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

Delta and United Airlines can get you from Washington, D.C. to Dublin in just under 14h 55m. Your travel time can differ by up to 5h 25m. Washington, D.C. and Dublin are separated by a distance of 3351 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, Aer Lingus ($359), Icelandair ($369), and Iberia ($391) offers the cheapest pricing from Washington, D.C. to Dublin. Aer Lingus is currently priced 54% 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 Lufthansa, as they are both options that can get you from Washington, D.C. to Dublin for a low price.

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.

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).

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, Washington, D.C. Reagan-National - Dublin or Baltimore/Washington - Dublin as they are the most popular.

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

While on average a flight from Washington, D.C. to Dublin is generally $2,064, our data shows the cheapest flight currently is $380. When looking at the most popular route, (Washington, D.C. Dulles Intl - Dublin), you can expect to pay $454 for that flight.

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: American Airlines (86%), Aer Lingus (86%), Iberia (86%).

What are the most popular airlines that fly from Washington, D.C. to Dublin?

When booking a flight from Washington, D.C. to Dublin, you may want to consider flying on Aer Lingus, United Airlines or Icelandair as they are the most popular for this route.

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.

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. 10 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 13 inbound flights from Washington, D.C. per day.

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.

$256+ Cheap Flights from Washington, D.C. to Dublin

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Cheapflights Tip: The best prices from Washington, D.C. to Dublin are usually found in January or February, booked 87 days in advance, depart on a Sunday or Wednesday and return on a Monday

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

Cheapest

Best

Last-minute

One-way

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 September 17, 2026.

Tue 11/107:40 pm -

1 stop9h 35m

Sun 11/2211:30 am -

1 stop12h 10m

Deal found 9/17

$469

Wed 11/47:40 pm -

1 stop9h 35m

Tue 11/1011:30 am -

1 stop12h 10m

Deal found 9/17

$470

Mon 11/167:40 pm -

1 stop9h 35m

Thu 12/311:30 am -

1 stop12h 10m

Deal found 9/17

$471

Tue 11/107:40 pm -

1 stop9h 35m

Tue 11/1711:30 am -

1 stop12h 10m

Deal found 9/17

$478

Tue 12/87:40 pm -

1 stop9h 35m

Mon 12/2111:30 am -

1 stop12h 10m

Deal found 9/17

$480

Tue 12/87:40 pm -

1 stop9h 35m

Mon 12/1411:30 am -

1 stop12h 10m

Deal found 9/13

$487

Fri 11/137:40 pm -

1 stop9h 35m

Tue 11/1711:30 am -

1 stop12h 10m

Deal found 9/16

$494

Mon 10/198:30 pm -

1 stop11h 45m

Thu 10/2911:30 am -

1 stop12h 10m

Deal found 9/16

$503

Mon 10/192:11 pm -

2 stops14h 49m

Wed 11/410:45 am -

2 stops14h 35m

Deal found 9/13

$546

Mon 11/97:40 pm -

1 stop9h 35m

Tue 11/1711:30 am -

1 stop12h 10m

Deal found 9/12

$553

Thu 10/228:25 am -

1 stop21h 45m

Thu 11/59:00 am -

1 stop28h 58m

Deal found 9/13

$580

Mon 10/128:20 pm -

1 stop16h 30m

Mon 10/196:35 pm -

1 stop27h 10m

Deal found 9/14

$588

Best flights from Washington, D.C. to Dublin
Discover carefully curated flight deals from Washington, D.C. to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.

