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Popular flights and flight offers from London to Chicago

LHR – ORD
London - Chicago
Thu 8 May 2025 – Mon 12 May 2025
From
£449

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 8 May 2025 – Mon 12 May 2025
From
£449
Book now
LHR – ORD
London - Chicago
Sat 10 May 2025 – Wed 14 May 2025
From
£449
Book now
LHR – ORD
London - Chicago
Fri 9 May 2025 – Mon 12 May 2025
From
£449
Book now
LHR – ORD
London - Chicago
Tue 13 May 2025 – Thu 22 May 2025
From
£464
Book now

Popular routes and flight deals