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Washington, D.C.

$292+ Cheap flights from Ireland to Washington, D.C. (WAS)

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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — WAS
abr. 26 — may. 31
dom. 4/26
dom. 5/3
1 adult, Economy
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Cheap flight deals from Ireland to Washington, D.C.

Cheapest flights from Ireland to Washington, D.C.
Explore the most affordable flight options available from Ireland to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 27, 2026.

This Mytrip deal was found by Cheapflights users on 3/25. 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.
mar. 12/111:30 am
DUB
-
IAD
1 stop12h 00m
Icelandair
mar. 12/87:40 pm
IAD
-
DUB
1 stop9h 35m
Icelandair
Deal found 3/25$450
This Booking.com deal was found by Cheapflights users on 3/25. 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.
jue. 11/1911:30 am
DUB
-
IAD
1 stop12h 00m
Icelandair
dom. 11/297:40 pm
IAD
-
DUB
1 stop9h 35m
Icelandair
Deal found 3/25$467
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2011:30 am
DUB
-
IAD
1 stop12h 00m
Icelandair
lun. 11/307:40 pm
IAD
-
DUB
1 stop9h 35m
Icelandair
Deal found 3/26$479
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/2111:30 am
DUB
-
IAD
1 stop12h 00m
Icelandair
sáb. 11/287:40 pm
IAD
-
DUB
1 stop9h 35m
Icelandair
Deal found 3/26$480
This Icelandair deal was found by Cheapflights users on 3/26. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2011:30 am
DUB
-
IAD
1 stop12h 00m
Icelandair
jue. 11/267:40 pm
IAD
-
DUB
1 stop9h 35m
Icelandair
Deal found 3/26$481
This FlightHub deal was found by Cheapflights users on 3/25. 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.
jue. 11/1911:30 am
DUB
-
BWI
1 stop12h 10m
Icelandair
dom. 11/297:40 pm
BWI
-
DUB
1 stop9h 35m
Icelandair
Deal found 3/25$505
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/92:15 pm
DUB
-
IAD
1 stop10h 05m
Icelandair
mié. 4/158:30 pm
IAD
-
DUB
1 stop11h 45m
Icelandair
Deal found 3/22$507
This Expedia deal was found by Cheapflights users on 3/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/2311:30 am
DUB
-
BWI
1 stop12h 10m
Icelandair
vie. 11/277:40 pm
BWI
-
DUB
1 stop9h 35m
Icelandair
Deal found 3/26$509
This Gotogate deal was found by Cheapflights users on 3/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/2212:15 pm
DUB
-
IAD
1 stop12h 05m
Icelandair
dom. 5/178:30 pm
IAD
-
DUB
1 stop11h 45m
Icelandair
Deal found 3/26$513
This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/162:15 pm
DUB
-
IAD
1 stop10h 05m
Icelandair
mar. 5/128:30 pm
IAD
-
DUB
1 stop9h 35m
Icelandair
Deal found 3/22$520
This TravelUp deal was found by Cheapflights users on 3/25. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/710:40 am
DUB
-
DCA
1 stop10h 02m
JetBlue
dom. 5/107:00 am
DCA
-
DUB
1 stop20h 20m
JetBlue
Deal found 3/25$521
This TravelUp deal was found by Cheapflights users on 3/24. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/810:40 am
DUB
-
DCA
1 stop13h 29m
JetBlue
vie. 5/157:00 am
DCA
-
DUB
1 stop20h 20m
JetBlue
Deal found 3/24$522

Find flight deals from Ireland to Washington, D.C.

Keep the following information in mind while searching for Ireland to Washington, D.C. flight deals. Data was last updated marzo 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$507
(Mytrip)

One-way from

$292
(Cheapflightsfares)

Popular in

August

Cheapest in

September

Average price

$569

Good round-trip deal

$643 or less

Good one-way deal

$513 or less
Provider with most accurate pricing for Dublin-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dublin-Washington, D.C. (WAS) flights.
Search Deals
From Ireland to Washington, D.C. (WAS)
Search Deals
One-way flight from Ireland to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 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 Ireland to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from Ireland to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ireland to Washington, D.C. 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 marzo 27, 2026.
Use the filters below to find and compare flights from Ireland to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mar. 8/25

