Cheapest return flights from Chicago to London in October from $608

AirHint found the following cheapest return flights from Chicago (ORD) to London (LHR) in October 2026 (see full year).

Return flights

28 Oct - 01 Nov Scandinavian Airlines
13 Oct - 20 Oct Lufthansa
15 Oct - 18 Oct Scandinavian Airlines
04 Oct - 11 Oct Scandinavian Airlines
13 Oct - 20 Oct British Airways direct
01 Oct - 22 Oct Aer Lingus
23 Oct - 30 Oct Aer Lingus
04 Oct - 10 Oct Iberia
01 Oct - 22 Oct Iberia direct
12 Oct - 14 Oct United
23 Oct - 30 Oct British Airways direct
28 Oct - 01 Nov British Airways direct
01 Oct - 01 Nov British Airways
01 Oct - 01 Nov Finnair direct

Also check the deals for one-way flights from Chicago to London in October.

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