HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dublin

$320+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DUB
Jan 28 — Feb 41
Tue 1/28
Tue 2/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Dublin with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Washington, D.C. Dulles Intl to Dublin are usually found in February or January, booked 73 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 January 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$446
(FlightHub)

One-way from

$320
(oojo)

Popular in

June

Cheapest in

February

Average price

$538

Good round-trip deal

$641 or less

Good one-way deal

$489 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. 24% potential increase in price ($231 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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

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 January 23, 2025.

This FlightHub deal was found by Cheapflights users on 1/23. 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.
Tue 4/15:20 pmIAD - DUB
Nonstop6h 50mAer Lingus
Tue 4/812:50 pmDUB - IAD
Nonstop8h 00mAer Lingus
Deal found 1/23$446
This oojo deal was found by Cheapflights users on 1/21. 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.
Thu 4/310:20 pmIAD - DUB
1 stop14h 45mTAP AIR PORTUGAL
Thu 4/106:50 pmDUB - IAD
1 stop25h 30mTAP AIR PORTUGAL
Deal found 1/21$448
This oojo deal was found by Cheapflights users on 1/23. 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.
Thu 4/38:30 pmIAD - DUB
1 stop9h 35mIcelandair
Thu 4/102:15 pmDUB - IAD
1 stop10h 05mIcelandair
Deal found 1/23$469
This Air France deal was found by Cheapflights users on 1/22. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/312:52 pmIAD - DUB
1 stop15h 53mAir France
Tue 3/1110:45 amDUB - IAD
1 stop12h 34mAir France
Deal found 1/22$479
This Delta deal was found by Cheapflights users on 1/22. 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 2/27:17 amIAD - DUB
2 stops20h 28mDelta
Tue 2/1110:45 amDUB - IAD
1 stop13h 11mDelta
Deal found 1/22$484
This oojo deal was found by Cheapflights users on 1/23. 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.
Tue 4/110:05 pmIAD - DUB
1 stop15h 10mScandinavian Airlines
Tue 4/811:45 amDUB - IAD
2 stops37h 14mScandinavian Airlines
Deal found 1/23$485
This KLM deal was found by Cheapflights users on 1/22. 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.
Wed 1/2912:05 pmIAD - DUB
1 stop15h 40mKLM
Mon 2/35:25 pmDUB - IAD
1 stop27h 20mKLM
Deal found 1/22$497
This Booking.com deal was found by Cheapflights users on 1/22. 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 2/26:00 pmIAD - DUB
1 stop10h 50mBritish Airways
Wed 2/261:00 pmDUB - IAD
1 stop11h 45mBritish Airways
Deal found 1/22$499
This Aer Lingus deal was found by Cheapflights users on 1/22. 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 Aer Lingus is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/55:10 pmIAD - DUB
Nonstop6h 45mMultiple Airlines
Wed 3/121:10 pmDUB - IAD
1 stop11h 02mMultiple Airlines
Deal found 1/22$547

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 January 23, 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

Tue 4/1

5:20 pm-5:10 am

Nonstop6h 50m

Dublin

Tue 4/8

12:50 pm-3:50 pm

Nonstop8h 00m

$446

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Thu 4/3

10:20 pm-6:05 pm

1 stop14h 45m

Dublin

Thu 4/10

6:50 pm-3:20 pm

1 stop25h 30m

$448

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Thu 4/3

8:30 pm-11:05 am

1 stop9h 35m

Dublin

Thu 4/10

2:15 pm-7:20 pm

1 stop10h 05m

$469

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 3/3

12:52 pm-9:45 am

1 stop15h 53m

Dublin

Tue 3/11

10:45 am-7:19 pm

1 stop12h 34m

$479

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 2/2

7:17 am-8:45 am

2 stops20h 28m

Dublin

Tue 2/11

10:45 am-6:56 pm

1 stop13h 11m

$484

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Tue 4/1

10:05 pm-6:15 pm

1 stop15h 10m

Dublin

Tue 4/8

11:45 am-7:59 pm

2 stops37h 14m

$485

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Sun 2/2

6:00 pm-9:50 am

1 stop10h 50m

Dublin

Wed 2/26

1:00 pm-7:45 pm

1 stop11h 45m

$499

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 3/3

6:02 am-5:05 am

1 stop18h 03m

Dublin

Wed 3/12

4:40 pm-8:45 pm

Nonstop8h 05m

$541

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Thu 2/27

7:25 am-9:45 am

1 stop21h 20m

Dublin

Mon 3/3

1:25 pm-3:45 pm

1 stop31h 20m

$542

Washington, D.C.Dublin

IAD - DUB

IADDUB

Washington, D.C. Dulles Intl

Mon 2/24

7:40 pm-10:15 am

1 stop9h 35m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 24 results
1
2
3

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust 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 17, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Dublin is 73 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 $1,016). 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?

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 January 23, 2025.

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 27% 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

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 January 23, 2025.

The most flights from IAD to DUB are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals 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

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

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 January 23, 2025.
To help decide which airline to fly from Washington, D.C. to Dublin, see what other customers have to say about TAP AIR PORTUGAL, Air France and Aer Lingus. 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
8,512 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,512 reviews
Delta
8.0
Very good
8,512 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,338 reviews
Delta
8.0
Very good
8,512 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,489 reviews
Delta
8.0
Very good
8,512 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,970 reviews
Delta
8.0
Very good
8,512 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Turkish Airlines
7.3
Good
3,926 reviews
Delta
8.0
Very good
8,512 reviews

Comfort

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    Most people fly into Dublin (DUB) if they book a flight to Dublin from Washington, D.C. Dulles Intl. On average, Dublin has 3 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.

  • 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 $446. Other airlines that can offer you cheap pricing are TAP AIR PORTUGAL, from $448, and Icelandair, from $469. Aer Lingus is 38% 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 $320. However, be on the lookout for offers from Aer Lingus and TAP AIR PORTUGAL, 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: Air Canada (80%), United Airlines (80%), Lufthansa (80%).

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

    On average you can expect to pay $1,300 for a flight from Washington, D.C. Dulles Intl Airport to Dublin. The cheapest flight overall is $424 while the most popular route, (Washington, D.C. Dulles Intl - Dublin) is currently priced at $364.

  • 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 $1,016). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Maynooth
Swords
Wicklow
Leixlip

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Dulles Intl to Dublin

Discover the top 10 airlines that operate flights from Dulles Intl to Dublin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$284Average$432FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$303Average$496FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$470Average$733FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$470Average$762FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$506Average$813FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$556Average$1,040FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$643Average$892FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$651Average$989FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$666Average$978FlexibilityNo cancel feeOn-time76%
DeltaCheapest$857Average$1,027FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.