Cheapest return flights from London to San Jose in September from 710€

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

16 Sep - 14 Oct Ryanair
08 Sep - 22 Sep Ryanair
08 Sep - 06 Oct Ryanair
13 Sep - 22 Sep Fly Play
13 Sep - 21 Sep Fly Play
15 Sep - 14 Oct Ryanair
15 Sep - 13 Oct Ryanair
01 Sep - 22 Sep Ryanair
04 Sep - 18 Sep Ryanair
11 Sep - 25 Sep Ryanair
15 Sep - 30 Sep Ryanair
15 Sep - 21 Sep Ryanair
12 Sep - 28 Sep Ryanair
07 Sep - 23 Sep Ryanair
27 Sep - 11 Oct Fly Play
17 Sep - 17 Oct Ryanair
26 Sep - 05 Oct Ryanair
26 Sep - 03 Oct Ryanair
12 Sep - 25 Oct Ryanair

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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose