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 $483. Other airlines that can offer you cheap pricing are United Airlines, from $492, and Aer Lingus, from $497. Scandinavian Airlines is 32% 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 TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $339. However, be on the lookout for offers from Icelandair and Scandinavian Airlines, as they are both options that can get you from Washington, D.C. Dulles Intl Airport to Dublin for a low price.

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

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

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

On average you can expect to pay $3,232 for a flight from Washington, D.C. Dulles Intl Airport to Dublin. The cheapest flight overall is $388 while the most popular route, (Washington, D.C. Dulles Intl - Dublin) is currently priced at $370.

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: SWISS (82%), Lufthansa (82%), Air Canada (74%).

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 American Airlines, British Airways or Aer Lingus as they are the most popular for this route.

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Dublin?

Flights from Washington, D.C. Dulles Intl Airport to Dublin are found to be more expensive on Thursday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Dublin.

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

January is one of the best times of the year to fly to Dublin from Washington, D.C. Dulles Intl Airport. Prices for January average $666 per person but you can even find prices for as low as $294. The most expensive prices can be found in the month of June. Opting for a January flight can save you 30% on your journey compared to booking in June

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 11 inbound flights from Washington, D.C. Dulles Intl per day from 9 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.

$324+ 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 January or March, booked 37 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Dulles Intl to Dublin

Round-trip from	$483 (Cheapflightsfares)
One-way from	$324 (Kiwi.com)
Popular in	June
Cheapest in	January
Average price	$911
Good round-trip deal	$590 or less
Good one-way deal	$483 or less

From Washington, D.C. Dulles Intl to Dublin

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

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Highest demand for flights based on searches. 15% potential increase in price ($128 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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

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

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Find 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 June 12, 2025.

Wed 10/810:05 pmIAD - DUB

1 stop15h 10mScandinavian Airlines

Sun 10/1210:15 amDUB - IAD

1 stop14h 44mScandinavian Airlines

Deal found 6/11

$483

Wed 10/229:00 pmIAD - DUB

Nonstop6h 50mAer Lingus

Thu 10/3012:15 pmDUB - IAD

Nonstop8h 20mAer Lingus

Deal found 6/11

$503

Mon 12/85:30 pmIAD - DUB

1 stop17h 40mTAP AIR PORTUGAL

Mon 12/155:05 pmDUB - IAD

1 stop26h 30mTAP AIR PORTUGAL

Deal found 6/11

$526

Sat 8/3010:10 pmIAD - DUB

1 stop30h 35mUnited Airlines

Tue 9/169:50 amDUB - IAD

1 stop28h 48mUnited Airlines

Deal found 6/10

$537

Wed 7/99:45 amIAD - DUB

1 stop17h 00mMultiple Airlines

Wed 7/161:00 pmDUB - IAD

1 stop32h 15mMultiple Airlines

Deal found 6/11

$538

Wed 10/12:25 pmIAD - DUB

1 stop12h 50mAir Canada

Thu 10/99:50 amDUB - IAD

2 stops30h 43mAir Canada

Deal found 6/11

$551

Wed 7/1610:40 pmIAD - DUB

1 stop13h 35mAmerican Airlines

Wed 7/236:30 amDUB - IAD

1 stop14h 25mAmerican Airlines

Deal found 6/12

$562

Tue 7/159:40 amIAD - DUB

2 stops18h 35mDelta

Wed 7/301:15 pmDUB - IAD

1 stop11h 38mDelta

Deal found 6/11

$568

Wed 7/2310:40 pmIAD - DUB

1 stop13h 50mBritish Airways

Wed 7/3010:55 amDUB - IAD

1 stop14h 15mBritish Airways

Deal found 6/11

$578

Wed 10/2210:15 pmIAD - DUB

Nonstop7h 05mLufthansa

Thu 10/305:00 amDUB - IAD

1 stop15h 50mLufthansa

Deal found 6/11

$586

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 June 12, 2025.

Wed 10/810:05 pmIAD - DUB

1 stop15h 10mScandinavian Airlines

Sun 10/1210:15 amDUB - IAD

1 stop14h 44mScandinavian Airlines

Deal found 6/11

$483

Mon 9/88:55 amIAD - DUB

2 stops17h 50mUnited Airlines

Thu 9/189:20 amDUB - IAD

2 stops35h 32mUnited Airlines

Deal found 6/12

$492

Tue 10/215:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Tue 10/284:20 pmDUB - IAD

