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CA $269 Cheap Flights from Washington (IAD) to Dublin (DUB)

View CA $269 flight on Wed, Sep 2, 2026Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to Dublin Airport (DUB)

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Cheap flights from Washington (IAD) to Dublin (DUB)

Prices were available within the past 7 days and start at CA $269 for one-way flights and CA $876 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Wed, Nov 18 - Wed, Nov 25
IAD
Washington
DUB
Dublin
CA $876 Roundtrip, found 4 days ago
CA $876
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Wed, Nov 18 from Washington to Dublin, returning Wed, Nov 25, priced at CA $876 found 4 days ago
TAP Portugal
Tue, Sep 15 - Mon, Sep 28
IAD
Washington
DUB
Dublin
CA $885 Roundtrip, found 7 hours ago
CA $885
Roundtrip
found 7 hours ago
Select TAP Portugal flight, departing Tue, Sep 15 from Washington to Dublin, returning Mon, Sep 28, priced at CA $885 found 7 hours ago
Icelandair
Thu, Oct 8 - Sun, Oct 11
IAD
Washington
DUB
Dublin
CA $901 Roundtrip, found 5 days ago
CA $901
Roundtrip
found 5 days ago
Select Icelandair flight, departing Thu, Oct 8 from Washington to Dublin, returning Sun, Oct 11, priced at CA $901 found 5 days ago
Icelandair
Mon, Nov 16 - Mon, Nov 23
IAD
Washington
DUB
Dublin
CA $916 Roundtrip, found 3 days ago
CA $916
Roundtrip
found 3 days ago
Select Icelandair flight, departing Mon, Nov 16 from Washington to Dublin, returning Mon, Nov 23, priced at CA $916 found 3 days ago
Icelandair
Thu, Dec 31 - Wed, Jan 20
IAD
Washington
DUB
Dublin
CA $925 Roundtrip, found 15 hours ago
CA $925
Roundtrip
found 15 hours ago
Select Icelandair flight, departing Thu, Dec 31 from Washington to Dublin, returning Wed, Jan 20, priced at CA $925 found 15 hours ago
TAP Portugal
Sat, Mar 13 - Mon, Mar 22
IAD
Washington
DUB
Dublin
CA $951 Roundtrip, found 6 days ago
CA $951
Roundtrip
found 6 days ago
Select TAP Portugal flight, departing Sat, Mar 13 from Washington to Dublin, returning Mon, Mar 22, priced at CA $951 found 6 days ago
KLM
Wed, Nov 18 - Wed, Nov 25
IAD
Washington
DUB
Dublin
CA $966 Roundtrip, found 4 days ago
CA $966
Roundtrip
found 4 days ago
Select KLM flight, departing Wed, Nov 18 from Washington to Dublin, returning Wed, Nov 25, priced at CA $966 found 4 days ago
Delta
Wed, Nov 18 - Wed, Nov 25
IAD
Washington
DUB
Dublin
CA $966 Roundtrip, found 4 days ago
CA $966
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Nov 18 from Washington to Dublin, returning Wed, Nov 25, priced at CA $966 found 4 days ago
American Airlines
Wed, Nov 18 - Wed, Nov 25
IAD
Washington
DUB
Dublin
CA $966 Roundtrip, found 4 days ago
CA $966
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Nov 18 from Washington to Dublin, returning Wed, Nov 25, priced at CA $966 found 4 days ago
Aer Lingus
Wed, Nov 18 - Wed, Nov 25
IAD
Washington
DUB
Dublin
CA $969 Roundtrip, found 4 days ago
CA $969
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Wed, Nov 18 from Washington to Dublin, returning Wed, Nov 25, priced at CA $969 found 4 days ago

Alternative airports near Dublin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Dublin Airport DUB. Cheapest and Closest option available. Average driving time to city centre is 14 minutes. Flights from CA $1,324
DUB
Dublin Airport
CheapestClosest
Average driving time to city centre14 min
Flights from CA $1,324

Find the cheapest month to fly from Washington (IAD) to Dublin (DUB)

February is typically the cheapest month to fly

From CA $541 - CA $1,108 per traveller.

