Cheapest one-way flights from Pittsburgh to San Juan in December from 72€

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

One-Way flights

04 Dec Frontier Airlines
01 Dec Spirit Airlines
13 Dec Spirit Airlines
20 Dec Allegiant Air
07 Dec Spirit Airlines
22 Dec Allegiant Air
29 Dec Spirit Airlines
24 Dec Spirit Airlines
25 Dec Spirit Airlines
27 Dec Spirit Airlines

Also check the deals for return flights from Pittsburgh to San Juan 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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