We've gone through lots of different flights, to help you find the cheapest way to get from Chicago O'hare International Airport to Dublin. You can choose from six airlines. At the moment, 04 / Feb / 2025 is the cheapest date to travel, but scroll through the results to find the option that works best for you.
There are 24 flights from Chicago O'hare International Airport to or via Dublin every week. Out of the six available airlines, the most popular ones are Finnair, British Airways & Delta Air Lines. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.
Generally speaking, the flight from Chicago O'hare International Airport to Dublin takes around 10 hrs 45 mins. The fastest flight takes 7 hrs 20 mins to cover the 5900 km distance. You can view all flight times yourself in the results list.
You can also search by month, which will reveal the cheapest time of the week to fly.