Question 1

What is the cheapest month to fly to Dublin?

Accepted Answer

If you aren’t able to travel during the month of February, then book flights to Dublin from Washington, D.C. Dulles Intl Airport during January instead. Flights to Dublin in January, while not as cheap as those in February, still average around €505.

Question 2

What cabin class options are available on Washington, D.C. Dulles Intl to Dublin flights?

Accepted Answer

There are 2 cabin classes available to choose from on Washington, D.C. Dulles Intl to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 3

What is the most punctual flight time for Washington, D.C. to Dublin flights?

Accepted Answer

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Question 4

Which airline has the best punctuality record on Washington, D.C. to Dublin flights?

Accepted Answer

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

Question 5

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Dublin?

Accepted Answer

Aer Lingus is the most popular carrier operating from Washington, D.C. Dulles Intl to Dublin

Question 6

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Dublin flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Dublin.

Question 7

How far in advance should I book a flight to Dublin?

Accepted Answer

You are more likely to see cheaper flights to Dublin from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €601 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Washington, D.C. Dulles Intl Airport for as low as €516 on momondo.

Question 8

What is the cheapest time of day to depart on your flight to Dublin?

Accepted Answer

Our data shows that the cheapest Washington, D.C. Dulles Intl Airport to Dublin flights are usually those with departure times in the evening. Our users have found flights to Dublin in the evening for as low as €618. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €678 on average. Flights to Dublin from Washington, D.C. Dulles Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 9

How have Washington, D.C. Dulles Intl Airport to Dublin flight prices changed over time?

Accepted Answer

As of February 2026, prices for Washington, D.C. Dulles Intl Airport to Dublin flights are approximately 38% cheaper when compared to flights at the same time last year.

Question 10

How often are flights from Washington, D.C. to Dublin delayed?

Accepted Answer

Historically, on average around 18% of flights between Washington, D.C. and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 171 minutes.

Question 11

How many flights depart from Washington, D.C. Dulles Intl Airport to Dublin on average per day?

Accepted Answer

The number of flights available between Washington, D.C. Dulles Intl Airport and Dublin is 5 per day as of February 2026. The most frequent departure time is 17:00, with 100% of daily flights leaving in the afternoon.

Question 12

How many flights depart from Washington, D.C. Dulles Intl Airport to Dublin on average per week?

Accepted Answer

35 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Dublin as of February 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

Question 13

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Question 14

What is the cheapest day to depart on your flight to Dublin?

Accepted Answer

Our data shows that Tuesday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €606. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around €618. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

Question 15

What is the cheapest Washington, D.C. Dulles Intl to Dublin flight route?

Accepted Answer

Fly from Washington, D.C. Dulles Intl to Dublin for the best Washington, D.C. Dulles Intl - Dublin flight prices

Question 16

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Dublin Airport?

Accepted Answer

Prices for flights from Washington, D.C. Dulles Intl Airport to Dublin Airport are refreshed on a daily basis.

Question 17

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Dublin Airport?

Accepted Answer

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Dublin Airport.

Question 18

What documentation or ID do you need to fly to Dublin Airport?

Accepted Answer

The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Dublin

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of February, then book flights to Dublin from Washington, D.C. Dulles Intl Airport during January instead. Flights to Dublin in January, while not as cheap as those in February, still average around €505.

What is the cheapest day to depart on your flight to Dublin?

What is the cheapest time of day to depart on your flight to Dublin?

What is the cheapest Washington, D.C. Dulles Intl to Dublin flight route?

Fly from Washington, D.C. Dulles Intl to Dublin for the best Washington, D.C. Dulles Intl - Dublin flight prices

How far in advance should I book a flight to Dublin?

What cabin class options are available on Washington, D.C. Dulles Intl to Dublin flights?

There are 2 cabin classes available to choose from on Washington, D.C. Dulles Intl to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Dublin flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Dublin.

How have Washington, D.C. Dulles Intl Airport to Dublin flight prices changed over time?

As of February 2026, prices for Washington, D.C. Dulles Intl Airport to Dublin flights are approximately 38% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Dublin?

Aer Lingus is the most popular carrier operating from Washington, D.C. Dulles Intl to Dublin

How often are flights from Washington, D.C. to Dublin delayed?

Historically, on average around 18% of flights between Washington, D.C. and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 171 minutes.

What is the most punctual flight time for Washington, D.C. to Dublin flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Washington, D.C. to Dublin flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

How many flights depart from Washington, D.C. Dulles Intl Airport to Dublin on average per day?

The number of flights available between Washington, D.C. Dulles Intl Airport and Dublin is 5 per day as of February 2026. The most frequent departure time is 17:00, with 100% of daily flights leaving in the afternoon.

How many flights depart from Washington, D.C. Dulles Intl Airport to Dublin on average per week?

35 flights are operational weekly from Washington, D.C. Dulles Intl Airport to Dublin as of February 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

When to book flights from Washington, D.C. Dulles Intl Airport to Dublin

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What documentation or ID do you need to fly to Dublin Airport?

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