$494 Find Cheap Flights from Dublin to Chicago - Compare and Save

When flying from Dublin to Chicago, you should consider leaving on a Sunday and avoid Mondays if you are looking for the best rates. For your return to Dublin, you’ll find the best rates on Wednesdays and the most expensive ones on Saturdays.

The cheapest month for flights from Dublin to Chicago O'Hare Intl Airport is November, where tickets cost $476 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is $852 and $847 respectively.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $668 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 34% 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 round-trip tickets from Dublin to Chicago were found on Delta ($615) and British Airways ($617).

Aer Lingus connects Dublin to Chicago 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 Dublin and Chicago historically see delays in approximately 13% of cases, with the average delay over the past year being 150 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, Wednesday 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 8% of their flights encountering any delays.

Reykjavik (KEF) is the top choice – 38% of KAYAK users who clicked on 1-stop flights from Dublin to Chicago picked an itinerary connecting there.

Flights via Copenhagen (CPH) offer the most affordable fares, with an average round-trip price of $608.

Consider flying via London (LHR) for the shortest journey. The average one-way travel time for flights connecting there is 12h 10m.

If you prefer a quick connection, Reykjavik (KEF) often has the shortest layovers from Dublin to Chicago, with an average of 2h 08m.

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 4 nonstop 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 am and most flights take off in the morning. Each week, there are 28 flights and there are the same amount of flights each day (4).