€424 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 Friday 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 €409 (return) on average. On the other hand, the most expensive months are July and August, where the average cost of round-trip tickets is €726 and €671 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 €685 on average.

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 35% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 3 weeks before departure.

In the past 5 days, the cheapest return tickets from Dublin to Chicago O'Hare Airport were found on Scandinavian Airlines (€520) and Iberia (€521).

Aer Lingus connects Dublin to Chicago O'Hare Airport with 13 flights per week. American Airlines also offers 7 flights per week, while United Airlines follows with 7 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 – 59% 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 €492 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 15m. The most common departure time is 11:00 and most flights take off in the morning. Each week, there are 27 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Sunday.