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Cheapest one-way flights from Charlotte (CLT) to San Juan (SJU), December

10 dates in December, from $ 166. Book in one tap, or check whether to buy now or wait.

One-way Return

Dates, airline, and price
Dates	Airline	Price
12 Dec	Frontier Airlines
20 Dec	Frontier Airlines
20 Dec	Frontier Airlines Direct Flight

19 Dec	Frontier Airlines
11 Dec	American Airlines Direct Flight
19 Dec	Frontier Airlines Direct Flight
22 Dec	United
23 Dec	United
24 Dec	United
25 Dec	United

Cheapest deals for the full year

Deals for return flights from Charlotte to San Juan in December.

Book a cheap hotel in San Juan

Cheap car rent in Luis Munoz Marin Intl

Updated Oct 12, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Charlotte (CLT) to San Juan (SJU), December

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