Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ireland to Washington, D.C. from £219

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 30/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — WAS
26 avr. — 3 mai1
1 adult
1 adult, Economy, 0 bags

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

Enter your travel dates to find the best prices.

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 27 mars 2026.

ven. 20/1111:30
DUB
-
IAD
1 stop12h 00m
Icelandair
lun. 30/1119:40
IAD
-
DUB
1 stop9h 35m
Icelandair
Deal found 26/3£359
sam. 21/1111:30
DUB
-
IAD
1 stop12h 00m
Icelandair
sam. 28/1119:40
IAD
-
DUB
1 stop9h 35m
Icelandair
Deal found 26/3£360
ven. 20/1111:30
DUB
-
IAD
1 stop12h 00m
Icelandair
jeu. 26/1119:40
IAD
-
DUB
1 stop9h 35m
Icelandair
Deal found 26/3£360
lun. 23/1111:30
DUB
-
BWI
1 stop12h 10m
Icelandair
ven. 27/1119:40
BWI
-
DUB
1 stop9h 35m
Icelandair
Deal found 26/3£381
mer. 22/412:15
DUB
-
IAD
1 stop12h 05m
Icelandair
mer. 29/420:30
IAD
-
DUB
1 stop11h 45m
Icelandair
Deal found 25/3£385
jeu. 7/510:40
DUB
-
DCA
1 stop10h 02m
JetBlue
dim. 10/507:00
DCA
-
DUB
1 stop20h 20m
JetBlue
Deal found 25/3£390
ven. 8/510:40
DUB
-
DCA
1 stop13h 29m
JetBlue
ven. 15/507:00
DCA
-
DUB
1 stop20h 20m
JetBlue
Deal found 24/3£391
ven. 8/510:40
DUB
-
DCA
1 stop13h 29m
JetBlue
sam. 30/516:15
DCA
-
DUB
1 stop11h 05m
JetBlue
Deal found 24/3£396
ven. 20/1111:30
DUB
-
BWI
1 stop12h 10m
Icelandair
lun. 30/1119:40
BWI
-
DUB
1 stop9h 35m
Icelandair
Deal found 26/3£396
jeu. 30/410:40
DUB
-
DCA
1 stop11h 02m
JetBlue
sam. 16/516:59
DCA
-
DUB
1 stop10h 21m
JetBlue
Deal found 25/3£397
jeu. 7/514:15
DUB
-
IAD
1 stop10h 05m
Icelandair
dim. 10/520:30
IAD
-
DUB
1 stop11h 45m
Icelandair
Deal found 25/3£399
mar. 21/414:15
DUB
-
BWI
1 stop10h 10m
Icelandair
mar. 28/420:30
BWI
-
DUB
1 stop9h 35m
Icelandair
Deal found 22/3£400

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 27 mars 2026.

Round-trip from

£385

One-way from

£219

Popular in

August

Cheapest in

September

Average price

£426

Good round-trip deal

£471 or less

Good one-way deal

£398 or less
Icelandair
  • Icelandair
  • 22/4-29/4
  • 2 total stops
  • 23h 50m total
  • Ireland to Washington, D.C.
Search Deals
JetBlue
  • JetBlue
  • 30/4
  • 1 total stop
  • 15h 20m total
  • Ireland to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return 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

 
Customise 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 858,174 searches. Data last updated 27 mars 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 return flight

