Cheapest return flights from Chicago to London in October from $604

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

Return flights

14 Oct - 20 Oct SWISS
06 Oct - 13 Oct SWISS
07 Oct - 21 Oct SWISS
15 Oct - 21 Oct Turkish Airlines
10 Oct - 17 Oct Turkish Airlines
01 Oct - 12 Oct SWISS
02 Oct - 05 Oct SWISS
15 Oct - 18 Oct SWISS
01 Oct - 22 Oct SWISS
03 Oct - 11 Nov Icelandair
24 Oct - 30 Oct Turkish Airlines

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

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