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

Return flights

04 Mar - 08 Mar	Avianca
09 Mar - 19 Mar	United
07 Mar - 01 Apr	Spirit Airlines
29 Mar - 07 Apr	United
02 Mar - 19 Mar	United
08 Mar - 01 Apr	Spirit Airlines
25 Mar - 10 Apr	United
01 Mar - 05 Mar	KLM
09 Mar - 03 Apr	KLM
29 Mar - 03 Apr	KLM
30 Mar - 03 Apr	KLM
07 Mar - 03 Apr	Spirit Airlines
05 Mar - 12 Mar	Air France
13 Mar - 15 Mar	Spirit Airlines
21 Mar - 06 Apr	KLM

Also check the deals for one-way flights from San Jose to Barcelona 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.

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Cheapest return flights from San Jose to Barcelona in March from $783

Return flights