Cheapest return flights from London to San Jose in September from 849€

Best time to book flights for London (STN) to San Jose (SJO) flights at AirHint

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

Return flights

20 Sep - 04 Oct Fly Play
11 Sep - 25 Sep Ryanair
16 Sep - 27 Sep Ryanair
02 Sep - 23 Sep Fly Play
06 Sep - 13 Sep Fly Play
13 Sep - 27 Sep Ryanair
09 Sep - 23 Sep Fly Play
04 Sep - 11 Sep Fly Play
12 Sep - 26 Sep Fly Play
22 Sep - 07 Oct Fly Play

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

Skyscanner

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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