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

Return flights

03 Mar - 16 Mar	SWISS
23 Mar - 06 Apr	SWISS
22 Mar - 06 Apr	SWISS
03 Mar - 10 Mar	SWISS
02 Mar - 18 Mar	SWISS
02 Mar - 23 Mar	SWISS
19 Mar - 31 Mar	SWISS
03 Mar - 19 Mar	SWISS
30 Mar - 13 Apr	Lufthansa
03 Mar - 14 Mar	SWISS
17 Mar - 24 Mar	SWISS
19 Mar - 24 Mar	SWISS
26 Mar - 06 Apr	SWISS
26 Mar - 13 Apr	SWISS
11 Mar - 01 Apr	Lufthansa
11 Mar - 25 Mar	Lufthansa
25 Mar - 08 Apr	Lufthansa
27 Mar - 06 Apr	SWISS
31 Mar - 08 Apr	SWISS
31 Mar - 16 Apr	Lufthansa

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

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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Cheapest return flights from London to San Jose in March from 569€

Return flights