$190 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 $645 round-trip. 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 5 days was $645.

The cheapest time of day to fly to Ireland is generally in the evening, when round-trip flights cost $863 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 $863.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $770 on average.

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Ireland is January, when tickets cost $606 (return) on average. On the other hand, the most expensive months are June and December, when the average cost of round-trip tickets is $1,091 and $997 respectively.

Your flight ticket price will generally be cheaper if you fly to Ireland on a Wednesday and more expensive on a Friday. On your return trip to Washington Dulles Airport, you should consider flying back on a Wednesday, and avoid Saturdays for better deals.

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Ireland, you should book around 2 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

There are 6 airlines that fly nonstop from Washington, D.C. Dulles Intl Airport to Ireland. They are: American Airlines, Aer Lingus, Delta, Iberia, United Airlines and Lufthansa. The cheapest price of all airlines flying this route was found with Delta at $157 for a round-trip flight to Shannon (SNN). On average, Aer Lingus offers the best prices for nonstop flights between Washington, D.C. Dulles Intl Airport and Ireland.

American Airlines connects Washington, D.C. Dulles Intl Airport to Ireland with 14 flights per week and both Air Canada and British Airways also offer 14 flights per week.

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 51m, and Milltown (Kerry), which takes 11h 45m.

There are 3 cabin class options for the route. These are Business, Economy and Prem 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 5:15 pm, landing in Dublin at 5:15 am.

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