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Washington, D.C.

$284+ 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — WAS
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
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 February 4, 2026.

This Finnair deal was found by Cheapflights users on 2/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/138:35 am
DUB
-
BWI
1 stop16h 05m
Multiple Airlines
Mon 5/259:30 pm
BWI
-
DUB
1 stop16h 10m
Multiple Airlines
Deal found 2/2$408
This Finnair deal was found by Cheapflights users on 2/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:45 pm
DUB
-
IAD
1 stop25h 05m
Multiple Airlines
Sat 5/25:40 pm
IAD
-
DUB
1 stop20h 50m
Multiple Airlines
Deal found 2/2$408
This Finnair deal was found by Cheapflights users on 2/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:30 pm
DUB
-
IAD
1 stop24h 20m
Multiple Airlines
Sun 5/35:40 pm
IAD
-
DUB
1 stop11h 00m
Multiple Airlines
Deal found 2/1$411
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:10 pm
DUB
-
IAD
1 stop24h 40m
Multiple Airlines
Sun 5/35:40 pm
IAD
-
DUB
1 stop11h 00m
Multiple Airlines
Deal found 2/3$431
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:45 pm
DUB
-
IAD
1 stop11h 35m
Multiple Airlines
Mon 6/110:25 pm
IAD
-
DUB
1 stop16h 10m
Multiple Airlines
Deal found 2/3$432
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:00 am
DUB
-
BWI
1 stop17h 40m
Multiple Airlines
Mon 6/19:30 pm
BWI
-
DUB
1 stop17h 05m
Multiple Airlines
Deal found 2/3$452
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Thu 11/1911:30 am
DUB
-
IAD
1 stop12h 00m
Icelandair
Mon 11/237:40 pm
IAD
-
DUB
1 stop9h 35m
Icelandair
Deal found 2/3$456
This Finnair deal was found by Cheapflights users on 2/3. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:25 pm
DUB
-
IAD
1 stop24h 25m
Multiple Airlines
Tue 11/36:20 pm
IAD
-
DUB
1 stop17h 40m
Multiple Airlines
Deal found 2/3$471
This FlightHub deal was found by Cheapflights users on 2/3. 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.
Sat 3/287:10 pm
DUB
-
IAD
2 stops26h 45m
Scandinavian Airlines
Mon 4/68:20 pm
IAD
-
DUB
2 stops33h 35m
Scandinavian Airlines
Deal found 2/3$472
This Kissandfly.com deal was found by Cheapflights users on 2/2. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/912:15 pm
DUB
-
IAD
Nonstop8h 20m
Aer Lingus
Sun 2/155:05 pm
IAD
-
DUB
Nonstop6h 50m
Aer Lingus
Deal found 2/2$473
This Trip.com deal was found by Cheapflights users on 2/2. 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.
Fri 4/1712:40 pm
DUB
-
IAD
1 stop33h 10m
Scandinavian Airlines
Mon 4/208:20 pm
IAD
-
DUB
1 stop17h 00m
Scandinavian Airlines
Deal found 2/2$484
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Thu 11/1911:30 am
DUB
-
BWI
1 stop12h 10m
Icelandair
Mon 11/237:40 pm
BWI
-
DUB
1 stop9h 35m
Icelandair
Deal found 2/3$485

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 February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$408
(Finnair)

One-way from

$284
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$528

Good round-trip deal

$631 or less

Good one-way deal

$499 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. 12% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 4, 2026.
Use the filters below to find and compare flights from Ireland to Washington, D.C. that are best for you.

Fly from

Ireland

Fly to

Washington, D.C.

Route

Depart

Return

Price

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 5/13

8:35 am-7:40 pm

1 stop16h 05m

Baltimore/Washington

Mon 5/25

9:30 pm-6:40 pm

1 stop16h 10m

$408

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Thu 5/21

7:00 am-7:40 pm

1 stop17h 40m

Baltimore/Washington

Mon 6/1

9:30 pm-7:35 pm

1 stop17h 05m

$452

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 3/28

7:10 pm-5:55 pm

2 stops26h 45m

Washington, D.C. Dulles Intl

Mon 4/6

8:20 pm-7:05 pm

2 stops17h 45m

$485

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 5/27

12:40 pm-4:50 pm

1 stop33h 10m

Washington, D.C. Dulles Intl

Mon 6/1

8:20 pm-6:20 pm

1 stop17h 00m

$490

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 2/25

11:30 am-6:40 pm

1 stop12h 10m

Baltimore/Washington

Tue 3/17

8:40 pm-10:15 am

1 stop9h 35m

$502

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 2/25

11:30 am-6:40 pm

1 stop12h 10m

Baltimore/Washington

Wed 3/18

8:40 pm-10:15 am

1 stop9h 35m

$502

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 2/14

8:50 am-4:05 pm

1 stop12h 15m

Washington, D.C. Dulles Intl

Sun 2/22

10:08 am-7:45 am

1 stop16h 37m

$504

CorkWashington, D.C.

