Search and book cheap flights from London Heathrow to Chicago with Netflights. Today alone, we've scanned 19,352 flights worldwide. There are 186 airlines offering flights in and out of Chicago, the most popular being United Airlines.
Normally, Chicago O'hare International Airport is the cheapest airport to fly into Chicago. This isn’t necessarily the case for your chosen dates, but it’s worth bearing in mind. There are 5,809 flights every week to Chicago, and the flight from London Heathrow normally takes about 12 hrs 35 mins.
Prices currently start from £276. This is based on your search for flights to Chicago but Chicago has two airports to choose from. Try adjusting your search to include the other airports, to see if you can find a better rate.
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