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

Return flights

18 Nov - 22 Nov	Icelandair
11 Nov - 16 Nov	Icelandair
06 Nov - 14 Nov	Icelandair
07 Nov - 09 Nov	Icelandair
06 Nov - 11 Nov	Icelandair
10 Nov - 14 Nov	Icelandair
11 Nov - 25 Nov	Icelandair
23 Nov - 02 Dec	Icelandair
26 Nov - 01 Dec	Icelandair
02 Nov - 10 Nov	Spirit Airlines
20 Nov - 25 Nov	Icelandair
24 Nov - 30 Nov	Icelandair
22 Nov - 01 Dec	Icelandair
21 Nov - 01 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 412€

Return flights