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB) cost?
You can find one-way and return flights from IAD to DUB with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when IAD to DUB ticket fares go up or down.
What is the cheapest month to fly from Washington, DC (IAD) to Dublin (DUB)?
The cheapest months to fly from Washington, DC (IAD) to Dublin (DUB) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB)?
There are 2 airlines offering direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB). Here are the carriers:
  • Aer Lingus operates 14 direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB) every week.
  • United operates 14 direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB) every week.
What is the cheapest airline that flies from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB)?
TAP Portugal offers one of the cheapest connecting return flights from Washington Dulles Intl. (IAD) to Dublin (DUB) with a layover in Liberty Intl. (EWR), starting from around CA$617. United is one of the cheapest airlines offering nonstop return flights from Washington Dulles Intl. (IAD) to Dublin (DUB), with tickets starting from around CA$710 for flights that can be booked for departure within the next year. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB)?
The best airline to fly with from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB) will differ from traveler to traveler. If you like to fly early, Aer Lingus offers early morning flights. If price is the most important factor, United typically offers the lowest fares. United offers the most daily flights from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Washington, DC (IAD) to Dublin (DUB)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB)?
You'll find approximately 4 nonstop flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB). For even more choices, look at flights that include layovers, as there are around 103 connecting flights per day. Some common connection points include Heathrow (LHR), Hartsfield-Jackson Atlanta Intl. (ATL), and John F. Kennedy Intl. (JFK).
What is the earliest flight from Washington, DC (IAD) to Dublin (DUB)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Washington, DC (IAD) to Dublin (DUB). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB)?
You'll generally find the most flights from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB) on a Wednesday, with around 71 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, Delta, and British Airways. Flight schedules are fairly consistent throughout the week, so you'll have plenty of options regardless of your travel day.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB)?
The most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB) are in the late evening, from 9pm to midnight. Many major carriers, including British Airways, Aer Lingus and United, offer flights during this window. Many travellers prefer this timing because it allows you to maximize your day in Washington, DC before your flight, and you'll arrive in Dublin in the morning, ready to start your day.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB)?
A nonstop flight from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB) typically takes around 7 hours, covering a distance of approximately 5,465 kilometers. If you opt for a flight with one stop, your journey will usually take longer, around 11 hours. Flights with two or more stops generally take about 14 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some flexibility in your travel plans.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB)?
You can absolutely fly business class or first class between IAD and DUB.Airlines that offer business class service on this route include:
  • Aer Lingus
  • SAS
  • Turkish Airlines
  • KLM
  • Lufthansa
  • Air France
  • Iberia
  • Air Canada
  • British Airways
  • Icelandair
  • United
  • Swiss International Air Lines
  • TAP Portugal
  • Delta
  • American Airlines
  • Virgin Atlantic
First class cabins are available on Lufthansa, United, and Swiss International Air Lines.
How do I earn miles on a Washington, DC (IAD) to Dublin (DUB) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD) to Dublin (DUB) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Washington, DC (IAD) to Dublin (DUB) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD) to Dublin (DUB) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD) to Dublin (DUB) flight and hotel package?
Securing a Washington, DC (IAD) to Dublin (DUB) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Dublin (DUB) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Dublin
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, Iberia, Icelandair, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
CA $876
Distance
5432 km
Average flight time
12 hours 2 mins

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Chantilly to Dublin Flights

The easy way to book your flights from Washington to Dublin 

With Expedia, it’s simple to find and book flights to Dublin from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Dublin, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to Dublin today, tomorrow, or this week.  

 

Save dollars with cheap flights from Washington Dulles Intl., IAD to Dublin, DUB 

Sort your search results by price to find great deals on your flight from Washington to Dublin—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Dublin from Washington currently is just CA $876 rising to CA $969.  

Here are more money-saving tips: 

  • Fly in November when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Dublin  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Dublin from Washington 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Dublin with Expedia today.

Chantilly to Dublin Flights

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