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mer. 29/4

12:15-19:20

1 stop12h 05m

Washington, D.C. Dulles Intl

ven. 8/5

23:20-11:05

1 stop30h 45m

£414

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mar. 25/8

14:15-22:15

1 stop13h 00m

Washington, D.C. Dulles Intl

mar. 22/9

20:30-11:05

1 stop9h 35m

£422

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

ven. 24/4

12:15-19:25

1 stop12h 10m

Baltimore/Washington

mar. 28/4

20:30-11:05

1 stop9h 35m

£426
Fastest return journey

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

mar. 25/8

14:15-19:25

1 stop10h 10m

Baltimore/Washington

mar. 22/9

20:30-11:05

1 stop9h 35m

£437

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

mer. 13/5

10:30-19:40

1 stop14h 10m

Baltimore/Washington

lun. 25/5

21:30-19:35

1 stop17h 05m

£445

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mer. 13/5

08:55-15:35

1 stop11h 40m

Washington, D.C. Dulles Intl

lun. 25/5

21:45-15:25

1 stop12h 40m

£467

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

sam. 18/4

10:30-22:47

2 stops17h 17m

Washington, D.C. Reagan-National

mar. 21/4

13:25-12:05

2 stops17h 40m

£469

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

sam. 18/4

10:30-22:47

2 stops17h 17m

Washington, D.C. Reagan-National

mer. 22/4

17:31-14:35

2 stops16h 04m

£469

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

mer. 22/4

05:55-15:35

1 stop14h 40m

Washington, D.C. Dulles Intl

mer. 29/4

12:45-10:25

2 stops16h 40m

£470

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

jeu. 7/5

11:10-22:03

2 stops15h 53m

Washington, D.C. Reagan-National

jeu. 14/5

12:27-09:15

1 stop15h 48m

£473

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 53 resultsSorted by cheapest first
1
2
3
...
6

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 return 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 £237). Flying from Ireland to Washington, D.C. in July is currently the most expensive (average of £382). 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 27 mars 2026.

When flying from Ireland to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 153 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 past 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 27 mars 2026.
Read reviews from past customers who have flown with United Airlines,Aer Lingus, andIcelandair from Ireland to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,500 reviews
Check prices

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

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
9,500 reviews
United Airlines
7.4
Good
9,500 reviews
Check prices

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

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
9,500 reviews
Check prices

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

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
Icelandair
7.0
Good
627 reviews
United Airlines
7.4
Good
9,500 reviews
Check prices

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

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.?

    There are many flights that can get you from Ireland to Washington, D.C. in 11h 40m. Fly via Icelandair, British Airways, or Delta to get the fastest option. Ireland and Washington, D.C. are separated by a distance of 3393 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    While some choose either Dublin - Washington, D.C. Dulles Intl or Dublin - Baltimore/Washington, Dublin - Washington, D.C. Reagan-National is the most popular route from Ireland to Washington, D.C..

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

    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 Ireland to Washington, D.C. on time: American Airlines (75%), Aer Lingus (75%), Iberia (75%).

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

    On average you can expect to pay £745 for a flight from Ireland to Washington, D.C.. The cheapest flight overall is £398 while the most popular route, (Dublin - Washington, D.C. Reagan-National) is currently priced at £466.

  • 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 holiday 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 £237). Flying from Ireland to Washington, D.C. in July is currently the most expensive (average of £382). 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

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Gaithersburg
Woodbridge
Arlington
Alexandria

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.

Alternative routes for Ireland to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dulles Intl flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
Stansted to Dulles Intl flights
London City to Dulles Intl flights
Gatwick to Reagan-National flights
Luton to Dulles Intl flights
Edinburgh to Dulles Intl flights
Manchester to Dulles Intl flights
Manchester to Reagan-National flights
Edinburgh to Reagan-National flights
Glasgow Intl to Dulles Intl flights
Birmingham to Dulles Intl flights
Glasgow Intl to Reagan-National flights
Birmingham to Reagan-National flights
Newcastle upon Tyne to Dulles Intl flights
Leeds to Dulles Intl flights
London City to Reagan-National flights
Bristol to Dulles Intl flights
Southampton to Dulles Intl flights
Amsterdam to Dulles Intl flights
Bristol to Reagan-National flights
Belfast Intl to Dulles Intl flights
Grimsby to Dulles Intl flights
Newcastle upon Tyne to Reagan-National flights
Grimsby to Reagan-National flights
Southend to Dulles Intl flights
Belfast City to Dulles Intl flights
Aberdeen to Dulles Intl flights
Leeds to Reagan-National flights
Southampton to Reagan-National flights
Frankfurt to Dulles Intl flights
Cardiff to Dulles Intl flights
Dublin to Dulles Intl flights
Madrid to Dulles Intl flights
Aberdeen to Reagan-National flights
Inverness to Reagan-National flights
Exeter to Dulles Intl flights
Inverness to Dulles Intl flights
Istanbul to Dulles Intl flights
Norwich to Dulles Intl flights

Top 5 airlines flying from Ireland to Washington, D.C.

Discover the top 5 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 858,174 searches. Data last updated 27 mars 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£297Average£432FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£325Average£432FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£335Average£476FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£337Average£601FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£342Average£435FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to Washington, D.C.?

Cheapflights helps you search for flights from Ireland to Washington, D.C. via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ireland to Washington, D.C.?

Cheapflights simply makes it quick and affordable to book flights from Ireland to Washington, D.C. by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ireland to Washington, D.C. with no change fees?

Certainly. Search results for flights to Washington, D.C. from Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ireland to Washington, D.C. become cheaper?

Of course! You can now track prices for flights from Ireland to Washington, D.C. and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.