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

View HK$3,915 flight on Wed, 3 Dec 2025Opens in a new window
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Prices were available within the past 7 days and start at HK$3,915 for one-way flights and HK$6,785 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Sun, 26 Oct - Tue, 4 Nov
ORD
Chicago
LHR
London
HK$6,785 Return, found 3 days ago
HK$6,785
Return
found 3 days ago
Select Finnair flight, departing Sun, 26 Oct from Chicago to London, returning Tue, 4 Nov, priced at HK$6,785 found 3 days ago
Chicago to London route information
Origin airport
O'Hare Intl.
Destination airport
Heathrow
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, Delta, Finnair, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic
Popular airline
Delta
Distance
6307 km
*Available to Expedia members.