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

Return flights

11 Nov - 25 Nov	Virgin Atlantic
02 Nov - 10 Nov	Virgin Atlantic
20 Nov - 25 Nov	Delta
10 Nov - 14 Nov	Delta
26 Nov - 30 Nov	Delta
24 Nov - 30 Nov	Porter Airlines (Canada) Ltd
26 Nov - 01 Dec	Porter Airlines (Canada) Ltd

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 459€

Return flights