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
23 Nov - 04 Dec	Icelandair
24 Nov - 02 Dec	Aer Lingus
12 Nov - 06 Dec	Icelandair
28 Nov - 05 Dec	Icelandair
11 Nov - 06 Dec	Icelandair
12 Nov - 23 Nov	Icelandair
15 Nov - 20 Nov	Icelandair
10 Nov - 14 Nov	Icelandair
09 Nov - 19 Nov	Icelandair
12 Nov - 20 Nov	Icelandair
17 Nov - 24 Nov	Icelandair
16 Nov - 23 Nov	Icelandair
16 Nov - 20 Nov	Icelandair
10 Nov - 24 Nov	Icelandair
30 Nov - 05 Dec	Icelandair
14 Nov - 06 Dec	Icelandair
13 Nov - 06 Dec	Icelandair
15 Nov - 06 Dec	Icelandair
10 Nov - 04 Dec	Icelandair

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 $450

Return flights