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Popular flights and flight offers from London to Chicago

LHR – ORD
London - Chicago
Thu 24 Apr 2025 – Sun 27 Apr 2025
From
£431
LHR – ORD
London - Chicago
Wed 23 Apr 2025 – Sun 27 Apr 2025
From
£431
LHR – ORD
London - Chicago
Fri 14 Mar 2025 – Mon 17 Mar 2025
From
£451
LHR – ORD
London - Chicago
Sun 2 Mar 2025 – Sun 9 Mar 2025
From
£451
LHR – ORD
London - Chicago
Thu 6 Mar 2025 – Sun 9 Mar 2025
From
£451
LHR – ORD
London - Chicago
Tue 11 Mar 2025 – Sun 16 Mar 2025
From
£451

Finnair flies from London to Chicago easily and with low prices. Finnair's fleet is one of the most modern in Europe, making the flight to Chicago an enjoyable experience.

With Finnair, you fly to Chicago on a fast route from Helsinki from the Helsinki Vantaa airport, where services and route connections are excellent. From Helsinki Vantaa, we fly directly to more than 15 major cities in Asia and more than 70 destinations in Europe. Go enjoy Chicago with our blue and white wings and book your London to Chicago flights today.

Our cheapest flights from London to Chicago

LHR – ORD
London - Chicago
Thu 24 Apr 2025 – Sun 27 Apr 2025
From
£431
Book now
LHR – ORD
London - Chicago
Wed 23 Apr 2025 – Sun 27 Apr 2025
From
£431
Book now
LHR – ORD
London - Chicago
Fri 14 Mar 2025 – Mon 17 Mar 2025
From
£451
Book now
LHR – ORD
London - Chicago
Sun 2 Mar 2025 – Sun 9 Mar 2025
From
£451
Book now

Popular routes and flight deals