£386 Find Cheap Aer Lingus Flights from London to Chicago

When to Book Flights with Aer Lingus from London to Chicago

• How far in advance should I book tickets for a flight with Aer Lingus from London to Chicago?

  Generally, when trying to get a below-average price for your ticket, try to book around 2 days before departure. For the cheapest possible price, our data suggests booking 0 days before departure.

• Is Aer Lingus the cheapest airline to fly with from London to Chicago?

  With an average price of £776 return, Aer Lingus is not the cheapest airline to fly from London to Chicago with. Instead, for the lowest price, our data suggests flying with Icelandair, where a return flight costs £638 on average.

• What is the cheapest Aer Lingus flight from London to Chicago?

  In the last 3 days, the lowest price for a flight with Aer Lingus from London to Chicago was £559 for a return flight and £626 for a one-way flight.

• Does Aer Lingus fly direct to Chicago from London?

  Yes, Aer Lingus does offer direct flights for the route, with around 13 flights per week.

• What’s the cheapest day of the week to fly from London to Chicago with Aer Lingus?

  On average, the cheapest day of the week to fly from London to Chicago with Aer Lingus is Tuesday, when prices are around £484. The most expensive day is generally Thursday, when the average price is around £554.

• What’s the cheapest month to fly from London to Chicago with Aer Lingus?

  The cheapest month for Aer Lingus flights to Chicago from London is generally March, where plane tickets cost £535 on average. If possible, try to avoid the most expensive months of July and August, when tickets cost £701 and £935 respectively.