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

Return flights

07 Dec - 10 Dec	Scandinavian Airlines
08 Dec - 16 Dec	Delta
10 Dec - 16 Dec	Delta
03 Dec - 10 Dec	British Airways	direct
02 Dec - 12 Dec	British Airways	direct
30 Dec - 09 Jan	Iberia
11 Dec - 16 Dec	Delta
12 Dec - 16 Dec	Delta
05 Dec - 09 Dec	Delta
10 Dec - 15 Dec	Delta
07 Dec - 14 Dec	British Airways
10 Dec - 07 Jan	Air Canada
31 Dec - 07 Jan	British Airways
23 Dec - 17 Jan	Virgin Atlantic
22 Dec - 07 Jan	Virgin Atlantic
23 Dec - 07 Jan	Delta
28 Dec - 07 Jan	Air France
21 Dec - 06 Jan	KLM
20 Dec - 09 Jan	Delta
08 Dec - 03 Jan	Allegiant Air

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 409€

Return flights