Dublin

$256+ Cheap flights from Washington, D.C. (WAS) to Dublin (DUB)

WAS — DUB
Dec 5 — Dec 121
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Cheapflights Tip: The best prices from Washington, D.C. to Dublin are usually found in January or February, booked 51 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

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

Cheapest flights from Washington, D.C. to Dublin

Sun 11/2910:30 pm -
2 stops20h 05m
Sun 12/69:10 am -
2 stops35h 05m
Deal found 10/30$599
Mon 11/307:40 pm -
1 stop9h 35m
Thu 12/1011:30 am -
1 stop12h 00m
Deal found 11/3$612
Sun 11/227:40 pm -
1 stop9h 35m
Thu 12/311:30 am -
1 stop12h 00m
Deal found 11/1$613
Wed 12/97:40 pm -
2 stops18h 55m
Sun 12/138:50 pm -
2 stops26h 40m
Deal found 11/1$615
Sat 12/57:40 pm -
1 stop9h 35m
Mon 12/1411:30 am -
1 stop12h 00m
Deal found 11/1$626
Mon 11/95:25 pm -
1 stop17h 45m
Wed 11/184:55 pm -
1 stop27h 20m
Deal found 10/30$629
Fri 11/2710:30 pm -
1 stop12h 40m
Sun 12/1311:10 am -
1 stop14h 25m
Deal found 11/3$630
Sun 11/227:40 pm -
1 stop9h 35m
Tue 12/111:30 am -
1 stop12h 00m
Deal found 11/3$631
Sun 11/157:40 pm -
1 stop9h 35m
Tue 11/2411:30 am -
1 stop12h 00m
Deal found 11/1$632
Sat 11/147:40 pm -
1 stop9h 35m
Wed 2/1011:30 am -
1 stop12h 00m
Deal found 10/31$633
Wed 12/97:40 pm -
2 stops18h 55m
Wed 12/161:10 pm -
2 stops34h 20m
Deal found 10/31$639
Tue 12/87:40 pm -
1 stop9h 35m
Mon 12/1411:30 am -
1 stop12h 00m
Deal found 11/1$642

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$590

One-way from

$256
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$743

Good round-trip deal

$836 or less

Good one-way deal

$432 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Dublin flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Dublin flights.
From Washington, D.C. (WAS) to Dublin
One-way flight from Washington, D.C. (WAS) to Dublin
Highest demand for flights based on searches. 13% potential increase in price ($124 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Dublin.
Price to beat on a one-way flight from Washington, D.C. (WAS) to Dublin.

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Dublin

IAD Washington, D.C. Dulles Intl - DUB Dublin

IADDUB

Washington, D.C. Dulles Intl

Mon 4/26

7:15 pm-2:30 pm

1 stop14h 15m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$324

Washington, D.C.Dublin

DCA Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Tue 2/2

3:30 pm-8:10 am

1 stop11h 40m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$334

Washington, D.C.Dublin

IAD Washington, D.C. Dulles Intl - DUB Dublin

IADDUB

Washington, D.C. Dulles Intl

Sat 4/10

12:35 pm-8:15 am

2 stops38h 40m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$338

Washington, D.C.Dublin

IAD Washington, D.C. Dulles Intl - DUB Dublin

IADDUB

Washington, D.C. Dulles Intl

Mon 4/26

10:10 pm-8:15 am

2 stops29h 05m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$338

Washington, D.C.Dublin

IAD Washington, D.C. Dulles Intl - DUB Dublin

IADDUB

Washington, D.C. Dulles Intl

Sat 3/27

10:10 pm-7:30 am

1 stop28h 20m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$340

Washington, D.C.Dublin

IAD Washington, D.C. Dulles Intl - DUB Dublin

IADDUB

Washington, D.C. Dulles Intl

Fri 4/23

8:30 pm-11:05 am

1 stop9h 35m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$351
Quickest round-trip

Washington, D.C.Dublin

IAD Washington, D.C. Dulles Intl - DUB Dublin

IADDUB

Washington, D.C. Dulles Intl

Thu 4/22

5:15 pm-5:15 am

Nonstop7h 00m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$368

Washington, D.C.Dublin

IAD Washington, D.C. Dulles Intl - DUB Dublin

IADDUB

Washington, D.C. Dulles Intl

Sat 3/13

5:45 pm-6:10 am

2 stops31h 25m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$373

Washington, D.C.Dublin

IAD Washington, D.C. Dulles Intl - DUB Dublin

IADDUB

Washington, D.C. Dulles Intl

Fri 4/23

8:11 pm-7:45 am

2 stops30h 34m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$376

Washington, D.C.Dublin

DCA Washington, D.C. Reagan-National - DUB Dublin

DCADUB

Washington, D.C. Reagan-National

Wed 1/27

2:50 pm-10:15 am

2 stops14h 25m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 44 resultsSorted by cheapest first
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Compare providers for flights from Washington, D.C. to Dublin

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Dublin in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 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 Washington, D.C.-Dublin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Dublin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Dublin flights, Cheapflights users trust FlightHub the most. FlightHub 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 Washington, D.C.-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Dublin

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Dublin (average of $605). Flying from Washington, D.C. to Dublin in June is currently the most expensive (average of $1,066). 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?

