Your flight from Londonderry to Chicago should take about 15 hrs 20 mins. We've gone through all 25 of the weekly flights to or via Chicago, operated by four airlines, to help you compare flight prices and times.
Or, if you're fairly flexible on dates, try to get a last minute-deal by regularly checking the Netflights website.
If you're not sure who to fly with from Londonderry, you might like to know that KLM is the most popular airline for this route.
But if you can't find one which is right for you, try looking at flights to other cities in the USA to check out some other options.
