Cheapest one-way flights from Dallas to San Juan in January from 117€

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

One-Way flights

28 Jan Southwest Airlines
26 Jan Southwest Airlines
27 Jan Southwest Airlines
25 Jan Southwest Airlines
29 Jan Southwest Airlines
16 Jan Southwest Airlines
30 Jan Southwest Airlines
15 Jan Southwest Airlines
12 Jan Southwest Airlines
09 Jan Southwest Airlines

Also check the deals for return 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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