HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ireland

$303+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — DUB
Jun 8 — Jun 151
Mon 6/8
Mon 6/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Cheapest flights from Washington, D.C. to Ireland
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 May 9, 2026.

This oojo deal was found by Cheapflights users on 5/4. 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 10/58:20 pm
IAD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Sun 10/117:05 pm
DUB
-
IAD
1 stop26h 55m
Scandinavian Airlines
Deal found 5/4$650
This BusinessClass deal was found by Cheapflights users on 5/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:00 am
DCA
-
DUB
1 stop13h 10m
Aer Lingus
Sun 7/191:20 pm
DUB
-
DCA
1 stop14h 11m
Aer Lingus
Deal found 5/6$663
This KAYAK deal was found by Cheapflights users on 5/8. 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.
Tue 7/149:55 am
IAD
-
DUB
1 stop14h 15m
Aer Lingus
Mon 7/271:20 pm
DUB
-
IAD
1 stop12h 04m
Aer Lingus
Deal found 5/8$668
This FlightHub deal was found by Cheapflights users on 5/8. 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.
Fri 10/165:05 pm
IAD
-
DUB
1 stop11h 55m
TAP AIR PORTUGAL
Wed 10/2110:45 am
DUB
-
IAD
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 5/8$669
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Fri 11/610:30 pm
IAD
-
DUB
1 stop12h 40m
TAP AIR PORTUGAL
Sun 11/84:25 am
DUB
-
IAD
1 stop15h 50m
TAP AIR PORTUGAL
Deal found 5/8$670
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Fri 6/54:05 pm
IAD
-
DUB
1 stop13h 50m
Multiple Airlines
Tue 6/1610:10 am
DUB
-
IAD
2 stops34h 11m
Multiple Airlines
Deal found 5/6$671
This FlightHub deal was found by Cheapflights users on 5/8. 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.
Wed 11/410:30 pm
IAD
-
DUB
1 stop19h 50m
TAP AIR PORTUGAL
Tue 11/104:55 pm
DUB
-
IAD
1 stop32h 40m
TAP AIR PORTUGAL
Deal found 5/8$672
This Mytrip deal was found by Cheapflights users on 5/6. 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.
Wed 6/39:45 am
IAD
-
DUB
2 stops18h 35m
Multiple Airlines
Wed 6/109:40 am
DUB
-
IAD
2 stops30h 06m
Multiple Airlines
Deal found 5/6$674
This lol.travel deal was found by Cheapflights users on 5/7. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/110:30 pm
IAD
-
DUB
1 stop12h 40m
TAP AIR PORTUGAL
Tue 11/104:55 pm
DUB
-
IAD
1 stop32h 40m
TAP AIR PORTUGAL
Deal found 5/7$675
This Scandinavian Airlines deal was found by Cheapflights users on 5/6. 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.
Sun 10/48:20 pm
IAD
-
DUB
2 stops32h 50m
Scandinavian Airlines
Sat 10/109:00 pm
DUB
-
IAD
2 stops25h 00m
Scandinavian Airlines
Deal found 5/6$677
This TAP AIR PORTUGAL deal was found by Cheapflights users on 5/7. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/410:30 pm
IAD
-
DUB
1 stop19h 50m
TAP AIR PORTUGAL
Mon 11/911:10 am
DUB
-
IAD
1 stop32h 35m
TAP AIR PORTUGAL
Deal found 5/7$678
This Cheapflightsfares deal was found by Cheapflights users on 5/6. 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.
Mon 10/58:20 pm
IAD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Thu 10/157:50 pm
DUB
-
IAD
2 stops26h 10m
Scandinavian Airlines
Deal found 5/6$679

Find 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 May 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$663
(BusinessClass)

One-way from

$303
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$770

Good round-trip deal

$956 or less

Good one-way deal

$467 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Dublin flights.
Search Deals
From Washington, D.C. (WAS) to Ireland
Search Deals
One-way flight from Washington, D.C. (WAS) to Ireland
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Ireland.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Ireland.
Search 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 May 9, 2026.
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

