Cheapest return flights from Chicago to London in October from $559

Best time to book flights for Chicago (ORD) to London (LGW) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to London (LGW) in October 2025 (see full year).

Return flights

03 Oct - 18 Oct Icelandair
10 Oct - 16 Oct Icelandair
09 Oct - 14 Oct Icelandair
02 Oct - 05 Oct Icelandair
28 Oct - 02 Nov Icelandair
04 Oct - 08 Nov Icelandair
16 Oct - 21 Oct Icelandair
04 Oct - 11 Oct Icelandair
16 Oct - 25 Oct Icelandair
07 Oct - 16 Oct Icelandair
31 Oct - 05 Nov Icelandair
30 Oct - 03 Nov Icelandair

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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