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

Return flights

03 Dec - 10 Dec	Virgin Atlantic
03 Dec - 10 Dec	British Airways	direct
30 Dec - 13 Jan	British Airways
29 Dec - 13 Jan	Air Canada
29 Dec - 14 Jan	Air Canada
30 Dec - 12 Jan	Air Canada
05 Dec - 12 Dec	British Airways	direct
07 Dec - 14 Dec	British Airways
30 Dec - 24 Jan	British Airways
01 Dec - 08 Dec	Finnair
29 Dec - 24 Jan	Air Canada
31 Dec - 07 Jan	Delta
24 Dec - 17 Jan	British Airways
15 Dec - 10 Jan	KLM
23 Dec - 07 Jan	Delta
03 Dec - 27 Dec	British Airways
23 Dec - 30 Dec	KLM
24 Dec - 30 Dec	Air France
21 Dec - 31 Dec	KLM
19 Dec - 27 Dec	Delta

Also check the deals for one-way flights from Cincinnati 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 Cincinnati to London in December from 483€

Return flights