2:15 pm-10:15 pm

1 stop13h 00m

Washington, D.C. Dulles Intl

mar. 9/22

8:30 pm-11:05 am

1 stop9h 35m

$563

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

vie. 4/24

12:15 pm-7:25 pm

1 stop12h 10m

Baltimore/Washington

mar. 4/28

8:30 pm-11:05 am

1 stop9h 35m

$568

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

vie. 4/17

12:15 pm-7:25 pm

1 stop12h 10m

Baltimore/Washington

mar. 5/12

8:30 pm-11:05 am

1 stop9h 35m

$578

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

jue. 4/30

2:15 pm-7:25 pm

1 stop10h 10m

Baltimore/Washington

lun. 5/4

8:30 pm-1:15 pm

1 stop11h 45m

$578
Quickest round-trip

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

mar. 8/25

2:15 pm-7:25 pm

1 stop10h 10m

Baltimore/Washington

mar. 9/22

8:30 pm-11:05 am

1 stop9h 35m

$583

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

mié. 5/13

7:45 pm-7:40 pm

1 stop28h 55m

Baltimore/Washington

lun. 5/25

9:30 pm-6:40 pm

1 stop16h 10m

$594

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

jue. 4/9

11:45 am-7:56 pm

1 stop13h 11m

Washington, D.C. Reagan-National

mié. 4/15

5:22 pm-6:30 am

1 stop32h 08m

$615

CorkWashington, D.C.

ORK - IAD

ORKIAD

Cork

jue. 5/7

5:10 pm-3:35 pm

1 stop27h 25m

Washington, D.C. Dulles Intl

jue. 5/14

9:45 pm-2:40 pm

1 stop11h 55m

$618

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

jue. 4/30

1:45 pm-8:10 pm

1 stop11h 25m

Washington, D.C. Dulles Intl

dom. 5/3

7:15 pm-7:45 am

1 stop31h 30m

$619

CorkWashington, D.C.

ORK - IAD

ORKIAD

Cork

jue. 5/7

6:15 am-6:53 pm

2 stops17h 38m

Washington, D.C. Dulles Intl

jue. 5/14

9:45 pm-2:40 pm

1 stop11h 55m

$626

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ireland to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Ireland 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 Ireland to Washington, D.C.

What is the cheapest month to book a flight from Ireland to Washington, D.C.?

Currently, October is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of $317). Flying from Ireland to Washington, D.C. in July is currently the most expensive (average of $510). 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 IE to WAS?

Find hourly flight availability from Ireland to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 27, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Washington, D.C. as you normally would.

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

About 14% of weekly flights between Ireland and Washington, D.C. have experienced delays in the past year, with the average delay time being 150 minutes.

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

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

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

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

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

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated marzo 27, 2026.
See what other customers who have flown with United Airlines and Aer Lingus from Ireland to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,493 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,493 reviews
United Airlines
7.4
Good
9,493 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Aer Lingus
7.2
Good
1,491 reviews
United Airlines
7.4
Good
9,493 reviews

Boarding

7.7

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Ireland to Washington, D.C.. 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 Ireland to Washington, D.C.?

    Icelandair, JetBlue, and KLM can get you from Ireland to Washington, D.C. in just under 10h 02m. Your travel time can differ by up to 17h 23m. There are 3381 mi between Ireland and Washington, D.C.. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $335 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on Aer Lingus and American Airlines, with prices starting from $436 and $494, respectively.

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

    When deciding which route to take from Ireland to Washington, D.C. consider Dublin - Washington, D.C. Dulles Intl, Dublin - Baltimore/Washington or Dublin - Washington, D.C. Reagan-National as they are the most popular.

  • What are the most reliable airlines from Ireland to Washington, D.C.?

    Consider American Airlines (75%), Aer Lingus (75%) or Iberia (75%) when booking your flight. These represent the most reliable airlines when flying from Ireland to Washington, D.C..

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

    On average you can expect to pay $1,169 for a flight from Ireland to Washington, D.C.. The cheapest flight overall is $475 while the most popular route, (Dublin - Washington, D.C. Dulles Intl) is currently priced at $513.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of $317). Flying from Ireland to Washington, D.C. in July is currently the most expensive (average of $510). 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

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park
Cordova

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 2 airlines flying from Ireland to Washington, D.C.

Discover the top 2 airlines that operate flights from Ireland to Washington, D.C.. 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 marzo 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$455Average$665FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$645Average$874FlexibilityNo cancel feeOn-time69%

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