Tue 11/171:50 pm -

1 stop14h 55m

Thu 11/269:40 am -

1 stop12h 44m

Deal found 9/12

$556

Wed 11/116:10 am -

2 stops20h 20m

Mon 11/169:00 am -

2 stops17h 42m

Deal found 9/15

$607

Wed 10/1410:21 am -

1 stop17h 24m

Mon 10/1911:00 am -

1 stop18h 51m

Deal found 9/16

$650

Sat 10/178:33 am -

1 stop15h 42m

Tue 10/2012:35 pm -

Nonstop8h 10m

Deal found 9/16

$740

Mon 10/195:00 pm -

1 stop10h 20m

Fri 10/2311:30 am -

1 stop16h 29m

Deal found 9/16

$765

Tue 10/276:30 pm -

1 stop11h 15m

Sat 11/79:55 am -

1 stop16h 50m

Deal found 9/13

$606

Wed 10/1411:55 am -

2 stops18h 15m

Mon 10/1911:35 am -

1 stop16h 24m

Deal found 9/16

$655

Thu 10/221:55 pm -

1 stop15h 50m

Wed 10/2811:55 am -

1 stop15h 03m

Deal found 9/12

$636

Wed 10/1411:55 am -

1 stop16h 50m

Sun 10/1811:35 am -

1 stop16h 24m

Deal found 9/12

$666

Thu 10/810:21 am -

1 stop17h 24m

Tue 10/1310:00 am -

1 stop13h 31m

Deal found 9/15

$641

Sat 10/39:09 am -

2 stops17h 21m

Thu 10/1511:35 am -

1 stop11h 38m

Deal found 9/14

$670

Mon 9/286:26 pm -

2 stops15h 24m

Wed 10/76:30 am -

2 stops16h 03m

Deal found 9/12

$855

Mon 9/285:00 pm -

1 stop10h 45m

Sat 10/1010:00 am -

1 stop16h 45m

Deal found 9/16

$650

Thu 10/88:25 am -

1 stop21h 45m

Sun 11/89:00 am -

1 stop28h 58m

Deal found 9/15

$674

Mon 10/59:45 am -

2 stops19h 15m

Mon 10/1210:00 am -

1 stop18h 23m

Deal found 9/15

$655

Thu 9/2412:25 pm -

2 stops15h 35m

Thu 10/17:30 am -

2 stops19h 14m

Deal found 9/15

$902

Sun 1/177:00 pm -

1 stop31h 30m

Thu 1/219:00 am -

1 stop28h 58m

Deal found 9/12

$681

Fri 10/97:05 pm -

Nonstop7h 15m

Mon 10/128:50 am -

Nonstop8h 00m

Deal found 9/15

$686

Thu 2/115:00 pm -

2 stops14h 40m

Mon 2/159:40 am -

1 stop12h 17m

Deal found 9/13

$692

Fri 10/212:38 pm -

1 stop17h 32m

Mon 10/128:50 am -

Nonstop8h 00m

Deal found 9/17

$690

Fri 10/26:19 pm -

1 stop11h 26m

Mon 10/1210:00 am -

1 stop18h 23m

Deal found 9/14

$701

Fri 10/912:38 pm -

1 stop13h 52m

Sun 10/188:50 am -

Nonstop8h 00m

Deal found 9/16

$690

Sat 10/32:00 pm -

2 stops14h 15m

Mon 10/1210:00 am -

1 stop17h 04m

Deal found 9/14

$705

Sun 11/227:55 pm -

1 stop30h 35m

Sun 11/299:00 am -

1 stop28h 58m

Deal found 9/12

$691

Thu 10/12:00 pm -

2 stops14h 15m

Sun 10/410:00 am -

1 stop13h 37m

Deal found 9/13

$705

Fri 10/98:20 pm -

1 stop9h 50m

Sat 10/179:30 am -

1 stop12h 28m

Deal found 9/12

$701

Thu 10/15:20 pm -

1 stop11h 25m

Sun 10/49:30 am -

1 stop11h 53m

Deal found 9/13

$701

Thu 12/175:02 pm -

2 stops14h 38m

Fri 12/258:50 am -

2 stops19h 15m

Deal found 9/12

$825

Thu 10/1511:57 am -

1 stop16h 48m

Fri 10/2311:35 am -

1 stop11h 58m

Deal found 9/15

$766

Sat 11/2110:20 pm -

Nonstop7h 00m

Sat 11/289:00 am -

1 stop16h 10m

Deal found 9/14

$789

Last-minute flights from Washington, D.C. to Dublin
Discover last-minute flight deals from Washington, D.C. to Dublin. Data last updated September 17, 2026 and is based on user searches.

Mon 9/216:05 am -

1 stop22h 40m

Wed 9/309:20 am -

2 stops54h 10m

Deal found 9/14

$576

Tue 9/225:35 pm -

1 stop11h 10m

Tue 9/299:20 am -

2 stops33h 38m

Deal found 9/14

$581

Tue 10/62:11 pm -

1 stop13h 34m

Tue 10/2010:00 am -

1 stop13h 31m

Deal found 9/16

$559

Mon 10/128:20 pm -

1 stop16h 30m

Mon 10/196:35 pm -

1 stop27h 10m

Deal found 9/14

$588

Tue 10/139:09 am -

1 stop19h 36m

Tue 10/209:50 am -

2 stops33h 08m

Deal found 9/13

$564

Mon 10/198:30 pm -

1 stop11h 45m

Thu 10/2911:30 am -

1 stop12h 10m

Deal found 9/16

$503

Mon 10/192:11 pm -

2 stops14h 49m

Wed 11/410:45 am -

2 stops14h 35m

Deal found 9/13

$546

Mon 10/198:30 pm -

2 stops23h 05m

Wed 10/2812:30 pm -

2 stops35h 10m

Deal found 9/14

$568

Thu 10/228:25 am -

1 stop21h 45m

Thu 11/59:00 am -

1 stop28h 58m

Deal found 9/13

$580

Thu 10/225:15 pm -

Nonstop7h 00m

Thu 11/53:50 pm -

Nonstop8h 30m

Deal found 9/13

$591

Sun 10/251:03 pm -

1 stop16h 42m

Tue 11/310:45 am -

2 stops14h 35m

Deal found 9/14

$560

Wed 10/284:45 pm -

1 stop11h 00m

Wed 11/49:40 am -

1 stop12h 46m

Deal found 9/13

$556

One-way flights from Washington, D.C. to Dublin
Search for one-way flight options from Washington, D.C. to Dublin. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.

