€327 Find Cheap Flights from Chicago O'Hare Airport to Dublin – Compare and Save

Your flight ticket price will generally be cheaper if you fly to Dublin on a Thursday and more expensive on a Wednesday. On your return trip to Chicago O'Hare Airport, you should consider flying back on a Thursday, and avoid Sundays for better deals.

The cheapest month for flights from Chicago O'Hare Intl Airport to Dublin is January, where tickets cost €446 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is €823 and €710 respectively.

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 €405 on average.

To get a below average price on the flight from Chicago O'Hare Intl Airport to Dublin, you should book around 4 weeks before departure, which saves you about 34% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

In the past 3 days, the cheapest return tickets from Chicago O'Hare Airport to Dublin were found on Aer Lingus (€417) and Scandinavian Airlines (€512).

Aer Lingus connects Chicago O'Hare Airport to Dublin with 14 flights per week. American Airlines also offers 7 flights per week, while United Airlines follows with 7 flights per week.

Weekly flights between Chicago and Dublin historically see delays in approximately 23% of cases, with the average delay over the past year being 156 minutes.

Typically, flights leaving in the early afternoon tend to face fewer delays, whereas flights in the evening have historically encountered delays more often.

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Wednesday has typically experienced more delays than other days.

Based on our data, Aer Lingus have experienced the fewest delays on this route in the past 12 months, with only about 21% of their flights encountering any delays.

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.

Each day, there are 4 direct flights that take off from Chicago O'Hare Intl Airport and land in Dublin, with an average flight time of 7h 28m. The most common departure time is 20:00 and most flights take off in the evening. Each week, there are 28 flights and there are the same number of flights each day (4).