£238 Find Cheap Flights from Chicago to Dublin – Compare and Save

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

The cheapest month for flights from Chicago O'Hare Intl Airport to Dublin is February, 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 £716 and £618 respectively.

No, with an average price for the route of £436, 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 4 weeks before departure, which saves you about 31% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Weekly flights between Chicago and Dublin historically see delays in approximately 23% of cases, with the average delay over the past year being 153 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, Sunday 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 18% 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 3 direct flights that take off from Chicago O'Hare Intl Airport and land in Dublin, with an average flight time of 7h 31m. The most common departure time is 19:00 and most flights take off in the evening. Each week, there are 21 flights and there are the same number of flights each day (3).