$253+ Cheap flights from Washington, D.C. (WAS) 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Washington, D.C. 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 Washington, D.C. to Ireland
Keep the following information in mind while searching for Washington, D.C. to Ireland flight deals. Data was last updated June 12, 2025.
Round-trip from | $366 (CheapOair) |
|---|---|
One-way from | $253 (Booking.com) |
Popular in | June |
Cheapest in | January |
Average price | $868 |
Good round-trip deal | $590 or less |
Good one-way deal | $483 or less |
Find flight deals from Washington, D.C. to Ireland
Cheapest flights from Washington, D.C. to IrelandExplore the most affordable flight options available from Washington, D.C. to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Washington, D.C. to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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.
This FlightHub deal was found by Cheapflights users on 6/11. 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.
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Ovago deal was found by Cheapflights users on 6/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 6/11. 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.
This oojo deal was found by Cheapflights users on 6/11. 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.
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines deal was found by Cheapflights users on 6/12. 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 Flightnetwork deal was found by Cheapflights users on 6/11. 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 Flightnetwork 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 Washington, D.C. 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 June 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreDublin
BWI - DUB
BWIDUB
Baltimore/Washington
Fri 10/24
6:50 pm-10:05 am
1 stop10h 15m
Dublin
Fri 10/31
11:00 am-5:55 pm
1 stop10h 55m
Washington, D.C.Dublin
DCA - DUB
DCADUB
Washington, D.C. Reagan-National
Mon 7/28
3:45 pm-9:00 am
1 stop12h 15m
Dublin
Wed 8/6
10:40 am-6:59 pm
1 stop13h 19m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Wed 10/8
10:05 pm-6:15 pm
1 stop15h 10m
Dublin
Sun 10/12
10:15 am-7:59 pm
1 stop14h 44m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Wed 10/22
9:00 pm-8:50 am
Nonstop6h 50m
Dublin
Thu 10/30
4:20 pm-8:30 pm
Nonstop8h 10m
BaltimoreDublin
BWI - DUB
BWIDUB
Baltimore/Washington
Fri 9/5
1:51 pm-1:15 pm
2 stops18h 24m
Dublin
Tue 9/9
2:15 pm-7:33 am
2 stops22h 18m
BaltimoreDublin
BWI - DUB
BWIDUB
Baltimore/Washington
Tue 10/21
9:20 pm-2:45 pm
1 stop12h 25m
Dublin
Wed 10/29
8:40 am-7:45 pm
1 stop15h 05m
Washington, D.C.Dublin
DCA - DUB
DCADUB
Washington, D.C. Reagan-National
Sun 7/13
6:59 am-8:15 am
1 stop20h 16m
Dublin
Tue 7/22
9:20 am-10:18 am
1 stop29h 58m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Mon 12/8
5:30 pm-4:10 pm
1 stop17h 40m
Dublin
Mon 12/15
5:05 pm-2:35 pm
1 stop26h 30m
BaltimoreDublin
BWI - DUB
BWIDUB
Baltimore/Washington
Tue 7/8
5:20 pm-9:45 am
1 stop11h 25m
Dublin
Tue 7/22
10:00 am-9:42 pm
2 stops40h 42m
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Sat 8/30
10:10 pm-9:45 am
1 stop30h 35m
Dublin
Tue 9/16
9:50 am-9:38 am
1 stop28h 48m
Best time to book a flight from Washington, D.C. to Ireland
Have a flexible travel schedule? Discover the best time to fly to Ireland from Washington, D.C. with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. to Ireland
What is the cheapest month to book a flight from Washington, D.C. to Ireland?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Ireland (average of $509). Flying from Washington, D.C. to Ireland in June is currently the most expensive (average of $947). 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 WAS to IE?
Find hourly flight availability from Washington, D.C. 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 June 12, 2025.
A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Ireland in the morning. If you’re flexible enough to do this you can expect to save up to 2% on your trip compared to booking a flight at noon.
What is the cheapest day to fly from Washington, D.C. to Ireland?
Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Ireland. Price data was last updated on September 8, 2024.
Travelers seeking maximum savings on their Washington, D.C. to Ireland flight should consider departing on Tuesday evenings 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.
Weekly flight availability from Washington, D.C. to Ireland
Explore weekly flight availability from Washington, D.C. 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 June 12, 2025.
The most flights from WAS 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 June 12, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Ireland, such as Delta, KLM and Air Transat. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Washington, D.C. to Ireland
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Washington, D.C. to Ireland
Discover the top 10 airlines that operate flights from Washington, D.C. 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$283 | Average$411 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$322 | Average$494 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$415 | Average$674 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$457 | Average$715 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$457 | Average$770 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$491 | Average$672 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$496 | Average$853 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$526 | Average$673 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$548 | Average$993 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$550 | Average$930 | FlexibilityNo cancel fee | On-time71% |