Your flight from Londonderry to Chicago should take about 16 hrs 40 mins. We've gone through all 15 of the weekly flights to or via Chicago, operated by two airlines, to help you compare flight prices and times. At the moment, the cheapest flight is £1,331.
Or, if you're fairly flexible on dates, try to get a last minute-deal by regularly checking the Netflights website.
Chicago actually has one airports – but Chicago O'hare International Airport is normally the cheapest one to fly into. 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.
