Finnair Cheap Flights from Chicago to London: AY CHI→LON

View HK$3,849 flight on Wed, 10 Sept 2025Opens in a new window
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Prices were available within the past 7 days and start at HK$3,849 for one-way flights and HK$5,721 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Tue, 5 May - Tue, 19 May
ORD
Chicago
LHR
London
HK$5,721 Return, found 1 day ago
HK$5,721
Return
found 1 day ago
Select Finnair flight, departing Tue, 5 May from Chicago to London, returning Tue, 19 May, priced at HK$5,721 found 1 day ago
Chicago to London route information
Origin airport
O'Hare Intl.
Destination airport
Heathrow
Distance
6307 km
*Available to Expedia members.