Cheapest return flights from Salt Lake City to San Juan in January from $281

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

Return flights

23 Jan - 27 Jan Frontier Airlines
08 Jan - 29 Jan Frontier Airlines
08 Jan - 05 Feb Frontier Airlines
08 Jan - 17 Jan Frontier Airlines
03 Jan - 11 Jan Frontier Airlines
02 Jan - 11 Jan Frontier Airlines
12 Jan - 20 Jan Southwest Airlines
07 Jan - 13 Jan Southwest Airlines
09 Jan - 18 Jan Southwest Airlines

Also check the deals for one-way flights from Salt Lake 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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