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 TAP AIR PORTUGAL ($256), WestJet ($373), and Scandinavian Airlines ($404).

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 afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 $2,951, our data indicates the cheapest price to be $477. The most popular route (Washington, D.C. Dulles Intl - Dublin), is priced around $422.

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: Air Canada (91%), United Airlines (91%), SWISS (91%).

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, JetBlue or British Airways 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 65% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $697 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $859.

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 $686. 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.

$730+ Flights from Washington, D.C. Dulles Intl Airport to Ireland

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Cheap flight deals from Dulles Intl to Ireland

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$503 (CheapOair)
One-way from	$256 (Mytrip)
Popular in	June
Cheapest in	January
Average price	$562
Good round-trip deal	$743 or less
Good one-way deal	$529 or less

Provider with most accurate pricing for Washington, D.C. (WAS)-Dublin flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Dublin flights.

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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. 21% potential increase in price ($190 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).

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Average for round-trip flights in March 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 March 27, 2025.

Mon 5/510:05 pmIAD - DUB

1 stop32h 45mScandinavian Airlines

Fri 5/1612:40 pmDUB - IAD

1 stop12h 19mScandinavian Airlines

Deal found 3/25

$503

Wed 12/35:10 pmIAD - DUB

Nonstop6h 45mAer Lingus

Wed 12/104:10 pmDUB - IAD

Nonstop8h 05mAer Lingus

Deal found 3/26

$520

Mon 7/2810:20 pmIAD - DUB

1 stop14h 45mTAP AIR PORTUGAL

Mon 10/66:50 pmDUB - IAD

1 stop25h 30mTAP AIR PORTUGAL

Deal found 3/26

$521

Wed 5/710:05 pmIAD - DUB

2 stops19h 15mMultiple Airlines

Mon 5/126:30 amDUB - IAD

2 stops18h 29mMultiple Airlines

Deal found 3/26

$540

Sat 11/227:40 pmIAD - DUB

1 stop9h 35mIcelandair

Sat 11/2911:30 amDUB - IAD

1 stop11h 50mIcelandair

Deal found 3/26

$607

Wed 4/27:00 pmIAD - DUB

Nonstop7h 10mUnited Airlines

Wed 4/99:50 amDUB - IAD

2 stops31h 04mUnited Airlines

Deal found 3/26

$611

Tue 4/15:20 pmIAD - DUB

1 stop9h 55mAir Canada

Tue 4/89:50 amDUB - IAD

1 stop28h 56mAir Canada

Deal found 3/26

$630

Tue 4/11:48 pmIAD - DUB

1 stop13h 57mDelta

Tue 4/81:15 pmDUB - IAD

1 stop11h 26mDelta

Deal found 3/26

$642

Wed 5/2812:25 pmIAD - SNN

1 stop17h 45mKLM

Wed 6/111:05 pmSNN - IAD

1 stop11h 45mKLM

Deal found 3/25

$644

Wed 5/2812:39 pmIAD - SNN

2 stops17h 31mMultiple Airlines

Wed 6/111:05 pmSNN - IAD

2 stops15h 10mMultiple Airlines

Deal found 3/25

$649

Sat 3/293:00 pmIAD - DUB

1 stop16h 35mTurkish Airlines

Thu 4/31:35 pmDUB - IAD

1 stop27h 10mTurkish Airlines

Deal found 3/25

$655

Sun 7/1312:30 pmIAD - SNN

1 stop17h 40mDelta

Tue 7/291:05 pmSNN - IAD

1 stop27h 50mDelta

Deal found 3/25

$665

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 March 27, 2025.

