Washington, D.C.

$326+ Cheap flights from Dublin (DUB) 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — WAS
Apr 2 — Apr 91
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1. Tell us where you want to go
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Cheapflights Tip: The best prices from Dublin to Washington, D.C. are usually found in January or November, booked 26 days in advance, depart on a Monday or Saturday and return on a Tuesday

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

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) 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 March 28, 2025.

Most accurate provider

Gurufare
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$350
(PLAY)

One-way from

$326
(PLAY)

Popular in

July

Cheapest in

January

Average price

$502

Good round-trip deal

$751 or less

Good one-way deal

$459 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 Dublin to Washington, D.C. (WAS)
One-way flight from Dublin to Washington, D.C. (WAS)
Highest demand for flights based on searches. 18% potential increase in price ($131 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from Dublin to Washington, D.C. (WAS).
Price to beat on a one-way flight from Dublin to Washington, D.C. (WAS).

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

Cheapest flights from Dublin to Washington, D.C.
Explore the most affordable flight options available from Dublin to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Tue 10/2111:35 amDUB - BWI
1 stop11h 05mPLAY
Sun 10/267:05 pmBWI - DUB
1 stop10h 35mPLAY
Deal found 3/27$333
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Sat 5/108:05 pmDUB - IAD
2 stops28h 54mScandinavian Airlines
Sat 5/1710:05 pmIAD - DUB
1 stop32h 45mScandinavian Airlines
Deal found 3/27$387
This Ticket deal was found by Cheapflights users on 3/26. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1112:15 pmDUB - BWI
1 stop12h 10mIcelandair
Sun 5/188:30 pmBWI - DUB
1 stop11h 45mIcelandair
Deal found 3/26$420
This Booking.com deal was found by Cheapflights users on 3/26. 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.
Tue 4/2912:15 pmDUB - IAD
1 stop12h 05mIcelandair
Wed 5/78:30 pmIAD - DUB
1 stop11h 45mIcelandair
Deal found 3/26$440
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Thu 5/16:50 amDUB - BWI
2 stops15h 50mMultiple Airlines
Mon 5/56:50 pmBWI - DUB
2 stops15h 50mMultiple Airlines
Deal found 3/27$455
This TravelUp deal was found by Cheapflights users on 3/27. 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.
Fri 5/212:45 pmDUB - BWI
1 stop11h 50mBritish Airways
Thu 5/89:20 pmBWI - DUB
1 stop12h 15mBritish Airways
Deal found 3/27$469
This lastminute.com deal was found by Cheapflights users on 3/26. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/64:35 pmDUB - IAD
Nonstop7h 55mAer Lingus
Sun 5/185:20 pmIAD - DUB
Nonstop6h 50mAer Lingus
Deal found 3/26$478
This oojo deal was found by Cheapflights users on 3/27. 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 5/17:05 pmDUB - DCA
2 stops32h 40mScandinavian Airlines
Mon 5/56:25 amDCA - DUB
2 stops24h 25mScandinavian Airlines
Deal found 3/27$479
This TravelUp deal was found by Cheapflights users on 3/27. 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 5/11:15 pmDUB - DCA
1 stop14h 30mKLM
Mon 5/53:25 pmDCA - DUB
1 stop14h 20mKLM
Deal found 3/27$493
This Booking.com deal was found by Cheapflights users on 3/27. 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.
Sun 4/610:30 amDUB - IAD
1 stop14h 45mBritish Airways
Tue 4/1510:40 pmIAD - DUB
1 stop13h 25mBritish Airways
Deal found 3/27$494
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 5/1110:30 amDUB - IAD
1 stop14h 40mAmerican Airlines
Sun 5/1810:40 pmIAD - DUB
1 stop10h 35mAmerican Airlines
Deal found 3/27$495
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/310:30 amDUB - DCA
2 stops13h 34mBritish Airways
Fri 5/96:35 amDCA - DUB
2 stops20h 05mBritish Airways
Deal found 3/27$502

Cheapflights Fare Finder

Customize your flight search to find flights from Dublin 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 March 28, 2025.
Use the filters below to find and compare flights from Dublin to Washington, D.C. that are best for you.

Fly from

Dublin

Fly to

Washington, D.C.

