Question 1

How long is the flight from Washington, D.C. to Ireland?

Accepted Answer

On average, it takes 8h 35m to fly from Washington, D.C. to Ireland if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Dublin (the most popular airport in Ireland). If you’re flying out of Baltimore and into Dublin, then the flight time is around 9h 35m.

Question 2

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

Accepted Answer

In the evening is the cheapest time of day to fly from Washington, D.C. to Ireland when you can find flight prices for as low as €629. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the afternoon when prices are around €690.

Question 3

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

Accepted Answer

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

Question 4

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 5

What is the cheapest month to fly to Ireland?

Accepted Answer

The month of February is another great option to travel to Ireland, with average flight prices from Washington, D.C. averaging around €501.

Question 6

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

Accepted Answer

Aer Lingus, JetBlue, and British Airways are the most popular carriers operating from Washington, D.C. to Ireland

Question 7

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

Accepted Answer

As of January 2026, there are 35 flights per week flying from Washington, D.C. to Ireland. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

Question 8

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

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

What is the most punctual flight time for Washington, D.C. to Ireland 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 11

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

Accepted Answer

The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as €616. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around €629. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

Question 12

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

Accepted Answer

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

Question 13

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

Accepted Answer

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Ireland.

Question 14

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

Accepted Answer

As of January 2026, there are 5 flights per day flying from Washington, D.C. to Ireland. The most common time of day flights depart is 17:00, with 100% of flights taking off in the afternoon.

Question 15

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

Accepted Answer

You are more likely to see cheaper flights to Ireland from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €612 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Washington, D.C. for as low as €519 on momondo.

Question 16

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

Accepted Answer

Prices for flights from Washington, D.C. to Ireland are updated daily.

Question 17

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

Accepted Answer

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Ireland.

Question 18

What documentation or ID do you need to fly to Ireland?

Accepted Answer

The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Fastest flight time	6h 50m
Direct flights	Every day
Airports in Ireland	77 airports

Cheap flights from Washington, D.C. to Ireland from €97

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 Ireland departing on 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Washington, D.C. to Ireland

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Icelandair flights from Washington, D.C. to Ireland

Our best Icelandair deals on Washington, D.C. to Ireland flight tickets

British Airways flights from Washington, D.C. to Ireland

Our best British Airways deals on Washington, D.C. to Ireland flight tickets

momondo Fare Finder

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

See travel insights to Ireland from

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

What is the cheapest month to fly to Ireland?

The month of February is another great option to travel to Ireland, with average flight prices from Washington, D.C. averaging around €501.

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

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

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

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

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

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

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

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Ireland.

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

Aer Lingus, JetBlue, and British Airways are the most popular carriers operating from Washington, D.C. to Ireland

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

Historically, on average around 18% of flights between Washington, D.C. and Ireland 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 Ireland 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 Ireland flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

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

As of January 2026, there are 5 flights per day flying from Washington, D.C. to Ireland. The most common time of day flights depart is 17:00, with 100% of flights taking off in the afternoon.

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

As of January 2026, there are 35 flights per week flying from Washington, D.C. to Ireland. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

How long is the flight from Washington, D.C. to Ireland?

On average, it takes 8h 35m to fly from Washington, D.C. to Ireland if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Dublin (the most popular airport in Ireland). If you’re flying out of Baltimore and into Dublin, then the flight time is around 9h 35m.

Cheap Washington, D.C. to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Ireland

Fastest flight time

Direct flights

Airports in Ireland

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

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

What documentation or ID do you need to fly to Ireland?

What is the most popular plane model from Washington, D.C. to Ireland?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Ireland?

Can I find flights from Washington, D.C. to Ireland with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Ireland?

I’m not ready to book a flight from Washington, D.C. to Ireland right now. Can momondo alert me if prices change?

An easier way to manage your Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo