Cheap Flights from London (LON) to Chicago (CHI)

View AU$684 flight on Thu, 6 Nov. 2025Opens in a new window

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Cheap Flights from London (LON) to Chicago (CHI)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Fri, 5 Dec. - Sun, 7 Dec.
LHR
London
ORD
Chicago
AU$751 Return, found 6 days ago
AU$751
Return
found 6 days ago
Select Aer Lingus flight, departing Fri, 5 Dec. from London to Chicago, returning Sun, 7 Dec., priced at AU$751 found 6 days ago
Icelandair
Fri, 12 Sep. - Mon, 15 Sep.
LGW
London
ORD
Chicago
AU$757 Return, found 1 day ago
AU$757
Return
found 1 day ago
Select Icelandair flight, departing Fri, 12 Sep. from London to Chicago, returning Mon, 15 Sep., priced at AU$757 found 1 day ago
Scandinavian Airlines
Mon, 20 Oct. - Sun, 26 Oct.
LHR
London
ORD
Chicago
AU$844 Return, found 2 days ago
AU$844
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Mon, 20 Oct. from London to Chicago, returning Sun, 26 Oct., priced at AU$844 found 2 days ago
American Airlines
Fri, 12 Sep. - Mon, 15 Sep.
LGW
London
ORD
Chicago
AU$896 Return, found 1 day ago
AU$896
Return
found 1 day ago
Select American Airlines flight, departing Fri, 12 Sep. from London to Chicago, returning Mon, 15 Sep., priced at AU$896 found 1 day ago
United
Sun, 7 Dec. - Wed, 10 Dec.
LHR
London
ORD
Chicago
AU$907 Return, found 2 days ago
AU$907
Return
found 2 days ago
Select United flight, departing Sun, 7 Dec. from London to Chicago, returning Wed, 10 Dec., priced at AU$907 found 2 days ago
Air Canada
Thu, 11 Sep. - Tue, 16 Sep.
LHR
London
ORD
Chicago
AU$917 Return, found 1 day ago
AU$917
Return
found 1 day ago
Select Air Canada flight, departing Thu, 11 Sep. from London to Chicago, returning Tue, 16 Sep., priced at AU$917 found 1 day ago
Virgin Atlantic
Sun, 7 Dec. - Wed, 10 Dec.
LHR
London
ORD
Chicago
AU$922 Return, found 2 days ago
AU$922
Return
found 2 days ago
Select Virgin Atlantic flight, departing Sun, 7 Dec. from London to Chicago, returning Wed, 10 Dec., priced at AU$922 found 2 days ago
Delta
Sun, 7 Dec. - Wed, 10 Dec.
LHR
London
ORD
Chicago
AU$922 Return, found 2 days ago
AU$922
Return
found 2 days ago
Select Delta flight, departing Sun, 7 Dec. from London to Chicago, returning Wed, 10 Dec., priced at AU$922 found 2 days ago
Austrian Airlines
Fri, 12 Sep. - Mon, 15 Sep.
LHR
London
ORD
Chicago
AU$931 Return, found 1 day ago
AU$931
Return
found 1 day ago
Select Austrian Airlines flight, departing Fri, 12 Sep. from London to Chicago, returning Mon, 15 Sep., priced at AU$931 found 1 day ago
Lufthansa
Fri, 5 Dec. - Sun, 7 Dec.
LHR
London
ORD
Chicago
AU$932 Return, found 6 days ago
AU$932
Return
found 6 days ago
Select Lufthansa flight, departing Fri, 5 Dec. from London to Chicago, returning Sun, 7 Dec., priced at AU$932 found 6 days ago

Find the cheapest month to fly from London (LON) to Chicago (CHI)

February is typically the cheapest month to fly

From AU$661 - AU$974 per traveller.

Graph displaying average flight prices per month

Flight from London to Chicago route information
Origin airport
Heathrow
Destination airport
O'Hare Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Return price
AU$750
Distance
6307 km

LON to CHI Flights

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Chicago Flight Deals

Chicago

London to O'Hare Intl.
AU$750.33

Milwaukee

Madison

London Airports

London

Heathrow to Chicago
AU$750.33
Gatwick to Chicago
AU$756.74
*Available to Expedia members.