£235 Find Cheap Flights from Chicago to Dublin – Compare and Save

For Chicago to Dublin, Friday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Dublin back to Chicago, the best deals are generally found on Tuesday, with Saturday being the most expensive.

The cheapest month for flights from Chicago O'Hare Intl Airport to Dublin is January, where tickets cost £382 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £709 and £611 respectively.

No, with an average price for the route of £500, prices are generally cheapest when you fly direct.

To get a below average price on the flight from Chicago O'Hare Intl Airport to Dublin, you should book around 5 weeks before departure, which saves you about 40% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

In the past 5 days, the cheapest return tickets from Chicago to Dublin were found on Icelandair (£477) and TAP AIR PORTUGAL (£478).

Aer Lingus connects Chicago 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 24% 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 Thursday has typically experienced more delays than other days.

Based on our data, American Airlines 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).