Cheapest return flights from Chicago to London in October from 582€

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

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

Return flights

18 Oct - 26 Oct jetBlue
15 Oct - 22 Oct TAP
03 Oct - 14 Oct Icelandair
15 Oct - 22 Oct Finnair direct
31 Oct - 08 Nov Scandinavian Airlines
11 Oct - 18 Oct TAP
16 Oct - 25 Oct TAP
17 Oct - 28 Oct United
09 Oct - 16 Oct United
03 Oct - 14 Oct Finnair direct
05 Oct - 19 Oct Aer Lingus
31 Oct - 08 Nov Finnair direct
30 Oct - 01 Nov Turkish Airlines
30 Oct - 01 Nov Finnair direct

Also check the deals for one-way 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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