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

Return flights

16 Aug - 23 Aug	Spirit Airlines
26 Aug - 28 Aug	Spirit Airlines
19 Aug - 26 Aug	Icelandair
19 Aug - 25 Aug	Icelandair
09 Aug - 25 Aug	Icelandair
25 Aug - 02 Sep	Icelandair
09 Aug - 18 Aug	Icelandair
24 Aug - 02 Sep	Icelandair
09 Aug - 30 Aug	Icelandair
14 Aug - 25 Aug	Icelandair
02 Aug - 20 Aug	Icelandair
21 Aug - 29 Aug	Icelandair
28 Aug - 08 Sep	Icelandair
29 Aug - 02 Sep	Icelandair
29 Aug - 05 Sep	Icelandair
29 Aug - 04 Sep	Icelandair
29 Aug - 17 Sep	Icelandair
21 Aug - 06 Sep	Icelandair
29 Aug - 06 Sep	Icelandair

Also check the deals for one-way flights from Oakland to London in August.

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 August from $675

Return flights