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

Return flights

28 Jul - 10 Aug	Avianca
18 Jul - 10 Aug	Avianca
30 Jul - 09 Aug	Avianca
17 Jul - 21 Jul	Avianca
26 Jul - 05 Aug	Avianca
17 Jul - 03 Aug	Avianca
09 Jul - 20 Jul	Avianca
16 Jul - 21 Jul	Copa
07 Jul - 18 Jul	Avianca
03 Jul - 25 Jul	Avianca
05 Jul - 17 Jul	Avianca
18 Jul - 02 Aug	Avianca
06 Jul - 13 Jul	Avianca
03 Jul - 13 Jul	Avianca
05 Jul - 19 Jul	Avianca
29 Jul - 09 Aug	Avianca

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 710€

Return flights