Question 1

How does KAYAK find such low prices on flights from Washington Dulles Airport to Ireland?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Ireland. <a href='/flight-routes/Washington-Dulles-Intl-IAD/Ireland-IE0'>Visit our flight page for the latest deals!>/a>

Question 2

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Ireland?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington Dulles Airport to Ireland is likely to change within 7 days, so travellers know whether to wait or book now. <a href='/flight-routes/Washington-Dulles-Intl-IAD/Ireland-IE0'>Visit our flight page for the latest deals!>/a>

Question 3

What is the Hacker Fare option on flights from Washington Dulles Airport to Ireland?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Washington Dulles Airport to Ireland with an airline and back with another airline. <a href='/flight-routes/Washington-Dulles-Intl-IAD/Ireland-IE0'>Visit our flight page for the latest deals!>/a>

Question 4

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Ireland?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington Dulles Airport to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Washington-Dulles-Intl-IAD/Ireland-IE0'>Visit our flight page for the latest deals!>/a>

Question 5

Which airlines fly most frequently between Washington, D.C. Dulles Intl Airport and Ireland?

Accepted Answer

American Airlines connects Washington, D.C. Dulles Intl Airport to Ireland with 16 flights per week. British Airways also offers 16 flights per week, while Aer Lingus follows with 16 flights per week.

Question 6

Which airlines fly most frequently between Washington, D.C. Dulles Intl Airport and Ireland?

Accepted Answer

American Airlines connects Washington, D.C. Dulles Intl Airport to Ireland with 16 flights per week. British Airways also offers 16 flights per week, while Aer Lingus follows with 16 flights per week.

Question 7

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Ireland?

Accepted Answer

There are 2 cabin class options for the route. These are Business and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 8

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Ireland?

Accepted Answer

There are 2 cabin class options for the route. These are Business and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 9

Which airlines provide the cheapest flights from Washington, D.C. Dulles Intl Airport to Ireland?

Accepted Answer

In the past 3 days, the cheapest return tickets from Washington, D.C. Dulles Intl Airport to Ireland were found on United Airlines (€654) and British Airways (€691).

Question 10

Which airlines provide the cheapest flights from Washington, D.C. Dulles Intl Airport to Ireland?

Accepted Answer

In the past 3 days, the cheapest return tickets from Washington, D.C. Dulles Intl Airport to Ireland were found on United Airlines (€654) and British Airways (€691).

Question 11

What’s the cheapest day of the week to fly from Washington Dulles Airport to Ireland?

Accepted Answer

For Washington Dulles Airport to Ireland, Thursday is the cheapest day to fly on average and Friday is the most expensive. Flying from Ireland back to Washington Dulles Airport, the best deals are generally found on Wednesday, with Sunday being the most expensive.

Question 12

What’s the cheapest day of the week to fly from Washington Dulles Airport to Ireland?

Accepted Answer

For Washington Dulles Airport to Ireland, Thursday is the cheapest day to fly on average and Friday is the most expensive. Flying from Ireland back to Washington Dulles Airport, the best deals are generally found on Wednesday, with Sunday being the most expensive.

Question 13

What is the cheapest time of day to fly to Ireland?

Accepted Answer

The cheapest time of day to fly to Ireland is generally at night, when retur flights cost €671 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Ireland is generally in the evening, which is peak travel time and where the average cost of a ticket is €724.

Question 14

What is the cheapest time of day to fly to Ireland?

Accepted Answer

The cheapest time of day to fly to Ireland is generally at night, when retur flights cost €671 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Ireland is generally in the evening, which is peak travel time and where the average cost of a ticket is €724.

Question 15

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

Accepted Answer

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Ireland is February, when tickets cost €308 (return) on average. On the other hand, the most expensive months are June and May, when the average cost of return tickets is €466 and €446 respectively.

Question 16

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

Accepted Answer

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Ireland is February, when tickets cost €308 (return) on average. On the other hand, the most expensive months are June and May, when the average cost of return tickets is €466 and €446 respectively.

Question 17

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

Accepted Answer

The cheapest ticket to Ireland from Washington, D.C. Dulles Intl Airport found in the last 72 hours was to Dublin, at €671 return. The most popular route is from Washington, D.C. Dulles Intl Airport (IAD) to Dublin (DUB), and the cheapest round-trip airline ticket found on this route in the last 3 days was €671.

Question 18

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

Accepted Answer

The cheapest ticket to Ireland from Washington, D.C. Dulles Intl Airport found in the last 72 hours was to Dublin, at €671 return. The most popular route is from Washington, D.C. Dulles Intl Airport (IAD) to Dublin (DUB), and the cheapest round-trip airline ticket found on this route in the last 3 days was €671.

Question 19

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

Accepted Answer

To get a below-average price on a flight from Washington, D.C. Dulles Intl Airport to Ireland, you should book around 2 weeks before departure, which saves you about 21% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Question 20

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

Accepted Answer

To get a below-average price on a flight from Washington, D.C. Dulles Intl Airport to Ireland, you should book around 2 weeks before departure, which saves you about 21% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Question 21

What’s the earliest departure time from Washington, D.C. Dulles Intl Airport to Ireland?

Accepted Answer

The earliest flight from Washington, D.C. Dulles Intl Airport to Ireland departs at 17:15, landing in Dublin at 05:15.

Question 22

How many flights are there between Washington, D.C. Dulles Intl Airport and Ireland per day?