When flying from Washington, D.C. to Dublin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

The most flights from WAS to DUB are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from Washington, D.C. to Dublin?

Airfare is below average for this route at the moment.
Washington, D.C. to Dublin flights typically cost between $638 and $932 in January.
The cheapest round-trip price found within the last 5 days was $590 on Icelandair (Jan 20-Jan 25).

What’s the top layover airport for flights from Washington, D.C. to Dublin?

Frankfurt am Main (FRA) – chosen by Cheapflights users on 73% of 1-stop itineraries from Washington, D.C. to Dublin on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. to Dublin?

Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $606.

What’s the fastest layover option from Washington, D.C. to Dublin?

Flights via Reykjavik (KEF) have the shortest average one-way travel time for 1-stop routes: 9h 35m.

Which airport typically offers the quickest layover for flights from Washington, D.C. to Dublin?

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 1h 20m.

How often are flights from Washington, D.C. to Dublin delayed?

About 12% of weekly flights between Washington, D.C. and Dublin have experienced delays in the past year, with the average delay time being 181 minutes.

What is the most punctual flight time for Washington, D.C. to Dublin flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Dublin flights?

Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 8% of flights being delayed.

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

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 50 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Dublin trip
Our travel experts
James March

James March

Expert on DUB

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.

Ramsey Qubein

Ramsey Qubein

Expert on IAD

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.

Reviews of airlines servicing Dublin

Get a feel of what it's like to fly with Aer Lingus,United Airlines, andJetBlue from Washington, D.C. to Dublin by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.5

Comfort

7.2

Food

6.7

Entertainment

7.0

Crew

8.1

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.

Boarding

7.5

Comfort

7.2

Food

6.7

Entertainment

7.0

Crew

8.1

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.

Boarding

7.5

Comfort

7.2

Food

6.7

Entertainment

7.0

Crew

8.1

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.

Boarding

7.5

Comfort

7.2

Food

6.7

Entertainment

7.0

Crew

8.1

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.

Boarding

7.5

Comfort

7.2

Food

6.7

Entertainment

7.0

Crew

8.1

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.

Boarding

7.5

Comfort

7.2

Food

6.7

Entertainment

7.0

Crew

8.1

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

SFO - DUB

The boarding went smoothly, the crew were great and helped me with an extra pillow, the food was good including complementary wine with dinner (economy seating), and I was able to sleep. The flight arrived early which helped with connections. Overall a great experience.

Related info for your journey

  • 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. 9 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 10 inbound flights from Washington, D.C. per day.

  • How long is the flight from Washington, D.C. to Dublin?

    TAP AIR PORTUGAL, United Airlines, and Delta can get you from Washington, D.C. to Dublin in just under 7h 10m. Your travel time can differ by up to 4h 50m. Washington, D.C. and Dublin are separated by a distance of 3393 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, Icelandair ($377), Aer Lingus ($377), and Iberia ($391) offers the cheapest pricing from Washington, D.C. to Dublin. Icelandair is currently priced 52% 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 Icelandair, with whom users have recently found tickets for as low as $165. However, be on the lookout for offers from Aer Lingus and United Airlines, 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?

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to Dublin on time: Qatar Airways (98%), American Airlines (96%), Aer Lingus (96%).

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

    While on average a flight from Washington, D.C. to Dublin is generally $752, our data shows the cheapest flight currently is $355. When looking at the most popular route, (Washington, D.C. Dulles Intl - Dublin), you can expect to pay $546 for that flight.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Dublin (average of $605). Flying from Washington, D.C. to Dublin in June is currently the most expensive (average of $1,066). 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?

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Castleknock
Bray

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Alternative routes for Washington, D.C. to Dublin

Top 9 airlines flying from Washington, D.C. to Dublin

AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$366Average$647FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$377Average$731FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$391Average$952FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$429Average$824FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$445Average$779FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$477Average$771FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$589Average$852FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$590Average$864FlexibilityNo cancel feeOn-time76%
DeltaCheapest$605Average$823FlexibilityNo cancel feeOn-timeN/A

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