Cheapest return flights from Dallas to San Juan in January from $344

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

Return flights

22 Jan - 27 Jan Southwest Airlines
21 Jan - 26 Jan Southwest Airlines
16 Jan - 21 Jan Southwest Airlines
29 Jan - 02 Feb Southwest Airlines
10 Jan - 17 Jan Southwest Airlines
01 Jan - 09 Jan Delta
01 Jan - 08 Jan Southwest Airlines
02 Jan - 08 Jan Southwest Airlines
04 Jan - 07 Jan Southwest Airlines

Also check the deals for one-way flights from Dallas 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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