AirHint found the following cheapest one-way flights from New Orleans (MSY) to San Juan (SJU) in December 2025 (see full year).

One-Way flights

06 Dec	Spirit Airlines
09 Dec	Spirit Airlines
02 Dec	Spirit Airlines
04 Dec	Spirit Airlines
17 Dec	Spirit Airlines
30 Dec	Spirit Airlines
16 Dec	Spirit Airlines
28 Dec	Spirit Airlines
18 Dec	Frontier Airlines
24 Dec	Spirit Airlines

Also check the deals for return flights from New Orleans to San Juan in December.

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 one-way flights from New Orleans to San Juan in December from 62€

One-Way flights