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Contribute to sustainable aviation fuel
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Sustainability work at Finnair
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Your journey starts here
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From
Chicago
(All)
United States of America.
To
London
(All)
United Kingdom.
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Popular flights and flight offers from Chicago to London
ORD – LHR
Chicago - London
Tue 17 Nov 2026 – Tue 24 Nov 2026
From
926 USD
Book now
Our cheapest flights from Chicago to London
Date
Price (low to high)
Price (high to low)
ORD – LHR
Chicago - London
Tue 17 Nov 2026 – Tue 24 Nov 2026
From
926 USD
Book now
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