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Dulles Intl

$447+ Cheap flights from Dublin (DUB) to Dulles Intl (IAD)

DUB — IAD
Nov 24 — Dec 11
Tue 11/24
Tue 12/1
1 adult, Economy
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Find cheap flights from Dublin to Dulles Intl with Cheapflights

1. Tell us where you want to go

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

Cheap flight deals from Dublin to Dulles Intl

Cheapest flights from Dublin to Dulles Intl

Sun 11/112:20 pm -
Nonstop8h 25m
Sat 11/75:15 pm -
Nonstop6h 50m
Deal found 10/24$551
Thu 10/224:10 pm -
Nonstop8h 00m
Mon 10/266:15 pm -
Nonstop6h 50m
Deal found 10/20$558
Mon 10/263:50 pm -
Nonstop8h 30m
Sun 11/18:50 pm -
Nonstop6h 55m
Deal found 10/23$564
Sun 11/13:50 pm -
Nonstop8h 30m
Mon 11/95:25 pm -
2 stops34h 55m
Deal found 10/22$571
Wed 12/911:30 am -
1 stop12h 00m
Fri 1/87:40 pm -
1 stop9h 35m
Deal found 10/22$608
Sun 11/112:20 pm -
Nonstop8h 25m
Sun 11/88:50 pm -
Nonstop6h 55m
Deal found 10/24$609
Mon 12/1411:30 am -
1 stop12h 00m
Sat 1/97:40 pm -
1 stop9h 35m
Deal found 10/20$610
Thu 11/511:30 am -
1 stop12h 00m
Sun 11/87:40 pm -
1 stop9h 35m
Deal found 10/20$611
Sun 11/16:35 pm -
1 stop27h 25m
Mon 11/98:10 pm -
1 stop34h 10m
Deal found 10/20$612
Mon 12/76:35 pm -
1 stop27h 25m
Mon 12/148:10 pm -
1 stop34h 10m
Deal found 10/23$614

Find flight deals from Dublin to Dulles Intl

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$559

One-way from

$447
(KLM)

Popular in

July

Cheapest in

November

Average price

$730

Good round-trip deal

$556 or less

Good one-way deal

$531 or less
Provider with most accurate pricing for Dublin-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Dublin-Washington, D.C. Dulles Intl flights.
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From Dublin to Washington, D.C. Dulles Intl
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One-way flight from Dublin to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 14% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Dublin to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Dublin to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinWashington, D.C.

DUB Dublin - IAD Washington, D.C. Dulles Intl

DUBIAD

Dublin

Fri 3/26

8:50 am-4:55 pm

1 stop12h 05m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$447

DublinWashington, D.C.

DUB Dublin - IAD Washington, D.C. Dulles Intl

DUBIAD

Dublin

Wed 12/16

5:45 am-3:55 pm

1 stop15h 10m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$447

DublinWashington, D.C.

DUB Dublin - IAD Washington, D.C. Dulles Intl

DUBIAD

Dublin

Thu 12/17

10:45 am-5:33 pm

1 stop11h 48m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$457
Quickest round-trip

DublinWashington, D.C.

DUB Dublin - IAD Washington, D.C. Dulles Intl

DUBIAD

Dublin

Wed 2/24

12:20 pm-3:45 pm

Nonstop8h 25m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$462

DublinWashington, D.C.

DUB Dublin - IAD Washington, D.C. Dulles Intl

DUBIAD

Dublin

Sun 4/4

8:55 am-3:35 pm

1 stop11h 40m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$467

DublinWashington, D.C.

DUB Dublin - IAD Washington, D.C. Dulles Intl

DUBIAD

Dublin

Thu 12/17

3:50 pm-7:20 pm

Nonstop8h 30m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$468

DublinWashington, D.C.

DUB Dublin - IAD Washington, D.C. Dulles Intl

DUBIAD

Dublin

Sat 4/3

6:00 am-3:35 pm

1 stop14h 35m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$475

DublinWashington, D.C.

DUB Dublin - IAD Washington, D.C. Dulles Intl

DUBIAD

Dublin

Sat 12/19

6:55 am-6:30 pm

2 stops40h 35m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$476

DublinWashington, D.C.

