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

Return flights

18 Nov - 24 Nov	Icelandair
17 Nov - 24 Nov	Icelandair
05 Nov - 10 Nov	Icelandair
19 Nov - 24 Nov	Icelandair
26 Nov - 01 Dec	Icelandair
18 Nov - 25 Nov	Icelandair
16 Nov - 22 Nov	Icelandair
14 Nov - 24 Nov	Icelandair
20 Nov - 24 Nov	Icelandair
16 Nov - 23 Nov	Icelandair
09 Nov - 19 Nov	Icelandair
14 Nov - 06 Dec	Icelandair
26 Nov - 03 Dec	Icelandair
10 Nov - 06 Dec	Icelandair
16 Nov - 06 Dec	Icelandair
28 Nov - 05 Dec	Icelandair
24 Nov - 07 Dec	Icelandair
30 Nov - 12 Dec	Icelandair
26 Nov - 02 Dec	Aer Lingus
25 Nov - 03 Dec	Air Canada

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 $448

Return flights