Nonstop8h 10mAer Lingus

Deal found 6/12

$497

Wed 7/309:35 amIAD - DUB

1 stop17h 10mMultiple Airlines

Mon 8/116:40 pmDUB - IAD

1 stop26h 35mMultiple Airlines

Deal found 6/12

$519

Mon 12/85:30 pmIAD - DUB

1 stop17h 40mTAP AIR PORTUGAL

Mon 12/155:05 pmDUB - IAD

1 stop26h 30mTAP AIR PORTUGAL

Deal found 6/11

$526

Sun 7/271:19 pmIAD - DUB

1 stop11h 11mAmerican Airlines

Tue 8/51:30 pmDUB - IAD

1 stop11h 40mAmerican Airlines

Deal found 6/12

$529

Wed 7/98:18 amIAD - DUB

2 stops18h 27mAir Canada

Thu 7/179:20 amDUB - IAD

2 stops31h 09mAir Canada

Deal found 6/12

$538

Wed 8/610:40 pmIAD - DUB

1 stop13h 50mBritish Airways

Thu 8/1412:45 pmDUB - IAD

1 stop12h 25mBritish Airways

Deal found 6/12

$555

Tue 7/159:40 amIAD - DUB

2 stops18h 35mDelta

Wed 7/301:15 pmDUB - IAD

1 stop11h 38mDelta

Deal found 6/11

$568

Wed 10/2210:15 pmIAD - DUB

Nonstop7h 05mLufthansa

Thu 10/305:00 amDUB - IAD

1 stop15h 50mLufthansa

Deal found 6/11

$586

Fri 8/16:44 pmIAD - DUB

1 stop34h 01mIberia

Wed 8/1312:40 pmDUB - IAD

1 stop27h 21mIberia

Deal found 6/12

$595

Last-minute flights from Dulles Intl to Dublin
Discover last-minute flight deals from Dulles Intl to Dublin. Data last updated June 12, 2025 and is based on user searches.

Tue 6/178:19 amIAD - DUB

1 stop18h 26mAir Canada

Thu 6/269:20 amDUB - IAD

1 stop16h 41mAir Canada

Deal found 6/10

$700

Tue 6/178:18 amIAD - DUB

2 stops18h 57mUnited Airlines

Tue 6/249:20 amDUB - IAD

1 stop16h 41mUnited Airlines

Deal found 6/10

$706

Thu 6/1910:15 pmIAD - DUB

Nonstop7h 05mSWISS

Mon 6/306:40 pmDUB - IAD

1 stop26h 35mSWISS

Deal found 6/11

$828

Fri 6/205:24 pmIAD - DUB

1 stop11h 36mKLM

Sun 6/295:55 amDUB - IAD

1 stop14h 40mKLM

Deal found 6/10

$888

Sat 6/218:25 pmIAD - DUB

Nonstop6h 55mAer Lingus

Tue 6/2412:30 pmDUB - IAD

1 stop12h 40mAer Lingus

Deal found 6/10

$822

Sat 6/215:33 pmIAD - DUB

2 stops23h 42mLufthansa

Wed 7/28:00 pmDUB - IAD

1 stop28h 25mLufthansa

Deal found 6/10

$832

Sat 6/215:33 pmIAD - DUB

2 stops32h 47mAustrian Airlines

Tue 7/19:20 amDUB - IAD

2 stops34h 20mAustrian Airlines

Deal found 6/10

$977

Sun 6/228:30 pmIAD - DUB

1 stop11h 45mIcelandair

Mon 7/142:15 pmDUB - IAD

1 stop12h 55mIcelandair

Deal found 6/12

$639

Sun 6/2211:35 amIAD - DUB

1 stop17h 25mMultiple Airlines

Sat 6/2812:20 pmDUB - IAD

1 stop26h 56mMultiple Airlines

Deal found 6/10

$672

Sun 6/223:31 pmIAD - DUB

1 stop12h 14mDelta

Tue 7/110:00 amDUB - IAD

1 stop11h 44mDelta

Deal found 6/12

$726

Sun 7/68:45 pmIAD - DUB

1 stop16h 05mSWISS

Wed 7/166:40 pmDUB - IAD

1 stop26h 35mSWISS

Deal found 6/10

$577

Tue 7/810:40 pmIAD - DUB

1 stop11h 05mBritish Airways

Tue 7/228:20 pmDUB - IAD

1 stop28h 50mBritish Airways

Deal found 6/11

$558

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 June 12, 2025.

