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

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 44m.

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

Reykjavik (KEF) – chosen by Cheapflights users on 67% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Dublin on Cheapflights.

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

Saturday 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.

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.

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 16% of flights being delayed.

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

Copenhagen (CPH) is the most affordable 1-stop option, with an average round-trip price of $481.

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

About 20% of weekly flights between Washington, D.C. and Dublin have experienced delays in the past year, with the average delay time being 166 minutes.

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

Departing from Washington, D.C. Dulles Intl Airport to Dublin will take you 7h. Airlines will cover a distance of 3393 mi. This flight may include one or multiple stops.

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

Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Dublin round-trip from $322. Other airlines that can offer you cheap pricing are Icelandair, from $371, and TAP AIR PORTUGAL, from $427. PLAY is 55% cheaper than the average price of flights available within the next 90 days to this destination.

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

The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $249. 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. Dulles Intl Airport to Dublin for a low price.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Dublin

The most flights from IAD to DUB are scheduled on a Monday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 on average).

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 cheapest flights from Washington, D.C. Dulles Intl Airport to Dublin?

On average you can expect to pay $704 for a flight from Washington, D.C. Dulles Intl Airport to Dublin. The cheapest flight overall is $375 while the most popular route, (Washington, D.C. Dulles Intl - Dublin) is currently priced at $423.

What are the most reliable airlines from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Dublin on time: Aer Lingus (93%), Qatar Airways (90%), British Airways (89%).

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

When booking a flight from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport-Dublin flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Washington, D.C. Dulles Intl Airport-Dublin flight deals on Cheapflights vs. Gotogate >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Dublin flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Dublin flights, Cheapflights users trust Gotogate the most. Gotogate 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. Dulles Intl Airport-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. Dulles Intl?

Most people fly into Dublin (DUB) if they book a flight to Dublin from Washington, D.C. Dulles Intl. On average, Dublin has 13 inbound flights from Washington, D.C. Dulles Intl per day from 10 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.

Can I find deals for flights from Dulles Intl to Dublin that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Dublin?

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

Can I find deals for business class flights from Dulles Intl to Dublin?

Yes. Cheapflights offers flight deals from Dulles Intl 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.

$238+ Flights from Washington, D.C. Dulles Intl Airport to Dublin

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Dublin are usually found in February or January, booked 45 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Dulles Intl to Dublin

Cheapest flights from Dulles Intl to Dublin
Explore the most affordable flight options available from Dulles Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Sun 12/2810:20 pmIAD - DUB

Nonstop7h 00mMultiple Airlines

Thu 1/86:35 pmDUB - IAD

2 stops24h 25mMultiple Airlines

Deal found 12/14

$629

Tue 12/302:21 pmIAD - DUB

1 stop12h 24mKLM

Wed 1/71:25 pmDUB - IAD

1 stop31h 40mKLM

Deal found 12/14

$669

Tue 12/305:25 pmIAD - DUB

1 stop19h 20mMultiple Airlines

Wed 1/75:20 pmDUB - IAD

2 stops25h 40mMultiple Airlines

Deal found 12/15

$741

Tue 12/3010:20 pmIAD - DUB

Nonstop7h 00mLufthansa

Wed 1/75:55 pmDUB - IAD

1 stop31h 10mLufthansa

Deal found 12/16

$785

Wed 12/245:10 pmIAD - DUB

2 stops33h 00mMultiple Airlines

Wed 12/315:10 amDUB - IAD

1 stop15h 40mMultiple Airlines

Deal found 12/15

$862

Mon 12/296:10 pmIAD - DUB

2 stops36h 50mSWISS

Mon 1/56:35 pmDUB - IAD

2 stops54h 40mSWISS

Deal found 12/13

$868

Best flights from Dulles Intl to Dublin
Discover carefully curated flight deals from Dulles Intl to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

