$435+ 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 5/10. 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
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 abril 29, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $568 (Aer Lingus) |
One-way from | $435 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $796 |
Good round-trip deal | $698 or less |
Good one-way deal | $489 or less |
Find flight deals from Dulles Intl to Ireland
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 abril 29, 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 abril 29, 2025.
This American Airlines deal was found by Cheapflights users on 4/29. 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.
This Aer Lingus deal was found by Cheapflights users on 4/29. 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.
This Icelandair deal was found by Cheapflights users on 4/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United deal was found by Cheapflights users on 4/28. 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.
This Delta deal was found by Cheapflights users on 4/28. 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.
This Scandinavian Airlines deal was found by Cheapflights users on 4/27. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 4/28. 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.
This StudentUniverse deal was found by Cheapflights users on 4/28. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This AirNGo deal was found by Cheapflights users on 4/29. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/29. 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.
This KLM deal was found by Cheapflights users on 4/29. 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.
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
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 abril 29, 2025.
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
mar. 5/13
9:00 pm-8:50 am
Nonstop6h 50m
Dublin
mar. 5/20
12:50 pm-3:50 pm
Nonstop8h 00m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
lun. 9/15
6:35 am-7:45 am
2 stops20h 10m
Dublin
mié. 9/24
9:50 am-11:55 am
2 stops31h 05m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
mar. 5/13
10:26 pm-11:10 am
1 stop31h 44m
Dublin
mié. 5/28
9:50 am-9:39 am
1 stop28h 49m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
lun. 5/26
12:20 pm-9:15 am
1 stop15h 55m
Dublin
mié. 6/4
1:15 pm-7:39 pm
1 stop11h 24m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
vie. 10/10
10:05 pm-7:15 pm
2 stops16h 10m
Dublin
mar. 10/21
12:40 pm-7:59 pm
1 stop12h 19m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
jue. 8/7
8:30 pm-11:05 am
1 stop9h 35m
Dublin
sáb. 8/16
2:15 pm-10:10 pm
1 stop12h 55m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
lun. 7/14
8:06 pm-6:20 pm
2 stops17h 14m
Dublin
vie. 7/18
11:00 am-5:30 pm
1 stop11h 30m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
dom. 5/11
9:20 pm-3:00 pm
1 stop12h 40m
Dublin
mar. 5/20
10:00 am-4:44 pm
1 stop11h 44m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
lun. 8/4
10:40 pm-6:20 pm
1 stop14h 40m
Dublin
mar. 8/12
8:35 am-3:55 pm
1 stop12h 20m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
lun. 7/28
3:00 pm-8:45 am
1 stop12h 45m
Dublin
mié. 8/6
1:15 pm-7:51 pm
1 stop11h 36m
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.
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 $981). 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 abril 29, 2025.
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 6% on the cost of your flight, compared to a flight at noon.
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 abril 29, 2025.
The most flights from IAD to IE0 are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 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 abril 29, 2025.
Read reviews from past customers who have flown Delta, KLM and Austrian Airlines 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.
Food
Entertainment
Boarding
Comfort
Crew
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Entertainment
Boarding
Comfort
Crew
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Entertainment
Boarding
Comfort
Crew
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Entertainment
Boarding
Comfort
Crew
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Entertainment
Boarding
Comfort
Crew
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Food
Entertainment
Boarding
Comfort
Crew
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
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.
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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 abril 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$290 | Average$418 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$303 | Average$494 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$423 | Average$736 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$476 | Average$711 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$483 | Average$834 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$514 | Average$673 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$634 | Average$955 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$643 | Average$665 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$644 | Average$1,009 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$663 | Average$907 | FlexibilityNo cancel fee | On-time71% |