AirHint found the following cheapest return flights from Cleveland (CLE) to London (LHR) in December 2025 (see full year).

Return flights

30 Dec - 07 Jan	British Airways
13 Dec - 09 Jan	Air Canada
15 Dec - 10 Jan	Air Canada
16 Dec - 10 Jan	Air France
11 Dec - 10 Jan	Air Canada
17 Dec - 10 Jan	Air Canada
29 Dec - 05 Jan	Air Canada
03 Dec - 05 Dec	Air Canada
26 Dec - 17 Jan	Aer Lingus
27 Dec - 17 Jan	Frontier Airlines
19 Dec - 26 Dec	Iberia
18 Dec - 26 Dec	British Airways
29 Dec - 04 Jan	Frontier Airlines
14 Dec - 20 Dec	Delta

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

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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Cheapest return flights from Cleveland to London in December from $685

Return flights