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$253+ Cheap flights from Washington, D.C. (WAS) to Dublin (DUB)

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — DUB
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Dublin are usually found in January or March, booked 73 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Washington, D.C. to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Dublin (DUB). 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 junio 12, 2025.

Round-trip from

$366
(CheapOair)

One-way from

$253
(Booking.com)

Popular in

June

Cheapest in

January

Average price

$868

Good round-trip deal

$590 or less

Good one-way deal

$483 or less
From Washington, D.C. (WAS) to Dublin
Search Deals
One-way flight from Washington, D.C. (WAS) to Dublin
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Highest demand for flights based on searches. 14% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Dublin.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Dublin.
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Find flight deals from Washington, D.C. to Dublin

Cheapest flights from Washington, D.C. to Dublin
Explore the most affordable flight options available from Washington, D.C. to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/246:50 pmBWI - DUB
1 stop10h 15mPLAY
vie. 10/3111:00 amDUB - BWI
1 stop10h 55mPLAY
Deal found 6/10$340
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/283:45 pmDCA - DUB
1 stop12h 15mJetBlue
mié. 8/610:40 amDUB - DCA
1 stop13h 19mJetBlue
Deal found 6/10$482
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/810:05 pmIAD - DUB
1 stop15h 10mScandinavian Airlines
dom. 10/1210:15 amDUB - IAD
1 stop14h 44mScandinavian Airlines
Deal found 6/11$483
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/229:00 pmIAD - DUB
Nonstop6h 50mAer Lingus
jue. 10/3012:15 pmDUB - IAD
Nonstop8h 20mAer Lingus
Deal found 6/11$503
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/51:51 pmBWI - DUB
2 stops18h 24mMultiple Airlines
mar. 9/92:15 pmDUB - BWI
2 stops22h 18mMultiple Airlines
Deal found 6/11$505
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/219:20 pmBWI - DUB
1 stop12h 25mBritish Airways
mié. 10/298:40 amDUB - BWI
1 stop15h 05mBritish Airways
Deal found 6/12$511
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/136:59 amDCA - DUB
1 stop20h 16mAir Canada
mar. 7/229:20 amDUB - DCA
1 stop29h 58mAir Canada
Deal found 6/11$526
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/85:30 pmIAD - DUB
1 stop17h 40mTAP AIR PORTUGAL
lun. 12/155:05 pmDUB - IAD
1 stop26h 30mTAP AIR PORTUGAL
Deal found 6/11$526
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/85:20 pmBWI - DUB
1 stop11h 25mUnited Airlines
mar. 7/2210:00 amDUB - BWI
2 stops40h 42mUnited Airlines
Deal found 6/10$536
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/3010:10 pmIAD - DUB
1 stop30h 35mUnited Airlines
mar. 9/169:50 amDUB - IAD
1 stop28h 48mUnited Airlines
Deal found 6/10$537
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.
mié. 7/96:00 amDCA - DUB
1 stop20h 45mUnited Airlines
jue. 7/179:20 amDUB - DCA
1 stop11h 28mUnited Airlines
Deal found 6/12$538
This Flightnetwork 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/99:45 amIAD - DUB
1 stop17h 00mMultiple Airlines
mié. 7/161:00 pmDUB - IAD
1 stop32h 15mMultiple Airlines
Deal found 6/11$538

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. to Dublin 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 junio 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Dublin that are best for you.

Fly from

Washington, D.C.

