$255+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — DUB
Aug 3 — Aug 101
1 adult, Economy
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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
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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 July 29, 2025.
Round-trip from | $376 (Mytrip) |
|---|---|
One-way from | $255 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $752 |
Good round-trip deal | $556 or less |
Good one-way deal | $415 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 July 29, 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 July 29, 2025.
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:50 pmBWI - DUB
1 stop10h 15mPLAY
Thu 9/2511:35 amDUB - BWI
1 stop11h 05mPLAY
Deal found 7/29![PLAY logo]()
$376
This oojo deal was found by Cheapflights users on 7/26. 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.
Fri 12/57:30 pmBWI - DUB
1 stop9h 45mIcelandair
Wed 12/1011:30 amDUB - BWI
1 stop12h 00mIcelandair
Deal found 7/26![Icelandair logo]()
$453
This oojo deal was found by Cheapflights users on 7/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/268:30 pmIAD - DUB
1 stop9h 35mIcelandair
Thu 9/42:15 pmDUB - IAD
1 stop12h 55mIcelandair
Deal found 7/28![Icelandair logo]()
$473
This lastminute.com deal was found by Cheapflights users on 7/28. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:42 pmDCA - DUB
1 stop9h 38mJetBlue
Mon 9/1510:40 amDUB - DCA
1 stop11h 25mJetBlue
Deal found 7/28![JetBlue logo]()
$476
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 11/110:12 pmIAD - DUB
2 stops28h 58mUnited Airlines
Tue 11/1112:05 pmDUB - IAD
Nonstop8h 15mUnited Airlines
Deal found 7/28![United Airlines logo]()
$476
This United deal was found by Cheapflights users on 7/27. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:20 pmIAD - DUB
Nonstop7h 00mMultiple Airlines
Mon 11/36:35 pmDUB - IAD
1 stop27h 05mMultiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Mon 8/115:00 pmDCA - DUB
1 stop11h 45mUnited Airlines
Wed 8/2011:35 amDUB - DCA
1 stop12h 28mUnited Airlines
Deal found 7/28![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/36:15 amBWI - SNN
2 stops23h 00mUnited Airlines
Tue 8/199:30 amSNN - BWI
1 stop17h 12mUnited Airlines
Deal found 7/27![United Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/34:51 pmDCA - SNN
1 stop13h 19mDelta
Tue 8/191:05 pmSNN - DCA
2 stops25h 06mDelta
Deal found 7/27![Delta logo]()
$478
This Delta deal was found by Cheapflights users on 7/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/312:12 pmIAD - SNN
1 stop17h 58mDelta
Tue 8/191:05 pmSNN - IAD
2 stops15h 16mDelta
Deal found 7/27![Delta logo]()
$478
This oojo deal was found by Cheapflights users on 7/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:30 pmIAD - DUB
1 stop16h 50mScandinavian Airlines
Sun 11/167:05 pmDUB - IAD
1 stop27h 10mScandinavian Airlines
Deal found 7/29![Scandinavian Airlines logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/118:45 pmIAD - ORK
1 stop11h 20mMultiple Airlines
Mon 8/255:10 pmORK - IAD
1 stop25h 20mMultiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$484
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 July 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Ireland that are best for you.
Fly from
Washington, D.C.
Fly to
Ireland
Route
Depart
Return
Price
BaltimoreDublin
BWI - DUB
BWIDUB
Baltimore/Washington
Fri 9/19
6:50 pm-10:05 am
1 stop10h 15m
Dublin
Thu 9/25
11:35 am-5:40 pm
1 stop11h 05m
$376
BaltimoreDublin
BWI - DUB
BWIDUB
Baltimore/Washington
Fri 12/5
7:30 pm-10:15 am
1 stop9h 45m
Dublin
Wed 12/10
11:30 am-6:30 pm
1 stop12h 00m
$453
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Tue 8/26
8:30 pm-11:05 am
1 stop9h 35m
Dublin
Thu 9/4
2:15 pm-10:10 pm
1 stop12h 55m
$473
Washington, D.C.Dublin
DCA - DUB
DCADUB
Washington, D.C. Reagan-National
Mon 9/8
5:42 pm-8:20 am
1 stop9h 38m
Dublin
Mon 9/15
10:40 am-5:05 pm
1 stop11h 25m
$476
Washington, D.C.Dublin
IAD - DUB
IADDUB
Washington, D.C. Dulles Intl
Mon 8/18
6:35 am-7:45 am
2 stops20h 10m
Dublin
Tue 8/26
9:20 am-8:41 pm
2 stops16h 21m
$476
BaltimoreShannon
BWI - SNN
BWISNN
Baltimore/Washington
Sun 8/3
11:51 am-11:10 am
2 stops18h 19m
Shannon
Tue 8/19
1:05 pm-12:23 am
2 stops16h 18m
$478
Washington, D.C.Dublin
DCA - DUB
DCADUB
Washington, D.C. Reagan-National
Mon 8/11
5:00 pm-9:45 am
1 stop11h 45m
Dublin
Wed 8/20
11:35 am-7:03 pm
1 stop12h 28m
$478
Washington, D.C.Shannon
DCA - SNN
DCASNN
Washington, D.C. Reagan-National
Sun 8/3
4:51 pm-11:10 am
1 stop13h 19m
Shannon
Tue 8/19
1:05 pm-9:11 am
2 stops25h 06m
$478
Washington, D.C.Shannon
IAD - SNN
IADSNN
Washington, D.C. Dulles Intl
Sun 8/3
8:31 pm-11:10 am
1 stop9h 39m
Shannon
Tue 8/19
1:05 pm-12:02 pm
1 stop27h 57m
$478
BaltimoreDublin
BWI - DUB
BWIDUB
Baltimore/Washington
Mon 8/11
12:23 pm-10:00 am
1 stop16h 37m
Dublin
Wed 8/20
11:00 am-6:24 pm
1 stop12h 24m
$478
Showing 1-10 of 60 results
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.
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. 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 $924). 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 July 29, 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 1% 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 afternoons 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 July 29, 2025.
The most flights from WAS to IE0 are scheduled on a Monday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).
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 July 29, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Air France from Washington, D.C. to Ireland to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Overall
8.0
Food
7.3
Comfort
7.9
Entertainment
7.9
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Crew
8.5
Overall
8.0
Food
7.3
Comfort
7.9
Entertainment
7.9
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Crew
8.5
Overall
8.0
Food
7.3
Comfort
7.9
Entertainment
7.9
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Crew
8.5
Overall
8.0
Food
7.3
Comfort
7.9
Entertainment
7.9
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Crew
8.5
Overall
8.0
Food
7.3
Comfort
7.9
Entertainment
7.9
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Crew
8.5
Overall
8.0
Food
7.3
Comfort
7.9
Entertainment
7.9
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentKim,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 July 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$284 | Average$404 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$330 | Average$494 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$424 | Average$658 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$428 | Average$595 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$457 | Average$714 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$457 | Average$768 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$496 | Average$799 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$500 | Average$947 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$526 | Average$683 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$544 | Average$717 | FlexibilityNo cancel fee | On-time75% |