Cheapest one-way flights from Chicago to London in October from $507

AirHint found the following cheapest one-way flights from Chicago (MDW) to London (LGW) in October 2026 (see full year).

One-Way flights

13 Oct Porter Airlines (Canada) Ltd
07 Oct Porter Airlines (Canada) Ltd
08 Oct Porter Airlines (Canada) Ltd
09 Oct Air Transat
20 Oct WestJet

Also check the deals for return flights from Chicago to London in October.

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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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