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