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

Return flights

02 Dec - 09 Dec	Delta
12 Dec - 16 Dec	KLM
06 Dec - 13 Dec	British Airways
08 Dec - 15 Dec	British Airways
04 Dec - 11 Dec	British Airways
16 Dec - 23 Dec	British Airways
16 Dec - 29 Jan	Iberia
21 Dec - 10 Jan	Air Canada
18 Dec - 25 Dec	British Airways
30 Dec - 06 Jan	British Airways
12 Dec - 19 Dec	British Airways
14 Dec - 21 Dec	British Airways
10 Dec - 03 Jan	Air Canada
21 Dec - 28 Dec	Frontier Airlines
28 Dec - 04 Jan	British Airways

Also check the deals for one-way flights from Oklahoma City 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 Oklahoma City to London in December from $591

Return flights