Cheapest return flights from Chicago to London in December from 587€

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

Return flights

01 Dec - 16 Jan Scandinavian Airlines
03 Dec - 07 Dec Scandinavian Airlines
03 Dec - 06 Dec Scandinavian Airlines
01 Dec - 16 Jan British Airways direct
03 Dec - 06 Dec British Airways direct
03 Dec - 07 Dec British Airways direct
06 Dec - 07 Dec Iberia
29 Dec - 04 Jan Lufthansa
18 Dec - 30 Dec TAP
20 Dec - 09 Jan TAP
17 Dec - 14 Jan Scandinavian Airlines
20 Dec - 09 Jan British Airways direct
17 Dec - 14 Jan British Airways direct
29 Dec - 04 Jan British Airways direct
18 Dec - 30 Dec British Airways direct
06 Dec - 07 Dec Finnair direct

Also check the deals for one-way flights from Chicago to London in December.

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