Sat 4/258:20 pmIAD - DUB

1 stop17h 00mScandinavian Airlines

Fri 5/18:05 pmDUB - IAD

2 stops25h 45mScandinavian Airlines

Deal found 12/14

$580

Tue 3/1011:20 pmIAD - DUB

Nonstop7h 00mUnited Airlines

Wed 3/188:00 amDUB - IAD

1 stop17h 21mUnited Airlines

Deal found 12/14

$581

Sun 3/1511:20 pmIAD - DUB

Nonstop7h 00mLufthansa

Tue 3/2411:45 amDUB - IAD

1 stop13h 30mLufthansa

Deal found 12/15

$582

Tue 4/147:10 pmIAD - DUB

Nonstop7h 10mUnited Airlines

Tue 4/219:50 amDUB - IAD

1 stop15h 39mUnited Airlines

Deal found 12/15

$585

Sun 4/2610:25 pmIAD - DUB

Nonstop7h 15mLufthansa

Tue 5/58:45 amDUB - IAD

1 stop12h 05mLufthansa

Deal found 12/14

$586

Thu 4/168:20 pmIAD - DUB

2 stops33h 00mScandinavian Airlines

Tue 4/2111:40 amDUB - IAD

2 stops34h 10mScandinavian Airlines

Deal found 12/15

$587

Tue 3/2411:20 pmIAD - DUB

Nonstop7h 00mUnited Airlines

Tue 3/319:50 amDUB - IAD

1 stop10h 44mUnited Airlines

Deal found 12/14

$585

Sun 3/1511:20 pmIAD - DUB

Nonstop7h 00mUnited Airlines

Tue 3/2412:05 pmDUB - IAD

Nonstop8h 15mUnited Airlines

Deal found 12/15

$586

Mon 3/1611:20 pmIAD - DUB

Nonstop7h 00mUnited Airlines

Wed 3/2512:05 pmDUB - IAD

Nonstop8h 15mUnited Airlines

Deal found 12/15

$586

Tue 3/1711:20 pmIAD - DUB

Nonstop7h 00mUnited Airlines

Wed 3/2512:05 pmDUB - IAD

Nonstop8h 15mUnited Airlines

Deal found 12/15

$586

Last-minute flights from Dulles Intl to Dublin
Discover last-minute flight deals from Dulles Intl to Dublin. Data last updated December 16, 2025 and is based on user searches.

Wed 1/77:40 pmIAD - DUB

1 stop9h 35mIcelandair

Tue 1/1311:30 amDUB - IAD

1 stop12h 00mIcelandair

Deal found 12/14

$519

Fri 1/97:40 pmIAD - DUB

1 stop9h 35mIcelandair

Tue 1/1311:30 amDUB - IAD

1 stop12h 00mIcelandair

Deal found 12/14

$500

Fri 1/97:40 pmIAD - DUB

1 stop9h 35mIcelandair

Fri 1/1611:30 amDUB - IAD

1 stop12h 00mIcelandair

Deal found 12/13

$513

Sun 1/1110:30 pmIAD - DUB

1 stop12h 40mTAP AIR PORTUGAL

Tue 3/174:55 pmDUB - IAD

1 stop33h 05mTAP AIR PORTUGAL

Deal found 12/15

$506

Tue 1/137:40 pmIAD - DUB

1 stop9h 35mIcelandair

Sat 1/1711:30 amDUB - IAD

1 stop12h 00mIcelandair

Deal found 12/14

$511

Wed 1/218:30 pmIAD - DUB

2 stops32h 30mScandinavian Airlines

Sun 1/2510:55 amDUB - IAD

2 stops33h 25mScandinavian Airlines

Deal found 12/15

$499

Wed 1/217:40 pmIAD - DUB

2 stops17h 50mMultiple Airlines

Tue 1/276:15 pmDUB - IAD

2 stops29h 15mMultiple Airlines

Deal found 12/15

$501

Fri 1/2310:30 pmIAD - DUB

1 stop12h 40mTAP AIR PORTUGAL

Sun 1/254:25 amDUB - IAD

1 stop15h 50mTAP AIR PORTUGAL

Deal found 12/15

$493

Sun 1/2510:30 pmIAD - DUB

1 stop12h 40mTAP AIR PORTUGAL

Sat 1/314:15 amDUB - IAD

1 stop21h 45mTAP AIR PORTUGAL

Deal found 12/15

$514

Mon 1/264:50 pmIAD - DUB

1 stop20h 30mScandinavian Airlines

Fri 1/307:05 pmDUB - IAD

1 stop28h 45mScandinavian Airlines

Deal found 12/14

$504

Wed 1/2810:30 pmIAD - DUB

2 stops20h 20mMultiple Airlines

Wed 2/46:00 amDUB - IAD

2 stops20h 00mMultiple Airlines

Deal found 12/14

$502

One-way flights from Dulles Intl to Dublin
Search for one-way flight options from Dulles Intl to Dublin. Find affordable one-way fares based on user searches. Data last updated December 16, 2025.

