Cheapest return flights from San Jose to London in September from $819

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

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

Return flights

27 Sep - 08 Oct Volaris Costa Rica
21 Sep - 27 Sep Volaris Costa Rica
14 Sep - 22 Sep Alaska Airlines
26 Sep - 06 Oct Iberia
17 Sep - 30 Sep Iberia
17 Sep - 27 Sep Avianca
14 Sep - 30 Sep Iberia
15 Sep - 30 Sep Iberia
08 Sep - 07 Oct Iberia

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