Cheapest one-way flights from Chicago to London in October from 259€

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

One-Way flights

20 Oct Frontier Airlines
14 Oct Porter Airlines (Canada) Ltd
15 Oct Porter Airlines (Canada) Ltd
09 Oct Frontier Airlines
19 Oct Frontier Airlines
22 Oct Virgin Atlantic
06 Oct Virgin Atlantic
05 Oct KLM
29 Oct KLM
16 Oct Virgin Atlantic

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

Skyscanner

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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