Ireland

$320+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DUB
Jan 26 — Feb 21
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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 January 21, 2025.

Round-trip from

$448
(oojo)

One-way from

$320
(oojo)

Good round-trip deal

$641 or less

Good one-way deal

$489 or less
From Washington, D.C. Dulles Intl to Ireland
One-way flight from Washington, D.C. Dulles Intl to Ireland
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Ireland.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Ireland.

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 January 21, 2025.

This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2010:20 pmIAD - DUB
1 stop14h 45mTAP AIR PORTUGAL
Fri 5/165:30 amDUB - IAD
1 stop15h 50mTAP AIR PORTUGAL
Deal found 1/20$448
This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:45 pmIAD - DUB
Nonstop6h 45mAer Lingus
Tue 11/412:30 pmDUB - IAD
Nonstop8h 10mAer Lingus
Deal found 1/21$451
This CrystalTravel deal was found by Cheapflights users on 1/20. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/88:30 pmIAD - DUB
1 stop9h 35mIcelandair
Thu 5/12:15 pmDUB - IAD
1 stop10h 05mIcelandair
Deal found 1/20$462
This Gotogate deal was found by Cheapflights users on 1/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/110:05 pmIAD - DUB
1 stop15h 10mScandinavian Airlines
Mon 4/147:05 pmDUB - IAD
1 stop29h 54mScandinavian Airlines
Deal found 1/20$477
This Delta deal was found by Cheapflights users on 1/20. 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.
Mon 1/2712:31 pmIAD - DUB
2 stops15h 14mDelta
Tue 2/410:45 amDUB - IAD
2 stops17h 28mDelta
Deal found 1/20$481
This KLM deal was found by Cheapflights users on 1/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2912:05 pmIAD - DUB
1 stop15h 40mKLM
Mon 2/35:25 pmDUB - IAD
1 stop27h 20mKLM
Deal found 1/20$494
This British Airways deal was found by Cheapflights users on 1/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/287:00 pmIAD - DUB
1 stop11h 15mMultiple Airlines
Tue 11/48:40 amDUB - IAD
1 stop11h 55mMultiple Airlines
Deal found 1/21$497
This Iberia deal was found by Cheapflights users on 1/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/279:55 pmIAD - DUB
1 stop14h 10mBritish Airways
Tue 2/41:20 pmDUB - IAD
1 stop11h 25mBritish Airways
Deal found 1/20$498
This KLM deal was found by Cheapflights users on 1/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/45:35 pmIAD - ORK
1 stop14h 20mKLM
Tue 3/116:00 amORK - IAD
1 stop14h 45mKLM
Deal found 1/21$513
This Delta deal was found by Cheapflights users on 1/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/412:29 pmIAD - ORK
2 stops19h 26mDelta
Tue 3/116:00 amORK - IAD
1 stop14h 45mDelta
Deal found 1/21$517
This Aeromexico deal was found by Cheapflights users on 1/20. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:59 pmIAD - DUB
2 stops14h 01mAir France
Wed 4/231:15 pmDUB - IAD
2 stops15h 54mAir France
Deal found 1/20$594
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 2/185:26 pmIAD - SNN
2 stops18h 19mAmerican Airlines
Tue 2/257:45 amSNN - IAD
2 stops21h 08mAmerican Airlines
Deal found 1/21$605

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 4/20

10:20 pm-6:05 pm

1 stop14h 45m

Dublin

Fri 5/16

5:30 am-4:20 pm

1 stop15h 50m

$448

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 3/5

5:10 pm-4:55 am

Nonstop6h 45m

Dublin

Mon 3/17

4:10 pm-8:15 pm

Nonstop8h 05m

$461

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 4/8

8:30 pm-11:05 am

1 stop9h 35m

Dublin

Thu 5/1

2:15 pm-7:20 pm

1 stop10h 05m

$462

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 4/1

10:05 pm-6:15 pm

1 stop15h 10m

Dublin

Mon 4/14

7:05 pm-7:59 pm

1 stop29h 54m

$477

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 2/3

12:05 pm-8:45 am

1 stop15h 40m

Dublin

Wed 2/26

12:00 pm-9:05 pm

1 stop14h 05m

$490

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 3/11

7:59 pm-8:45 am

1 stop8h 46m

Dublin

Mon 3/24

1:25 pm-4:45 pm

1 stop31h 20m

$492

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 2/11

6:00 pm-9:40 am

1 stop10h 40m

Dublin

Thu 2/20

8:40 am-3:35 pm

1 stop11h 55m

$499

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Tue 3/4

5:35 pm-12:55 pm

1 stop14h 20m

Cork

Tue 3/11

6:00 am-4:45 pm

1 stop14h 45m

$513

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Tue 3/4

12:29 pm-12:55 pm

2 stops19h 26m

Cork

Tue 3/11

6:00 am-4:45 pm

1 stop14h 45m

$517

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Fri 2/28

9:55 pm-7:45 pm

1 stop16h 50m

Dublin

Thu 3/6

8:30 pm-3:35 pm

1 stop24h 05m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 49 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 January 21, 2025.

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.

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 January 21, 2025.

The most flights from IAD to IE0 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 January 21, 2025.
Read reviews from past customers who have flown TAP AIR PORTUGAL, Aer Lingus and Icelandair 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.
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

8.0
Very good
8,521 reviews
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

7.8
Good
1,341 reviews
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

7.4
Good
1,490 reviews
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

7.4
Good
8,985 reviews
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

7.3
Good
1,320 reviews
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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 ($320), Aer Lingus ($368), and TAP AIR PORTUGAL ($378).

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

  • 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 (80%), United Airlines (80%), Lufthansa (80%).

  • 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 $1,300, our data indicates the cheapest price to be $424. The most popular route (Washington, D.C. Dulles Intl - Dublin), is priced around $362.

  • 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.

See more FAQs

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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.

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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$283Average$432FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$303Average$496FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$456Average$830FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$470Average$759FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$506Average$967FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$556Average$1,040FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$597Average$1,051FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$655Average$910FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$666Average$987FlexibilityNo cancel feeOn-time76%
DeltaCheapest$857Average$1,027FlexibilityNo cancel feeOn-timeN/A
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