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Washington, D.C.

$252+ Cheap flights from Ireland to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — WAS
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Ireland to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Ireland (IE0) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$252
(Booking.com)
From Ireland to Washington, D.C. (WAS)
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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 December 22, 2024.

This oojo deal was found by Cheapflights users on 12/21. 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.
Thu 12/2612:05 pmDUB - IAD
2 stops32h 35mScandinavian Airlines
Sun 1/125:10 pmIAD - DUB
1 stop13h 30mScandinavian Airlines
Deal found 12/21$525
This Iberia deal was found by Cheapflights users on 12/21. 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.
Thu 12/268:40 amDUB - BWI
1 stop15h 05mBritish Airways
Sun 1/128:30 pmBWI - DUB
1 stop10h 40mBritish Airways
Deal found 12/21$553
This Iberia deal was found by Cheapflights users on 12/21. 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.
Thu 12/2610:30 amDUB - IAD
1 stop14h 15mBritish Airways
Sun 1/126:00 pmIAD - DUB
1 stop10h 50mBritish Airways
Deal found 12/21$553
This Iberia deal was found by Cheapflights users on 12/21. 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.
Thu 12/268:40 amDUB - BWI
1 stop15h 05mMultiple Airlines
Sun 1/128:30 pmBWI - DUB
2 stops32h 45mMultiple Airlines
Deal found 12/21$628
This Delta deal was found by Cheapflights users on 12/21. 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 12/268:55 amDUB - IAD
1 stop15h 30mDelta
Mon 12/305:35 pmIAD - DUB
1 stop18h 05mDelta
Deal found 12/21$672
This Delta deal was found by Cheapflights users on 12/21. 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 12/268:50 amDUB - BWI
2 stops19h 38mDelta
Tue 1/75:15 pmBWI - DUB
2 stops18h 25mDelta
Deal found 12/21$694
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/264:10 pmDUB - IAD
Nonstop8h 05mAmerican Airlines
Sun 1/126:00 pmIAD - DUB
1 stop10h 10mAmerican Airlines
Deal found 12/21$694
This Iberia deal was found by Cheapflights users on 12/21. 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.
Thu 12/2611:00 amDUB - DCA
2 stops16h 40mIberia
Sun 1/125:49 pmDCA - DUB
2 stops35h 26mIberia
Deal found 12/21$722
This Lufthansa deal was found by Cheapflights users on 12/21. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2610:45 amDUB - IAD
1 stop14h 20mLufthansa
Mon 12/3010:05 pmIAD - DUB
Nonstop7h 00mLufthansa
Deal found 12/21$742
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Sat 12/2111:50 amDUB - IAD
Nonstop8h 20mUnited Airlines
Sun 1/510:05 pmIAD - DUB
Nonstop7h 00mUnited Airlines
Deal found 12/21$750
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Mon 12/239:00 amDUB - BWI
2 stops17h 36mUnited Airlines
Mon 12/306:20 amBWI - DUB
2 stops19h 40mUnited Airlines
Deal found 12/22$758
This Air France deal was found by Cheapflights users on 12/21. 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 12/268:55 amDUB - IAD
1 stop15h 30mMultiple Airlines
Tue 1/75:35 pmIAD - DUB
1 stop23h 30mMultiple Airlines
Deal found 12/21$771

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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Fri 1/17

