Cheapest return flights from Kansas City to San Juan in January from $235

AirHint found the following cheapest return flights from Kansas City (MCI) to San Juan (SJU) in January 2026 (see full year).

Return flights

25 Jan - 29 Jan American Airlines
25 Jan - 28 Jan American Airlines
26 Jan - 29 Jan Southwest Airlines
21 Jan - 26 Jan American Airlines
19 Jan - 23 Jan American Airlines
30 Jan - 03 Feb American Airlines
21 Jan - 28 Jan Spirit Airlines
21 Jan - 03 Feb Spirit Airlines
18 Jan - 21 Jan American Airlines
11 Jan - 17 Jan Frontier Airlines
24 Jan - 28 Jan Spirit Airlines
26 Jan - 28 Jan Spirit Airlines
25 Jan - 03 Feb Spirit Airlines
24 Jan - 03 Feb Spirit Airlines
26 Jan - 03 Feb Spirit Airlines
21 Jan - 05 Feb Spirit Airlines
21 Jan - 09 Feb Spirit Airlines
26 Jan - 02 Feb Frontier Airlines
19 Jan - 03 Feb Spirit Airlines
30 Jan - 05 Feb Spirit Airlines

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

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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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