Cheapest return flights from London to San Jose in September from $616

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

Return flights

21 Sep - 28 Sep Norse Atlantic Airways (UK)
22 Sep - 29 Sep Norse Atlantic Airways (UK)
22 Sep - 27 Sep Norse Atlantic Airways (UK)
26 Sep - 03 Oct Norse Atlantic Airways (UK)
29 Sep - 11 Oct Norse Atlantic Airways (UK)
26 Sep - 01 Oct Norse Atlantic Airways (UK)
19 Sep - 04 Oct Norse Atlantic Airways (UK)
26 Sep - 11 Oct Norse Atlantic Airways (UK)
27 Sep - 11 Oct Norse Atlantic Airways (UK)
20 Sep - 27 Sep Norse Atlantic Airways (UK)
22 Sep - 30 Sep Norse Atlantic Airways (UK)
28 Sep - 04 Oct Norse Atlantic Airways (UK)
28 Sep - 13 Oct Norse Atlantic Airways (UK)
28 Sep - 11 Oct Norse Atlantic Airways (UK)
24 Sep - 07 Oct Norse Atlantic Airways (UK)
17 Sep - 24 Sep Ryanair
22 Sep - 28 Sep Norse Atlantic Airways (UK)
19 Sep - 26 Sep Norse Atlantic Airways (UK)
20 Sep - 21 Sep Norse Atlantic Airways (UK)
23 Sep - 29 Sep 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.

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