Cheapest return flights from Chicago to London in October from $452

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

Return flights

18 Oct - 31 Oct Spirit Airlines
29 Oct - 22 Nov Icelandair
05 Oct - 14 Oct Icelandair
17 Oct - 03 Nov Icelandair
29 Oct - 05 Nov Icelandair
11 Oct - 22 Oct Spirit Airlines
20 Oct - 31 Oct Frontier Airlines
04 Oct - 08 Nov Spirit Airlines
08 Oct - 15 Oct Frontier Airlines
15 Oct - 08 Nov Frontier Airlines
15 Oct - 22 Oct Frontier Airlines
20 Oct - 22 Oct Spirit Airlines
01 Oct - 22 Oct Spirit Airlines
09 Oct - 15 Oct TAP
26 Oct - 15 Nov Spirit Airlines
21 Oct - 15 Nov Spirit Airlines
24 Oct - 31 Oct Spirit Airlines
14 Oct - 08 Nov Spirit Airlines
20 Oct - 15 Nov Spirit Airlines
28 Oct - 06 Nov Spirit Airlines

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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