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

Return flights

16 Nov - 24 Nov	Icelandair
26 Nov - 02 Dec	Icelandair
23 Nov - 06 Dec	Icelandair
11 Nov - 06 Dec	Spirit Airlines
25 Nov - 06 Dec	Icelandair
11 Nov - 27 Nov	Icelandair
24 Nov - 06 Dec	Icelandair
29 Nov - 04 Dec	Icelandair
12 Nov - 06 Dec	Frontier Airlines
26 Nov - 07 Dec	Icelandair
29 Nov - 06 Dec	Icelandair
17 Nov - 24 Nov	Icelandair
10 Nov - 06 Dec	Frontier Airlines
12 Nov - 20 Nov	TAP
07 Nov - 14 Nov	Icelandair
06 Nov - 13 Nov	Spirit Airlines
10 Nov - 14 Nov	Icelandair
15 Nov - 20 Nov	Icelandair
07 Nov - 12 Nov	Icelandair
19 Nov - 27 Nov	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 366€

Return flights