Cheapest return flights from London to Chicago in October from $537

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

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

Return flights

06 Oct - 20 Oct Icelandair
12 Oct - 26 Oct Scandinavian Airlines
16 Oct - 19 Oct Scandinavian Airlines
06 Oct - 27 Oct Icelandair
22 Oct - 31 Oct Scandinavian Airlines
31 Oct - 09 Nov Scandinavian Airlines
10 Oct - 18 Oct Scandinavian Airlines
10 Oct - 12 Oct Scandinavian Airlines
10 Oct - 27 Oct Scandinavian Airlines
10 Oct - 21 Oct Scandinavian Airlines
01 Oct - 08 Oct Icelandair
30 Oct - 03 Nov Scandinavian Airlines
29 Oct - 03 Nov Scandinavian Airlines
25 Oct - 01 Nov Scandinavian Airlines
31 Oct - 02 Nov Scandinavian Airlines
26 Oct - 01 Nov Scandinavian Airlines
29 Oct - 02 Nov Scandinavian Airlines
24 Oct - 02 Nov Scandinavian Airlines
24 Oct - 01 Nov Scandinavian Airlines
26 Oct - 08 Nov Scandinavian Airlines

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