Question 1

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 2

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

Accepted Answer

Aer Lingus, Scandinavian Airlines, and Icelandair are the most popular carriers operating from Washington, D.C. to Dublin

Question 3

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

Accepted Answer

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

Question 4

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

Accepted Answer

As of February 2026, prices for Washington, D.C. to Dublin flights are approximately 142% more expensive when compared to flights at the same time last year.

Question 5

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. 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 €617. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €677 on average. Flights to Dublin from Washington, D.C. in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 6

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

Accepted Answer

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

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. when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €600 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. for as low as €515 on momondo.

Question 8

How long does it take to fly to Dublin?

Accepted Answer

On average, it takes 8h 27m to fly from Washington, D.C. to Dublin if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Dublin (the most popular airport in Dublin). If you’re flying out of Baltimore and into Dublin, then the flight time is around 9h 14m.

Question 9

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 10

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 11

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 €605. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around €682. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

Question 12

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

Accepted Answer

The number of flights available between Washington, D.C. 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 13

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

Accepted Answer

The number of flights available between Washington, D.C. and Dublin is 35 per week as of February 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

Question 14

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 15

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

Accepted Answer

You could potentially save up to 36% on your flight if you consider stops on a Washington, D.C. to Dublin flight.

Question 16

What is the cheapest month to fly to Dublin?

Accepted Answer

If you aren’t able to travel during the month of January, then book flights to Dublin from Washington, D.C. during October instead. Flights to Dublin in October, while not as cheap as those in January, still average around €514.

Question 17

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

Accepted Answer

Prices for flights from Washington, D.C. to Dublin Airport were last updated today.

Question 18

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Dublin Airport.

Question 19

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

Accepted Answer

The travel and health documents required for your trip to Dublin Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Dublin Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Airports in Dublin	1 airport

Cheap flights from Washington, D.C. to Dublin from €135

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Dublin departing on 15/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

What is the cheapest month to fly to Dublin?

If you aren’t able to travel during the month of January, then book flights to Dublin from Washington, D.C. during October instead. Flights to Dublin in October, while not as cheap as those in January, still average around €514.

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. to Dublin flight route?

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

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

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

There are 2 cabin classes available to choose from on Washington, D.C. 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. to Dublin flights?

You could potentially save up to 36% on your flight if you consider stops on a Washington, D.C. to Dublin flight.

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

As of February 2026, prices for Washington, D.C. to Dublin flights are approximately 142% more expensive when compared to flights at the same time last year.

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

Aer Lingus, Scandinavian Airlines, and Icelandair are the most popular carriers operating from Washington, D.C. 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. to Dublin on average per day?

The number of flights available between Washington, D.C. 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. to Dublin on average per week?

The number of flights available between Washington, D.C. and Dublin is 35 per week as of February 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

How long does it take to fly to Dublin?

On average, it takes 8h 27m to fly from Washington, D.C. to Dublin if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Dublin (the most popular airport in Dublin). If you’re flying out of Baltimore and into Dublin, then the flight time is around 9h 14m.

When to book flights from Washington, D.C. to Dublin

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

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