Cheapest return ORD–LHR flights, October

AirHint found the following cheapest return flights from Chicago (ORD) to London (LHR) in October 2026 (see full year).

Return flights

26 Oct - 04 Nov Air Canada
14 Oct - 23 Oct Air Canada
10 Oct - 22 Oct TAP
10 Oct - 21 Oct TAP
01 Oct - 10 Oct TAP
01 Oct - 07 Oct TAP
24 Oct - 03 Nov TAP
03 Oct - 11 Oct TAP
21 Oct - 30 Oct TAP
05 Oct - 12 Oct Air Canada
26 Oct - 05 Nov Scandinavian Airlines
27 Oct - 05 Nov Scandinavian Airlines
05 Oct - 20 Oct Scandinavian Airlines
06 Oct - 20 Oct Scandinavian Airlines
27 Oct - 05 Nov Finnair direct
26 Oct - 05 Nov Finnair direct
24 Oct - 03 Nov British Airways direct
26 Oct - 04 Nov British Airways direct

Also check the deals for one-way 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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