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Cheap flights from Ireland to Washington, D.C. from £254

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — WAS
15 Jul — 22 Jul1
1 adult

Cheap 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 10 July 2025.

Round-trip from

£266

One-way from

£254

Popular in

August

Cheapest in

January

Average price

£531

Good round-trip deal

£500 or less
PLAY
  • PLAY
  • 26/9-5/10
  • 2 total stops
  • 21h 25m total
  • Ireland to Washington, D.C.
PLAY
  • PLAY
  • 3/9
  • 1 total stop
  • 11h 05m total
  • Ireland to Washington, D.C.
Highest demand for flights based on searches. 13% potential increase in price (£49 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Ireland to Washington, D.C. (WAS).

Find 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 10 July 2025.

Fri 26/911:35DUB - BWI
1 stop11h 05mPLAY
Sun 5/1018:50BWI - DUB
1 stop10h 20mPLAY
Deal found 8/7£266
Thu 20/1111:30DUB - IAD
1 stop11h 50mIcelandair
Mon 1/1219:40IAD - DUB
1 stop9h 35mIcelandair
Deal found 9/7£383
Sat 23/810:15DUB - IAD
1 stop14h 44mScandinavian Airlines
Sat 30/822:05IAD - DUB
1 stop32h 45mScandinavian Airlines
Deal found 9/7£385
Tue 9/908:55DUB - IAD
1 stop11h 40mDelta
Tue 23/920:17IAD - DUB
2 stops13h 43mDelta
Deal found 9/7£387
Wed 22/1013:20DUB - DCA
2 stops15h 09mDelta
Fri 31/1010:00DCA - DUB
2 stops17h 45mDelta
Deal found 9/7£393
Tue 9/911:45DUB - BWI
1 stop10h 56mAmerican Airlines
Tue 23/921:20BWI - DUB
1 stop17h 10mAmerican Airlines
Deal found 9/7£393
Tue 21/1013:15DUB - DCA
1 stop14h 04mKLM
Tue 28/1017:00DCA - DUB
1 stop12h 20mKLM
Deal found 9/7£400
Mon 24/1111:30DUB - DCA
1 stop13h 29mMultiple Airlines
Mon 8/1211:50DCA - DUB
1 stop15h 50mMultiple Airlines
Deal found 9/7£401
Thu 28/816:00DUB - IAD
Nonstop7h 55mAer Lingus
Sun 7/920:25IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 8/7£406
Thu 28/810:40DUB - DCA
2 stops17h 38mBritish Airways
Wed 10/919:00DCA - DUB
2 stops14h 35mBritish Airways
Deal found 8/7£408
Wed 27/810:50DUB - BWI
2 stops17h 19mBritish Airways
Tue 9/921:20BWI - DUB
1 stop12h 25mBritish Airways
Deal found 8/7£408
Wed 3/912:40DUB - DCA
2 stops38h 35mScandinavian Airlines
Fri 12/906:05DCA - DUB
2 stops46h 20mScandinavian Airlines
Deal found 9/7£414

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 10 July 2025.
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

Fri 26/9

11:35-17:40

1 stop11h 05m

Baltimore/Washington

Sun 5/10

18:50-10:10

1 stop10h 20m

£266

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 20/11

11:30-18:20

1 stop11h 50m

Washington, D.C. Dulles Intl

Fri 28/11

19:40-10:15

1 stop9h 35m

£383

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 23/8

10:15-19:59

1 stop14h 44m

Washington, D.C. Dulles Intl

Sat 30/8

22:05-11:50

1 stop32h 45m

£385

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 9/9

08:55-15:35

1 stop11h 40m

Washington, D.C. Dulles Intl

Tue 23/9

20:17-15:00

2 stops13h 43m

£387

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Tue 9/9

11:45-17:41

1 stop10h 56m

Baltimore/Washington

Tue 23/9

21:20-19:30

1 stop17h 10m

£393

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 22/10

13:20-23:29

2 stops15h 09m

Washington, D.C. Reagan-National

Fri 31/10

10:00-07:45

2 stops17h 45m

£393

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 21/10

13:15-22:19

1 stop14h 04m

Washington, D.C. Reagan-National

Tue 28/10

17:00-09:20

1 stop12h 20m

£400

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Mon 24/11

11:30-19:59

1 stop13h 29m

Washington, D.C. Reagan-National

Mon 8/12

11:50-08:40

1 stop15h 50m

£401

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 28/8

16:00-18:55

Nonstop7h 55m

Washington, D.C. Dulles Intl

Sun 7/9

20:25-08:15

Nonstop6h 50m

£406

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 28/8

10:40-23:18

2 stops17h 38m

Washington, D.C. Reagan-National

Wed 10/9

19:00-14:35

2 stops14h 35m

£408

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 51 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 £599). Flying from Ireland to Washington, D.C. in July is currently the most expensive (average of £947). 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 10 July 2025.

It’s optimal to fly from Ireland to Washington, D.C. at midday. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the morning.

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 10 July 2025.

The most flights from IE0 to WAS are scheduled on a Monday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (12 on average).

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 10 July 2025.
Read reviews from past customers who have flown with Delta, KLM, andFinnair 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.

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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

    £254 is the cheapest one-way deal found within the past few days, from PLAY. You may also be able to find cheap deals on Icelandair and JetBlue, with prices starting from £362 and £393, respectively.

  • What are the most popular routes 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: SWISS (83%), Lufthansa (80%), American Airlines (78%).

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

    On average you can expect to pay £1,425 for a flight from Ireland to Washington, D.C.. The cheapest flight overall is £407 while the most popular route, (Dublin - Baltimore/Washington) is currently priced at £288.

  • 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 £599). Flying from Ireland to Washington, D.C. in July is currently the most expensive (average of £947). 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 Ireland?

Book flights to Ireland if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Arlington
Woodbridge
College Park
Laurel
Tysons

Browse thousands of different options on Cheapflights for your next trip

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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 10 July 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£215Average£295FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£291Average£374FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£304Average£506FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£308Average£541FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£317Average£509FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£334Average£404FlexibilityNo 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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