Cheapest return flights from London to San Jose in September from 627€

AirHint found the following cheapest return flights from London (LON) to San Jose (SJO) in September 2026 (see full year).

Return flights

11 Sep - 18 Sep SWISS
01 Sep - 12 Sep SWISS
02 Sep - 18 Sep Air Canada
21 Sep - 30 Sep Air Canada
19 Sep - 26 Sep Air Canada
23 Sep - 05 Oct Air Canada
05 Sep - 19 Sep Air Canada
12 Sep - 26 Sep Air Canada
03 Sep - 24 Sep Avianca
02 Sep - 14 Sep Avianca
03 Sep - 11 Sep Avianca

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

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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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