€358 Find Cheap Flights from Dublin to Chicago O'Hare Airport – Compare and Save

If your flying dates are flexible, you should consider flying to Chicago O'Hare Airport on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Dublin to Chicago O'Hare Airport. For your return ticket, we recommend flying on a Monday and avoiding Wednesdays for the best deals.

The cheapest month for flights from Dublin to Chicago O'Hare Intl Airport is November, where tickets cost €412 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is €730 and €690 respectively.

No, with an average price for the route of €563, prices are generally cheapest when you fly direct.

To get a below average price on the flight from Dublin to Chicago O'Hare Intl Airport, you should book around 3 weeks before departure, which saves you about 28% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 16 weeks before departure.

In the past 5 days, the cheapest return tickets from Dublin to Chicago O'Hare Airport were found on Icelandair (€358) and Lufthansa (€435).

Dublin and Chicago O'Hare Airport are connected by different airlines. The airlines that fly that route the most regularly are Aer Lingus (14 flights per week), United Airlines (7 flights per week), and American Airlines (2 flights per week).

Weekly flights between Dublin and Chicago historically see delays in approximately 11% 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 morning have historically encountered delays more often.

Statistically, Thursday is the day of the week with the fewest delays on this flight route, while Tuesday 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 7% of their flights encountering any delays.

Reykjavik (KEF) is the top choice – 57% of KAYAK users who clicked on one-stop flights from Dublin to Chicago O'Hare Airport picked an itinerary connecting there.

Flights via Copenhagen (CPH) offer the most affordable fares, with an average price of €494 for a return.

Consider flying via Reykjavik (KEF) for the shortest journey. The average one-way travel time for flights connecting there is 11h 09m.

If you prefer a quick connection, Reykjavik (KEF) often has the shortest stopovers from Dublin to Chicago O'Hare Airport, with an average time of 1h 41m.

There are 3 cabin class options for the route. These are Business, Economy and Prem 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 between 3 and 4 direct flights that take off from Dublin and land in Chicago O'Hare Intl Airport, with an average flight time of 8h 20m. The most common departure time is 11:00 and most flights take off in the morning. Each week, there are 23 flights. The most frequent day of departure is Monday, when 17% of all weekly flights depart. The fewest flights depart on a Wednesday.