Search and book cheap flights from London Heathrow to Chicago with Netflights. Today alone, we've scanned 51,796 flights worldwide. There are 18 airlines offering flights in and out of Chicago, the most popular being Finnair.
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 2,178 flights every week to Chicago, and the flight from London Heathrow normally takes about 12 hrs 15 mins.
Prices currently start from £413. This is based on your search for flights from London Heathrow, but there are other airports nearby. Try adjusting your search to include surrounding departure airports, to see if you can find a better rate.
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