DUB Dublin - IAD Washington, D.C. Dulles Intl

DUBIAD

Dublin

Sat 12/5

10:10 am-6:50 pm

1 stop13h 40m

Washington, D.C. Dulles Intl

Wed 12/9

8:30 pm-6:20 pm

1 stop16h 50m

$651

DublinWashington, D.C.

DUB Dublin - IAD Washington, D.C. Dulles Intl

DUBIAD

Dublin

Tue 11/10

11:30 am-5:15 pm

2 stops34h 45m

Washington, D.C. Dulles Intl

Sat 11/14

8:30 pm-10:45 am

2 stops33h 15m

$652

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Dublin to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to Dulles Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
BusinessClassPrice Accuracy-Trust Score*3 stars
AranGrantPrice Accuracy3 starsTrust 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 Dublin-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dublin-Washington, D.C. Dulles Intl Airport 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 Dublin-Washington, D.C. Dulles Intl Airport 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 Dublin to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Dublin with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

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

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

The price you pay for your flight from Dublin to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Dulles Intl Airport (average of $525). Flying from Dublin to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $832). 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 DUB to IAD?

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

How much does it cost to fly round-trip from Dublin to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Dublin to Washington, D.C. Dulles Intl Airport flights typically cost between $564 and $659 in February.
The cheapest round-trip price found within the last 5 days was $559 on Icelandair (Feb 26-Mar 7).

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

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

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Evie Carrick

Evie Carrick

Expert on Aer Lingus

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
James March

James March

Expert on DUB

For UK-based James March, nothing beats the thrill and chaos of arriving in a new city for the first time, and he tries to put that feeling into his writing and inspire others to travel too. From Birmingham to Blackpool and Leicester to Liverpool, James has reviewed hotels, written narratives and created guides for those who love to travel.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Dublin to Washington, D.C. Dulles Intl Airport, such as Aer Lingus and Icelandair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,855 reviews

Comfort

7.2

Food

6.7

Boarding

7.5

Entertainment

7.0

Overall

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Aer Lingus
7.3
Good
1,855 reviews
Aer Lingus
7.3
Good
1,855 reviews

Comfort

7.2

Food

6.7

Boarding

7.5

Entertainment

7.0

Overall

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Icelandair
6.9
Okay
765 reviews
Aer Lingus
7.3
Good
1,855 reviews

Comfort

7.2

Food

6.7

Boarding

7.5

Entertainment

7.0

Overall

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.

Related info for your journey

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

    Dublin (DUB) is the airport you will fly out of if you book a flight from Dublin to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Dublin; the airport handles an average of 3 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Dublin airport to Washington, D.C. Dulles Intl. It is only a 5.7 mi journey to Dublin (DUB) from Dublin’s city center.

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

    Departing from Dublin to Washington, D.C. Dulles Intl Airport will take you 12h. There are 3393 mi between Dublin and Washington, D.C. Dulles Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $438, Icelandair will fly you from Dublin to Washington, D.C. Dulles Intl Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Aer Lingus for as low as $512. Icelandair is 35% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Before booking your flight to Washington, D.C. Dulles Intl Airport from Dublin, check out the most reliable airlines to get you to your destination on time: Qatar Airways (85%), Lufthansa (82%), American Airlines( 80%).

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

    The cheapest flight price from Dublin to Washington, D.C. Dulles Intl Airport is $438. On average you can expect to pay $1,037. The most popular route, (Dublin - Washington, D.C. Dulles Intl), can usually be booked for $559.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Dublin to Washington, D.C. Dulles Intl Airport (average of $525). Flying from Dublin to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $832). 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
Alexandria
Chantilly
Woodbridge
Arlington
Owings Mills
Lanham
Sterling
Reston
Herndon
Hyattsville
Rockville
Springfield
Fredericksburg
Falls Church
Tysons
Towson
Oxon Hill
Laurel
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dublin to Dulles Intl

Dublin to Baltimore flights
Cork to Baltimore flights
Shannon to Dulles Intl flights

Top 2 airlines flying from Dublin to Dulles Intl

AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$438Average$465FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$512Average$643FlexibilityNo cancel feeOn-timeN/A

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