Cheapest return flights from San Juan to Barcelona in December from 330€

AirHint found the following cheapest return flights from San Juan (SJU) to Barcelona (BCN) in December 2025 (see full year).

Return flights

31 Dec - 12 Jan Lufthansa
07 Dec - 15 Dec Lufthansa
12 Dec - 16 Dec Lufthansa
30 Dec - 15 Jan United
03 Dec - 10 Dec Lufthansa
11 Dec - 22 Dec United
01 Dec - 04 Dec Air France
25 Dec - 06 Jan Frontier Airlines
24 Dec - 06 Jan Spirit Airlines
15 Dec - 19 Dec jetBlue
01 Dec - 03 Dec Frontier Airlines
23 Dec - 03 Jan Frontier Airlines

Also check the deals for one-way flights from San Juan to Barcelona in December.

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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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