Washington, D.C.

$290+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — WAS
Jun 17 — Jun 241
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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 June 12, 2025.

Round-trip from

$337
(PLAY)

One-way from

$290
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$683

Good round-trip deal

$717 or less

Good one-way deal

$464 or less
From Ireland to Washington, D.C. (WAS)
One-way flight from Ireland to Washington, D.C. (WAS)
Highest demand for flights based on searches. 14% potential increase in price ($95 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 June 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 June 12, 2025.

This PLAY deal was found by Cheapflights users on 6/10. 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 PLAY is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2211:35 amDUB - BWI
1 stop11h 05mPLAY
Fri 10/317:05 pmBWI - DUB
1 stop10h 35mPLAY
Deal found 6/10$337
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2212:15 pmDUB - BWI
1 stop12h 10mIcelandair
Sat 10/258:30 pmBWI - DUB
1 stop9h 35mIcelandair
Deal found 6/12$431
This Iberia deal was found by Cheapflights users on 6/12. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2210:50 amDUB - BWI
1 stop13h 45mBritish Airways
Fri 10/319:30 pmBWI - DUB
1 stop13h 35mBritish Airways
Deal found 6/12$492
This TravelUp deal was found by Cheapflights users on 6/11. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1911:45 amDUB - BWI
1 stop17h 31mMultiple Airlines
Sat 7/59:20 pmBWI - DUB
1 stop31h 20mMultiple Airlines
Deal found 6/11$496
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 9/275:55 amDUB - BWI
2 stops16h 27mDelta
Sun 10/54:39 pmBWI - DUB
1 stop11h 06mDelta
Deal found 6/11$507
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 6/199:30 amDUB - BWI
2 stops17h 46mAmerican Airlines
Sat 7/59:20 pmBWI - DUB
1 stop31h 20mAmerican Airlines
Deal found 6/11$508
This Delta deal was found by Cheapflights users on 6/10. 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.
Thu 11/135:55 amDUB - DCA
2 stops16h 32mDelta
Tue 11/255:00 pmDCA - DUB
2 stops14h 40mDelta
Deal found 6/10$520
This Delta deal was found by Cheapflights users on 6/10. 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.
Thu 11/135:55 amDUB - IAD
2 stops15h 36mDelta
Tue 11/255:10 pmIAD - DUB
2 stops14h 30mDelta
Deal found 6/10$520
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 6/1911:45 amDUB - DCA
1 stop12h 45mAmerican Airlines
Wed 6/2511:51 amDCA - DUB
1 stop12h 39mAmerican Airlines
Deal found 6/11$526
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 6/1911:45 amDUB - IAD
1 stop10h 26mAmerican Airlines
Wed 6/251:08 pmIAD - DUB
1 stop11h 22mAmerican Airlines
Deal found 6/11$526
This KLM deal was found by Cheapflights users on 6/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/211:15 pmDUB - DCA
1 stop14h 04mKLM
Tue 10/286:55 pmDCA - DUB
1 stop10h 25mKLM
Deal found 6/12$531
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/912:30 pmSNN - BWI
2 stops26h 25mUnited Airlines
Tue 9/305:20 pmBWI - SNN
2 stops35h 55mUnited Airlines
Deal found 6/12$534

Cheapflights Fare Finder

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 June 12, 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

Wed 10/22

11:35 am-5:40 pm

1 stop11h 05m

Baltimore/Washington

Fri 10/31

7:05 pm-9:40 am

1 stop10h 35m

$337

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 10/22

12:15 pm-7:25 pm

1 stop12h 10m

Baltimore/Washington

Sat 10/25

8:30 pm-11:05 am

1 stop9h 35m

$431

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 10/22

10:50 am-7:35 pm

1 stop13h 45m

Baltimore/Washington

Fri 10/31

9:30 pm-3:05 pm

1 stop13h 35m

$492

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Sat 9/27

5:55 am-5:22 pm

2 stops16h 27m

Baltimore/Washington

Sun 10/5

4:39 pm-8:45 am

1 stop11h 06m

$507

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 11/13

5:55 am-5:27 pm

2 stops16h 32m

Washington, D.C. Reagan-National

Tue 11/25

5:00 pm-12:40 pm

2 stops14h 40m

$520

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Thu 11/13

5:55 am-4:31 pm

2 stops15h 36m

Washington, D.C. Dulles Intl

Tue 11/25

5:10 pm-12:40 pm

2 stops14h 30m

$520

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Tue 10/21

1:15 pm-10:19 pm

1 stop14h 04m

Washington, D.C. Reagan-National

Tue 10/28

6:55 pm-9:20 am

1 stop10h 25m

$531

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 6/25

12:40 pm-12:44 pm

1 stop29h 04m

Washington, D.C. Reagan-National

Mon 7/7

6:10 am-6:30 am

1 stop19h 20m

$534

ShannonBaltimore

SNN - BWI

SNNBWI

Shannon

Tue 9/9

12:30 pm-9:55 am

2 stops26h 25m

Baltimore/Washington

Tue 9/30

5:20 pm-10:15 am

2 stops35h 55m

$534

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 6/24

10:30 am-8:10 pm

1 stop14h 40m

Washington, D.C. Dulles Intl

Sat 7/5

10:45 pm-7:25 pm

1 stop15h 40m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.

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, August is the cheapest month in which you can book a flight from Ireland to Washington, D.C. (average of $241). Flying from Ireland to Washington, D.C. in March is currently the most expensive (average of $290). 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 June 12, 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 15% 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 June 12, 2025.

The most flights from IE0 to WAS are scheduled on a Thursday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 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 June 12, 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 Air France. 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

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
8.0
Very good

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

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

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

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

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

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

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

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

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

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?

    $329 is the cheapest one-way deal found within the past few days, from PLAY. You may also be able to find cheap deals on WorldTicket and Icelandair, with prices starting from $384 and $389, 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 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 $241). Flying from Ireland to Washington, D.C. in March is currently the most expensive (average of $290). 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
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas
Dundalk

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 4 airlines flying from Ireland to Washington, D.C.

Discover the top 4 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$281Average$387FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$420Average$547FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$446Average$626FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$569Average$756FlexibilityNo cancel feeOn-time69%

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