Which airports does British Airways flies between for London-Chicago?
For flights between London and Chicago, British Airways flies from the following airport routes: Heathrow (LHR) to O hare International Airport (ORD)
What do British Airways flights from London to Chicago cost?
One of British Airways cheapest prices for a London to Chicago flight we have right now is £ 304.
On average though, flights with British Airways cost £ 443.85 for the route London to Chicago, though it depends a lot on the season and how far in advance you book your tickets.