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Dulles Intl

$421+ Cheap flights from Ireland to Dulles Intl (IAD)

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — IAD
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Ireland to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ireland (IE0) to Dulles Intl (IAD). 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 December 18, 2024.

Round-trip from

$421
(Bravofly)
From Ireland to Washington, D.C. Dulles Intl
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Find flight deals from Ireland to Dulles Intl

Cheapest flights from Ireland to Dulles Intl
Explore the most affordable flight options available from Ireland to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Gurufare deal was found by Cheapflights users on 12/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/245:55 pmDUB - IAD
1 stop26h 40mBritish Airways
Tue 12/319:55 pmIAD - DUB
1 stop14h 05mBritish Airways
Deal found 12/17$553
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/238:40 amDUB - IAD
1 stop16h 05mAmerican Airlines
Mon 12/306:00 pmIAD - DUB
1 stop18h 05mAmerican Airlines
Deal found 12/16$594
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:50 amDUB - IAD
Nonstop8h 20mUnited Airlines
Tue 12/3110:05 pmIAD - DUB
Nonstop7h 00mUnited Airlines
Deal found 12/17$608
This Bravofly deal was found by Cheapflights users on 12/17. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/247:15 pmDUB - IAD
1 stop25h 20mMultiple Airlines
Mon 12/306:00 pmIAD - DUB
1 stop16h 20mMultiple Airlines
Deal found 12/17$633
This KLM deal was found by Cheapflights users on 12/17. 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.
Thu 12/268:50 amDUB - IAD
1 stop11h 55mKLM
Mon 12/305:35 pmIAD - DUB
1 stop14h 05mKLM
Deal found 12/17$653
This Delta deal was found by Cheapflights users on 12/18. 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.
Thu 12/268:50 amDUB - IAD
1 stop11h 55mDelta
Mon 12/306:00 amIAD - DUB
2 stops21h 05mDelta
Deal found 12/18$657
This Lufthansa deal was found by Cheapflights users on 12/18. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2610:45 amDUB - IAD
1 stop14h 20mLufthansa
Mon 12/3010:05 pmIAD - DUB
Nonstop7h 00mLufthansa
Deal found 12/18$674
This KAYAK deal was found by Cheapflights users on 12/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/231:20 pmDUB - IAD
1 stop32h 05mSWISS
Mon 12/3010:05 pmIAD - DUB
Nonstop7h 00mSWISS
Deal found 12/16$699
This Austrian Airlines deal was found by Cheapflights users on 12/17. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/265:25 pmDUB - IAD
2 stops26h 10mAustrian Airlines
Tue 1/75:25 pmIAD - DUB
2 stops32h 35mAustrian Airlines
Deal found 12/17$823
This Icelandair deal was found by Cheapflights users on 12/17. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2311:30 amDUB - IAD
1 stop11h 55mIcelandair
Mon 12/307:40 pmIAD - DUB
1 stop9h 35mIcelandair
Deal found 12/17$859
This Booking.com deal was found by Cheapflights users on 12/18. 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.
Fri 12/2010:25 amDUB - IAD
2 stops34h 15mScandinavian Airlines
Thu 12/265:10 pmIAD - DUB
1 stop13h 30mScandinavian Airlines
Deal found 12/18$900
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1812:30 pmDUB - IAD
Nonstop8h 10mAer Lingus
Sat 12/288:45 pmIAD - DUB
Nonstop6h 45mAer Lingus
Deal found 12/17$961

Find flights from Ireland to Dulles Intl within your budget

Customize your flight search to find flights from Ireland to Dulles Intl 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 1/18

10:20 am-3:40 pm

1 stop34h 20m

Washington, D.C. Dulles Intl

Mon 1/27

12:05 pm-11:40 am

2 stops18h 35m

$421

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sun 2/9

4:25 am-1:00 pm

1 stop13h 35m

Washington, D.C. Dulles Intl

Mon 2/24

7:15 pm-4:10 pm

1 stop15h 55m

$463

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sun 1/12

12:30 pm-3:40 pm

Nonstop8h 10m

Washington, D.C. Dulles Intl

Sun 1/19

5:10 pm-4:55 am

Nonstop6h 45m

$481

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 6/16

2:15 pm-10:10 pm

1 stop12h 55m

Washington, D.C. Dulles Intl

Mon 6/30

8:30 pm-1:15 pm

1 stop11h 45m

$482

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 2/1

1:05 pm-7:45 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Sat 2/8

6:00 pm-9:50 am

1 stop10h 50m

$496

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Tue 1/14

5:55 am-3:45 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

Tue 1/21

12:05 pm-8:05 am

2 stops15h 00m

$507

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Mon 1/13

5:25 pm-3:45 pm

1 stop27h 20m

Washington, D.C. Dulles Intl

Mon 1/20

6:30 pm-3:40 pm

1 stop16h 10m

$508

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 1/18

6:00 am-3:45 pm

2 stops14h 45m

Washington, D.C. Dulles Intl

Mon 1/27

12:05 pm-8:05 am

2 stops15h 00m

$510

DublinWashington, D.C.

