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

Return flights

10 Dec - 24 Dec	Icelandair
03 Dec - 09 Dec	Icelandair
04 Dec - 10 Dec	Icelandair
02 Dec - 09 Dec	Icelandair
07 Dec - 11 Dec	Icelandair
01 Dec - 10 Dec	Icelandair
29 Dec - 11 Jan	Icelandair
05 Dec - 07 Dec	Icelandair
04 Dec - 07 Dec	Icelandair
01 Dec - 05 Dec	Icelandair
11 Dec - 18 Dec	Hawaiian Airlines
23 Dec - 07 Jan	Alaska Airlines
23 Dec - 11 Jan	Icelandair
12 Dec - 16 Jan	Icelandair
20 Dec - 20 Jan	Alaska Airlines
30 Dec - 09 Jan	Icelandair
30 Dec - 08 Jan	Icelandair
18 Dec - 12 Jan	Icelandair
23 Dec - 09 Jan	Icelandair
12 Dec - 09 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 $882

Return flights