Wed 1/2810:30 pmIAD - DUB

1 stop19h 50mTAP AIR PORTUGAL

Deal found 12/14

$238

Tue 2/175:30 pmIAD - DUB

2 stops36h 00mMultiple Airlines

Deal found 12/14

$248

Mon 2/165:30 pmIAD - DUB

3 stops33h 20mMultiple Airlines

Deal found 12/14

$252

Sun 3/1511:30 pmIAD - DUB

3 stops44h 10mMultiple Airlines

Deal found 12/14

$255

Sun 2/110:30 pmIAD - DUB

3 stops28h 30mMultiple Airlines

Deal found 12/16

$260

Sun 2/1510:30 pmIAD - DUB

3 stops41h 20mMultiple Airlines

Deal found 12/14

$263

Wed 2/1810:30 pmIAD - DUB

3 stops52h 30mMultiple Airlines

Deal found 12/14

$276

Tue 3/35:30 pmIAD - DUB

2 stops17h 45mMultiple Airlines

Deal found 12/15

$278

Find flight deals from Dulles Intl to Dublin

Most accurate provider	Gotogate 3 stars
Most trusted provider	Gotogate 3 stars
Round-trip from	$492 (FlightHub)
One-way from	$238 (iWofly)
Popular in	December
Cheapest in	February
Average price	$987
Good round-trip deal	$687 or less
Good one-way deal	$434 or less

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Dublin flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Dublin flights.

Search Deals

From Washington, D.C. Dulles Intl to Dublin

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Dublin

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($20 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Dublin.

Search Deals

Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Dublin.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sat 4/25

8:20 pm-6:20 pm

1 stop17h 00m

Dublin

Fri 5/1

8:05 pm-4:50 pm

2 stops25h 45m

$580

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 3/10

11:20 pm-10:20 am

Nonstop7h 00m

Dublin

Wed 3/18

8:00 am-9:21 pm

1 stop17h 21m

$581

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 3/15

11:20 pm-10:20 am

Nonstop7h 00m

Dublin

Tue 3/24

11:45 am-9:15 pm

1 stop13h 30m

$582

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 4/14

7:10 pm-7:20 am

Nonstop7h 10m

Dublin

Tue 4/21

9:50 am-8:29 pm

1 stop15h 39m

$585

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 3/24

11:20 pm-10:20 am

Nonstop7h 00m

Dublin

Tue 3/31

9:50 am-3:34 pm

1 stop10h 44m

$585

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 4/26

10:25 pm-10:40 am

Nonstop7h 15m

Dublin

Tue 5/5

8:45 am-3:50 pm

1 stop12h 05m

$586

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 3/15

11:20 pm-10:20 am

Nonstop7h 00m

Dublin

Tue 3/24

12:05 pm-4:20 pm

Nonstop8h 15m

$586

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 3/16

11:20 pm-10:20 am

Nonstop7h 00m

Dublin

Wed 3/25

12:05 pm-4:20 pm

Nonstop8h 15m

$586

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 3/17

11:20 pm-10:20 am

Nonstop7h 00m

Dublin

Wed 3/25

12:05 pm-4:20 pm

Nonstop8h 15m

$586

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Thu 4/16

8:20 pm-10:20 am

2 stops33h 00m

Dublin

Tue 4/21

11:40 am-4:50 pm

2 stops34h 10m

$587

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 21 results

Compare providers for flights from Dulles Intl to Dublin

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Dublin in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
Gotogate	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy2 stars	Trust Score*2 stars
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Gurufare	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. Dulles Intl Airport-Dublin flights, users find the pricing of Gotogate to be most consistent on Cheapflights vs. Gotogate Users can find the same prices on Washington, D.C. Dulles Intl Airport-Dublin flight deals on Cheapflights vs. Gotogate >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Dublin flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Dublin flights, Cheapflights users trust Gotogate the most. Gotogate 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. Dulles Intl Airport-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 Dulles Intl to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Dulles Intl 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. Dulles Intl Airport to Dublin

Prices

Airlines

Delays

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

The best time to book flights from Washington, D.C. Dulles Intl Airport to Dublin is 45 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dublin (average of $371). Flying from Washington, D.C. Dulles Intl Airport to Dublin in June is currently the most expensive (average of $541). 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 IAD to DUB?