ORK - IAD

ORKIAD

Cork

Tue 3/3

5:15 pm-4:05 pm

1 stop27h 50m

Washington, D.C. Dulles Intl

Tue 3/10

7:50 pm-3:00 pm

1 stop15h 10m

$505

CorkWashington, D.C.

ORK - IAD

ORKIAD

Cork

Tue 3/3

11:15 am-4:05 pm

1 stop33h 50m

Washington, D.C. Dulles Intl

Tue 3/10

7:50 pm-3:00 pm

1 stop15h 10m

$505

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 2/19

5:55 am-4:28 pm

2 stops15h 33m

Washington, D.C. Dulles Intl

Mon 2/23

7:52 pm-3:45 pm

2 stops14h 53m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of $293). 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 February 4, 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.

Weekly flight availability from Ireland to Washington, D.C.

Explore weekly flight availability from Ireland to Washington, D.C.. 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 February 4, 2026.

The most flights from IE0 to WAS are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

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 February 4, 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
9,236 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

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
9,236 reviews
United Airlines
7.4
Good
9,236 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

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
1,444 reviews
United Airlines
7.4
Good
9,236 reviews

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

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.?

    Scandinavian Airlines, Icelandair, and Delta can get you from Ireland to Washington, D.C. in just under 12h 10m. Your travel time can differ by up to 14h 35m. There are 3351 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 $392 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 - Washington, D.C. Reagan-National or Dublin - Baltimore/Washington as they are the most popular.

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

    Consider Air Canada (94%), United Airlines (94%) or Lufthansa (94%) 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 $1,018 for a flight from Ireland to Washington, D.C.. The cheapest flight overall is $461 while the most popular route, (Dublin - Washington, D.C. Dulles Intl) is currently priced at $408.

  • 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, January is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of $293). 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
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

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Alternative routes for Ireland to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Frankfurt to Dulles Intl flights
Heathrow to Dulles Intl flights
Charles de Gaulle to Dulles Intl flights
Frankfurt to Reagan-National flights
Bruxelles-National to Dulles Intl flights
Heathrow to Reagan-National flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Orly to Dulles Intl flights
Vienna to Dulles Intl flights
Gatwick to Dulles Intl flights
Munich to Dulles Intl flights
Charles de Gaulle to Reagan-National flights
Frederic Chopin to Dulles Intl flights
Istanbul to Dulles Intl flights
Madrid to Dulles Intl flights
Barcelona-El Prat to Dulles Intl flights
London City to Dulles Intl flights
Stansted to Dulles Intl flights
Amsterdam to Dulles Intl flights
Vienna to Reagan-National flights
Zurich to Dulles Intl flights
Gatwick to Reagan-National flights
Dublin to Dulles Intl flights
Luton to Dulles Intl flights
Frederic Chopin to Reagan-National flights
Leonardo da Vinci/Fiumicino to Reagan-National flights
Bruxelles-National to Reagan-National flights
Berlin to Dulles Intl flights
Vicenza to Dulles Intl flights
Istanbul to Reagan-National flights
Barcelona-El Prat to Reagan-National flights
Berlin to Reagan-National flights
Madrid to Reagan-National flights
Geneva to Dulles Intl flights
Athens to Dulles Intl flights
Manchester to Dulles Intl flights
Sabiha Gokcen to Dulles Intl flights
Munich to Reagan-National flights
Athens to Reagan-National flights
Malpensa to Dulles Intl flights
Lisbon to Dulles Intl flights
Dublin to Reagan-National flights
Copenhagen to Dulles Intl flights
Charleroi Brussels to Dulles Intl flights
Amsterdam to Reagan-National flights
Zurich to Reagan-National flights

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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$455Average$622FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$645Average$941FlexibilityNo cancel feeOn-time69%

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