Cheap flights from District of Columbia to Ireland from €188

The month of October is another great option to travel to Ireland, with average flight prices from District of Columbia averaging around €514.

The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as €605. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around €839. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

In the afternoon is the cheapest time of day to fly from District of Columbia to Ireland when you can find flight prices for as low as €607. Flying to Ireland in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the evening when prices are around €617.

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

You are more likely to see cheaper flights to Ireland from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €603 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from District of Columbia for as low as €531 on momondo.

There are 2 cabin classes available to choose from on District of Columbia to Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of March 2026, there are 12 flights per day flying from District of Columbia to Ireland. The most common time of day flights depart is 17:00, with 51% of flights taking off in the afternoon.

86 flights are operational weekly from District of Columbia to Ireland as of March 2026. The most popular departure day for this route is Tue, with 15% of flights per week taking off on this day.