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Dublin in the evening. Doing so could potentially save you 25% on the flight price compared to flying in the morning, which is usually more expensive.

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

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

Airports

IAD

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

DUB

Upon arrival at DUB, use the Aircoach or Dublin Express for a quick 30-40 minute ride into central Dublin.

Our travel experts

James March

Expert on DUB

Ramsey Qubein

Expert on IAD

Reviews of airlines servicing Dublin

Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Aer Lingus from Washington, D.C. Dulles Intl Airport to Dublin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,094 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,094 reviews

United Airlines

7.4

Good

9,094 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

American Airlines

7.2

Good

11,047 reviews

United Airlines

7.4

Good

9,094 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Aer Lingus

7.2

Good

1,392 reviews

United Airlines

7.4

Good

9,094 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Icelandair

7.0

Good

590 reviews

United Airlines

7.4

Good

9,094 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

British Airways

6.7

Okay

7,580 reviews

United Airlines

7.4

Good

9,094 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

What airport do you fly into for flights to Dublin from Washington, D.C. Dulles Intl?
Most people fly into Dublin (DUB) if they book a flight to Dublin from Washington, D.C. Dulles Intl. On average, Dublin has 13 inbound flights from Washington, D.C. Dulles Intl per day from 10 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.
How long is the flight from Washington, D.C. Dulles Intl Airport to Dublin?
Departing from Washington, D.C. Dulles Intl Airport to Dublin will take you 7h. Airlines will cover a distance of 3393 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Dublin round-trip?
Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Dublin round-trip from $322. Other airlines that can offer you cheap pricing are Icelandair, from $371, and TAP AIR PORTUGAL, from $427. PLAY is 55% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Dublin one-way?
The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $249. 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. Dulles Intl Airport to Dublin for a low price.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Dublin on time: Aer Lingus (93%), Qatar Airways (90%), British Airways (89%).
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Dublin?
On average you can expect to pay $704 for a flight from Washington, D.C. Dulles Intl Airport to Dublin. The cheapest flight overall is $375 while the most popular route, (Washington, D.C. Dulles Intl - Dublin) is currently priced at $423.
Can I find deals for flights from Dulles Intl to Dublin that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Dublin?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Dublin.
Can I find deals for business class flights from Dulles Intl to Dublin?
Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Dublin?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dublin (average of $371). Flying from Washington, D.C. Dulles Intl Airport to Dublin in June is currently the most expensive (average of $541). 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

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Other flights to Dublin

Top 10 airlines flying from Dulles Intl to Dublin

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$322	Average$580	FlexibilityNo cancel fee	On-timeN/A
Icelandair	Cheapest$371	Average$588	FlexibilityNo cancel fee	On-time76%
TAP AIR PORTUGAL	Cheapest$427	Average$595	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$456	Average$503	FlexibilityNo cancel fee	On-time77%
Aer Lingus	Cheapest$470	Average$683	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$484	Average$626	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$525	Average$815	FlexibilityNo cancel fee	On-time69%
Iberia	Cheapest$587	Average$1,028	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$592	Average$891	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$618	Average$887	FlexibilityNo cancel fee	On-time71%

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$238+ Cheap flights from Dulles Intl (IAD) 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Dublin are usually found in February or January, booked 45 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Dulles Intl to Dublin

Cheapest flights from Dulles Intl to DublinExplore the most affordable flight options available from Dulles Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Explore the most affordable flight options available from Dulles Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

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Best time to book a flight from Dulles Intl to Dublin

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

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Weekly flight availability from Washington, D.C. Dulles Intl Airport to Dublin

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

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

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

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DUB

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Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

Can I find deals for flights from Dulles Intl to Dublin that include hotel bookings?

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

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Top 10 airlines flying from Dulles Intl to Dublin

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Cheapest flights from Dulles Intl to Dublin
Explore the most affordable flight options available from Dulles Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.