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$369+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DUB
Dec 28 — Jan 41
Sat 12/28
Sat 1/4
1 adult, Economy
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Cheap flight deals from Dulles Intl to Ireland

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Ireland (IE0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2024.

Round-trip from

$455
(Mytrip)

One-way from

$369
(Kissandfly.com)
From Washington, D.C. Dulles Intl to Ireland
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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 December 23, 2024.

This Gurufare deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/275:10 pmIAD - DUB
1 stop11h 15mScandinavian Airlines
Sat 1/1110:20 amDUB - IAD
1 stop34h 20mScandinavian Airlines
Deal found 12/22$785
This United Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2810:05 pmIAD - DUB
Nonstop7h 00mUnited Airlines
Fri 1/109:00 amDUB - IAD
2 stops31h 48mUnited Airlines
Deal found 12/21$797
This United deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2810:05 pmIAD - DUB
Nonstop7h 00mMultiple Airlines
Fri 1/106:40 pmDUB - IAD
1 stop26h 45mMultiple Airlines
Deal found 12/21$799
This Delta deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:00 amIAD - DUB
1 stop17h 25mDelta
Tue 1/75:55 amDUB - IAD
2 stops23h 27mDelta
Deal found 12/22$881
This Kiwi.com deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/298:45 pmIAD - DUB
1 stop16h 05mSWISS
Tue 1/712:55 pmDUB - IAD
2 stops30h 05mSWISS
Deal found 12/22$1,000
This Cheapflightsfares deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:20 pmIAD - DUB
2 stops19h 20mLufthansa
Tue 1/76:00 pmDUB - IAD
2 stops25h 00mLufthansa
Deal found 12/22$1,043
This American Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/288:45 pmIAD - DUB
Nonstop6h 45mAmerican Airlines
Fri 1/1012:30 pmDUB - IAD
Nonstop8h 10mAmerican Airlines
Deal found 12/21$1,133
This Air Canada deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/303:55 pmIAD - DUB
2 stops14h 20mAir Canada
Mon 1/62:15 pmDUB - IAD
2 stops24h 31mAir Canada
Deal found 12/22$1,263
This Aer Lingus deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/278:45 pmIAD - DUB
Nonstop6h 45mAer Lingus
Sun 1/512:30 pmDUB - IAD
Nonstop8h 10mAer Lingus
Deal found 12/22$1,395
This Gurufare deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/259:55 pmIAD - DUB
1 stop14h 05mBritish Airways
Mon 12/301:00 pmDUB - IAD
1 stop11h 45mBritish Airways
Deal found 12/22$1,408
This Gurufare deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2710:30 pmIAD - DUB
1 stop12h 40mTAP AIR PORTUGAL
Fri 1/104:25 amDUB - IAD
1 stop15h 35mTAP AIR PORTUGAL
Deal found 12/22$1,543
This KAYAK deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/309:55 pmIAD - ORK
1 stop18h 05mBritish Airways
Sun 1/55:35 pmORK - IAD
2 stops35h 27mBritish Airways
Deal found 12/22$1,732

Find flights from Dulles Intl to Ireland within your budget

Customize your flight search to find flights from Dulles Intl to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 1/22

10:30 pm-11:20 pm

1 stop19h 50m

Dublin

Mon 1/27

5:05 pm-2:30 pm

1 stop26h 25m

$455

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 1/20

5:10 pm-11:40 am

1 stop13h 30m

Dublin

Tue 1/28

12:30 pm-3:40 pm

1 stop32h 10m

$459

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 3/3

8:45 pm-8:30 am

Nonstop6h 45m

Dublin

Tue 3/11

12:30 pm-4:40 pm

Nonstop8h 10m

$502

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Thu 1/30

7:40 pm-10:15 am

1 stop9h 35m

Dublin

Thu 2/13

11:30 am-6:25 pm

1 stop11h 55m

$537

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 2/11

9:55 pm-7:35 pm

1 stop16h 40m

Dublin

Tue 2/18

8:30 pm-3:35 pm

1 stop24h 05m

$606

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 1/21

2:00 pm-3:25 pm

1 stop20h 25m

Dublin

Tue 1/28

2:40 pm-11:35 am

1 stop25h 55m

$611

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 3/2

6:00 pm-9:50 am

1 stop10h 50m

Dublin

Tue 3/11

1:20 pm-8:45 pm

1 stop11h 25m

$616

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 3/18

1:52 pm-11:30 am

2 stops17h 38m

Shannon

Tue 4/8

9:25 pm-4:22 pm

2 stops23h 57m

$636

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Tue 2/4

1:52 pm-3:25 pm

2 stops20h 33m

Cork

Tue 2/11

11:55 am-7:35 pm

2 stops36h 40m

$650

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Wed 2/5

5:35 pm-12:55 pm

1 stop14h 20m

Cork

Wed 2/12

6:00 am-3:45 pm

1 stop14h 45m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 26 results
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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.

