Cheapest return flights from Chicago to London in October from 407€

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

Return flights

20 Oct - 02 Nov Icelandair
07 Oct - 13 Oct Icelandair
05 Oct - 16 Oct Air Canada
13 Oct - 28 Oct Air Canada
15 Oct - 27 Oct Icelandair
31 Oct - 09 Nov Icelandair
17 Oct - 20 Oct Icelandair
09 Oct - 13 Oct Icelandair
15 Oct - 22 Oct SWISS
14 Oct - 21 Oct Lufthansa
23 Oct - 27 Oct Scandinavian Airlines
20 Oct - 27 Oct Scandinavian Airlines
30 Oct - 03 Nov Scandinavian Airlines
20 Oct - 15 Nov Scandinavian Airlines
21 Oct - 15 Nov Scandinavian Airlines
27 Oct - 22 Nov Scandinavian Airlines
29 Oct - 05 Nov Scandinavian Airlines
11 Oct - 01 Nov Icelandair
04 Oct - 08 Nov Icelandair
28 Oct - 04 Nov Icelandair

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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