Mon 10/198:30 pm -

1 stop11h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/17

$256

Mon 10/198:30 pm -

2 stops39h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/15

$272

Mon 10/128:30 pm -

2 stops23h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/16

$281

Mon 10/58:30 pm -

2 stops23h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/12

$282

Thu 10/298:40 pm -

3 stops42h 20m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/16

$285

Mon 11/237:40 pm -

2 stops18h 15m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/17

$289

Sun 10/188:30 pm -

1 stop11h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/17

$290

Wed 10/211:56 pm -

2 stops40h 34m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/15

$293

Mon 11/237:40 pm -

1 stop9h 35m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/17

$294

Mon 10/128:30 pm -

1 stop11h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/16

$295

Sat 12/57:29 pm -

2 stops47h 26m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/14

$296

Thu 10/1511:25 am -

3 stops22h 20m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/13

$436

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$469 (oojo)
One-way from	$256 (Flightnetwork)
Popular in	June
Cheapest in	January
Average price	$820
Good round-trip deal	$878 or less
Good one-way deal	$493 or less

Provider with most accurate pricing for Washington, D.C. (WAS)-Dublin flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Dublin flights.

Search Deals

From Washington, D.C. (WAS) to Dublin

Search Deals

One-way flight from Washington, D.C. (WAS) to Dublin

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($139 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Washington, D.C. (WAS) to Dublin.

Search Deals

Price to beat on a one-way flight from Washington, D.C. (WAS) to Dublin.

Search Deals

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

BaltimoreDublin

BWI Baltimore/Washington - DUB Dublin

BWIDUB

Baltimore/Washington

Thu 12/10

7:40 pm-10:15 am

1 stop9h 35m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$293

BaltimoreDublin

BWI Baltimore/Washington - DUB Dublin

BWIDUB

Baltimore/Washington

Sat 12/5

7:29 pm-11:55 pm

2 stops47h 26m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$296

BaltimoreDublin

BWI Baltimore/Washington - DUB Dublin

BWIDUB

Baltimore/Washington

Wed 10/21

9:15 am-7:15 am

3 stops41h 00m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$321

BaltimoreDublin

BWI Baltimore/Washington - DUB Dublin

BWIDUB

Baltimore/Washington

Tue 10/13

8:30 pm-2:50 pm

2 stops13h 20m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$325

BaltimoreDublin

BWI Baltimore/Washington - DUB Dublin

BWIDUB

Baltimore/Washington

Thu 10/15

11:20 pm-2:55 pm

2 stops34h 35m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$337

BaltimoreDublin

BWI Baltimore/Washington - DUB Dublin

BWIDUB

Baltimore/Washington

Sat 10/3

11:20 pm-8:10 am

2 stops27h 50m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$338

BaltimoreDublin

BWI Baltimore/Washington - DUB Dublin

BWIDUB

Baltimore/Washington

Sun 11/1

7:40 pm-6:00 pm

2 stops17h 20m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$363

Washington, D.C.Dublin

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

IADDUB

Washington, D.C. Dulles Intl

Fri 10/2

3:50 pm-1:15 pm

2 stops16h 25m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$444

Washington, D.C.Dublin

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

DCADUB

Washington, D.C. Reagan-National

Fri 10/2

12:40 pm-1:15 pm

3 stops19h 35m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$450

Quickest round-trip

Washington, D.C.Dublin

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

IADDUB

Washington, D.C. Dulles Intl

Sat 10/17

5:15 pm-5:15 am

Nonstop7h 00m

Dublin

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 resultsSorted by cheapest first

...

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 September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Kiwi.com	Price Accuracy3 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy3 stars	Trust Score*3 stars
Gotogate	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy2 stars	Trust 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.

WAS-DUB

BWI-DUB

DCA-DUB

IAD-DUB

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

WAS-DUB

BWI-DUB

DCA-DUB

IAD-DUB

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 $571). Flying from Washington, D.C. to Dublin in June is currently the most expensive (average of $1,079). 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 (15 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (11 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 $647 and $955 in March.
The cheapest round-trip price found within the last 5 days was $423 on Icelandair (Mar 11-Mar 17).

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 13% of weekly flights between Washington, D.C. and Dublin have experienced delays in the past year, with the average delay time being 180 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 9% 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

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

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.

Get a feel of what it's like to fly with United Airlines,Aer Lingus, andAmerican Airlines 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.

