AirHint found the following cheapest one-way flights from London (LCY) to San Jose (SJO) in April 2026 (see full year).
One-Way flights
| 28 Apr | SWISS | ||
| 05 Apr | KLM | ||
| 08 Apr | KLM | ||
| 11 Apr | KLM | ||
| 23 Apr | KLM | ||
| 07 Apr | SWISS | ||
| 19 Apr | SWISS | ||
| 03 Apr | Lufthansa | ||
| 04 Apr | KLM |
Also check the deals for return flights from London to San Jose in April.
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