Wed 7/168:30 pmIAD - DUB

3 stops32h 45mMultiple Airlines

Deal found 6/12

$324

Mon 7/1410:20 pmIAD - DUB

1 stop30h 40mTAP AIR PORTUGAL

Deal found 6/12

$339

Mon 6/2311:15 pmIAD - DUB

1 stop9h 00mIcelandair

Deal found 6/11

$340

Sat 9/610:05 pmIAD - DUB

2 stops15h 20mScandinavian Airlines

Deal found 6/12

$397

Sun 7/205:20 pmIAD - DUB

Nonstop6h 50mAer Lingus

Deal found 6/12

$409

Tue 7/17:05 pmIAD - DUB

Nonstop7h 05mUnited Airlines

Deal found 6/12

$441

Sun 7/279:45 amIAD - DUB

2 stops17h 30mAir Canada

Deal found 6/12

$467

Fri 7/410:07 amIAD - DUB

2 stops19h 53mWestJet

Deal found 6/12

$503

Sat 7/128:31 pmIAD - DUB

1 stop31h 44mDelta

Deal found 6/12

$504

Wed 6/184:20 pmIAD - DUB

1 stop14h 10mAir Transat

Deal found 6/9

$530

Sat 7/510:45 pmIAD - DUB

1 stop12h 35mBritish Airways

Deal found 6/11

$546

Wed 8/205:20 pmIAD - DUB

Nonstop6h 50mAmerican Airlines

Deal found 6/10

$572

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

Wed 10/8

10:05 pm-6:15 pm

1 stop15h 10m

Dublin

Sun 10/12

10:15 am-7:59 pm

1 stop14h 44m

$483

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 10/22

9:00 pm-8:50 am

Nonstop6h 50m

Dublin

Thu 10/30

4:20 pm-8:30 pm

Nonstop8h 10m

$503

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 12/8

5:30 pm-4:10 pm

1 stop17h 40m

Dublin

Mon 12/15

5:05 pm-2:35 pm

1 stop26h 30m

$526

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sat 8/30

10:10 pm-9:45 am

1 stop30h 35m

Dublin

Tue 9/16

9:50 am-9:38 am

1 stop28h 48m

$537

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 7/9

9:45 am-7:45 am

1 stop17h 00m

Dublin

Wed 7/16

1:00 pm-4:15 pm

1 stop32h 15m

$538

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 10/1

2:25 pm-8:15 am

1 stop12h 50m

Dublin

Thu 10/9

9:50 am-11:33 am

2 stops30h 43m

$551

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 7/16

10:40 pm-5:15 pm

1 stop13h 35m

Dublin

Wed 7/23

6:30 am-3:55 pm

1 stop14h 25m

$562

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 7/15

9:40 am-9:15 am

2 stops18h 35m

Dublin

Wed 7/30

1:15 pm-7:53 pm

1 stop11h 38m

$568

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 7/23

10:40 pm-5:30 pm

1 stop13h 50m

Dublin

Wed 7/30

10:55 am-8:10 pm

1 stop14h 15m

$578

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Wed 10/22

10:15 pm-10:20 am

Nonstop7h 05m

Dublin

Thu 10/30

5:00 am-4:50 pm

1 stop15h 50m

$586

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 26 results

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

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

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 37 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dublin (average of $509). Flying from Washington, D.C. Dulles Intl Airport to Dublin in June is currently the most expensive (average of $947). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to DUB?

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Dublin in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

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

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

Rainfall in Dublin by month

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

Temperature in Dublin by month

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Dublin

To help decide which airline to fly from Washington, D.C. to Dublin, see what other customers have to say about Delta, KLM and Air Transat. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,946 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Transat

7.8

Good

396 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Austrian Airlines

7.6

Good

802 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 11 inbound flights from Washington, D.C. Dulles Intl per day from 9 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.
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 $483. Other airlines that can offer you cheap pricing are United Airlines, from $492, and Aer Lingus, from $497. Scandinavian Airlines is 32% 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 TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $339. However, be on the lookout for offers from Icelandair and Scandinavian 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: SWISS (82%), Lufthansa (82%), Air Canada (74%).
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Dublin?
On average you can expect to pay $3,232 for a flight from Washington, D.C. Dulles Intl Airport to Dublin. The cheapest flight overall is $388 while the most popular route, (Washington, D.C. Dulles Intl - Dublin) is currently priced at $370.
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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dublin (average of $509). Flying from Washington, D.C. Dulles Intl Airport to Dublin in June is currently the most expensive (average of $947). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Maynooth

Castleknock

Swords

Wicklow

Leixlip

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Dublin

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Reagan-National to Dublin flights

Dulles Intl to Shannon flights

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Dulles Intl to Donegal flights

Dulles Intl to Milltown (Kerry) flights

Baltimore to Donegal flights

Baltimore to Milltown (Kerry) flights

Reagan-National to Donegal flights

Complete your trip

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Other flights to Dublin

Top 9 airlines flying from Dulles Intl to Dublin

Airline	Cheapest	Average	Flexibility	On-time
PLAY	Cheapest$291	Average$414	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$322	Average$494	FlexibilityNo cancel fee	On-time77%
Icelandair	Cheapest$415	Average$686	FlexibilityNo cancel fee	On-time76%
Aer Lingus	Cheapest$472	Average$696	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$483	Average$663	FlexibilityNo cancel fee	On-time70%
KLM	Cheapest$491	Average$548	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$572	Average$900	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$666	Average$990	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$705	Average$892	FlexibilityNo cancel fee	On-time71%

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$324+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Dublin with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Dublin are usually found in January or March, booked 37 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Dulles Intl to Dublin

Round-trip from

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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 June 12, 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 June 12, 2025.

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

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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

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

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

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

What is the cheapest time of day to fly from IAD to DUB?

Find hourly flight availability from Dulles Intl 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 June 12, 2025.

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

Explore weekly flight availability from Dulles Intl to Dublin. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

Rainfall in Dublin by month

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Temperature in Dublin by month

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

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dublin. Reviews last updated June 12, 2025.

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.

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

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

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

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

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?

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

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

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

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Alternative routes for Dulles Intl to Dublin

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Top 9 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 June 12, 2025.