Travel insights for flights from Dulles Intl to Ireland

Get recent, data-driven insights about flights from Dulles Intl to Ireland including ideal travel times, pricing trends, and more.

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 $1,016). 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?

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 December 23, 2024.

When flying from Washington, D.C. Dulles Intl Airport to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals 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

Plan your trip to Ireland by taking into account the average temperature totals 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

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated December 23, 2024.
Read reviews from past customers who have flown Scandinavian Airlines, TAP AIR PORTUGAL and Aer Lingus 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
8,588 reviews

Crew

8.6

Food

7.3

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

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

Delta
8.0
Very good
8,588 reviews
Delta
8.0
Very good
8,588 reviews

Crew

8.6

Food

7.3

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

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

KLM
7.8
Good
1,345 reviews
Delta
8.0
Very good
8,588 reviews

Crew

8.6

Food

7.3

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

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

United Airlines
7.4
Good
9,020 reviews
Delta
8.0
Very good
8,588 reviews

Crew

8.6

Food

7.3

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

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

Scandinavian Airlines
7.3
Good
1,309 reviews
Delta
8.0
Very good
8,588 reviews

Crew

8.6

Food

7.3

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,588 reviews

Crew

8.6

Food

7.3

Comfort

8.0

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

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

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?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Ireland are Icelandair ($369), TAP AIR PORTUGAL ($376), and Scandinavian Airlines ($389).

  • 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: American Airlines (87%), Aer Lingus (87%), British Airways (87%).

  • 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 $1,864, our data indicates the cheapest price to be $400. The most popular route (Washington, D.C. Dulles Intl - Dublin), is priced around $438.

  • 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 $1,016). 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.

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Alternative routes for Dulles Intl to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Heathrow flights
Dulles Intl to Charles de Gaulle flights
Baltimore to Heathrow flights
Dulles Intl to Istanbul flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Lisbon flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Dulles Intl to Madrid flights
Dulles Intl to London City flights
Dulles Intl to Athens flights
Dulles Intl to Dublin flights
Dulles Intl to Orly flights
Reagan-National to Charles de Gaulle flights
Baltimore to Charles de Gaulle flights
Dulles Intl to Frankfurt flights
Baltimore to Gatwick flights
Reagan-National to Gatwick flights
Dulles Intl to Amsterdam flights
Reagan-National to Orly flights
Reagan-National to Istanbul flights
Dulles Intl to Barcelona-El Prat flights
Dulles Intl to Keflavik Intl flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Baltimore to Leonardo da Vinci/Fiumicino flights
Baltimore to Istanbul flights
Baltimore to Stansted flights
Reagan-National to Madrid flights
Baltimore to Madrid flights
Dulles Intl to Bruxelles-National flights
Baltimore to Keflavik Intl flights
Baltimore to Lisbon flights
Dulles Intl to Zurich flights
Reagan-National to Lisbon flights
Reagan-National to Athens flights
Baltimore to Athens flights
Dulles Intl to Sabiha Gokcen flights
Reagan-National to Dublin flights
Baltimore to Dublin flights
Reagan-National to Keflavik Intl flights
Dulles Intl to Geneva flights
Dulles Intl to Malpensa flights
Dulles Intl to Copenhagen flights
Dulles Intl to Munich flights
Dulles Intl to Vicenza flights
Reagan-National to Barcelona-El Prat flights
Dulles Intl to Linate flights
Dulles Intl to Edinburgh flights
Baltimore to Barcelona-El Prat flights
Reagan-National to Frankfurt flights

Top 10 airlines flying from Dulles Intl to Ireland

Discover the top 10 airlines that operate flights from Dulles Intl to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$278Average$433FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$303Average$467FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$419Average$570FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$437Average$790FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$470Average$731FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$506Average$862FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$556Average$1,040FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$597Average$1,046FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$655Average$913FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$666Average$978FlexibilityNo cancel feeOn-time76%
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