Cheapest one-way flights from Chicago to London in October from 145€

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

One-Way flights

22 Oct Frontier Airlines
15 Oct Frontier Airlines
12 Oct Spirit Airlines
02 Oct Spirit Airlines
06 Oct Spirit Airlines
16 Oct Spirit Airlines
14 Oct Spirit Airlines
09 Oct Spirit Airlines
30 Oct Spirit Airlines
29 Oct TAP

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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