Which airports does Aer Lingus fly between London and Chicago?
For flights between London and Chicago, Aer Lingus operates the following airport routes:
For flights between London and Chicago, Aer Lingus operates from the following airport routes: Heathrow (LHR) to O hare International Airport (ORD)
What do Aer Lingus flights from London to Chicago cost?
One of Aer Lingus cheapest prices for a London to Chicago flight we have right now is $739.
On average though, flights with Aer Lingus cost $1151.30 for the route London to Chicago, but it mostly depends on the season and how far in advance you book your tickets.