€249 Find Cheap Flights from Washington Dulles Airport to Ireland – Compare and Save

The cheapest ticket to Ireland from Washington, D.C. Dulles Intl Airport found in the last 5 days was to Dublin, at €708 return. The most popular route is from Washington, D.C. Dulles Intl Airport (IAD) to Dublin (DUB), and the cheapest return airline ticket found on this route in the last 5 days was €708.

The cheapest time of day to fly to Ireland is generally in the evening, 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 at night, which is peak travel time and where the average cost of a ticket is €708.

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 €601 on average.

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Ireland is January, when tickets cost €532 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of return tickets is €927 and €914 respectively.

For Washington Dulles Airport to Ireland, Friday is the cheapest day to fly on average and Sunday 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.

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 24% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Air Canada connects Washington, D.C. Dulles Intl Airport to Ireland with 19 flights per week. United Airlines also offers 19 flights per week, while American Airlines follows with 14 flights per week.

In the past 5 days, the cheapest return tickets from Washington, D.C. Dulles Intl Airport to Ireland were found on KLM (€557) and Icelandair (€565).

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 11h 00m, and Knock, which takes 13h 20m.

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

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

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.