Washington, D.C.

$258+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — WAS
Feb 25 — Mar 41
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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 February 20, 2025.

Most accurate provider

Gurufare
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$297
(Kiwi.com)

One-way from

$258
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$505

Good round-trip deal

$638 or less

Good one-way deal

$395 or less
Provider with most accurate pricing for Dublin-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Dublin-Washington, D.C. (WAS) flights.
From Ireland to Washington, D.C. (WAS)
One-way flight from Ireland to Washington, D.C. (WAS)
Highest demand for flights based on searches. 20% potential increase in price ($146 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in February 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 February 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
Mon 4/1411:35 amDUB - BWI
1 stop11h 05mPLAY
Sun 4/276:50 pmBWI - DUB
1 stop9h 45mPLAY
Deal found 2/19$297
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:15 pmDUB - IAD
1 stop14h 55mIcelandair
Wed 10/811:15 pmIAD - DUB
1 stop30h 50mIcelandair
Deal found 2/20$397
This Flightnetwork deal was found by Cheapflights users on 2/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/312:20 pmDUB - IAD
2 stops36h 39mScandinavian Airlines
Mon 4/710:05 pmIAD - DUB
1 stop32h 45mScandinavian Airlines
Deal found 2/20$400
This StudentUniverse deal was found by Cheapflights users on 2/19. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2711:30 amDUB - BWI
1 stop12h 00mIcelandair
Wed 3/57:30 pmBWI - DUB
1 stop9h 45mIcelandair
Deal found 2/19$440
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Tue 3/116:30 amDUB - BWI
2 stops15h 30mMultiple Airlines
Tue 3/187:10 pmBWI - DUB
2 stops24h 35mMultiple Airlines
Deal found 2/18$456
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2712:30 pmDUB - IAD
Nonstop8h 10mAer Lingus
Wed 3/55:10 pmIAD - DUB
Nonstop6h 45mAer Lingus
Deal found 2/20$489
This Booking.com deal was found by Cheapflights users on 2/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/271:10 pmDUB - IAD
1 stop11h 35mBritish Airways
Wed 3/56:00 pmIAD - DUB
1 stop13h 10mBritish Airways
Deal found 2/19$490
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/288:40 amDUB - BWI
1 stop15h 05mAmerican Airlines
Sun 3/99:30 pmBWI - DUB
1 stop10h 40mAmerican Airlines
Deal found 2/20$491
This British Airways deal was found by Cheapflights users on 2/20. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2710:30 amDUB - BWI
1 stop13h 15mBritish Airways
Wed 3/58:30 pmBWI - DUB
1 stop10h 40mBritish Airways
Deal found 2/20$493
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/45:55 amDUB - IAD
1 stop14h 50mDelta
Tue 3/115:22 pmIAD - DUB
2 stops18h 18mDelta
Deal found 2/18$497
This Air France deal was found by Cheapflights users on 2/20. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/36:00 amORK - IAD
1 stop14h 45mMultiple Airlines
Sun 3/97:30 pmIAD - ORK
1 stop11h 05mMultiple Airlines
Deal found 2/20$498
This Air France deal was found by Cheapflights users on 2/19. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/278:50 amDUB - IAD
2 stops15h 05mMultiple Airlines
Wed 3/56:30 pmIAD - DUB
1 stop13h 35mMultiple Airlines
Deal found 2/19$500

Find flights from Ireland to Washington, D.C. within your budget

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 20, 2025.

Fly from

Ireland

Fly to

Washington, D.C.

Route

Depart

Return

Price

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Mon 4/14

11:35 am-5:40 pm

1 stop11h 05m

Baltimore/Washington

Sun 4/27

6:50 pm-9:35 am

1 stop9h 45m

$297

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 4/3

12:20 pm-7:59 pm

2 stops36h 39m

Washington, D.C. Dulles Intl

Mon 4/7

10:05 pm-11:50 am

1 stop32h 45m

$400

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 4/3

12:15 pm-7:20 pm

1 stop12h 05m

Washington, D.C. Dulles Intl

Mon 4/7

8:30 pm-11:05 am

1 stop9h 35m

$402

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Tue 3/4

6:15 am-5:00 pm

2 stops15h 45m

Baltimore/Washington

Tue 3/11

7:10 pm-1:15 pm

2 stops14h 05m

$440

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Tue 3/4

11:30 am-6:30 pm

1 stop12h 00m

Baltimore/Washington

Tue 3/11

8:30 pm-10:15 am

1 stop9h 45m

$454

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 2/27

12:30 pm-3:40 pm

Nonstop8h 10m

Washington, D.C. Dulles Intl

Wed 3/5

5:10 pm-4:55 am

Nonstop6h 45m

$489

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 2/27

1:10 pm-7:45 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 3/5

6:00 pm-12:10 pm

1 stop13h 10m

$490

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 3/12

10:25 am-7:45 pm

1 stop13h 20m

Baltimore/Washington

Wed 3/19

9:30 pm-12:10 pm

1 stop10h 40m

$493

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 3/4

5:55 am-3:45 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

Tue 3/11

5:22 pm-3:40 pm

2 stops18h 18m

$497

CorkWashington, D.C.

ORK - IAD

ORKIAD

Cork

Mon 3/3

6:00 am-3:45 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Sun 3/9

7:30 pm-10:35 am

1 stop11h 05m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Ireland to Washington, D.C.

Get recent, data-driven insights about flights from Ireland to Washington, D.C. including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ireland to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of $309). Flying from Ireland to Washington, D.C. in June is currently the most expensive (average of $389). 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 20, 2025.

When flying from Ireland to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 9% versus 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 February 20, 2025.

The most flights from IE0 to WAS are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 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 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 20, 2025.
To help decide which airline to fly from Ireland to Washington, D.C., see what other customers have to say about Delta, KLM and Austrian Airlines. 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.
8.0
Very good

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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
8.0
Very good

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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?

    $327 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 Aer Lingus, with prices starting from $382 and $395, 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.?

    Consider SWISS (100%), Air Canada (90%) or United Airlines (90%) 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 $907 for a flight from Ireland to Washington, D.C.. The cheapest flight overall is $362 while the most popular route, (Dublin - Washington, D.C. Dulles Intl) is currently priced at $404.

  • 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, August is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of $309). Flying from Ireland to Washington, D.C. in June is currently the most expensive (average of $389). 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 Ireland?

Book flights to Ireland if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Springfield
Rockville
Tysons
Gaithersburg
Silver Spring
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Woodbridge
Easton
Herndon
Bowie
Reston
National Harbor
Oxon Hill
Gettysburg

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.

Top 3 airlines flying from Ireland to Washington, D.C.

Discover the top 3 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$254Average$385FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$419Average$643FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$605Average$726FlexibilityNo cancel feeOn-time69%
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