Question 1

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The average flight duration from Ireland to Washington, D.C. Dulles Intl Airport depends on which airport you fly into and out of. Flying from Dublin to Washington, D.C. Dulles Intl Airport is 7h 55m on average, while flying from Shannon to Washington, D.C. Dulles Intl Airport is 13h 10m on average. Washington, D.C. Dulles Intl Airport is the most popular airport in Washington, D.C. Dulles Intl Airport.

Question 2

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

Accepted Answer

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

Question 3

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

Accepted Answer

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

Question 4

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

Accepted Answer

TAP AIR PORTUGAL, British Airways, and Aer Lingus are the most popular carriers operating from Ireland to Washington, D.C. Dulles Intl

Question 5

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

Accepted Answer

Historically, on average around 14% of flights between Ireland and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 152 minutes.

Question 6

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

Accepted Answer

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

Question 7

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

Accepted Answer

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around €507 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Ireland for as low as €428 on momondo.

Question 8

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

Accepted Answer

The number of flights available between Ireland and Washington, D.C. Dulles Intl Airport is 11 per day as of December 2025. The most frequent departure time is 12:00, with 100% of daily flights leaving in the afternoon.

Question 9

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

Accepted Answer

83 flights are operational weekly from Ireland to Washington, D.C. Dulles Intl Airport as of December 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

Question 10

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

Accepted Answer

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

Question 11

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Accepted Answer

According to our data, the cheapest time of day to fly to Washington, D.C. Dulles Intl Airport is in the afternoon. momondo users have found flights departing from Ireland to Washington, D.C. Dulles Intl Airport in the afternoon for as low as €513. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around €691. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 12

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Accepted Answer

According to our data, Thursday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Ireland. The lowest ticket price found for a Thursday departure recently was €620. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Sunday is €794.

Question 13

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

Accepted Answer

You could potentially save up to 14% on your flight if you consider stops on a Ireland to Washington, D.C. Dulles Intl Airport flight.

Question 14

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

Accepted Answer

The month of January is, on average, the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Ireland, with most prices found around €399. If you aren’t able to travel during the month of January, then book flights to Washington, D.C. Dulles Intl Airport from Ireland during November instead. Flights to Washington, D.C. Dulles Intl Airport in November, while not as cheap as those in January, still average around €436.

Question 15

Which airline has the best punctuality record on Ireland to Washington, D.C. 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 16

Which airlines fly to Washington, D.C. Dulles Intl Airport?

Accepted Answer

Aer Lingus, United Airlines and Icelandair are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Ireland according to our data. Aer Lingus is the first choice among our users, with 62% of people opting to fly with this airline when travelling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

Question 17

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

Accepted Answer

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

Question 18

How many operators does momondo search for flights from Ireland to Washington, D.C. Dulles Intl Airport?

Accepted Answer

As of December 2025, there are 3 operators available to choose from for flights from Ireland to Washington, D.C. Dulles Intl Airport.

Question 19

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

Question 20

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

Accepted Answer

The necessary travel and health documents for your Washington, D.C. Dulles Intl 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.

Best price found	€507
Fastest flight time	7h 55m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom €294	Free Cancellation	Rating 7.0 590 reviews	Search Icelandair flights
Aer Lingus	PriceFrom €312	Free Cancellation	Rating 7.2 1,394 reviews	Search Aer Lingus flights
United Airlines	PriceFrom €403	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights

Cheap flights from Ireland to Washington, D.C. from €359

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Washington, D.C. departing on 15/1. 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 Ireland to Washington, D.C. Dulles Intl Airport

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

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

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

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

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

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

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

You could potentially save up to 14% on your flight if you consider stops on a Ireland to Washington, D.C. Dulles Intl Airport flight.

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

TAP AIR PORTUGAL, British Airways, and Aer Lingus are the most popular carriers operating from Ireland to Washington, D.C. Dulles Intl

Which airlines fly to Washington, D.C. Dulles Intl Airport?

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

Historically, on average around 14% of flights between Ireland and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 152 minutes.

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

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

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

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

Which airline has the best punctuality record on Ireland to Washington, D.C. 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 Ireland to Washington, D.C. Dulles Intl Airport on average per day?

The number of flights available between Ireland and Washington, D.C. Dulles Intl Airport is 11 per day as of December 2025. The most frequent departure time is 12:00, with 100% of daily flights leaving in the afternoon.

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

83 flights are operational weekly from Ireland to Washington, D.C. Dulles Intl Airport as of December 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

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What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

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