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Cheap flights from Ireland to Washington, D.C. from £272

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — WAS
27 Feb — 6 Mar1
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 28 January 2026.

Mon 23/320:40
DUB
-
IAD
1 stop23h 55m
Multiple Airlines
Tue 7/417:40
IAD
-
DUB
1 stop20h 10m
Multiple Airlines
Deal found 24/1£290
Wed 13/508:35
DUB
-
BWI
1 stop16h 05m
Multiple Airlines
Mon 25/521:30
BWI
-
DUB
1 stop17h 05m
Multiple Airlines
Deal found 27/1£296
Wed 22/420:30
DUB
-
IAD
1 stop24h 20m
Multiple Airlines
Sat 2/517:40
IAD
-
DUB
1 stop20h 50m
Multiple Airlines
Deal found 27/1£296
Wed 25/320:40
DUB
-
IAD
1 stop23h 55m
Multiple Airlines
Wed 29/422:25
IAD
-
DUB
1 stop14h 35m
Multiple Airlines
Deal found 25/1£307
Thu 10/908:35
DUB
-
IAD
1 stop12h 15m
Multiple Airlines
Sat 26/917:40
IAD
-
DUB
1 stop15h 45m
Multiple Airlines
Deal found 25/1£310
Thu 26/211:30
DUB
-
IAD
1 stop12h 00m
Icelandair
Sun 1/319:40
IAD
-
DUB
1 stop9h 35m
Icelandair
Deal found 26/1£312
Tue 12/520:25
DUB
-
IAD
1 stop24h 25m
Multiple Airlines
Fri 22/517:40
IAD
-
DUB
1 stop20h 45m
Multiple Airlines
Deal found 27/1£313
Wed 1/408:35
DUB
-
IAD
1 stop12h 15m
Multiple Airlines
Wed 8/417:40
IAD
-
DUB
1 stop13h 25m
Multiple Airlines
Deal found 25/1£327
Mon 23/320:40
DUB
-
IAD
1 stop23h 55m
Multiple Airlines
Wed 8/417:40
IAD
-
DUB
1 stop16h 25m
Multiple Airlines
Deal found 27/1£329
Tue 12/508:35
DUB
-
BWI
1 stop16h 05m
Multiple Airlines
Fri 22/521:30
BWI
-
DUB
1 stop16h 55m
Multiple Airlines
Deal found 27/1£330
Tue 3/211:30
DUB
-
IAD
1 stop12h 00m
Icelandair
Sun 15/219:40
IAD
-
DUB
1 stop9h 35m
Icelandair
Deal found 25/1£331
Thu 5/211:30
DUB
-
IAD
1 stop12h 00m
Icelandair
Sun 8/219:40
IAD
-
DUB
1 stop9h 35m
Icelandair
Deal found 26/1£332

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 28 January 2026.

Round-trip from

£296

One-way from

£272

Popular in

August

Cheapest in

September

Average price

£395

Good round-trip deal

£519 or less
13/5-25/5
  • 13/5-25/5
  • 2 total stops
  • 33h 10m total
  • Ireland to Washington, D.C.
Search Deals
Icelandair
  • Icelandair
  • 5/5
  • 1 total stop
  • 10h 10m 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. 3% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip 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 28 January 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 13/5

08:35-19:40

1 stop16h 05m

Baltimore/Washington

Mon 25/5

21:30-19:35

1 stop17h 05m

£296

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 13/5

08:35-15:50

1 stop12h 15m

Washington, D.C. Dulles Intl

Mon 25/5

22:25-18:40

1 stop15h 15m

£296

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 22/4

20:30-15:50

1 stop24h 20m

Washington, D.C. Dulles Intl

Sat 2/5

17:40-19:30

1 stop20h 50m

£297

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 12/5

20:25-15:50

1 stop24h 25m

Washington, D.C. Dulles Intl

Fri 22/5

17:40-19:25

1 stop20h 45m

£313

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 1/4

08:35-15:50

1 stop12h 15m

Washington, D.C. Dulles Intl

Wed 8/4

17:40-12:05

1 stop13h 25m

£327

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Tue 12/5

10:30-19:40

1 stop14h 10m

Baltimore/Washington

Fri 22/5

21:30-19:25

1 stop16h 55m

£332

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 4/3

11:30-18:30

1 stop12h 00m

Washington, D.C. Dulles Intl

Wed 11/3

20:40-10:15

1 stop9h 35m

£333

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 2/4

13:50-16:50

1 stop32h 00m

Washington, D.C. Dulles Intl

Wed 8/4

20:20-18:20

1 stop17h 00m

£359

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sun 22/2

08:50-16:05

1 stop12h 15m

Washington, D.C. Dulles Intl

Sun 1/3

18:05-12:40

1 stop13h 35m

£365

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 4/3

05:55-16:05

1 stop15h 10m

Washington, D.C. Dulles Intl

Wed 11/3

22:40-15:45

1 stop13h 05m

£365

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Showing 1-10 of 57 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 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, January is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of £213). Flying from Ireland to Washington, D.C. in July is currently the most expensive (average of £371). 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 28 January 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.

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 28 January 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 152 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 14% 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 28 January 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
9,214 reviews
Check prices

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

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
9,214 reviews
United Airlines
7.4
Good
9,214 reviews
Check prices

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

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
1,442 reviews
United Airlines
7.4
Good
9,214 reviews
Check prices

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

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
Icelandair
7.1
Good
603 reviews
United Airlines
7.4
Good
9,214 reviews
Check prices

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

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
PLAY
7.0
Good
United Airlines
7.4
Good
9,214 reviews
Check prices

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

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
Lufthansa
6.8
Okay
7,749 reviews
United Airlines
7.4
Good
9,214 reviews
Check prices

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

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.?

    There are many flights that can get you from Ireland to Washington, D.C. in 18h 22m. Fly via Delta to get the fastest option. Ireland and Washington, D.C. are separated by a distance of 3381 mi.

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

    While some choose either Dublin - Baltimore/Washington or Dublin - Washington, D.C. Reagan-National, Dublin - Washington, D.C. Dulles Intl 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: Air Canada (92%), United Airlines (92%), Lufthansa (92%).

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

    On average you can expect to pay £656 for a flight from Ireland to Washington, D.C.. The cheapest flight overall is £391 while the most popular route, (Dublin - Washington, D.C. Dulles Intl) is currently priced at £398.

  • 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, January is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of £213). Flying from Ireland to Washington, D.C. in July is currently the most expensive (average of £371). 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
Woodbridge
Arlington
Alexandria
College Park

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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.
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
Manchester to Dulles Intl flights
Edinburgh to Dulles Intl flights
Manchester to Reagan-National flights
Birmingham to Dulles Intl flights
Edinburgh to Reagan-National flights
Birmingham to Reagan-National flights
Glasgow Intl to Dulles Intl flights
Newcastle upon Tyne to Dulles Intl flights
Glasgow Intl to Reagan-National flights
Leeds to Dulles Intl flights
London City to Reagan-National flights
Belfast Intl to Dulles Intl flights
Belfast City to Dulles Intl flights
Newcastle upon Tyne to Reagan-National flights
Aberdeen to Reagan-National flights
Aberdeen to Dulles Intl flights
Exeter to Dulles Intl flights
Bristol to Dulles Intl flights
Dublin to Dulles Intl flights
Frankfurt to Dulles Intl flights
Inverness to Dulles Intl flights
Inverness to Reagan-National flights
Southend to Dulles Intl flights
Norwich to Reagan-National flights
Leeds to Reagan-National flights
Norwich to Dulles Intl flights
Southampton to Dulles Intl flights
Grimsby to Dulles Intl flights
Istanbul to Dulles Intl flights
Cardiff to Dulles Intl flights
Amsterdam to Dulles Intl flights
Bruxelles-National to Dulles Intl flights

Top 6 airlines flying from Ireland to Washington, D.C.

Discover the top 6 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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£213Average£267FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£273Average£394FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£289Average£420FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£301Average£439FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£327Average£549FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£329Average£424FlexibilityNo 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.

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