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

Return flights

02 Nov - 21 Nov	TAP
07 Nov - 14 Nov	TAP
12 Nov - 18 Nov	TAP
12 Nov - 06 Dec	TAP
14 Nov - 06 Dec	TAP
16 Nov - 23 Nov	TAP
24 Nov - 27 Nov	Aer Lingus
14 Nov - 21 Nov	TAP
24 Nov - 26 Nov	Aer Lingus
17 Nov - 25 Nov	Aer Lingus
11 Nov - 19 Nov	Aer Lingus
18 Nov - 25 Nov	Aer Lingus
27 Nov - 06 Dec	Icelandair
26 Nov - 04 Dec	Aer Lingus
26 Nov - 03 Dec	Aer Lingus
28 Nov - 03 Dec	Icelandair
24 Nov - 02 Dec	Icelandair
30 Nov - 08 Dec	Air Canada
25 Nov - 04 Dec	Delta
25 Nov - 03 Dec	Delta

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 360€

Return flights