Q: How much does it cost for a return flight from Washington, D.C. Dulles Intl Airport to Dublin?

Airfare is below average for this route at the moment. Washington, D.C. Dulles Intl Airport to Dublin flights typically cost between £417 and £621 in October. The cheapest return flight price found within the last 3 days was £335 on Delta (12 Oct-14 Nov).

Question 1

How much does it cost for a return flight from Washington, D.C. Dulles Intl Airport to Dublin?

Accepted Answer

Airfare is below average for this route at the moment.Washington, D.C. Dulles Intl Airport to Dublin flights typically cost between £417 and £621 in October.
The cheapest return flight price found within the last 3 days was £335 on Delta (12 Oct-14 Nov).

Question 2

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

Accepted Answer

Delta and United Airlines can get you from Washington, D.C. Dulles Intl Airport to Dublin in just under 7h. Your travel time can differ by up to 8h 18m. Washington, D.C. Dulles Intl Airport and Dublin are separated by a distance of 3393 mi. This flight may include one or multiple stops.

Question 3

What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Dublin round-trip?

Accepted Answer

Flying on Aer Lingus is currently your cheapest option to Dublin, with prices starting at £299. This flight start at 43% lower than the current average price 3 months from now.

Question 4

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

Accepted Answer

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Dublin may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 5

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dublin (average of £71). Flying from Washington, D.C. Dulles Intl Airport to Dublin in August is currently the most expensive (average of £94). 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.

Question 6

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Dublin?

Accepted Answer

Travellers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Dublin flight should consider departing on Sunday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

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

Accepted Answer

The most flights from IAD to DUB are scheduled on a Monday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Question 8

E

Accepted Answer

In terms of precipitation, rainfall in Dublin ranges from 49.0 - 79.0 inches per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Dublin when rainfall is around 49.0 mm.

Question 9

E

Accepted Answer

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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Question 10

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

Accepted Answer

Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Dublin? While on average our users pay £411, our data indicates the cheapest price to be £237. The most popular route (Washington, D.C. Dulles Intl - Dublin), is priced around £361.

Question 11

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

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Dublin consider choosing Iberia (62%), American Airlines (57%) or Aer Lingus (57%) as they are the most reliable in getting you off to your destination on time.

Question 12

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Dublin?

Accepted Answer

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Dublin. Check prices with Cheapflights to find a great deal for your trip.

Question 13

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

Accepted Answer

Users have found that booking a flight from Washington, D.C. Dulles Intl Airport to Dublin at least 36 days early can save you up to 26% on average compared to booking a flight this week. If booking 36 days before your flight isn’t an option for you, users have found flights from Washington, D.C. Dulles Intl Airport to Dublin for as little as £439 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £663 for flights departing within the next 3 days.

Question 14

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

Accepted Answer

Our data shows that January tends to be the cheapest month to fly to Dublin from Washington, D.C. Dulles Intl Airport. Users have commonly found prices around £491 for the month, but tickets can be as low as £205. Due to multiple factors, prepare for potentially higher prices in June.

Question 15

What is the cheapest time of day to fly from IAD to DUB?

Accepted Answer

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Dublin is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 6% on airfare.

Question 16

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

Accepted Answer

For a flight from Washington, D.C. Dulles Intl to Dublin, you will be flying into Dublin. Dublin (DUB) is just 5.7 mi from the center of the city. Dublin is the only Dublin airport and it handles 13 inbound flights from Washington, D.C. Dulles Intl per day. 1 airline has flights to Dublin from Washington, D.C. Dulles Intl on a regular basis.

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

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.

Question 19

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

Accepted Answer

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.

Question 20

How does Cheapflights help users find flights from Dulles Intl to Dublin?

Accepted Answer

Deals for Dulles Intl to Dublin flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Question 21

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Dublin?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Dulles Intl to Dublin by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 22

Can Cheapflights find flights from Dulles Intl to Dublin with no change fees?

Accepted Answer

Yes, we can. To see specific flights from Dulles Intl to Dublin with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Question 23

Can Cheapflights notify me if prices for flights from Dulles Intl to Dublin become cheaper?

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	£335
One-way from	£215
Popular in	June
Cheapest in	January
Average price	£517
Good round-trip deal	£452 or less
Good one-way deal	£345 or less

Cheap flights from Washington, D.C. Dulles Intl Airport to Dublin from £215

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Dublin are usually found in January or February, booked 57 days in advance, depart on a Sunday or Monday and return on a Thursday

Cheap flight deals from Dulles Intl to Dublin

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Find flight deals from Dulles Intl to Dublin

Cheapest flights from Dulles Intl to DublinExplore 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 27 August 2025.

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 27 August 2025.

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Best time to book a flight from Dulles Intl to Dublin

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Cheapflights Insights

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

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

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

What is the cheapest time of day to fly from IAD to DUB?

How much does it cost for a return flight from Washington, D.C. Dulles Intl Airport to Dublin?

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

Reviews of airlines servicing Dublin

Get a feel of what it's like to fly with Aer Lingus from Washington, D.C. Dulles Intl Airport to Dublin by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Dublin round-trip?

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

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

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

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

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

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

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Can Cheapflights notify me if prices for flights from Dulles Intl to Dublin become cheaper?

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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 27 August 2025.