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

Return flights

14 Nov - 21 Nov	Icelandair
17 Nov - 27 Nov	Icelandair
26 Nov - 11 Dec	Icelandair
12 Nov - 18 Nov	Icelandair
27 Nov - 05 Dec	Icelandair
26 Nov - 06 Dec	Icelandair
14 Nov - 16 Nov	Icelandair
24 Nov - 30 Nov	Icelandair
25 Nov - 30 Nov	Icelandair
13 Nov - 17 Nov	Icelandair
20 Nov - 01 Dec	Icelandair
22 Nov - 30 Nov	Icelandair
20 Nov - 29 Nov	Icelandair
17 Nov - 15 Dec	Icelandair
01 Nov - 15 Nov	Icelandair
21 Nov - 06 Dec	Icelandair
21 Nov - 01 Dec	Icelandair
26 Nov - 10 Dec	SWISS
18 Nov - 02 Dec	SWISS
25 Nov - 09 Dec	SWISS

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

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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Cheapest return flights from Chicago to London in November from 415€

Return flights