Cheapest return flights from Kansas City to San Juan in December from $393

Best time to book flights for Kansas City (MCI) to San Juan (SJU) flights at AirHint

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

Return flights

04 Dec - 08 Dec American Airlines
06 Dec - 18 Dec United
03 Dec - 15 Dec United

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

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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