KLM Cheap Flights from Chicago to London: KL CHI→LON

View HK$3,257 flight on Wed, 10 Sep 2025Opens in a new window

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Prices were available within the past 7 days and start at HK$3,257 for one-way flights and HK$6,126 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Wed, 30 Jul - Wed, 6 Aug
ORD
Chicago
LHR
London
HK$6,126 Return, found 3 days ago
HK$6,126
Return
found 3 days ago
Select KLM flight, departing Wed, 30 Jul from Chicago to London, returning Wed, 6 Aug, priced at HK$6,126 found 3 days ago
KLM
Wed, 30 Jul - Wed, 6 Aug
ORD
Chicago
LCY
London
HK$7,936 Return, found 3 days ago
HK$7,936
Return
found 3 days ago
Select KLM flight, departing Wed, 30 Jul from Chicago to London, returning Wed, 6 Aug, priced at HK$7,936 found 3 days ago
KLM
Fri, 21 Nov - Sun, 30 Nov
ORD
Chicago
LCY
London
HK$8,268 Return, found 6 days ago
HK$8,268
Return
found 6 days ago
Select KLM flight, departing Fri, 21 Nov from Chicago to London, returning Sun, 30 Nov, priced at HK$8,268 found 6 days ago
KLM
Wed, 30 Jul - Wed, 6 Aug
ORD
Chicago
LCY
London
HK$9,656 Return, found 3 days ago
HK$9,656
Return
found 3 days ago
Select KLM flight, departing Wed, 30 Jul from Chicago to London, returning Wed, 6 Aug, priced at HK$9,656 found 3 days ago
KLM
Wed, 30 Jul - Wed, 6 Aug
ORD
Chicago
LCY
London
HK$11,226 Return, found 3 days ago
HK$11,226
Return
found 3 days ago
Select KLM flight, departing Wed, 30 Jul from Chicago to London, returning Wed, 6 Aug, priced at HK$11,226 found 3 days ago
KLM
Sun, 6 Jul - Wed, 16 Jul
ORD
Chicago
LHR
London
HK$12,932 Return, found 1 day ago
HK$12,932
Return
found 1 day ago
Select KLM flight, departing Sun, 6 Jul from Chicago to London, returning Wed, 16 Jul, priced at HK$12,932 found 1 day ago
Chicago to London route information
Origin airport
O'Hare Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, United
Popular airline
Aer Lingus
Distance
6307 km
*Available to Expedia members.