DUB - IAD

DUBIAD

Dublin

Sat 2/1

1:25 pm-3:45 pm

1 stop31h 20m

Washington, D.C. Dulles Intl

Sat 2/8

12:05 pm-8:45 am

1 stop15h 40m

$511

CorkWashington, D.C.

ORK - IAD

ORKIAD

Cork

Tue 1/14

1:25 pm-3:45 pm

1 stop31h 20m

Washington, D.C. Dulles Intl

Mon 1/20

5:35 pm-12:55 pm

1 stop14h 20m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 35 results
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Best time to book a flight from Ireland to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Ireland 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 Ireland to Dulles Intl

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

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

Currently, November is the cheapest month in which you can book a flight from Ireland to Washington, D.C. Dulles Intl Airport (average of $299). Flying from Ireland to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $377). 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 IE to IAD?

Find hourly flight availability from Ireland to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Washington, D.C. Dulles Intl Airport as you normally would.

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

Explore weekly flight availability from Ireland to Dulles Intl. 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 December 18, 2024.

The most flights from IE0 to IAD are scheduled on a Monday (9 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated December 18, 2024.
Read reviews from past customers who have flown TAP AIR PORTUGAL, Aer Lingus and British Airways from Ireland to Washington, D.C.. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.6
Good
787 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France
7.4
Good
1,504 reviews
Delta
8.0
Very good
8,604 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

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

    The cheapest airlines for a one-way flight from Ireland to Washington, D.C. Dulles Intl Airport are Icelandair ($423), Aer Lingus ($430), and Scandinavian Airlines ($440).

  • What are the most popular routes from Ireland to Washington, D.C. Dulles Intl Airport?

    The most popular route from Ireland to Washington, D.C. Dulles Intl Airport is Dublin - Washington, D.C. Dulles Intl. You may also consider Shannon - Washington, D.C. Dulles Intl or Cork - Washington, D.C. Dulles Intl.

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

    Before booking your flight to Washington, D.C. Dulles Intl Airport from Ireland, check out the most reliable airlines to get you to your destination on time: SWISS (100%), Air Canada (82%), United Airlines( 82%).

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

    While on average a flight from Ireland to Washington, D.C. Dulles Intl Airport is generally $1,074, our data shows the cheapest flight currently is $395. When looking at the most popular route, (Dublin - Washington, D.C. Dulles Intl), you can expect to pay $361 for that flight.

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

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

  • How can I find direct flights from Ireland to Dulles Intl?

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

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

    Yes. Cheapflights offers flight deals from Ireland to Dulles Intl 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 Ireland to Washington, D.C. Dulles Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Ireland to Washington, D.C. Dulles Intl Airport (average of $299). Flying from Ireland to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $377). 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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Alternative routes for Ireland to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Dulles Intl flights
Heathrow to Baltimore flights
Charles de Gaulle to Dulles Intl flights
Frankfurt to Dulles Intl flights
Gatwick to Dulles Intl flights
Frankfurt to Baltimore flights
Heathrow to Reagan-National flights
Gatwick to Baltimore flights
Bruxelles-National to Dulles Intl flights
Istanbul to Dulles Intl flights
London City to Dulles Intl flights
Charles de Gaulle to Reagan-National flights
Orly to Dulles Intl flights
Charles de Gaulle to Baltimore flights
Frankfurt to Reagan-National flights
Frederic Chopin to Dulles Intl flights
Munich to Dulles Intl flights
Dublin to Dulles Intl flights
Stansted to Baltimore flights
Amsterdam to Dulles Intl flights
Bruxelles-National to Baltimore flights
Gatwick to Reagan-National flights
Frederic Chopin to Baltimore flights
Vienna to Dulles Intl flights
Madrid to Dulles Intl flights
Frederic Chopin to Reagan-National flights
Leonardo da Vinci/Fiumicino to Dulles Intl flights
Istanbul to Baltimore flights
Zurich to Dulles Intl flights
Bruxelles-National to Reagan-National flights
Istanbul to Reagan-National flights
Luton to Dulles Intl flights
Madrid to Reagan-National flights
Geneva to Dulles Intl flights
Madrid to Baltimore flights
Athens to Dulles Intl flights
Munich to Reagan-National flights
Berlin to Dulles Intl flights
Vienna to Baltimore flights
Munich to Baltimore flights
Luton to Baltimore flights
Stansted to Dulles Intl flights
Dublin to Baltimore flights
Sabiha Gokcen to Dulles Intl flights
Frankfurt-Hahn to Baltimore flights
Berlin to Baltimore flights
Athens to Baltimore flights

Top 3 airlines flying from Ireland to Dulles Intl

Discover the top 3 airlines that operate flights from Ireland to Dulles Intl. 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$246Average$319FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$377Average$567FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$612Average$733FlexibilityNo cancel feeOn-time69%
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