Cheapest one-way flights from Chicago to London in October from 247€

Best time to book flights for Chicago (ORD) to London (LHR) flights at AirHint

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

One-Way flights

14 Oct Icelandair
07 Oct Icelandair
19 Oct Icelandair
18 Oct Icelandair
04 Oct Icelandair
09 Oct Icelandair
14 Oct Iberia direct
19 Oct British Airways direct
07 Oct American Airlines direct
18 Oct Iberia direct

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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