€150 Find Cheap Flights from Chicago O'Hare Airport to Ireland – Compare and Save

The cheapest ticket to Ireland from Chicago O'Hare Intl Airport found in the last 5 days was to Dublin, at €594 return. The most popular route is from Chicago O'Hare Intl Airport (ORD) to Dublin (DUB), and the cheapest return airline ticket found on this route in the last 5 days was €594.

The cheapest time of day to fly to Ireland is generally in the evening, when retur flights cost €665 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 €880.

No, with an average price for the route of €787, prices are generally cheapest when you fly direct.

The cheapest month for flights from Chicago O'Hare Intl Airport to Ireland is February, when tickets cost €460 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of return tickets is €849 and €732 respectively.

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

To get a below-average price on a flight from Chicago O'Hare Intl Airport to Ireland, you should book around 4 weeks before departure, which saves you about 30% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

Chicago O'Hare Intl Airport and Ireland are connected by different airlines. The airlines that fly that route the most regularly are Aer Lingus (28 flights per week), American Airlines (21 flights per week), and British Airways (21 flights per week).

In the past 5 days, the cheapest return tickets from Chicago O'Hare Intl Airport to Ireland were found on United Airlines (€610) and Icelandair (€630).

The duration of a flight to Ireland depends on your arrival airport. The shortest routes to Ireland from Chicago O'Hare Intl Airport are to Dublin, which takes 7h 20m, Shannon, which takes 7h 25m, and Cork, which takes 11h 55m.

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 Chicago O'Hare Intl Airport to Ireland departs at 15:45, landing in Dublin at 05:10.

If you prefer to fly at night, the last flight from Chicago O'Hare Intl Airport to Ireland sets off at 22:20 and lands in Dublin at 11:50.