We've scanned every flight from Dublin to Chicago to find the best deals. If you want a cheap flight, it's best to be as flexible as you can on dates. At the moment, the cheapest flight is on 13 / Feb / 2025. If that day's no good for you, try searching by month to see some alternative dates.
Make sure you use the search options above to search for flights to other airports in Chicago, not just Chicago O'hare International Airport. The more options you look at, the better your chance of finding a cheap deal. Just so you know, the flight typically takes 11 hrs 15 mins.
121 flights go to or via Chicago every week. Cheap flights Currently, the cheapest price available is £340. The most popular airline is Aer Lingus but do spend some time checking all your options – they aren’t necessarily the cheapest airline to book with.
During this peak season, hotel and holiday prices often increase too, so it's best to book early. Or you could keep your fingers crossed and hold out for a last-minute deal.
