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

Return flights

04 Dec - 11 Dec	Delta
24 Dec - 17 Jan	Virgin Atlantic
03 Dec - 09 Dec	Icelandair
03 Dec - 08 Dec	Icelandair
10 Dec - 23 Dec	Icelandair
09 Dec - 16 Dec	Icelandair
03 Dec - 14 Dec	Icelandair
16 Dec - 10 Jan	Virgin Atlantic
01 Dec - 08 Dec	Alaska Airlines
05 Dec - 09 Dec	Icelandair
05 Dec - 10 Dec	Icelandair
06 Dec - 10 Dec	Icelandair
31 Dec - 12 Jan	Icelandair
31 Dec - 11 Jan	Icelandair
31 Dec - 24 Jan	Icelandair
25 Dec - 17 Jan	Icelandair
30 Dec - 24 Jan	Icelandair
29 Dec - 10 Jan	Icelandair
24 Dec - 10 Jan	Icelandair
28 Dec - 17 Jan	Icelandair

Also check the deals for one-way flights from Oakland 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 Oakland to London in December from $651

Return flights