Dublin

$326+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DUB
Feb 11 — Feb 181
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The best prices from Washington, D.C. Dulles Intl to Dublin are usually found in January or February, booked 32 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Dulles Intl to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$454
(Mytrip)

One-way from

$326
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$549

Good round-trip deal

$648 or less

Good one-way deal

$475 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Dublin flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Dublin flights.
From Washington, D.C. Dulles Intl to Dublin
One-way flight from Washington, D.C. Dulles Intl to Dublin
Highest demand for flights based on searches. 24% potential increase in price ($231 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Dublin.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Dublin.

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 February 6, 2025.

This Mytrip deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/37:40 pmIAD - DUB
1 stop9h 35mIcelandair
Thu 3/1311:30 amDUB - IAD
1 stop11h 55mIcelandair
Deal found 2/5$454
This oojo deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:30 pmIAD - DUB
1 stop12h 40mTAP AIR PORTUGAL
Mon 11/175:00 pmDUB - IAD
1 stop27h 15mTAP AIR PORTUGAL
Deal found 2/4$460
This oojo deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/25:10 pmIAD - DUB
1 stop13h 30mScandinavian Airlines
Tue 3/1112:30 pmDUB - IAD
1 stop32h 10mScandinavian Airlines
Deal found 2/5$478
This Travelocity deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1110:15 pmIAD - DUB
Nonstop6h 45mAer Lingus
Tue 3/1812:30 pmDUB - IAD
Nonstop8h 10mAer Lingus
Deal found 2/6$509
This Booking.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/97:00 pmIAD - DUB
1 stop10h 50mBritish Airways
Tue 3/1810:55 amDUB - IAD
1 stop13h 50mBritish Airways
Deal found 2/5$560
This KLM deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/34:53 pmIAD - DUB
1 stop11h 52mKLM
Fri 3/148:50 amDUB - IAD
1 stop11h 55mKLM
Deal found 2/5$564
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/210:03 amIAD - DUB
1 stop18h 42mDelta
Wed 3/128:50 amDUB - IAD
2 stops19h 41mDelta
Deal found 2/4$574
This Mytrip deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/37:40 pmIAD - DUB
2 stops14h 05mMultiple Airlines
Fri 3/77:00 amDUB - IAD
2 stops16h 25mMultiple Airlines
Deal found 2/4$612
This FlightHub deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/272:00 pmIAD - DUB
1 stop18h 40mTurkish Airlines
Thu 3/62:40 pmDUB - IAD
1 stop33h 50mTurkish Airlines
Deal found 2/5$636
This Aeromexico deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2312:15 pmIAD - DUB
2 stops40h 10mAir France
Tue 4/112:00 pmDUB - IAD
2 stops36h 19mAir France
Deal found 2/5$639

Find flights from Dulles Intl to Dublin within your budget

Customize your flight search to find flights from Dulles Intl to Dublin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 6, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 3/3

7:40 pm-10:15 am

1 stop9h 35m

Dublin

Thu 3/13

11:30 am-7:25 pm

1 stop11h 55m

$454

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 3/11

6:30 pm-11:20 pm

1 stop24h 50m

Dublin

Wed 3/19

4:55 pm-4:00 pm

1 stop27h 05m

$461

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 3/2

5:10 pm-11:40 am

1 stop13h 30m

Dublin

Tue 3/11

12:30 pm-4:40 pm

1 stop32h 10m

$478

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 3/11

10:15 pm-9:00 am

Nonstop6h 45m

Dublin

Tue 3/18

12:30 pm-4:40 pm

Nonstop8h 10m

$509

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 3/9

7:00 pm-9:50 am

1 stop10h 50m

Dublin

Tue 3/18

10:55 am-8:45 pm

1 stop13h 50m

$560

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 3/3

4:53 pm-9:45 am

1 stop11h 52m

Dublin

Fri 3/14

8:50 am-4:45 pm

1 stop11h 55m

$564

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 3/30

8:30 pm-5:30 pm

2 stops16h 00m

Dublin

Sun 4/6

8:30 pm-7:20 pm

3 stops27h 50m

$566

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 3/2

10:03 am-9:45 am

1 stop18h 42m

Dublin

Wed 3/12

8:50 am-12:31 am

2 stops19h 41m

$574

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Thu 2/27

2:00 pm-1:40 pm

1 stop18h 40m

Dublin

Thu 3/6

2:40 pm-7:30 pm

1 stop33h 50m

$636

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 3/23

12:15 pm-8:25 am

2 stops40h 10m

Dublin

Tue 4/1

12:00 pm-7:19 pm

2 stops36h 19m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 21 results
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Compare providers for flights from Dulles Intl 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 Dulles Intl to Dublin in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Dublin flight deals on Cheapflights vs. FlightHub >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 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. 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.

Travel insights for flights from Dulles Intl to Dublin

Get recent, data-driven insights about flights from Dulles Intl to Dublin including ideal travel times, pricing trends, and more.

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 January 31, 2025.