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$295+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — DUB
Apr 23 — Apr 301
Do 4/23
Do 4/30
1 adult, Economy
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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 März 24, 2026.

This Trip.com deal was found by Cheapflights users on 3/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fr 5/11:20 pm
IAD
-
DUB
1 stop28h 45m
Turkish Airlines
Do 5/710:40 am
DUB
-
IAD
1 stop38h 10m
Turkish Airlines
Deal found 3/19$560
This Mytrip deal was found by Cheapflights users on 3/19. 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.
Fr 5/15:15 pm
IAD
-
DUB
Nonstop7h 00m
Aer Lingus
Do 5/74:10 pm
DUB
-
IAD
Nonstop8h 00m
Aer Lingus
Deal found 3/19$562
This FlightHub deal was found by Cheapflights users on 3/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mo 4/208:20 pm
IAD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Di 4/2812:40 pm
DUB
-
IAD
1 stop33h 20m
Scandinavian Airlines
Deal found 3/20$572
This Gotogate deal was found by Cheapflights users on 3/23. 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.
Do 11/198:30 pm
IAD
-
DUB
1 stop16h 50m
Scandinavian Airlines
Di 12/811:30 am
DUB
-
IAD
2 stops34h 45m
Scandinavian Airlines
Deal found 3/23$573
This FlightHub deal was found by Cheapflights users on 3/23. 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.
Di 4/289:45 pm
IAD
-
DUB
1 stop37h 15m
Turkish Airlines
Di 5/55:35 am
DUB
-
IAD
1 stop35h 00m
Turkish Airlines
Deal found 3/23$575
This FlightHub deal was found by Cheapflights users on 3/21. 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.
Mi 4/299:45 pm
IAD
-
DUB
1 stop20h 20m
Turkish Airlines
Do 5/75:45 am
DUB
-
IAD
1 stop19h 05m
Turkish Airlines
Deal found 3/21$576
This oojo deal was found by Cheapflights users on 3/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 10/299:30 pm
IAD
-
DUB
1 stop16h 50m
Scandinavian Airlines
Di 11/311:30 am
DUB
-
IAD
2 stops34h 45m
Scandinavian Airlines
Deal found 3/21$578
This oojo deal was found by Cheapflights users on 3/22. 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.
Sa 4/258:20 pm
IAD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Mi 4/2911:00 am
DUB
-
IAD
2 stops35h 00m
Scandinavian Airlines
Deal found 3/22$580
This Cheapflightsfares deal was found by Cheapflights users on 3/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sa 5/28:20 pm
IAD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Do 5/77:50 pm
DUB
-
IAD
2 stops26h 10m
Scandinavian Airlines
Deal found 3/21$582
This FlightHub deal was found by Cheapflights users on 3/19. 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.
Mi 5/138:30 pm
BWI
-
DUB
1 stop11h 45m
Icelandair
Do 5/212:15 pm
DUB
-
BWI
1 stop13h 00m
Icelandair
Deal found 3/19$588
This Mytrip deal was found by Cheapflights users on 3/23. 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.
Do 9/248:30 pm
BWI
-
DUB
1 stop9h 35m
Icelandair
So 9/2712:15 pm
DUB
-
BWI
1 stop12h 10m
Icelandair
Deal found 3/23$589
This Gotogate deal was found by Cheapflights users on 3/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 9/38:30 pm
BWI
-
DUB
1 stop9h 35m
Icelandair
So 9/612:15 pm
DUB
-
BWI
1 stop12h 10m
Icelandair
Deal found 3/21$590

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 März 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$560
(Trip.com)

One-way from

$295
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$662

Good round-trip deal

$739 or less

Good one-way deal

$443 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. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 März 24, 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

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

Mo 5/4

9:30 pm-3:05 pm

1 stop12h 35m

Dublin

Mi 5/13

12:50 pm-7:40 pm

1 stop11h 50m

$651

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mi 8/12

10:35 pm-10:40 am

Nonstop7h 05m

Dublin

Do 8/20

9:50 am-7:01 pm

1 stop14h 11m

$668

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Fr 5/1

10:25 pm-10:40 am

Nonstop7h 15m

Dublin

Mo 5/4

9:50 am-8:29 pm

1 stop15h 39m

$672

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Di 8/11

7:15 pm-7:20 am

Nonstop7h 05m

Dublin

Fr 8/21

9:20 am-8:24 pm

1 stop16h 04m

$672

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Do 9/3

10:10 pm-8:15 am

2 stops29h 05m

Dublin

Mo 9/7

9:20 am-7:43 am

2 stops27h 23m

$681

BaltimoreShannon

BWI - SNN

BWISNN

Baltimore/Washington

Di 9/8

12:30 pm-7:30 am

1 stop14h 00m

Shannon

Mi 9/16

9:30 am-5:29 pm

1 stop12h 59m

$688
Quickest round-trip

Washington, D.C.Shannon

DCA - SNN

DCASNN

Washington, D.C. Reagan-National

So 5/3

6:05 pm-10:15 am

1 stop11h 10m

Shannon

So 5/10

12:30 pm-5:25 pm

1 stop9h 55m

$688

Washington, D.C.Shannon

IAD - SNN

IADSNN

Washington, D.C. Dulles Intl

Di 9/8

1:20 pm-7:30 am

1 stop13h 10m

Shannon

Mi 9/16

9:30 am-5:37 pm

1 stop13h 07m

$688

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Mo 4/20

9:45 pm-2:40 pm

1 stop11h 55m

Cork

Mo 4/27

3:25 pm-4:05 pm

1 stop29h 40m

$732

Washington, D.C.Cork

IAD - ORK

IADORK

Washington, D.C. Dulles Intl

Di 9/1

9:45 pm-2:40 pm

1 stop11h 55m

Cork

Do 9/10

6:15 am-10:59 pm

2 stops21h 44m

$735

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $194). Flying from Washington, D.C. to Ireland in June is currently the most expensive (average of $474). 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 März 24, 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 März 24, 2026.

The most flights from WAS to IE0 are scheduled on a Monday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 on average).

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

About 18% of weekly flights between Washington, D.C. and Ireland have experienced delays in the past year, with the average delay time being 172 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 14% 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 März 24, 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
9,476 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,476 reviews
United Airlines
7.4
Good
9,476 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Aer Lingus
7.2
Good
1,487 reviews
United Airlines
7.4
Good
9,476 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,494 reviews
United Airlines
7.4
Good
9,476 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Icelandair
7.0
Good
625 reviews
United Airlines
7.4
Good
9,476 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
PLAY
7.0
Good
United Airlines
7.4
Good
9,476 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $668, United Airlines can have you in Ireland from Washington, D.C. in 7h 05m. There are 3393 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 $374 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: American Airlines (96%), Aer Lingus (96%), Iberia (96%).

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

    The cheapest flight price from Washington, D.C. to Ireland is $337. On average you can expect to pay $703. The most popular route, (Washington, D.C. Dulles Intl - Dublin), can usually be booked for $551.

  • 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 $194). Flying from Washington, D.C. to Ireland in June is currently the most expensive (average of $474). 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 März 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$157Average$826FlexibilityNo cancel feeOn-timeN/A
PLAYCheapest$319Average$413FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$359Average$667FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$369Average$585FlexibilityNo cancel feeOn-time76%
IberiaCheapest$391Average$651FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$427Average$587FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$435Average$810FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$456Average$494FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$477Average$620FlexibilityNo cancel feeOn-time62%
British AirwaysCheapest$478Average$671FlexibilityNo cancel feeOn-time70%

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