Cheapest return flights from Chicago to London in October from 475€

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

Return flights

20 Oct - 10 Nov Scandinavian Airlines
13 Oct - 27 Oct Finnair
13 Oct - 27 Oct Iberia direct
20 Oct - 10 Nov British Airways direct
15 Oct - 20 Oct Finnair
08 Oct - 14 Oct Aer Lingus
12 Oct - 19 Oct Finnair
15 Oct - 20 Oct British Airways direct
12 Oct - 19 Oct British Airways direct
24 Oct - 28 Oct Lufthansa

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

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