Cheap flights from Chicago to London

Bing travel utilizes over a billion airfares on a daily basis to bring you Price Predictors, and now we're using that data to uncover cheap flights from Chicago to London every day. Note that deals are compiled on yesterday's lowest airfares and can change often.

Featured flight deal from Chicago to London

• Chicago (ORD) to London (LHR)

  Save $301 off average low found today

  $867

  Fares rising

  View dates
  See more: Low fares from Chicago to London

Lowest fares from Chicago to London

Use our flexible travel graph to find the lowest airfare from Chicago to London. Currently the cheapest flight you can find in the next 30 days from Chicago to London departs on 05/28/2012 and returns 06/04/2012 with a low fare of $1145.

View complete flexible search for ORD to LHR (modify trip length and dates)