Cheapest round-trip

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 8/4

6:25 pm-8:20 am

1 stop8h 55m

Dublin

Sun 8/30

11:30 am-10:59 pm

1 stop16h 29m

$741

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Tue 7/28

2:00 pm-8:20 am

1 stop13h 20m

Dublin

Fri 8/7

11:30 am-10:59 pm

1 stop16h 29m

$801

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Sun 7/26

2:00 pm-8:20 am

1 stop13h 20m

Dublin

Tue 8/4

11:30 am-10:59 pm

1 stop16h 29m

$816

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 9/8

12:30 pm-7:30 am

1 stop14h 00m

Shannon

Wed 9/16

9:30 am-5:29 pm

1 stop12h 59m

$825

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 9/8

3:40 pm-7:30 am

1 stop10h 50m

Shannon

Wed 9/16

9:30 am-4:03 pm

1 stop11h 33m

$825

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Mon 7/6

11:00 am-8:20 am

1 stop16h 20m

Dublin

Fri 7/17

11:30 am-10:59 pm

1 stop16h 29m

$836

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

Wed 7/8

6:41 pm-8:20 am

1 stop8h 39m

Dublin

Wed 7/15

11:30 am-10:59 pm

1 stop16h 29m

$836

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Tue 8/18

6:00 am-7:30 am

1 stop20h 30m

Shannon

Tue 9/1

9:30 am-5:43 pm

1 stop13h 13m

$882

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 8/5

6:33 am-11:10 am

1 stop23h 37m

Dublin

Fri 9/4

9:20 am-7:43 am

2 stops27h 23m

$882

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Tue 8/18

5:45 pm-10:15 am

1 stop11h 30m

Shannon

Tue 9/1

9:30 am-4:01 pm

1 stop11h 31m

$882

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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

How far ahead should I book a flight from Washington, D.C. to Ireland?

The price you pay for your flight from Washington, D.C. to Ireland may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $123). Flying from Washington, D.C. to Ireland in October is currently the most expensive (average of $3,036). 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 May 9, 2026.

When flying from Washington, D.C. 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. 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 May 9, 2026.

The most flights from WAS to IE0 are scheduled on a Monday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

How often are flights from Washington, D.C. to Ireland delayed?

About 17% of weekly flights between Washington, D.C. and Ireland have experienced delays in the past year, with the average delay time being 182 minutes.

What is the most punctual flight time for Washington, D.C. to Ireland flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Ireland flights?

Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 13% of flights being delayed.

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 May 9, 2026.
Peruse reviews from past customers who have flown with United Airlines,Aer Lingus, andAmerican Airlines 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.
United Airlines
7.4
Good
9,696 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,696 reviews
United Airlines
7.4
Good
9,696 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Aer Lingus
7.3
Good
1,551 reviews
United Airlines
7.4
Good
9,696 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,669 reviews
United Airlines
7.4
Good
9,696 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Icelandair
7.0
Good
653 reviews
United Airlines
7.4
Good
9,696 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
PLAY
7.0
Good
United Airlines
7.4
Good
9,696 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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.

  • How long is the flight from Washington, D.C. to Ireland?

    For as low as $741, JetBlue can have you in Ireland from Washington, D.C. in 8h 55m. There are 3381 mi between Washington, D.C. and Ireland. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Washington, D.C. to Ireland one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at $248. Aer Lingus flights start at $373 while deals on United Airlines start at $411 one-way.

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

    The most popular route from Washington, D.C. to Ireland is Washington, D.C. Dulles Intl - Dublin. You may also consider Baltimore/Washington - Dublin or Washington, D.C. Reagan-National - Dublin.

  • What are the most reliable airlines from Washington, D.C. 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. to Ireland on time: Qatar Airways (92%), American Airlines (92%), Aer Lingus (92%).

  • What are the cheapest flights from Washington, D.C. to Ireland?

    The cheapest flight price from Washington, D.C. to Ireland is $402. On average you can expect to pay $830. The most popular route, (Washington, D.C. Dulles Intl - Dublin), can usually be booked for $435.

  • Can I find deals for flights from Washington, D.C. to Ireland that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Ireland.

  • Can I find deals for business class flights from Washington, D.C. to Ireland?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Ireland?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Ireland (average of $123). Flying from Washington, D.C. to Ireland in October is currently the most expensive (average of $3,036). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 May 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$157Average$1,063FlexibilityNo cancel feeOn-timeN/A
PLAYCheapest$325Average$402FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$359Average$684FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$369Average$592FlexibilityNo cancel feeOn-time76%
IberiaCheapest$391Average$843FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$405Average$799FlexibilityNo cancel feeOn-time71%
TAP AIR PORTUGALCheapest$427Average$578FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$456Average$507FlexibilityNo cancel feeOn-time77%
KLMCheapest$459Average$596FlexibilityNo cancel feeOn-time75%
JetBlueCheapest$477Average$673FlexibilityNo cancel feeOn-time62%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.