United Airlines

7.4

Good

10,217 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

United Airlines

7.4

Good

10,217 reviews

United Airlines

7.4

Good

10,217 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Aer Lingus

7.3

Good

1,765 reviews

United Airlines

7.4

Good

10,217 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

American Airlines

7.1

Good

12,075 reviews

United Airlines

7.4

Good

10,217 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

JetBlue

7.1

Good

3,035 reviews

United Airlines

7.4

Good

10,217 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Icelandair

6.9

Okay

745 reviews

United Airlines

7.4

Good

10,217 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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. 10 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 13 inbound flights from Washington, D.C. per day.
How long is the flight from Washington, D.C. to Dublin?
Delta and United Airlines can get you from Washington, D.C. to Dublin in just under 14h 55m. Your travel time can differ by up to 5h 25m. Washington, D.C. and Dublin are separated by a distance of 3351 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, Aer Lingus ($359), Icelandair ($369), and Iberia ($391) offers the cheapest pricing from Washington, D.C. to Dublin. Aer Lingus is currently priced 54% 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 Lufthansa, 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, Washington, D.C. Reagan-National - Dublin or Baltimore/Washington - Dublin as they are the most popular.
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: American Airlines (86%), Aer Lingus (86%), Iberia (86%).
What are the cheapest flights from Washington, D.C. to Dublin?
While on average a flight from Washington, D.C. to Dublin is generally $2,064, our data shows the cheapest flight currently is $380. When looking at the most popular route, (Washington, D.C. Dulles Intl - Dublin), you can expect to pay $454 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 $571). Flying from Washington, D.C. to Dublin in June is currently the most expensive (average of $1,079). 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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Top 10 airlines flying from Washington, D.C. to Dublin

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest$359	Average$728	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$366	Average$630	FlexibilityNo cancel fee	On-time76%
Iberia	Cheapest$391	Average$871	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$429	Average$824	FlexibilityNo cancel fee	On-time70%
American Airlines	Cheapest$445	Average$819	FlexibilityNo cancel fee	On-time71%
JetBlue	Cheapest$477	Average$771	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$537	Average$823	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$556	Average$849	FlexibilityNo cancel fee	On-time69%
Turkish Airlines	Cheapest$577	Average$606	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$590	Average$867	FlexibilityNo cancel fee	On-time76%

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

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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.

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

Cheapest flights from Washington, D.C. to DublinExplore 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 September 17, 2026.

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 September 17, 2026.

Best flights from Washington, D.C. to DublinDiscover carefully curated flight deals from Washington, D.C. to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.

Discover carefully curated flight deals from Washington, D.C. to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.

Last-minute flights from Washington, D.C. to DublinDiscover last-minute flight deals from Washington, D.C. to Dublin. Data last updated September 17, 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to Dublin. Data last updated September 17, 2026 and is based on user searches.

One-way flights from Washington, D.C. to DublinSearch for one-way flight options from Washington, D.C. to Dublin. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.

Search for one-way flight options from Washington, D.C. to Dublin. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.

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Compare providers for flights from Washington, D.C. to Dublin

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 Washington, D.C. to Dublin in September.

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.

Cheapflights Insights

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

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 September 17, 2026.

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 (15 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (11 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 $647 and $955 in March.The cheapest round-trip price found within the last 5 days was $423 on Icelandair (Mar 11-Mar 17).

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

Share of 1-stop round-trip flights from Washington, D.C. to Dublin chosen by Cheapflights users in the past 12 months, using the same layover each way.

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?

Average round-trip fare for 1-stop flights from Washington, D.C. to Dublin, chosen by Cheapflights users in the past 12 months, with the same layover each way.

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?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. to Dublin, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

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?

Average layover duration for 1-stop one-way flights from Washington, D.C. to Dublin, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

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 13% of weekly flights between Washington, D.C. and Dublin have experienced delays in the past year, with the average delay time being 180 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 9% 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

AI-powered summary based on content written by travel experts. AI can make mistakes.

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

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Reviews of airlines servicing Dublin

Get a feel of what it's like to fly with United Airlines,Aer Lingus, andAmerican Airlines 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.

Related info for your journey

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

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

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

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

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

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

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

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

How can I find direct flights 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 September 17, 2026.

Best flights from Washington, D.C. to Dublin
Discover carefully curated flight deals from Washington, D.C. to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.

Last-minute flights from Washington, D.C. to Dublin
Discover last-minute flight deals from Washington, D.C. to Dublin. Data last updated September 17, 2026 and is based on user searches.

One-way flights from Washington, D.C. to Dublin
Search for one-way flight options from Washington, D.C. to Dublin. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.

Washington, D.C. to Dublin flights typically cost between $647 and $955 in March.
The cheapest round-trip price found within the last 5 days was $423 on Icelandair (Mar 11-Mar 17).