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Cheap flights from Ireland to Washington, D.C. from £248

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — WAS
7 Apr — 14 Apr1
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 2 April 2025.

Round-trip from

£269

One-way from

£248

Popular in

July

Cheapest in

January

Average price

£441

Good round-trip deal

£510 or less

Good one-way deal

£434 or less
PLAY
  • PLAY
  • 1/5-8/5
  • 2 total stops
  • 21h 50m total
  • Ireland to Washington, D.C.
PLAY
  • PLAY
  • 7/5
  • 1 total stop
  • 11h 05m total
  • Ireland to Washington, D.C.
Highest demand for flights based on searches. 18% potential increase in price (£78 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Ireland to Washington, D.C. (WAS).
Price to beat on a one-way 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 2 April 2025.

Wed 22/1011:35DUB - BWI
1 stop11h 05mPLAY
Fri 31/1019:05BWI - DUB
1 stop10h 35mPLAY
Deal found 1/4£269
Wed 14/512:40DUB - IAD
1 stop12h 19mScandinavian Airlines
Sun 18/522:05IAD - DUB
1 stop15h 10mScandinavian Airlines
Deal found 31/3£301
Tue 29/412:15DUB - IAD
1 stop12h 05mIcelandair
Tue 6/520:30IAD - DUB
1 stop9h 35mIcelandair
Deal found 1/4£319
Thu 1/510:40DUB - IAD
1 stop11h 50mBritish Airways
Thu 8/517:40IAD - DUB
1 stop11h 10mBritish Airways
Deal found 1/4£364
Tue 29/408:35DUB - IAD
1 stop16h 35mMultiple Airlines
Tue 6/522:40IAD - DUB
1 stop15h 50mMultiple Airlines
Deal found 1/4£378
Mon 26/509:10DUB - IAD
1 stop12h 10mAir France
Tue 3/612:20IAD - DUB
1 stop15h 55mAir France
Deal found 31/3£384
Tue 15/412:45DUB - BWI
1 stop11h 50mBritish Airways
Tue 22/421:20BWI - DUB
1 stop12h 25mBritish Airways
Deal found 2/4£386
Tue 6/516:35DUB - IAD
Nonstop7h 55mAer Lingus
Sun 18/520:25IAD - DUB
Nonstop6h 50mAer Lingus
Deal found 1/4£389
Thu 1/505:55DUB - BWI
2 stops15h 55mKLM
Thu 8/518:18BWI - DUB
1 stop33h 27mKLM
Deal found 1/4£390
Tue 29/405:55DUB - IAD
1 stop14h 40mDelta
Tue 6/517:23IAD - DUB
2 stops16h 37mDelta
Deal found 1/4£392
Thu 10/408:55DUB - IAD
1 stop11h 40mKLM
Fri 18/417:25IAD - DUB
1 stop12h 00mKLM
Deal found 1/4£393
Thu 10/408:55DUB - DCA
2 stops16h 01mDelta
Wed 16/413:59DCA - DUB
1 stop13h 46mDelta
Deal found 2/4£396

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 2 April 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

Thu 1/5

11:35-17:40

1 stop11h 05m

Baltimore/Washington

Thu 8/5

18:50-10:35

1 stop10h 45m

£269

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Wed 14/5

12:40-19:59

1 stop12h 19m

Washington, D.C. Dulles Intl

Sun 18/5

22:05-18:15

1 stop15h 10m

£301

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 29/4

12:15-19:20

1 stop12h 05m

Washington, D.C. Dulles Intl

Tue 6/5

20:30-11:05

1 stop9h 35m

£319

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 1/5

10:40-17:30

1 stop11h 50m

Washington, D.C. Dulles Intl

Thu 8/5

17:40-09:50

1 stop11h 10m

£364

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 29/4

08:35-20:10

1 stop16h 35m

Washington, D.C. Dulles Intl

Tue 6/5

22:40-19:30

1 stop15h 50m

£378

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 26/5

09:10-16:20

1 stop12h 10m

Washington, D.C. Dulles Intl

Tue 3/6

12:20-09:15

1 stop15h 55m

£384

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Tue 15/4

12:45-19:35

1 stop11h 50m

Baltimore/Washington

Tue 22/4

21:20-14:45

1 stop12h 25m

£386

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 6/5

16:35-19:30

Nonstop7h 55m

Washington, D.C. Dulles Intl

Sun 18/5

20:25-08:15

Nonstop6h 50m

£389

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Thu 1/5

05:55-16:50

2 stops15h 55m

Baltimore/Washington

Thu 8/5

18:18-08:45

1 stop33h 27m

£390

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 29/4

05:55-15:35

1 stop14h 40m

Washington, D.C. Dulles Intl

Tue 6/5

17:23-15:00

2 stops16h 37m

£392

Flights are sorted by cheapest return flights first.

Deals found on 1/4

Showing 1-10 of 45 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, February is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of £565). Flying from Ireland to Washington, D.C. in July is currently the most expensive (average of £946). 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 2 April 2025.

It’s optimal to fly from Ireland to Washington, D.C. at midday. By choosing this option you can save up to 21% 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 2 April 2025.

The most flights from IE0 to WAS are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 2 April 2025.
Read through reviews of airlines operating flights from Ireland to Washington, D.C., such as Delta, KLM and SWISS. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

    £248 is the cheapest one-way deal found within the past few days, from PLAY. You may also be able to find cheap deals on WestJet and JetBlue, with prices starting from £272 and £361, respectively.

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

  • 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, February is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of £565). Flying from Ireland to Washington, D.C. in July is currently the most expensive (average of £946). 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
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 2 April 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£218Average£320FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£306Average£388FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£319Average£532FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£333Average£594FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£347Average£428FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£441Average£569FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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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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