Mon 5/510:05 pmIAD - DUB

1 stop32h 45mScandinavian Airlines

Fri 5/1612:40 pmDUB - IAD

1 stop12h 19mScandinavian Airlines

Deal found 3/25

$503

Mon 7/2810:20 pmIAD - DUB

1 stop14h 45mTAP AIR PORTUGAL

Mon 10/66:50 pmDUB - IAD

1 stop25h 30mTAP AIR PORTUGAL

Deal found 3/26

$521

Wed 5/710:05 pmIAD - DUB

2 stops19h 15mMultiple Airlines

Mon 5/126:30 amDUB - IAD

2 stops18h 29mMultiple Airlines

Deal found 3/26

$540

Wed 4/305:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Wed 5/74:35 pmDUB - IAD

Nonstop7h 55mAer Lingus

Deal found 3/26

$560

Wed 5/2812:25 pmIAD - SNN

1 stop17h 45mKLM

Wed 6/111:05 pmSNN - IAD

1 stop11h 45mKLM

Deal found 3/25

$644

Thu 4/241:30 pmIAD - DUB

1 stop18h 05mTurkish Airlines

Thu 5/14:55 pmDUB - IAD

1 stop31h 50mTurkish Airlines

Deal found 3/26

$660

Sun 7/1312:30 pmIAD - SNN

1 stop17h 40mDelta

Tue 7/291:05 pmSNN - IAD

1 stop27h 50mDelta

Deal found 3/25

$665

Sun 9/711:15 pmIAD - DUB

1 stop9h 00mIcelandair

Fri 9/1212:15 pmDUB - IAD

1 stop12h 05mIcelandair

Deal found 3/26

$676

Tue 7/158:30 amIAD - SNN

1 stop18h 00mUnited Airlines

Tue 7/299:30 amSNN - IAD

1 stop11h 40mUnited Airlines

Deal found 3/25

$704

Tue 8/199:45 amIAD - SNN

2 stops44h 35mAir Canada

Fri 8/297:40 amSNN - IAD

2 stops18h 21mAir Canada

Deal found 3/25

$840

Mon 7/149:03 amIAD - SNN

2 stops15h 22mAmerican Airlines

Fri 7/251:45 pmSNN - IAD

2 stops15h 13mAmerican Airlines

Deal found 3/26

$854

Mon 6/27:25 pmIAD - SNN

1 stop20h 10mBritish Airways

Thu 7/39:15 pmSNN - IAD

1 stop23h 40mBritish Airways

Deal found 3/26

$901

Last-minute flights from Dulles Intl to Ireland
Discover last-minute flight deals from Dulles Intl to Ireland. Data last updated March 27, 2025 and is based on user searches.

Fri 3/286:10 pmIAD - SNN

2 stops17h 35mAer Lingus

Mon 3/319:15 pmSNN - IAD

2 stops27h 15mAer Lingus

Deal found 3/26

$909

Sat 3/293:00 pmIAD - DUB

1 stop16h 35mTurkish Airlines

Thu 4/31:35 pmDUB - IAD

1 stop27h 10mTurkish Airlines

Deal found 3/25

$655

Tue 4/110:05 pmIAD - DUB

1 stop15h 10mScandinavian Airlines

Wed 4/307:05 pmDUB - IAD

1 stop29h 54mScandinavian Airlines

Deal found 3/26

$603

Tue 4/15:20 pmIAD - DUB

1 stop9h 55mAir Canada

Tue 4/89:50 amDUB - IAD

1 stop28h 56mAir Canada

Deal found 3/26

$630

Tue 4/11:48 pmIAD - DUB

1 stop13h 57mDelta

Tue 4/81:15 pmDUB - IAD

1 stop11h 26mDelta

Deal found 3/26

$642

Tue 4/11:52 pmIAD - DUB

2 stops13h 23mMultiple Airlines

Tue 4/89:00 amDUB - IAD

1 stop11h 50mMultiple Airlines

Deal found 3/26

$646

Tue 4/110:05 pmIAD - DUB

Nonstop7h 15mSWISS

Tue 4/81:00 pmDUB - IAD

1 stop32h 15mSWISS

Deal found 3/26

$675

Tue 4/110:05 pmIAD - DUB

Nonstop7h 15mLufthansa

Tue 4/89:00 amDUB - IAD

1 stop11h 50mLufthansa

Deal found 3/26

$676

Tue 4/11:53 pmIAD - DUB

2 stops13h 22mAir Canada

Tue 4/89:50 amDUB - IAD

1 stop28h 56mAir Canada

Deal found 3/26

$630

Wed 4/27:00 pmIAD - DUB

Nonstop7h 10mUnited Airlines

Wed 4/99:50 amDUB - IAD

2 stops31h 04mUnited Airlines

Deal found 3/26

$611

Wed 4/25:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Wed 4/912:50 pmDUB - IAD

