AirHint found the following cheapest one-way flights from London (LHR) to San Jose (SJO) in December 2025 (see full year).
One-Way flights
| 10 Dec | Vueling Airlines | ||
| 11 Dec | jetBlue | ||
| 06 Dec | Aer Lingus | ||
| 01 Dec | Vueling Airlines | ||
| 04 Dec | WestJet | ||
| 12 Dec | TAP | ||
| 30 Dec | Virgin Atlantic | ||
| 31 Dec | Aer Lingus | ||
| 13 Dec | British Airways | ||
| 17 Dec | Aer Lingus |
Also check the deals for return flights from London to San Jose in December.
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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