AirHint found the following cheapest return flights from San Jose (SJC) to London (LGW) in July 2025 (see full year).

Return flights

30 Jul - 27 Aug	ITA Airways
29 Jul - 12 Aug	ITA Airways
31 Jul - 12 Aug	ITA Airways
15 Jul - 22 Jul	ITA Airways
15 Jul - 21 Jul	ITA Airways
14 Jul - 21 Jul	ITA Airways
27 Jul - 11 Aug	Alaska Airlines
07 Jul - 22 Jul	ITA Airways
07 Jul - 21 Jul	ITA Airways
08 Jul - 22 Jul	ITA Airways
09 Jul - 22 Jul	ITA Airways
08 Jul - 16 Jul	ITA Airways
30 Jul - 14 Aug	ITA Airways
12 Jul - 22 Jul	ITA Airways
12 Jul - 21 Jul	ITA Airways
30 Jul - 15 Aug	ITA Airways
16 Jul - 13 Aug	ITA Airways
31 Jul - 14 Aug	ITA Airways
07 Jul - 15 Aug	ITA Airways
15 Jul - 15 Aug	ITA Airways

Also check the deals for one-way flights from San Jose to London in July.

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 San Jose to London in July from $643

Return flights