London to Chicago flights (LON–CHI) | Finnair

Our customer service is congested. We do our best to assist you as soon as possible. Thank you for your patience.

Manage your booking

Search and book London to Chicago flights

Your journey starts here

Popular flights and flight offers from London to Chicago

LHR – ORD

London - Chicago

Sun 31 Aug 2025 – Tue 9 Sep 2025

From

£461

Our cheapest flights from London to Chicago

LHR – ORD

London - Chicago

Sun 31 Aug 2025 – Tue 9 Sep 2025

From

£461

Popular routes and flight deals