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

Return flights

04 Mar - 10 Mar	Avianca
07 Mar - 10 Mar	Avianca
09 Mar - 16 Mar	Avianca
09 Mar - 14 Mar	Avianca
23 Mar - 30 Mar	Avianca
11 Mar - 17 Mar	Copa
06 Mar - 11 Mar	Copa
06 Mar - 14 Mar	Copa
09 Mar - 15 Mar	Copa
01 Mar - 08 Mar	Copa
18 Mar - 07 Apr	Spirit Airlines
18 Mar - 06 Apr	Spirit Airlines
25 Mar - 10 Apr	Spirit Airlines
18 Mar - 08 Apr	Spirit Airlines
25 Mar - 11 Apr	Spirit Airlines
25 Mar - 08 Apr	Spirit Airlines
30 Mar - 10 Apr	Spirit Airlines
30 Mar - 11 Apr	Spirit Airlines
30 Mar - 08 Apr	Spirit Airlines
25 Mar - 07 Apr	Spirit Airlines

Also check the deals for one-way flights from San Jose to San Juan 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 San Juan in March from $183

Return flights