Cheapest return flights from Chicago to London in October from 423€

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

Return flights

01 Oct - 06 Oct Icelandair
18 Oct - 23 Oct Icelandair
08 Oct - 14 Oct Icelandair
03 Oct - 07 Oct Icelandair
14 Oct - 23 Oct Icelandair
13 Oct - 23 Oct Icelandair
12 Oct - 19 Oct SWISS
13 Oct - 23 Oct British Airways direct
08 Oct - 14 Oct American Airlines direct
12 Oct - 19 Oct British Airways direct

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

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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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