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

Return flights

24 Mar - 04 Apr	SWISS
17 Mar - 28 Mar	Air Canada
20 Mar - 04 Apr	Brussels Airlines
03 Mar - 13 Mar	Air Canada
03 Mar - 10 Mar	Air Canada
05 Mar - 17 Mar	Air Canada
03 Mar - 14 Mar	Air Canada
03 Mar - 17 Mar	Air Canada
06 Mar - 15 Mar	Air Canada
12 Mar - 26 Mar	Air Canada
10 Mar - 14 Mar	Iberia
20 Mar - 03 Apr	Air Canada
14 Mar - 28 Mar	Brussels Airlines
24 Mar - 07 Apr	Iberia
21 Mar - 04 Apr	Brussels Airlines
21 Mar - 03 Apr	Brussels Airlines
22 Mar - 07 Apr	Lufthansa
25 Mar - 05 Apr	Air Canada
20 Mar - 05 Apr	Air Canada
31 Mar - 14 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 626€

Return flights