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

Return flights

17 Nov - 25 Nov	Air France
18 Nov - 11 Dec	Delta
26 Nov - 03 Dec	Air France
07 Nov - 20 Nov	Virgin Atlantic
13 Nov - 20 Nov	Air France
16 Nov - 23 Nov	Delta
07 Nov - 14 Nov	Air France
06 Nov - 13 Nov	Delta
18 Nov - 24 Nov	Air France
09 Nov - 16 Nov	Delta
11 Nov - 16 Nov	Air France
02 Nov - 09 Nov	Delta
21 Nov - 13 Dec	Air France

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 444€

Return flights