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

Return flights

21 Mar - 29 Apr	Avianca
31 Mar - 14 Apr	Avianca
04 Mar - 10 Mar	Iberia
03 Mar - 11 Mar	Iberia	direct
02 Mar - 11 Mar	Iberia	direct
03 Mar - 10 Mar	Iberia
02 Mar - 10 Mar	British Airways
05 Mar - 09 Mar	British Airways
04 Mar - 11 Mar	Iberia	direct
02 Mar - 09 Mar	British Airways	direct
02 Mar - 12 Mar	British Airways	direct
03 Mar - 12 Mar	Iberia	direct
23 Mar - 02 Apr	Avianca
25 Mar - 07 Apr	Avianca
24 Mar - 02 Apr	Avianca
31 Mar - 01 Apr	Avianca
16 Mar - 02 Apr	Avianca
25 Mar - 01 Apr	Avianca
21 Mar - 05 Apr	Avianca
01 Mar - 01 Apr	easyJet

Also check the deals for one-way flights from Madrid 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 Madrid to San Juan in March from 486€

Return flights