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

One-Way flights

22 Nov	Porter Airlines (Canada) Ltd
06 Nov	Porter Airlines (Canada) Ltd
20 Nov	Porter Airlines (Canada) Ltd
17 Nov	Virgin Atlantic
24 Nov	Virgin Atlantic
30 Nov	KLM
19 Nov	Delta
23 Nov	Delta
28 Nov	Virgin Atlantic
01 Nov	KLM

Also check the deals for return 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 one-way flights from Chicago to London in November from 251€

One-Way flights