Fly to

Dublin

Route

Depart

Return

Price

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

vie. 10/24

6:50 pm-10:05 am

1 stop10h 15m

Dublin

vie. 10/31

11:00 am-5:55 pm

1 stop10h 55m

$340

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

lun. 7/28

3:45 pm-9:00 am

1 stop12h 15m

Dublin

mié. 8/6

10:40 am-6:59 pm

1 stop13h 19m

$482

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

mié. 10/8

10:05 pm-6:15 pm

1 stop15h 10m

Dublin

dom. 10/12

10:15 am-7:59 pm

1 stop14h 44m

$483

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

mié. 10/22

9:00 pm-8:50 am

Nonstop6h 50m

Dublin

jue. 10/30

4:20 pm-8:30 pm

Nonstop8h 10m

$503

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

vie. 9/5

1:51 pm-1:15 pm

2 stops18h 24m

Dublin

mar. 9/9

2:15 pm-7:33 am

2 stops22h 18m

$505

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

mar. 10/21

9:20 pm-2:45 pm

1 stop12h 25m

Dublin

mié. 10/29

8:40 am-7:45 pm

1 stop15h 05m

$511

Washington, D.C.Dublin

DCA - DUB

DCADUB

Washington, D.C. Reagan-National

dom. 7/13

6:59 am-8:15 am

1 stop20h 16m

Dublin

mar. 7/22

9:20 am-10:18 am

1 stop29h 58m

$526

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

lun. 12/8

5:30 pm-4:10 pm

1 stop17h 40m

Dublin

lun. 12/15

5:05 pm-2:35 pm

1 stop26h 30m

$526

BaltimoreDublin

BWI - DUB

BWIDUB

Baltimore/Washington

mar. 7/8

5:20 pm-9:45 am

1 stop11h 25m

Dublin

mar. 7/22

10:00 am-9:42 pm

2 stops40h 42m

$536

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

sáb. 8/30

10:10 pm-9:45 am

1 stop30h 35m

Dublin

mar. 9/16

9:50 am-9:38 am

1 stop28h 48m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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The best insider tips for Washington, D.C. to Dublin flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Dublin trip
Airports
IAD

For a smooth departure from IAD, use the Aerotrain to navigate between terminals quickly, but be prepared for long walks from the train to gates.

Read more about IADby Ramsey Qubein
DUB

Upon arrival at DUB, use the Aircoach or Dublin Express for a quick 30-40 minute trip to central Dublin from Terminal 2.

Read more about DUBby James March
Our travel experts
James March

James March

Expert on DUB

James March

James March

For UK-based James March, nothing beats the thrill and chaos of arriving in a new city for the first time, and he tries to put that feeling into his writing and inspire others to travel too. From Birmingham to Blackpool and Leicester to Liverpool, James has reviewed hotels, written narratives and created guides for those who love to travel.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Washington, D.C. to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Washington, D.C. 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 Washington, D.C. to Dublin

How far ahead should I book a flight from Washington, D.C. to Dublin?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Dublin. Price data was last updated on June 9, 2025.

The price you pay for your flight from Washington, D.C. to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Dublin (average of $509). Flying from Washington, D.C. to Dublin in June 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 WAS to DUB?

Find hourly flight availability from Washington, D.C. to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

It’s typically best to fly out from Washington, D.C. to Dublin in the afternoon. Doing so could potentially save you 14% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. to Dublin?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Dublin. Price data was last updated on September 8, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Dublin flight should consider departing on Tuesday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Dublin

Explore weekly flight availability from Washington, D.C. to Dublin. 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 junio 12, 2025.

The most flights from WAS to DUB are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Dublin when rainfall is around 1.9 in.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dublin, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated junio 12, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Dublin, such as Delta, KLM and Air Transat. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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!
Air Transat
7.8
Good
396 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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 Washington, D.C. to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Dublin from Washington, D.C.?

    Dublin (DUB), located 5.7 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Dublin. 11 airlines have flights to Dublin from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Dublin should not be difficult; the airport handles an average of 11 inbound flights from Washington, D.C. per day.

  • What are the cheapest airlines flying from Washington, D.C. to Dublin round-trip?

    According to our current data, PLAY ($366), JetBlue ($482), and Scandinavian Airlines ($483) offers the cheapest pricing from Washington, D.C. to Dublin. PLAY is currently priced 45% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is PLAY, with whom users have recently found tickets for as low as $253. However, be on the lookout for offers from Icelandair and JetBlue, as they are both options that can get you from Washington, D.C. to Dublin for a low price.

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

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

  • Can I find deals for flights from Washington, D.C. to Dublin that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Dublin.

  • Can I find deals for business class flights from Washington, D.C. to Dublin?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Dublin 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 Washington, D.C. to Dublin?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Dublin (average of $509). Flying from Washington, D.C. to Dublin in June 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

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Maynooth
Castleknock
Swords
Wicklow
Leixlip

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Top 10 airlines flying from Washington, D.C. to Dublin

Discover the top 10 airlines that operate flights from Washington, D.C. to Dublin. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$283Average$411FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$322Average$494FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$415Average$674FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$457Average$715FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$457Average$682FlexibilityNo cancel feeOn-time70%
KLMCheapest$491Average$686FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$496Average$819FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$526Average$673FlexibilityNo cancel feeOn-time62%
DeltaCheapest$548Average$1,008FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$550Average$882FlexibilityNo cancel feeOn-time71%

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