11:00 am-5:00 pm

1 stop11h 00m

Baltimore/Washington

Fri 1/31

6:10 pm-9:40 am

1 stop10h 30m

$252

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Fri 1/17

7:00 am-5:00 pm

2 stops15h 00m

Baltimore/Washington

Fri 1/24

6:10 pm-4:10 pm

2 stops17h 00m

$401

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 1/27

12:10 pm-3:40 pm

2 stops56h 30m

Washington, D.C. Dulles Intl

Wed 2/5

5:10 pm-11:40 am

1 stop13h 30m

$423

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 2/4

1:20 pm-7:45 pm

1 stop11h 25m

Washington, D.C. Dulles Intl

Tue 2/11

6:00 pm-12:05 pm

1 stop13h 05m

$434

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Fri 1/17

11:30 am-6:25 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Fri 1/31

7:40 pm-10:15 am

1 stop9h 35m

$444

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Wed 2/5

10:25 am-8:55 pm

2 stops15h 30m

Washington, D.C. Reagan-National

Wed 2/12

5:49 pm-12:10 pm

2 stops13h 21m

$445

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Tue 2/4

11:30 am-6:30 pm

1 stop12h 00m

Baltimore/Washington

Tue 2/11

7:30 pm-10:15 am

1 stop9h 45m

$449

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 2/4

8:50 am-6:56 pm

2 stops15h 06m

Washington, D.C. Dulles Intl

Tue 2/11

6:30 pm-3:40 pm

1 stop16h 10m

$451

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Tue 2/4

8:30 pm-6:45 pm

1 stop27h 15m

Baltimore/Washington

Tue 2/11

10:25 pm-7:35 pm

1 stop16h 10m

$453

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Wed 2/5

8:40 am-6:45 pm

1 stop15h 05m

Baltimore/Washington

Wed 2/12

8:30 pm-12:10 pm

1 stop10h 40m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

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 December 22, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Washington, D.C. as you normally would.

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 December 22, 2024.
To help decide which airline to fly from Ireland to Washington, D.C., see what other customers have to say about Scandinavian Airlines, British Airways and Icelandair. 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.
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,342 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

SWISS
7.6
Good
1,605 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Air France
7.4
Good
1,501 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
9,028 reviews
Delta
8.0
Very good
8,594 reviews

Boarding

8.2

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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?

    $358 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 Scandinavian Airlines, with prices starting from $363 and $424, respectively.

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

    When deciding which route to take from Ireland to Washington, D.C. consider Dublin - Washington, D.C. Dulles Intl, Dublin - Baltimore/Washington or Dublin - Washington, D.C. Reagan-National as they are the most popular.

  • What are the most reliable airlines from Ireland to Washington, D.C.?

    Consider SWISS (100%), Air Canada (82%) or United Airlines (82%) 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 $1,074 for a flight from Ireland to Washington, D.C.. The cheapest flight overall is $395 while the most popular route, (Dublin - Washington, D.C. Dulles Intl) is currently priced at $352.

  • 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.

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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
Charles de Gaulle to Dulles Intl flights
Bruxelles-National to Dulles Intl flights
Frankfurt to Dulles Intl flights
Bruxelles-National to Reagan-National flights
Charles de Gaulle to Reagan-National flights
Orly to Dulles Intl flights
Gatwick to Dulles Intl flights
Istanbul to Dulles Intl flights
London City to Dulles Intl flights
Heathrow to Reagan-National flights
Frankfurt to Reagan-National flights
Dublin to Dulles Intl flights
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Frederic Chopin to Dulles Intl flights
Madrid to Reagan-National flights
Gatwick to Reagan-National flights
Luton to Dulles Intl flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Istanbul to Reagan-National flights
Munich to Reagan-National flights
Stansted to Dulles Intl flights
Barcelona-El Prat to Dulles Intl flights
Geneva to Dulles Intl flights
Athens to Dulles Intl flights
Sabiha Gokcen to Dulles Intl flights
Vienna to Reagan-National flights
Frederic Chopin to Reagan-National flights
Copenhagen to Dulles Intl flights
Lisbon to Dulles Intl flights
Budapest to Dulles Intl flights
Berlin to Dulles Intl flights
Zurich to Reagan-National flights
Athens to Reagan-National flights
Manchester to Dulles Intl flights
Amsterdam to Reagan-National flights
Barcelona-El Prat to Reagan-National flights
Leonardo da Vinci/Fiumicino to Reagan-National flights
Duesseldorf Intl to Dulles Intl flights
Malpensa to Dulles Intl flights
London City to Reagan-National flights
Edinburgh to Dulles Intl flights
Duesseldorf Intl to Reagan-National flights
Linate to Dulles Intl flights

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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$245Average$379FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$377Average$567FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$612Average$733FlexibilityNo cancel feeOn-time69%
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