Cheapest return flights from London to San Jose in September from $787

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

Return flights

01 Sep - 31 Oct SWISS
15 Sep - 23 Sep Norse Atlantic Airways (UK)
03 Sep - 18 Sep Air Canada
01 Sep - 24 Sep Norse Atlantic Airways (UK)
16 Sep - 29 Sep Air Canada
24 Sep - 27 Sep Air Canada
16 Sep - 30 Sep Air Canada
30 Sep - 16 Oct Air Canada
13 Sep - 26 Sep Air Canada
22 Sep - 29 Sep Air Canada
04 Sep - 16 Sep Avianca
03 Sep - 16 Sep Avianca
23 Sep - 07 Oct Air Canada
19 Sep - 03 Oct Air Canada
26 Sep - 02 Oct Air Canada
18 Sep - 02 Oct easyJet

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

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