Accepted Answer

Each day, there are 4 direct flights that take off from Washington, D.C. Dulles Intl Airport and land in Ireland, with an average flight time of 7h 01m. The most common departure time is 17:00 and most flights take off in the evening. Each week, there are 28 flights and there are the same number of flights each day (4).

Question 23

How many flights are there between Washington, D.C. Dulles Intl Airport and Ireland per day?

Accepted Answer

Each day, there are 4 direct flights that take off from Washington, D.C. Dulles Intl Airport and land in Ireland, with an average flight time of 7h 01m. The most common departure time is 17:00 and most flights take off in the evening. Each week, there are 28 flights and there are the same number of flights each day (4).

Question 24

How long does a flight from Washington, D.C. Dulles Intl Airport to Ireland take?

Accepted Answer

The duration of a flight to Ireland depends on your arrival airport. The shortest routes to Ireland from Washington, D.C. Dulles Intl Airport are to Dublin, which takes 6h 50m, Shannon, which takes 10h 50m, and Cork, which takes 11h 40m.

Question 25

How long does a flight from Washington, D.C. Dulles Intl Airport to Ireland take?

Accepted Answer

The duration of a flight to Ireland depends on your arrival airport. The shortest routes to Ireland from Washington, D.C. Dulles Intl Airport are to Dublin, which takes 6h 50m, Shannon, which takes 10h 50m, and Cork, which takes 11h 40m.

Question 26

What’s the latest departure time from Washington, D.C. Dulles Intl Airport to Ireland?

Accepted Answer

If you prefer to fly at night, the last flight from Washington, D.C. Dulles Intl Airport to Ireland sets off at 22:35 and lands in Dublin at 10:40.

Question 27

Can I save money by flying with a stopover from Washington, D.C. Dulles Intl Airport to Ireland?

Accepted Answer

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at €575 on average.

Question 28

Can I save money by flying with a stopover from Washington, D.C. Dulles Intl Airport to Ireland?

Accepted Answer

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at €575 on average.

Low season	January
High season	August
Cheapest flight	€238

€249 Find Cheap Flights from Washington Dulles Airport to Ireland

KAYAK searches hundreds of travel sites at once for deals on flights to Ireland

Best Ireland Flight Deals from Dulles Intl

Cheap Flights from Dulles Intl to Ireland

Recent return flight deals from Dulles Intl to Ireland

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KAYAK's insights & trends for Dulles Intl to Ireland flights

Get data-powered insights and trends into flights from Dulles Intl to Ireland to help you find the cheapest flights, the best time to fly, and much more.

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

What is the cheapest time of day to fly to Ireland?

Can I save money by flying with a stopover from Washington, D.C. Dulles Intl Airport to Ireland?

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at €575 on average.

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

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Ireland is February, when tickets cost €308 (return) on average. On the other hand, the most expensive months are June and May, when the average cost of return tickets is €466 and €446 respectively.

What’s the cheapest day of the week to fly from Washington Dulles Airport to Ireland?

For Washington Dulles Airport to Ireland, Thursday is the cheapest day to fly on average and Friday is the most expensive. Flying from Ireland back to Washington Dulles Airport, the best deals are generally found on Wednesday, with Sunday being the most expensive.

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

To get a below-average price on a flight from Washington, D.C. Dulles Intl Airport to Ireland, you should book around 2 weeks before departure, which saves you about 21% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Which airlines fly most frequently between Washington, D.C. Dulles Intl Airport and Ireland?

American Airlines connects Washington, D.C. Dulles Intl Airport to Ireland with 16 flights per week. British Airways also offers 16 flights per week, while Aer Lingus follows with 16 flights per week.

Which airlines provide the cheapest flights from Washington, D.C. Dulles Intl Airport to Ireland?

In the past 3 days, the cheapest return tickets from Washington, D.C. Dulles Intl Airport to Ireland were found on United Airlines (€654) and British Airways (€691).

How long does a flight from Washington, D.C. Dulles Intl Airport to Ireland take?

The duration of a flight to Ireland depends on your arrival airport. The shortest routes to Ireland from Washington, D.C. Dulles Intl Airport are to Dublin, which takes 6h 50m, Shannon, which takes 10h 50m, and Cork, which takes 11h 40m.

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport and Ireland?

There are 2 cabin class options for the route. These are Business and Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How many flights are there between Washington, D.C. Dulles Intl Airport and Ireland per day?

What’s the earliest departure time from Washington, D.C. Dulles Intl Airport to Ireland?

The earliest flight from Washington, D.C. Dulles Intl Airport to Ireland departs at 17:15, landing in Dublin at 05:15.

What’s the latest departure time from Washington, D.C. Dulles Intl Airport to Ireland?

If you prefer to fly at night, the last flight from Washington, D.C. Dulles Intl Airport to Ireland sets off at 22:35 and lands in Dublin at 10:40.

Good to know

FAQs - booking Ireland flights

How does KAYAK find such low prices on flights from Washington Dulles Airport to Ireland?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Ireland.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Ireland?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington Dulles Airport to Ireland is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington Dulles Airport to Ireland?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Washington Dulles Airport to Ireland with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Ireland?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington Dulles Airport to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Dulles Intl to Ireland

Information on your arrival and departure airports

Cabin class types available on flights to Ireland

Complete your trip to Ireland with a hotel stay or car hire

Flights to other popular destinations

Flights from domestic origins to Ireland

Flights to popular cities in Ireland

Find deals for your return flight