Route

Depart

Return

Price

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Thu 5/1

11:35 am-5:40 pm

1 stop11h 05m

Baltimore/Washington

Thu 5/29

6:50 pm-10:15 am

1 stop10h 25m

$350

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 5/10

8:05 pm-7:59 pm

2 stops28h 54m

Washington, D.C. Dulles Intl

Sat 5/17

10:05 pm-11:50 am

1 stop32h 45m

$387

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Sun 5/11

12:15 pm-7:25 pm

1 stop12h 10m

Baltimore/Washington

Sun 5/18

8:30 pm-1:15 pm

1 stop11h 45m

$420

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 4/29

12:15 pm-7:20 pm

1 stop12h 05m

Washington, D.C. Dulles Intl

Wed 5/7

8:30 pm-1:15 pm

1 stop11h 45m

$440

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Thu 5/1

6:50 am-5:40 pm

2 stops15h 50m

Baltimore/Washington

Mon 5/5

6:50 pm-3:40 pm

2 stops15h 50m

$455

DublinBaltimore

DUB - BWI

DUBBWI

Dublin

Fri 5/2

12:45 pm-7:35 pm

1 stop11h 50m

Baltimore/Washington

Thu 5/8

9:20 pm-2:35 pm

1 stop12h 15m

$469

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 5/6

4:35 pm-7:30 pm

Nonstop7h 55m

Washington, D.C. Dulles Intl

Sun 5/18

5:20 pm-5:10 am

Nonstop6h 50m

$478

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 5/1

7:05 pm-10:45 pm

2 stops32h 40m

Washington, D.C. Reagan-National

Mon 5/5

6:25 am-11:50 am

2 stops24h 25m

$479

DublinWashington, D.C.

DUB - DCA

DUBDCA

Dublin

Thu 5/1

1:15 pm-10:45 pm

1 stop14h 30m

Washington, D.C. Reagan-National

Mon 5/5

3:25 pm-10:45 am

1 stop14h 20m

$493

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sun 4/6

10:30 am-8:15 pm

1 stop14h 45m

Washington, D.C. Dulles Intl

Mon 4/14

10:40 pm-2:40 pm

1 stop11h 00m

$494

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 59 results
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Compare providers for flights from Dublin to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to Washington, D.C. in March.
ProviderPrice AccuracyTrust Score*
GurufarePrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dublin-Washington, D.C. flights, users find the pricing of Gurufare to be most consistent on Cheapflights vs. Gurufare Users can find the same prices on Dublin-Washington, D.C. flight deals on Cheapflights vs. Gurufare >95% of the time. Price accuracy is based on data collected from Dublin-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dublin-Washington, D.C. flights, Cheapflights users trust Gurufare the most. Gurufare has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Dublin to Washington, D.C. 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 Dublin to Washington, D.C. trip
Airlines
Aer Lingus

Pre-clear US immigration in Dublin, saving time upon arrival in the US.


Aer Lingus offers complimentary meals and drinks on all transatlantic flights, enhancing your travel experience.

United Airlines

Polaris passengers enjoy lie-flat seats and access to exclusive lounges with dining and relaxation areas.


Economy Plus offers extra legroom and priority boarding, ideal for added comfort on long-haul flights.

Our travel experts
Evie Carrick

Evie Carrick

Expert on Aer Lingus

Evie Carrick

Evie Carrick

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dublin to Washington, D.C.. Price data was last updated on March 21, 2025.

To ensure you get the cheapest price possible for a flight from Dublin to Washington, D.C., you should look to book at least 26 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Dublin to Washington, D.C. (average of $309). Flying from Dublin to Washington, D.C. in June is currently the most expensive (average of $385). 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 DUB to WAS?

Find hourly flight availability from Dublin 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 March 28, 2025.

It’s typically best to fly out from Dublin to Washington, D.C. at noon. Doing so could potentially save you 27% on the flight price compared to flying in the morning, which is usually more expensive.

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 March 28, 2025.
Read through reviews of airlines operating flights from Dublin to Washington, D.C., such as Delta, KLM and Austrian Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

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

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

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

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

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

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

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

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

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

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

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

    Most people fly from Dublin (DUB) if they book a flight from Dublin to Washington, D.C.. On average, Dublin has 4 outbound flights to Washington, D.C. per day from 3 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.

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

    Flying on PLAY is currently your cheapest option to Washington, D.C., with prices starting at $350. Additional round-trip tickets that might be worth considering are offered by Scandinavian Airlines and Icelandair, with the lowest prices starting at $387 and $420, respectively. PLAY is 37% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with PLAY, which is currently one of the cheapest options available, starting at $326. Icelandair flights start at $371 while deals on WestJet start at $418 one-way.

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

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

    The top 3 most reliable airlines when flying from Dublin to Washington, D.C. are Air Canada (91%), United Airlines (91%) and Lufthansa (91%).

  • What are the cheapest flights from Dublin to Washington, D.C.?

    Looking for the cheapest flight from Dublin to Washington, D.C.? While on average our users pay $1,171, our data indicates the cheapest price to be $408. The most popular route (Dublin - Washington, D.C. Dulles Intl), is priced around $387.

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Dublin to Washington, D.C. (average of $309). Flying from Dublin to Washington, D.C. in June is currently the most expensive (average of $385). 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 Dublin?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dublin to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

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

Discover the top 3 airlines that operate flights from Dublin 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$256Average$385FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$433Average$639FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$612Average$744FlexibilityNo cancel feeOn-time69%
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