$293 Find Cheap Flights from Washington to Ireland - Compare and Save

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 to Ireland.

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

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

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 to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

There are 6 airports in Ireland. The busiest airport is Dublin Airport (DUB), with 87% of all flights arriving there.

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Ireland is Dublin Airport (DUB), with an average flight price of $525.

Based on KAYAK data, the cheapest day to fly to Ireland is Wednesday where round-trip tickets can be as cheap as $831. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $1,106 on average.

The cheapest time of day to fly to Ireland is generally in the evening, when round-trip flights cost $754 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 $1,020.

The cheapest ticket to Ireland from Washington found in the last 5 days was to Dublin, at $699 round-trip. The most popular route is Seattle (SEA) to Dublin (DUB) and the cheapest round-trip airline ticket found on this route in the last 5 days was $699.

The cheapest month for flights from Washington to Ireland is February, when tickets cost $424 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $750 and $665 respectively.

To get a below average price on the flight from Washington to Ireland, you should book around 8 weeks before departure, which saves you about 37% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

An average nonstop flight from Washington to Ireland takes 17h 07m, covering a distance of 4532 miles. The shortest route is Seattle (SEA) to Dublin (DUB) with an average flight time of 9h 05m.

Based on KAYAK flight searches, the most popular destination is Dublin (100% of total searches to Ireland).