Cheapest return flights from Chicago to London in October from 590€

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

Return flights

04 Oct - 03 Nov Scandinavian Airlines
15 Oct - 21 Oct Scandinavian Airlines
14 Oct - 23 Oct Scandinavian Airlines
17 Oct - 24 Oct Scandinavian Airlines
16 Oct - 24 Oct Scandinavian Airlines
16 Oct - 23 Oct Scandinavian Airlines
09 Oct - 17 Oct Scandinavian Airlines
08 Oct - 15 Oct Scandinavian Airlines
07 Oct - 13 Oct Aer Lingus
23 Oct - 01 Nov TAP
03 Oct - 13 Oct Aer Lingus
14 Oct - 23 Oct British Airways direct
23 Oct - 01 Nov British Airways direct
04 Oct - 03 Nov British Airways direct

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

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