal found 8/19

$343

Tue 9/309:00 amDUB - IAD

2 stops35h 20mMultiple Airlines

Deal found 8/20

$344

Thu 9/46:15 amDUB - IAD

2 stops41h 04mMultiple Airlines

Deal found 8/18

$345

Wed 9/247:15 amDUB - IAD

2 stops37h 05mMultiple Airlines

Deal found 8/19

$347

Wed 10/159:50 pmDUB - IAD

2 stops28h 00mMultiple Airlines

Deal found 8/20

$349

Mon 11/35:05 pmDUB - IAD

1 stop26h 30mTAP AIR PORTUGAL

Deal found 8/18

$350

Thu 9/1810:00 pmDUB - IAD

2 stops22h 20mMultiple Airlines

Deal found 8/17

$351

Fri 9/196:00 amSNN - IAD

2 stops41h 24mMultiple Airlines

Deal found 8/18

$362

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 10/2

12:40 pm-7:59 pm

1 stop12h 19m

Washington, D.C. Dulles Intl

Thu 10/9

10:05 pm-11:30 am

2 stops56h 25m

$372

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 2/16

8:20 pm-5:15 pm

2 stops49h 55m

Washington, D.C. Dulles Intl

Thu 2/19

8:30 pm-9:25 am

1 stop31h 55m

$372

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 10/28

7:05 pm-6:15 pm

1 stop27h 10m

Washington, D.C. Dulles Intl

Thu 11/13

8:30 pm-6:20 pm

1 stop16h 50m

$393

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 12/5

7:05 pm-6:50 pm

1 stop28h 45m

Washington, D.C. Dulles Intl

Mon 12/8

8:30 pm-11:45 am

1 stop34h 15m

$393

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 10/9

12:40 pm-7:59 pm

1 stop12h 19m

Washington, D.C. Dulles Intl

Mon 10/13

10:05 pm-6:15 pm

1 stop15h 10m

$394

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 10/28

7:05 pm-6:15 pm

1 stop27h 10m

Washington, D.C. Dulles Intl

Sat 11/8

8:30 pm-11:45 am

1 stop34h 15m

$394

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 10/28

7:05 pm-6:15 pm

1 stop27h 10m

Washington, D.C. Dulles Intl

Mon 11/10

8:30 pm-11:45 am

1 stop34h 15m

$394

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 10/22

7:05 pm-7:59 pm

1 stop29h 54m

Washington, D.C. Dulles Intl

Sat 11/8

8:30 pm-11:45 am

1 stop34h 15m

$398

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 10/13

7:05 pm-7:59 pm

1 stop29h 54m

Washington, D.C. Dulles Intl

Thu 10/23

10:05 pm-9:25 am

1 stop30h 20m

$398

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 10/22

7:05 pm-7:59 pm

1 stop29h 54m

Washington, D.C. Dulles Intl

Mon 11/10

8:30 pm-6:20 pm

1 stop16h 50m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 43 results

...

Best time to book a flight from Ireland to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Ireland 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 Ireland to Washington, D.C. Dulles Intl Airport

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

Currently, July is the cheapest month in which you can book a flight from Ireland to Washington, D.C. Dulles Intl Airport (average of $303). Flying from Ireland to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 IE to IAD?

When flying from Ireland to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 17% versus a flight in the morning.

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

The most flights from IE0 to IAD are scheduled on a Monday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 on average).

Reviews of airlines servicing Dulles Intl

Peruse reviews from past customers who have flown with United Airlines, Aer Lingus, and Icelandair from Ireland to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,928 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Apr 2025

TPE - SFO

The boarding experience was okay. The dietary food choices were limited, the midway snacks were hard and dry. The seat was uncomfortable - stiff seat cushion, seat back kept springing back to the upright position, narrow seat width. Love the app and the ability to track my luggage. Flight crew was efficient.

United Airlines

7.4

Good

8,928 reviews

United Airlines

7.4

Good

8,928 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Apr 2025

TPE - SFO

Aer Lingus

7.1

Good

1,228 reviews

United Airlines

7.4

Good

8,928 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Apr 2025

TPE - SFO

Icelandair

7.0

Good

528 reviews

United Airlines

7.4

Good

8,928 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Apr 2025

TPE - SFO

Related info for your journey

How long is the flight from Ireland to Washington, D.C. Dulles Intl Airport?
Airlines like Scandinavian Airlines, United Airlines, and Lufthansa fly from Ireland to Washington, D.C. Dulles Intl Airport in about 11h 22m. The time it takes to get you to your destination can typically vary by up to 13h 58m. Airlines will cover a distance of 3296 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the most popular routes from Ireland to Washington, D.C. Dulles Intl Airport?
The most popular route from Ireland to Washington, D.C. Dulles Intl Airport is Dublin - Washington, D.C. Dulles Intl. You may also consider Shannon - Washington, D.C. Dulles Intl or Cork - Washington, D.C. Dulles Intl.
What are the most reliable airlines from Ireland to Washington, D.C. Dulles Intl Airport?
Before booking your flight to Washington, D.C. Dulles Intl Airport from Ireland, check out the most reliable airlines to get you to your destination on time: Iberia (72%), American Airlines (69%), Aer Lingus( 69%).
What are the cheapest flights from Ireland to Washington, D.C. Dulles Intl Airport?
While on average a flight from Ireland to Washington, D.C. Dulles Intl Airport is generally $784, our data shows the cheapest flight currently is $476. When looking at the most popular route, (Dublin - Washington, D.C. Dulles Intl), you can expect to pay $372 for that flight.
Can I find deals for flights from Ireland to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Ireland to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ireland to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Dulles Intl.
Can I find deals for business class flights from Ireland to Dulles Intl?
Yes. Cheapflights offers flight deals from Ireland to Dulles Intl 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 Ireland to Washington, D.C. Dulles Intl Airport?
Currently, July is the cheapest month in which you can book a flight from Ireland to Washington, D.C. Dulles Intl Airport (average of $303). Flying from Ireland to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Springfield

Fredericksburg

Gaithersburg

Towson

Linthicum Heights

Fairfax

Manassas

Falls Church

Laurel

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Oxon Hill

National Harbor

Dundalk

Waldorf

Bowie

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Ireland to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest$425	Average$608	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$446	Average$624	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$569	Average$798	FlexibilityNo cancel fee	On-time69%

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$339+ Cheap flights from Ireland to Dulles Intl (IAD)

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ireland to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Ireland to Dulles Intl

Keep the following information in mind while searching for Ireland to Dulles Intl flight deals. Data was last updated August 20, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Ireland to Dulles Intl

Cheapest flights from Ireland to Dulles IntlExplore the most affordable flight options available from Ireland to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

Explore the most affordable flight options available from Ireland to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Ireland to Dulles Intl

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

Cheapflights Insights

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

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

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

Find hourly flight availability from Ireland to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

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

Explore weekly flight availability from Ireland to Dulles Intl. 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 August 20, 2025.

Reviews of airlines servicing Dulles Intl

Related info for your journey

Find useful and relevant information for your journey from Ireland to Dulles Intl. 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 Ireland to Washington, D.C. Dulles Intl Airport?

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

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

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

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

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

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

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Alternative routes for Ireland to Dulles Intl

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Top 3 airlines flying from Ireland to Dulles Intl

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Cheapest flights from Ireland to Dulles Intl
Explore the most affordable flight options available from Ireland to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.