London to Chicago flights (LON–CHI) | Finnair

The security situation in the Middle East impacts our Doha and Dubai flights.

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Popular flights and flight offers from London to Chicago

LHR – ORD

London - Chicago

Wed 6 May 2026 – Thu 14 May 2026

From

£555

Our cheapest flights from London to Chicago

LHR – ORD

London - Chicago

Wed 6 May 2026 – Thu 14 May 2026

From

£555

Popular routes and flight deals