Cheapest return flights from Charlotte to San Jose in September from $385

AirHint found the following cheapest return flights from Charlotte (CLT) to San Jose (SJO) in September 2025 (see full year).

Return flights

26 Sep - 29 Sep Frontier Airlines
22 Sep - 28 Sep Frontier Airlines

Also check the deals for one-way flights from Charlotte to San Jose in September.

Skyscanner

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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