Direct flights available:
307 PER WEEK
Popular non-direct routes for this connection are Gatwick - Keflavik Intl - O'Hare Intl, Heathrow - Keflavik Intl - O'Hare Intl and Heathrow - F.Chopin - O'Hare Intl.
You can fly from London to Chicago indirect via Keflavik Intl, F.Chopin or Ataturk.
Direct flights available on