Nonstop8h 00mAer Lingus

Deal found 3/26

$618

Wed 4/21:30 pmIAD - DUB

1 stop18h 05mTurkish Airlines

Thu 4/104:55 pmDUB - IAD

1 stop23h 50mTurkish Airlines

Deal found 3/25

$660

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 March 27, 2025.

Sun 8/175:45 pmIAD - DUB

1 stop19h 20mTAP AIR PORTUGAL

Deal found 3/26

$256

Thu 6/54:20 pmIAD - DUB

1 stop12h 40mMultiple Airlines

Deal found 3/26

$265

Tue 7/151:29 pmIAD - SNN

2 stops25h 51mMultiple Airlines

Deal found 3/26

$268

Thu 7/176:00 amIAD - DUB

2 stops23h 00mWestJet

Deal found 3/26

$373

Wed 5/2110:05 pmIAD - DUB

1 stop15h 10mScandinavian Airlines

Deal found 3/27

$404

Sun 9/711:35 amIAD - ORK

2 stops21h 00mMultiple Airlines

Deal found 3/26

$426

Mon 9/1510:40 pmIAD - DUB

1 stop14h 35mAer Lingus

Deal found 3/27

$453

Sun 7/2010:40 pmIAD - SNN

1 stop31h 40mAer Lingus

Deal found 3/26

$472

Mon 7/141:20 pmIAD - SNN

1 stop13h 10mUnited Airlines

Deal found 3/26

$488

Sat 8/238:30 pmIAD - DUB

1 stop9h 35mIcelandair

Deal found 3/26

$499

Thu 7/177:05 pmIAD - SNN

1 stop11h 05mAir France

Deal found 3/26

$548

Sat 6/284:20 pmIAD - DUB

1 stop14h 10mAir Transat

Deal found 3/26

$574

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

Mon 5/5

10:05 pm-11:50 am

1 stop32h 45m

Dublin

Fri 5/16

12:40 pm-7:59 pm

1 stop12h 19m

$503

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 7/28

10:20 pm-6:05 pm

1 stop14h 45m

Dublin

Mon 10/6

6:50 pm-3:20 pm

1 stop25h 30m

$521

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 5/7

10:05 pm-10:20 pm

2 stops19h 15m

Dublin

Mon 5/12

6:30 am-7:59 pm

2 stops18h 29m

$540

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 4/30

5:20 pm-5:10 am

Nonstop6h 50m

Dublin

Wed 5/7

4:35 pm-7:30 pm

Nonstop7h 55m

$560

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 5/28

12:25 pm-11:10 am

1 stop17h 45m

Shannon

Wed 6/11

1:05 pm-7:50 pm

1 stop11h 45m

$644

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Wed 5/28

12:25 pm-11:10 am

1 stop17h 45m

Shannon

Wed 6/11

1:05 pm-11:15 pm

2 stops15h 10m

$649

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Thu 4/24

1:30 pm-12:35 pm

1 stop18h 05m

Dublin

Thu 5/1

4:55 pm-7:45 pm

1 stop31h 50m

$660

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Sun 7/13

12:30 pm-11:10 am

1 stop17h 40m

Shannon

Tue 7/29

1:05 pm-11:55 am

1 stop27h 50m

$665

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 9/7

11:15 pm-1:15 pm

1 stop9h 00m

Dublin

Fri 9/12

12:15 pm-7:20 pm

1 stop12h 05m

$676

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 7/15

8:30 am-7:30 am

1 stop18h 00m

Shannon

Tue 7/29

9:30 am-4:10 pm

1 stop11h 40m

$704

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 48 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 $1,010). 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 7% on the cost of your flight, compared to a flight at noon.

Rainfall in Ireland by month

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.

