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

The cheapest return flight from Chicago to Dublin costs €660 on the route between Chicago O'Hare Intl Airport (ORD) and Dublin (DUB). It is also the most popular route.

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

The cheapest month for flights from Chicago to Dublin is January, where tickets cost €443 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is €816 and €685 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 €403 on average.

In the past 5 days, the cheapest return tickets from Chicago to Dublin were found on Aer Lingus (€452) and Delta (€602).

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 23% of cases, with the average delay over the past year being 154 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 20% of their flights encountering any delays.

Toronto (YYZ) is the top choice – 50% of KAYAK users who clicked on one-stop flights from Chicago to Dublin picked an itinerary connecting there.

Flights via Toronto (YYZ) offer the most affordable fares, with an average price of €340 for a return.

Consider flying via Reykjavik (KEF) for the shortest journey. The average one-way travel time for flights connecting there is 9h 45m.

If you prefer a quick connection, Reykjavik (KEF) often has the shortest stopovers from Chicago to Dublin, with an average time of 1h 38m.

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 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).