Cheapest one-way flights from London (LHR) to San Jose (SJO), December

10 dates in December, from $ 594. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
8 Dec Icelandair
7 Dec Icelandair
5 Dec TAP
11 Dec TAP
6 Dec Iberia
12 Dec TAP
9 Dec Austrian Airlines
10 Dec TAP
4 Dec TAP
2 Dec TAP
Powered by

Cheapest deals for the full year

Deals for return flights from London to San Jose in December.

Book a cheap hotel in San Jose

Cheap car rent in Juan Santamaria Intl

Updated Oct 13, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.