Cheapest return flights from London to San Jose in March from 575€

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

Return flights

08 Mar - 23 Mar Finnair
16 Mar - 25 Mar Finnair
17 Mar - 26 Mar Finnair
06 Mar - 20 Mar Finnair
02 Mar - 23 Mar Finnair
02 Mar - 16 Mar Finnair
01 Mar - 07 Mar Finnair
01 Mar - 10 Mar Finnair
12 Mar - 26 Mar Finnair
08 Mar - 18 Mar Finnair
29 Mar - 18 Apr Finnair
28 Mar - 18 Apr Finnair
21 Mar - 02 Apr Finnair
30 Mar - 14 Apr Finnair
25 Mar - 08 Apr Finnair
17 Mar - 01 Apr Finnair
26 Mar - 07 Apr Finnair
30 Mar - 15 Apr Finnair
26 Mar - 13 Apr Finnair
17 Mar - 09 Apr American Airlines

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

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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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