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

Return flights

14 Nov - 16 Nov	Scandinavian Airlines
07 Nov - 10 Nov	Scandinavian Airlines
07 Nov - 09 Nov	Scandinavian Airlines
25 Nov - 02 Dec	Icelandair
03 Nov - 03 Dec	Icelandair
19 Nov - 13 Dec	Icelandair
23 Nov - 05 Dec	Icelandair
11 Nov - 06 Dec	Icelandair
16 Nov - 06 Dec	Icelandair
14 Nov - 06 Dec	Icelandair
24 Nov - 05 Dec	Icelandair
13 Nov - 06 Dec	Icelandair
15 Nov - 06 Dec	Icelandair
05 Nov - 10 Nov	Icelandair
06 Nov - 10 Nov	Icelandair
06 Nov - 11 Nov	Icelandair
07 Nov - 15 Nov	Icelandair
15 Nov - 23 Nov	Icelandair
07 Nov - 14 Nov	Icelandair
05 Nov - 12 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 $451

Return flights