Temperature in Ireland by month

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).

Reviews of airlines servicing Ireland

Read reviews from past customers who have flown Delta, KLM and Air Transat from Washington, D.C. to Ireland. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,895 reviews

Delta

8.0

Very good

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,319 reviews

Delta

8.0

Very good

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat

7.8

Good

381 reviews

Delta

8.0

Very good

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS

7.5

Good

1,569 reviews

Delta

8.0

Very good

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France

7.4

Good

1,424 reviews

Delta

8.0

Very good

7,895 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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 TAP AIR PORTUGAL ($256), WestJet ($373), and Scandinavian Airlines ($404).
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: Air Canada (91%), United Airlines (91%), SWISS (91%).
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 $2,951, our data indicates the cheapest price to be $477. The most popular route (Washington, D.C. Dulles Intl - Dublin), is priced around $422.
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 $1,010). 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

Dulles Intl to Charles de Gaulle flights

Baltimore to Heathrow flights

Dulles Intl to Leonardo da Vinci/Fiumicino flights

Dulles Intl to Athens flights

Dulles Intl to Madrid flights

Dulles Intl to Lisbon flights

Reagan-National to Heathrow flights

Dulles Intl to Gatwick flights

Dulles Intl to London City flights

Dulles Intl to Dublin flights

Dulles Intl to Istanbul flights

Dulles Intl to Barcelona-El Prat flights

Dulles Intl to Orly flights

Baltimore to Gatwick flights

Reagan-National to Gatwick flights

Baltimore to Charles de Gaulle flights

Reagan-National to Charles de Gaulle flights

Dulles Intl to Frankfurt flights

Dulles Intl to Amsterdam flights

Reagan-National to Leonardo da Vinci/Fiumicino flights

Baltimore to Stansted flights

Baltimore to Leonardo da Vinci/Fiumicino flights

Reagan-National to Orly flights

Reagan-National to Madrid flights

Dulles Intl to Edinburgh flights

Reagan-National to Athens flights

Baltimore to Madrid flights

Baltimore to Athens flights

Reagan-National to Lisbon flights

Dulles Intl to Keflavik Intl flights

Dulles Intl to Zurich flights

Baltimore to Lisbon flights

Dulles Intl to Vicenza flights

Dulles Intl to Malpensa flights

Dulles Intl to Bruxelles-National flights

Dulles Intl to Copenhagen flights

Reagan-National to Dublin flights

Baltimore to Dublin flights

Dulles Intl to Munich flights

Reagan-National to Istanbul flights

Dulles Intl to Linate flights

Reagan-National to Barcelona-El Prat flights

Baltimore to Barcelona-El Prat flights

Baltimore to Frankfurt flights

Baltimore to Keflavik Intl flights

Reagan-National to Malpensa flights

Baltimore to Istanbul flights

Reagan-National to London City flights

Reagan-National to Frankfurt flights

Top 10 airlines flying from Dulles Intl to Ireland

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$291	Average$432	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$303	Average$520	FlexibilityNo cancel fee	On-time77%
Icelandair	Cheapest$423	Average$748	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$473	Average$730	FlexibilityNo cancel fee	On-timeN/A
TAP AIR PORTUGAL	Cheapest$514	Average$644	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$534	Average$993	FlexibilityNo cancel fee	On-time70%
JetBlue	Cheapest$556	Average$1,040	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$653	Average$1,008	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$663	Average$953	FlexibilityNo cancel fee	On-time71%
Lufthansa	Cheapest$677	Average$1,001	FlexibilityNo cancel fee	On-time76%

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$256+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Ireland with Cheapflights

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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 March 27, 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 March 27, 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 March 27, 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 March 27, 2025.

Rainfall in Ireland by month

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Temperature in Ireland by month

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Reviews of airlines servicing Ireland

Read reviews from past customers who have flown Delta, KLM and Air Transat from Washington, D.C. to Ireland. In addition to providing an overall rating, users have also rated airlines in terms of 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.

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

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

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What is the cheapest month to book a flight 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 March 27, 2025.